
# EGOFOUND3R：基于世界坐标系的端到端自我中心手部重建，并附带逐点交互属性

付弘明 $^{1,2}$ 石景程 $^{2,3}$ 王文佳 $^{4}$ 左斌华 $^{2*}$ 赵波 $^{1*}$

 $^{1}$上海交通大学人工智能学院 $^{2}$QuicRobot

 $^{3}$罗格斯大学 $^{4}$香港大学

{fuhongming, bo.zhao}@sjtu.edu.cn mint-sjtu.github.io/EgoFound3R.io

## 摘要

第一人称视频已成为具身模型监督数据的主要来源，其价值在于恢复世界坐标系下的手部运动，但相机运动和手部遮挡会增大这一任务的难度。现有的重建流程通常将手部与场景估计分开处理，把交互属性交由针对特定任务的其他模型来估算，且每段视频需要调用多个模型，因此此前没有重建模型能够同时估算这些属性，而处理速度也成了大规模标注的实际限制因素。为此我们提出了EgoFound3R，这是一个统一的端到端模型，能够估算与场景共享度量尺度的世界坐标系下手部几何结构，还能预测逐点交互属性，包括可见性、接触状态和距离。该模型整合了三项设计：（i）结构化手部提示，可将预训练的几何先验迁移到世界坐标系下的手部重建中；（ii）显式的手部表征，用于解码手部几何结构与交互属性；（iii）参数共享的多速率设计，可降低推理成本。这些设计共同作用，可一次性预测手部几何结构与逐点属性。在OakInk-v2、TACO和HOI4D数据集上，EgoFound3R相比现有方法将平均关节位置误差（MPJPE）分别降低了43.2%、22.4%和11.6%，同时能在同一轮计算中预测逐点接触状态与距离，且吞吐量还提升了约$6\times$。

![Image](images/6ba46f68ba365de165e88874e09c0b3ed0d0bc55539cf7bf2dd79dbab936a810.jpg)

<div style="text-align: center;">Figure 1: EgoFound3R at a glance. End-to-end world-space hand reconstruction with point-wise interaction attributes; the radar panel summarizes Tab. 1.</div>

## 1 引言

第一人称视频记录了实际操作过程，是具身模型获取人类操作技能的主要渠道：灵巧操作、世界建模以及视觉-语言-动作策略等领域的研究，越来越多地依赖第一人称录像进行学习（Grauman等人，2022；Paliwal等人，2026；Li等人，2026b），这类录像的时长现已达到$10^5$至$10^6$小时之多（Zheng等人，2026；Li等人，2026a；Wu等人，2026；Ye等人，2026a）。尤其是因为手部、其所作用的物体以及佩戴者的动作都会出现在同一个视角中，且这类数据无需对环境进行额外设备部署即可大规模采集。世界坐标系下的手部几何结构是此类监督的主要目标：手部位置及其属性是相对于场景而非相机定义的，因此当佩戴者移动时它们仍保持固定。然而，恢复这种几何结构十分困难：相机的自身运动以及手-物遮挡会破坏单目视觉线索，且观测数据本身也无法提供绝对尺度。此外，当前数据集的规模使得处理速度成为首要限制因素：若一种方法每天只能处理一小部分录像，就会直接决定数据能提供的监督量多少。手部位置或交互状态的误差会进一步传递到训练好的模型中，且很难被察觉。

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由于手部、手部所作用的物体以及佩戴者的动作都出现在同一视野中，且这类数据无需对环境进行额外设备部署即可大规模采集。世界坐标系下的手部几何结构是此类监督学习的主要目标：手部位置及其属性是相对于场景而非相机来定义的，因此当佩戴者移动时它们会保持固定。然而，还原这种几何结构十分困难：相机的自身运动以及手与物体的遮挡会破坏单目视觉线索，而且观测数据本身也无法提供绝对尺度。此外，当前数据集的规模使得处理效率成为首要约束条件：若一种方法每天只能处理一小部分录制内容，那么数据所能提供的监督信息量就会受到限制。手部位置或交互状态的误差随后会传递到训练好的模型中，而这些误差很难被察觉。

近期，各种估计器在相机空间和世界空间中对手部姿态的估计精度都有所提升，但现有的处理流程将它们分属不同阶段进行处理，如图2(a)所示，导致这些约束条件仍未得到解决。具体而言，相机空间估计器用于恢复局部手部几何结构，而HaWoR（Zhang等人，2025年）和Dyn-HaMR（Yu等人，2025年）等世界空间方法则负责相机跟踪或运动补全，接触信息则由额外的预测器或事后优化步骤来处理。由于这些阶段对相同数据的表示方式各不相同，因此

![Image](images/ad7c71c73ee856c5f83b0fb8ce35b76b41b72a53ec38808cd9d1e89e5f45fa7c.jpg)

<div style="text-align: center;">Figure 2: Pipeline vs. end-to-end.</div>

几何先验无法共享，误差会在各个阶段以及长序列中不断累积。重复进行视觉编码还会降低处理效率；由于标注工作本身存在瓶颈，这一成本直接限制了可用于监督学习的录制数据量。诸如可见性、接触情况和距离等交互属性同样不被任何重建模型所估算；它们需由独立的预测器来处理，而这些预测器将手部视为已知条件，因此手部或其位置的误差会传递到这些属性中，而非被纠正。上述局限促使我们开发出一种单一模型：该模型能将手部定位在世界坐标中，在同一过程中预测手部几何结构及交互属性，且其处理效率能够满足大规模标注的需求。

这样的模型可以基于在大规模3D数据上预训练的几何骨干网络构建，这些网络已经能够编码用于区分被遮挡手部的场景上下文（Chen等人，2026b；Lyu等人，2026年）。因此，我们推出了EgoFound3R——一种端到端的模型，它能一次性估计世界空间中的手部几何结构，并预测逐点的可见性、接触情况和距离。该模型融合了三项设计：（i）结构化手部提示。通过结构化提示，将明确的手部表示与已冻结的VGGT-$\Omega$（Wang等人，2026b）骨干网络相结合。仅需训练提示、适配器和预测头，因此推理时仅需单目视频，无需深度信息、校准数据、物体模板或检测与裁剪步骤。（ii）显式的手部表示。几何结构与属性是从同一组点特征中解码得出的：模型会同时回归以根部为参照的关节和顶点位置，以及逐点的可见性、接触情况和距离；通过受观测约束的根部估计，可将手部定位在场景中。（iii）参数共享的多速率设计。手部观测需要密集覆盖，而全局场景聚合则无需如此；且全局聚合正是以往流程中的主要计算开销来源。因此，我们将其运行速率设为可配置的低值，从而在不复制参数的前提下减少冗余计算。

我们在OakInk-v2、TACO和HOI4D数据集上对EgoFound3R进行了评估，结果显示，与以往方法相比，该模型的平均关节位置误差（MPJPE）分别降低了43.2%、22.4%和11.6%；它能在同一过程中同步预测逐点的接触情况和距离以及几何结构，同时其处理效率约为此前最先进的手部重建方法WiLoR（Potamias等人，2025年）的6倍。

我们的贡献主要有三点：

- 我们提出了EgoFound3R，这是一种端到端的模型，能一次性重建世界空间中的手部并预测逐点的可见性、接触情况和距离，从而用单一模型取代了以往由手部估计、相机跟踪和接触预测组成的链式流程。

- 我们证明了交互属性可以在重建模型内部被预测：可见性、接触情况和距离可从与几何结构相同的特征中逐点解码得出，无需单独的任务专用模型。

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- 在注释尺度上，EgoFound3R的运行速度比WiLoR快$6 \times$，同时在所有三个数据集上都能提升世界空间中的手部精度，这得益于其共享参数的多速率设计。

## 2 相关工作

几何先验与统一重建。DUSt3R（Wang等人，2024年）、VGGT（Wang等人，2025a年）、$\pi^3$（Wang等人，2026c年）以及Depth Anything 3（Lin等人，2026年）建立了前馈式几何重建框架。VGGT-$\Omega$（Wang等人，2026b年）、CUT3R（Wang等人，2025b年）和LingBotMap（Chen等人，2026a年）则将这一方向拓展至可扩展或持久的场景表示。这些先验也被用于关节重建：Human3R（Chen等人，2026b年）引入了人体提示，ReViV（Lyu等人，2026年）则能同时预测手部关节、相机参数和场景深度。EgoFound3R在此基础上增加了交互属性，无需单独的检测或裁剪阶段，就能从共享的全图像特征中解码手部几何与属性。

具身模型所需的以自我为中心的数据。灵巧操作、世界建模、视觉-语言-动作以及世界-动作系统，如EgoScale（Zheng等人，2026年）、LingBot-VA（Li等人，2026a年）、LingBotVLA2（Wu等人，2026年）和DreamZero（Ye等人，2026a年），越来越多地基于以自我为中心的数据进行训练，此时标注效率便成为实际限制因素。EgoFound3R通过在一个模型中同时输出世界空间中的手部几何、场景上下文以及逐点可见性、接触情况和距离信息，来解决这一限制。

手部几何与运动。HaMeR（Pavlakos等人，2024年）和WiLoR（Potamias等人，2025年）用于估计相机空间中的手部几何；EgoForce（Millerdurai等人，2026年）则结合了前臂裁剪与校准后的几何信息以实现度量级定位。世界空间方法结合了手部与相机的估计结果，包括HaWoR（Zhang等人，2025年）和Dyn-HaMR（Yu等人，2025年）。生成式优化进一步约束了运动：PAD-Hand（Ismayilzada等人，2026年）将物理感知扩散模型应用于WiLoR的估计结果，StableHand（Zeng等人，2026年）则利用质量感知流匹配技术，并结合手部与相机条件进行优化。CMR（Chen等人，2021年）和MobRecon（Chen等人，2022年）等显式表示方法可直接回归手部网格坐标。EgoFound3R在此方向上更进一步，将逐点交互属性附加到同一显式表示中。

接触与交互数据。接触估计依赖于几何或视觉证据：Contact-tOpt（Grady等人，2021年）和S $^{2}$Contact（Tse等人，2022年）根据手-物体几何关系分类接触情况，InteractVLM（Dwivedi等人，2025年）迁移基于图像的交互线索，EgoPHI（Ilic等人，2026年）则能从额外几何信息中预测密集的接触点与作用力。除了分类之外，WHOLE（Ye等人，2026b年）和EgoGrasp（Fu等人，2026年）能够估计世界空间中的手-物体交互情况。在大规模标注方面，Do as I Do（Paliwal等人，2026年）基于HaWoR构建，EgoInfinity（Wang等人，2026a年）在静态相机场景下对WiLoR进行优化，Open-AoE（Li等人，2026b年）则能大规模提取监督信号。由于这些系统针对每个视频需要串联多个学习模型，每增加一个阶段都会增加成本。EgoFound3R用单个端到端模型取代了这一串联流程，该模型能预测手部几何与交互属性，且推理时无需物体网格。

## 3 方法

### 3.1 问题表述

给定一段单目自我中心RGB视频，我们的目标是恢复手在三维空间中的几何形状以及各点的交互属性，并将手定位到周围场景中。这一任务在三个方面具有挑战性：摄像头随佩戴者移动，因此摄像头运动与手部运动相互交织；手部尺寸较小且常被所握物体遮挡；单目视图无法提供绝对尺度。不过，这两者在时间上的表现并不相同：手部变化迅速，需要密集观测；而场景变化缓慢，却能为手部定位提供尺度信息和摄像头运动数据。如图3(1, 2)所示，EgoFound3R将两者整合到一个前馈模型中，并赋予它们不同的时间采样率，从而取代了以往流程中依次运行的检测器、手部模型、摄像头追踪器和接触预测器。我们用H表示手部观测时间点，$G \subseteq H$表示场景更新的稀疏锚点，R则表示所需的输出时间点。手部根节点平移、关节及表面信息

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![Image](images/0faf7a38c09556dc6a635e406c7415d27f975a9c3701446e97889587653dda67.jpg)

<div style="text-align: center;">Figure 3: Overview of EgoFound3R. Egocentric video input is encoded at the hand rate  H, and the built-in DINOv3 features of the frozen VGGT- $\Omega$ backbone provide the shared visual features, from which an adapter builds structured root, joint, and surface prompts. A bidirectional temporal Transformer links the two hands across  H, and pooling neighboring prompts yields global scene anchors  $G \subseteq H$ at an adjustable  H:G ratio. The prompted VGGT- $\Omega$ aggregator drives the explicit hand head that decodes hand geometry, visibility, contact, and distance, and the scene and metric heads that place the hands in world coordinates.</div>

会在每个$h \in H$时刻被预测出来，而锚点$g \in G$则携带用于定位手部的深度数据和摄像头运动信息；手部与摄像头的输出则在R所指定的每个时间点返回。

### 3.2 复用预训练几何信息的手部提示

第一个设计问题是手部模型应关注什么。手部裁剪图像中包含的信息极少，且这些信息极易因遮挡和摄像头运动而失真；而基于大规模三维数据预训练的几何骨干网络已经编码了能够辅助识别手部的周围场景信息。因此，我们保持这类骨干网络参数不变——即VGGT-Ω（Wang等人，2026b），其内置的DINOv3特征（Siméoni等人，2026）提供了共享的视觉表征——让手部通过学习得到的查询来读取这些信息，如图3(1)所示，而非从孤立的裁剪图像中直接回归手部特征。这些查询按照其功能分类：根部查询用于定位手部，关节查询用于描述其关节活动情况，表面查询则用于描述手部所接触的物体；双向时序Transformer允许两只手在视频片段内交换信息。检测也属于同一类问题，因此模型会利用相同的特征来计算2D热图和可见度评分，从而估算出每只手出现的位置和时间，无需外部检测器。查询是输入到冻结骨干网络中的唯一与手部相关的信息，骨干网络中的几何先验被复用而非被覆盖，仅提示、适配器和预测头会被训练；附录A详细说明了标记布局。

### 3.3 手部与场景之间的跨速率交互

将手部定位到场景中引发了第二个设计问题：场景上下文需要多频繁地更新？在以往的流程中，按手部采样率重新聚合场景数据会带来巨大的计算开销，而手部又需要密集观测，因此我们分离这两种采样率，并将其比例作为一个面向用户的调节参数，如图4(a, b)所示。步长$s \in \{1, \ldots, 5\}$会将手部时间点H采样为锚点G，自上次更新以来观测到的手部提示会被汇总到每个锚点中，从而使场景能够获取其所遗漏的手部运动的紧凑摘要：

 $$ p_{g}=p_{a_{g}}+\gamma f\big(\mathrm{L N}(\bar{p}_{g}-p_{a_{g}}),\mathrm{L N}(p_{a_{g}})\big). $$

此处，$\bar{p}_{g}$ 是相邻手部提示的汇总结果，$p_{a_{g}}$ 是汇总前的锚点提示，$p_{g}$ 是更新后的锚点提示，f 表示残差投影，$\gamma$ 是标量门控，LN 代表层归一化。这种更新方式是残差式的且初始值为零，因此训练从密集行为开始，只有较大的步长才会削弱聚合效果。随后，这些锚点会重新进入冻结的聚合器中，然后

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![Image](images/d53a45522f744e1d64c779eecf9b399b61080808a6997c8492babfd161f4f1a4.jpg)

<div style="text-align: center;">Figure 4: Cross-rate prompting and point decoding. (a, b) Hand prompts run at rate H while global anchors $G \subseteq H$ aggregate them at a configurable lower rate. (c, d) A shared point representation decodes geometry and point-wise attributes.</div>

第二个桥接模块会将聚合后的上下文传回手部速率层，从而实现双向的证据流动。由于每个步长都会复用相同的适配器和相位嵌入，因此该比例仅作为计算调节参数，而非用于定义新模型。

### 3.4 带有交互属性的显式手部几何结构

如今手部特征已包含场景上下文和二维手部证据，但仍需将其转化为几何结构和交互属性。我们所针对的属性是针对单个手部点定义的——包括该点是否可见、是否接触物体以及它距离接触面有多远——因此我们直接解码点的坐标，而非像图4(c, d)所示那样通过姿态和形状系数来描述手部。根部、关节和表面查询会读取相同的点特征，从而确保位置、关节活动和接触关系保持一致；表面分支还会继承相关关节的特征，并在相邻面上进行混合，这样解码出的点就能反映手部的连通性。每个点会通过一个小型预测头获得三种属性：可见性、接触状态以及到接触面的距离。接触属性将物体接触和另一只手的接触合并为每种点的单一状态，且不会指明接触对象，因此无需依赖物体模板或物体姿态。虽然手部仍通过MANO拓扑结构（Romero等人，2017年）进行监督，但其几何结构是以点的坐标形式解码的，而非姿态或形状参数。

![Image](images/0917aa9f53ad2264f059a95039a387513d2ace1f7a177ccdb5fff879cdc2f184.jpg)

<div style="text-align: center;">Figure 5: Root recovery, scale alignment, and outputs. (a) Root recovery from 2D rays, relative joints, and a learned depth prior. (b) Inference-time scale alignment, with camera-space hands and rotations fixed. (c) Outputs at requested times  R; (d) 195 $\rightarrow$MANO densification; (e) scale-consistent clip stitching.</div>

### 3.5 度量级手部定位

解码手部几何结构后，还未能将手部定位到相机坐标系中，而且单目场景的深度也仅能确定到一个未知的比例因子。这两者都属于尺度问题，而手部恰好能解决这两个问题。如图5(a)所示，手部根部是根据观测到的二维射线以及在腕部约束下预测出的相对关节位置来恢复的，同时借助学习得到的深度先验来稳定求解过程：

 $$ J_{j}=t+\Delta J_{j},\qquad V_{v}=t+\Delta V_{v}, $$

其中t表示根部的平移量，$\Delta J_j$ 和 $\Delta V_v$ 分别是关节j和顶点v的预测偏移量，$J_j$ 和 $V_v$ 则是最终得到的点坐标，这些坐标会被预测出的相机参数转换为世界坐标系下的坐标。

同样的证据也决定了场景的度量尺度，如图5(b)所示：度量头会根据场景摘要和手部特征来预测该尺度；当手部证据不足时，学习得到的先验能保证尺度定义清晰。

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在推理阶段，投影出的手部顶点与原始深度数据之间的一致性会进一步细化该尺度。校准过程仅重新调整场景深度和相机平移参数，因此旋转、内参以及相机空间中的手部位置均保持不变，手部分支也无需重新计算；附录J中记录了场景和相机的输出结果。

### 3.6 任意时刻的训练与输出

上述设计构成了一个单一模型，该模型在多种以自我为中心的数据集混合体上端到端训练，同时冻结主干网络，以便仅优化提示词、适配器和预测头；附录B中说明了相应的目标函数。该网络以手部运动速率运行，但应用程序需要在各自的时间点以及下游应用所需的网格分辨率下获取输出结果。因此，我们将所请求的时间点R视为一个接口，通过确定性插值从网络输出中恢复这些时间点，如图5(c)所示；同一阶段还将原始的195个顶点几何结构密集化，以适应完整的778个顶点的MANO网格，如图5(d)所示。这样一来，密集输出并不会增加额外的网络计算量，且预测出的点本身就能被保留下来。长视频会被处理成相互重叠的片段，这些片段在拼接前必须共享同一尺度，而同一阶段会通过重新缩放其重建结果来使共享帧保持一致，如图5(e)所示。由于插值过程会用到未来帧，且对齐操作需要对比整个片段，因此EgoFound3R是一种离线方法，这两种操作都不属于前馈网络的计算范畴。

## 4 实验

### 4.1 评估设置

我们基于七个以自我为中心的数据集进行训练：H2O（Kwon等人，2021年）、HOT3D Aria（Banerjee等人，2025年）、OakInk-v2（Zhan等人，2024年）、TACO（Liu等人，2024年）、HOI4D（Liu等人，2022年）、ARCTIC（Fan等人，2023年）以及STERA-10M（Palanisamy等人，2026年）。评估时从每个数据集中按固定比例抽取2,378个窗口，每个窗口为2秒的片段，且未纳入训练集；主要表格报告了OakInk-v2、TACO和HOI4D的结果，这些数据集提供了完整的指标套件，其余数据集则出现在定性对比中。我们的模型采用默认的步长$s = 5$；关于时间和场景方面的研究详见附录C和J。为了控制评估成本，Dyn-HaMR和InteractVLM均在100个窗口的子集上进行评估，同时在同一窗口上以EgoFound3R作为对照。几何相关的指标以毫米为单位，包括各关节位置误差平均值（MPJPE）和各顶点位置误差平均值（MPVPE），评估在六种对齐方式下进行：未对齐（Raw）、根节点相对对齐（RR）、逐帧对齐（PA）、相似性对齐（Sim(3)）、世界坐标对齐（W）以及世界坐标精确对齐（WA）。接触和可见性指标采用精确度（P）、召回率（R）和F1值；距离指标则采用点到表面距离的平均绝对误差（MAE，单位：毫米），分别针对所有有效点（MAE(All)）、预测接触点（MAE(Pred)）和真实接触点（MAE(GT)）进行计算。详情见附录D。

### 4.2 手部几何与交互

手部几何结构。表1报告了世界坐标系下的手部重建结果，对比了EgoFound3R与基于相机坐标系的估计器（WiLoR（Potamias等人，2025年）及其改进版本PAD-Hand（Ismayilzada等人，2026年）和EgoForce（Millerdurai等人，2026年））、世界坐标系流水线（HaWoR（Zhang等人，2025年）和Dyn-HaMR（Yu等人，2025年），后者在匹配的100个窗口子集上测试），以及关节重建系统ReViV（Lyu等人，2026年）。EgoFound3R在每个子集上的原始误差和根部相关关节误差均为最低，相较于OakInk-v2、TACO和HOI4D数据集上的最强基线模型，其MPJPE分别降低了43.2%、22.4%和11.6%；即使去除根部平移信息，这一排序依然成立；在通用窗口上，该模型在预测自身相机位姿的方法中，其世界坐标误差和世界对齐误差也最低。这三个基准测试在采集设备和物体类别上存在差异，因此跨基准测试的一致性排序反映了模型设计优势而非单一基准测试的偶然性；各基线模型的表现符合其设计预期：基于相机坐标系的估计器虽能在每帧对齐后恢复手部形状，但由于从未估算相机在场景中的位置，其原始误差和世界坐标误差始终较高。世界坐标系流水线虽然能定位手部位置，但随着序列长度增加会出现偏移：在匹配的子集中，Dyn-HaMR的世界坐标误差从OakInk-v2到HOI4D增加了数倍；HaWoR在OakInk-v2数据集上无法准确还原手部关节活动，其原始误差是其他两个数据集上的两倍多；而ReViV的整体表现最差，每个子集上经帧对齐后的误差都是我们的数倍。我们的单阶段设计正是针对这一问题：手部

---

<div style="text-align: center;">Table 1: Joint reconstruction (MPJPE, mm); each cell lists OakInk-v2, TACO, and HOI4D left to right, with † marking methods placed with ground-truth extrinsics and ‡ marking EgoFound3R with ground-truth intrinsics and predicted extrinsics. For EgoFound3R $^{\dagger}$ the camera-space columns are identical to the default row and are left blank.  $^{100w}$ subsets are unranked, W/WA are ranked within each extrinsic group.</div>

<table border=1 style='margin: auto; word-wrap: break-word;'><tr><td rowspan="2">Method</td><td colspan="3">Raw $\downarrow$</td><td colspan="3">RR $\downarrow$</td><td colspan="3">PA $\downarrow$</td><td colspan="3">Sim(3) $\downarrow$</td><td colspan="3">W $\downarrow$</td><td colspan="3">WA $\downarrow$</td><td style='text-align: center; word-wrap: break-word;'></td></tr><tr><td style='text-align: center; word-wrap: break-word;'>WLoR $^{\dagger}$</td><td style='text-align: center; word-wrap: break-word;'>91.24</td><td style='text-align: center; word-wrap: break-word;'>70.40</td><td style='text-align: center; word-wrap: break-word;'>81.51</td><td style='text-align: center; word-wrap: break-word;'>27.66</td><td style='text-align: center; word-wrap: break-word;'>28.33</td><td style='text-align: center; word-wrap: break-word;'>27.75</td><td style='text-align: center; word-wrap: break-word;'>7.78</td><td style='text-align: center; word-wrap: break-word;'>9.49</td><td style='text-align: center; word-wrap: break-word;'>9.62</td><td style='text-align: center; word-wrap: break-word;'>16.89</td><td style='text-align: center; word-wrap: break-word;'>25.95</td><td style='text-align: center; word-wrap: break-word;'>24.14</td><td style='text-align: center; word-wrap: break-word;'>42.14</td><td style='text-align: center; word-wrap: break-word;'>51.14</td><td style='text-align: center; word-wrap: break-word;'>49.41</td><td style='text-align: center; word-wrap: break-word;'>17.04</td><td style='text-align: center; word-wrap: break-word;'>26.14</td><td style='text-align: center; word-wrap: break-word;'>24.57</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>PAD-Hand $^{\dagger}$</td><td style='text-align: center; word-wrap: break-word;'>107.16</td><td style='text-align: center; word-wrap: break-word;'>72.97</td><td style='text-align: center; word-wrap: break-word;'>75.35</td><td style='text-align: center; word-wrap: break-word;'>32.23</td><td style='text-align: center; word-wrap: break-word;'>30.30</td><td style='text-align: center; word-wrap: break-word;'>29.77</td><td style='text-align: center; word-wrap: break-word;'>9.63</td><td style='text-align: center; word-wrap: break-word;'>11.19</td><td style='text-align: center; word-wrap: break-word;'>10.12</td><td style='text-align: center; word-wrap: break-word;'>21.37</td><td style='text-align: center; word-wrap: break-word;'>29.21</td><td style='text-align: center; word-wrap: break-word;'>24.79</td><td style='text-align: center; word-wrap: break-word;'>49.01</td><td style='text-align: center; word-wrap: break-word;'>57.06</td><td style='text-align: center; word-wrap: break-word;'>51.92</td><td style='text-align: center; word-wrap: break-word;'>51.92</td><td style='text-align: center; word-wrap: break-word;'>21.62</td><td style='text-align: center; word-wrap: break-word;'>29.60</td><td style='text-align: center; word-wrap: break-word;'>25.04</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>EgoForce $^{\dagger}$</td><td style='text-align: center; word-wrap: break-word;'>123.57</td><td style='text-align: center; word-wrap: break-word;'>126.63</td><td style='text-align: center; word-wrap: break-word;'>147.77</td><td style='text-align: center; word-wrap: break-word;'>47.75</td><td style='text-align: center; word-wrap: break-word;'>44.53</td><td style='text-align: center; word-wrap: break-word;'>52.78</td><td style='text-align: center; word-wrap: break-word;'>11.09</td><td style='text-align: center; word-wrap: break-word;'>11.93</td><td style='text-align: center; word-wrap: break-word;'>12.92</td><td style='text-align: center; word-wrap: break-word;'>32.62</td><td style='text-align: center; word-wrap: break-word;'>47.84</td><td style='text-align: center; word-wrap: break-word;'>49.22</td><td style='text-align: center; word-wrap: break-word;'>80.59</td><td style='text-align: center; word-wrap: break-word;'>105.52</td><td style='text-align: center; word-wrap: break-word;'>142.58</td><td style='text-align: center; word-wrap: break-word;'>33.10</td><td style='text-align: center; word-wrap: break-word;'>46.65</td><td style='text-align: center; word-wrap: break-word;'>55.76</td><td style='text-align: center; word-wrap: break-word;'></td></tr><tr><td style='text-align: center; word-wrap: break-word;'>EgoFound3R $^{\dagger}$</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>27.49</td><td style='text-align: center; word-wrap: break-word;'>36.68</td><td style='text-align: center; word-wrap: break-word;'>63.01</td><td style='text-align: center; word-wrap: break-word;'>17.89</td><td style='text-align: center; word-wrap: break-word;'>24.06</td><td style='text-align: center; word-wrap: break-word;'>23.30</td><td style='text-align: center; word-wrap: break-word;'></td></tr><tr><td style='text-align: center; word-wrap: break-word;'>Dyn-HaMR $^{100w}$</td><td style='text-align: center; word-wrap: break-word;'>96.39</td><td style='text-align: center; word-wrap: break-word;'>127.12</td><td style='text-align: center; word-wrap: break-word;'>245.06</td><td style='text-align: center; word-wrap: break-word;'>17.91</td><td style='text-align: center; word-wrap: break-word;'>127.47</td><td style='text-align: center; word-wrap: break-word;'>26.49</td><td style='text-align: center; word-wrap: break-word;'>7.84</td><td style='text-align: center; word-wrap: break-word;'>11.62</td><td style='text-align: center; word-wrap: break-word;'>11.89</td><td style='text-align: center; word-wrap: break-word;'>13.76</td><td style='text-align: center; word-wrap: break-word;'>29.27</td><td style='text-align: center; word-wrap: break-word;'>30.47</td><td style='text-align: center; word-wrap: break-word;'>36.16</td><td style='text-align: center; word-wrap: break-word;'>77.88</td><td style='text-align: center; word-wrap: break-word;'>173.62</td><td style='text-align: center; word-wrap: break-word;'>17.19</td><td style='text-align: center; word-wrap: break-word;'>31.46</td><td style='text-align: center; word-wrap: break-word;'>65.71</td><td style='text-align: center; word-wrap: break-word;'></td></tr><tr><td style='text-align: center; word-wrap: break-word;'>HaWoR</td><td style='text-align: center; word-wrap: break-word;'>174.73</td><td style='text-align: center; word-wrap: break-word;'>74.28</td><td style='text-align: center; word-wrap: break-word;'>53.46</td><td style='text-align: center; word-wrap: break-word;'>45.85</td><td style='text-align: center; word-wrap: break-word;'>24.19</td><td style='text-align: center; word-wrap: break-word;'>28.47</td><td style='text-align: center; word-wrap: break-word;'>9.49</td><td style='text-align: center; word-wrap: break-word;'>10.55</td><td style='text-align: center; word-wrap: break-word;'>10.49</td><td style='text-align: center; word-wrap: break-word;'>32.19</td><td style='text-align: center; word-wrap: break-word;'>27.71</td><td style='text-align: center; word-wrap: break-word;'>27.85</td><td style='text-align: center; word-wrap: break-word;'>100.46</td><td style='text-align: center; word-wrap: break-word;'>86.38</td><td style='text-align: center; word-wrap: break-word;'>171.09</td><td style='text-align: center; word-wrap: break-word;'>37.47</td><td style='text-align: center; word-wrap: break-word;'>35.34</td><td style='text-align: center; word-wrap: break-word;'>55.96</td><td style='text-align: center; word-wrap: break-word;'></td></tr><tr><td style='text-align: center; word-wrap: break-word;'>ReViV</td><td style='text-align: center; word-wrap: break-word;'>253.68</td><td style='text-align: center; word-wrap: break-word;'>91.19</td><td style='text-align: center; word-wrap: break-word;'>357.46</td><td style='text-align: center; word-wrap: break-word;'>80.60</td><td style='text-align: center; word-wrap: break-word;'>62.48</td><td style='text-align: center; word-wrap: break-word;'>82.12</td><td style='text-align: center; word-wrap: break-word;'>44.14</td><td style='text-align: center; word-wrap: break-word;'>40.14</td><td style='text-align: center; word-wrap: break-word;'>39.66</td><td style='text-align: center; word-wrap: break-word;'>58.05</td><td style='text-align: center; word-wrap: break-word;'>54.08</td><td style='text-align: center; word-wrap: break-word;'>58.04</td><td style='text-align: center; word-wrap: break-word;'>123.25</td><td style='text-align: center; word-wrap: break-word;'>93.25</td><td style='text-align: center; word-wrap: break-word;'>182.33</td><td style='text-align: center; word-wrap: break-word;'>57.75</td><td style='text-align: center; word-wrap: break-word;'>54.26</td><td style='text-align: center; word-wrap: break-word;'>68.74</td><td style='text-align: center; word-wrap: break-word;'></td></tr><tr><td style='text-align: center; word-wrap: break-word;'>EgoFound3R</td><td style='text-align: center; word-wrap: break-word;'>51.81</td><td style='text-align: center; word-wrap: break-word;'>54.64</td><td style='text-align: center; word-wrap: break-word;'>47.28</td><td style='text-align: center; word-wrap: break-word;'>17.77</td><td style='text-align: center; word-wrap: break-word;'>18.54</td><td style='text-align: center; word-wrap: break-word;'>16.63</td><td style='text-align: center; word-wrap: break-word;'>8.02</td><td style='text-align: center; word-wrap: break-word;'>8.13</td><td style='text-align: center; word-wrap: break-word;'>7.99</td><td style='text-align: center; word-wrap: break-word;'>17.87</td><td style='text-align: center; word-wrap: break-word;'>24.15</td><td style='text-align: center; word-wrap: break-word;'>23.29</td><td style='text-align: center; word-wrap: break-word;'>30.88</td><td style='text-align: center; word-wrap: break-word;'>40.03</td><td style='text-align: center; word-wrap: break-word;'>159.70</td><td style='text-align: center; word-wrap: break-word;'>18.77</td><td style='text-align: center; word-wrap: break-word;'>25.16</td><td style='text-align: center; word-wrap: break-word;'>49.84</td><td style='text-align: center; word-wrap: break-word;'></td></tr><tr><td style='text-align: center; word-wrap: break-word;'>EgoFound3R $^{\ddagger}$</td><td style='text-align: center; word-wrap: break-word;'>39.45</td><td style='text-align: center; word-wrap: break-word;'>50.44</td><td style='text-align: center; word-wrap: break-word;'>43.43</td><td style='text-align: center; word-wrap: break-word;'>17.84</td><td style='text-align: center; word-wrap: break-word;'>18.52</td><td style='text-align: center; word-wrap: break-word;'>16.67</td><td style='text-align: center; word-wrap: break-word;'>8.04</td><td style='text-align: center; word-wrap: break-word;'>8.13</td><td style='text-align: center; word-wrap: break-word;'>8.00</td><td style='text-align: center; word-wrap: break-word;'>18.01</td><td style='text-align: center; word-wrap: break-word;'>24.63</td><td style='text-align: center; word-wrap: break-word;'>23.39</td><td style='text-align: center; word-wrap: break-word;'>31.56</td><td style='text-align: center; word-wrap: break-word;'>41.78</td><td style='text-align: center; word-wrap: break-word;'>159.18</td><td style='text-align: center; word-wrap: break-word;'>18.94</td><td style='text-align: center; word-wrap: break-word;'>25.75</td><td style='text-align: center; word-wrap: break-word;'>49.77</td><td style='text-align: center; word-wrap: break-word;'></td></tr></table>

<div style="text-align: center;">Table 2: Joint-level contact prediction. Superscripts mark 100-window subsets. InteractVLM is shown for completeness and does not enter the ranking.</div>

<table border=1 style='margin: auto; word-wrap: break-word;'><tr><td rowspan="2">Method</td><td colspan="3">OakInk-v2</td><td colspan="3">TACO</td><td colspan="3">HOI4D</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>P $\uparrow$</td><td style='text-align: center; word-wrap: break-word;'>R $\uparrow$</td><td style='text-align: center; word-wrap: break-word;'>F1 $\uparrow$</td><td style='text-align: center; word-wrap: break-word;'>P $\uparrow$</td><td style='text-align: center; word-wrap: break-word;'>R $\uparrow$</td><td style='text-align: center; word-wrap: break-word;'>F1 $\uparrow$</td><td style='text-align: center; word-wrap: break-word;'>P $\uparrow$</td><td style='text-align: center; word-wrap: break-word;'>R $\uparrow$</td><td style='text-align: center; word-wrap: break-word;'>F1 $\uparrow$</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>InteractVLM $^{{100w}}$</td><td style='text-align: center; word-wrap: break-word;'>0.180</td><td style='text-align: center; word-wrap: break-word;'>0.403</td><td style='text-align: center; word-wrap: break-word;'>0.202</td><td style='text-align: center; word-wrap: break-word;'>0.388</td><td style='text-align: center; word-wrap: break-word;'>0.705</td><td style='text-align: center; word-wrap: break-word;'>0.472</td><td style='text-align: center; word-wrap: break-word;'>0.313</td><td style='text-align: center; word-wrap: break-word;'>0.537</td><td style='text-align: center; word-wrap: break-word;'>0.281</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>S $^{{2}}$Contact</td><td style='text-align: center; word-wrap: break-word;'>0.327</td><td style='text-align: center; word-wrap: break-word;'>0.081</td><td style='text-align: center; word-wrap: break-word;'>0.079</td><td style='text-align: center; word-wrap: break-word;'>0.519</td><td style='text-align: center; word-wrap: break-word;'>0.104</td><td style='text-align: center; word-wrap: break-word;'>0.146</td><td style='text-align: center; word-wrap: break-word;'>0.444</td><td style='text-align: center; word-wrap: break-word;'>0.265</td><td style='text-align: center; word-wrap: break-word;'>0.284</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>ContactOpt</td><td style='text-align: center; word-wrap: break-word;'>0.334</td><td style='text-align: center; word-wrap: break-word;'>0.196</td><td style='text-align: center; word-wrap: break-word;'>0.154</td><td style='text-align: center; word-wrap: break-word;'>0.557</td><td style='text-align: center; word-wrap: break-word;'>0.197</td><td style='text-align: center; word-wrap: break-word;'>0.259</td><td style='text-align: center; word-wrap: break-word;'>0.518</td><td style='text-align: center; word-wrap: break-word;'>0.477</td><td style='text-align: center; word-wrap: break-word;'>0.435</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>EgoFound3R</td><td style='text-align: center; word-wrap: break-word;'>0.510</td><td style='text-align: center; word-wrap: break-word;'>0.665</td><td style='text-align: center; word-wrap: break-word;'>0.493</td><td style='text-align: center; word-wrap: break-word;'>0.654</td><td style='text-align: center; word-wrap: break-word;'>0.777</td><td style='text-align: center; word-wrap: break-word;'>0.697</td><td style='text-align: center; word-wrap: break-word;'>0.612</td><td style='text-align: center; word-wrap: break-word;'>0.835</td><td style='text-align: center; word-wrap: break-word;'>0.675</td></tr></table>

<div style="text-align: center;">Table 3: Visibility prediction at 21 joints on OakInk-v2, TACO, and HOI4D. HVD predicts joint visibility only; vertex-level results are reported in Appendix G.</div>

<table border=1 style='margin: auto; word-wrap: break-word;'><tr><td rowspan="2">Method</td><td colspan="3">OakInk-v2</td><td colspan="3">TACO</td><td colspan="3">HOI4D</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>P $\uparrow$</td><td style='text-align: center; word-wrap: break-word;'>R $\uparrow$</td><td style='text-align: center; word-wrap: break-word;'>F1 $\uparrow$</td><td style='text-align: center; word-wrap: break-word;'>P $\uparrow$</td><td style='text-align: center; word-wrap: break-word;'>R $\uparrow$</td><td style='text-align: center; word-wrap: break-word;'>F1 $\uparrow$</td><td style='text-align: center; word-wrap: break-word;'>P $\uparrow$</td><td style='text-align: center; word-wrap: break-word;'>R $\uparrow$</td><td style='text-align: center; word-wrap: break-word;'>F1 $\uparrow$</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>HVD</td><td style='text-align: center; word-wrap: break-word;'>0.823</td><td style='text-align: center; word-wrap: break-word;'>0.808</td><td style='text-align: center; word-wrap: break-word;'>0.792</td><td style='text-align: center; word-wrap: break-word;'>0.878</td><td style='text-align: center; word-wrap: break-word;'>0.834</td><td style='text-align: center; word-wrap: break-word;'>0.853</td><td style='text-align: center; word-wrap: break-word;'>0.917</td><td style='text-align: center; word-wrap: break-word;'>0.769</td><td style='text-align: center; word-wrap: break-word;'>0.831</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>EgoFound3R</td><td style='text-align: center; word-wrap: break-word;'>0.919</td><td style='text-align: center; word-wrap: break-word;'>0.747</td><td style='text-align: center; word-wrap: break-word;'>0.802</td><td style='text-align: center; word-wrap: break-word;'>0.917</td><td style='text-align: center; word-wrap: break-word;'>0.850</td><td style='text-align: center; word-wrap: break-word;'>0.880</td><td style='text-align: center; word-wrap: break-word;'>0.892</td><td style='text-align: center; word-wrap: break-word;'>0.884</td><td style='text-align: center; word-wrap: break-word;'>0.885</td></tr></table>

和场景由同一个模型解码，因此手部轨迹在整个视频片段中共享同一尺度，不会出现多阶段处理导致的偏移现象；附录E和F分别报告了顶点级和时间维度上的测试结果。

接触点预测。表2报告了关节级别的接触点预测结果，对比了EgoFound3R与InteractVLM（Dwivedi等人，2025年）、S²Contact（Tse等人，2022年）以及ContactOpt（Grady等人，2021年）。EgoFound3R将接触点预测与手部几何结构预测结合，在同一组点上利用相同的场景感知特征进行预测，而非依赖独立的分类器；它也是唯一一种能预测各点到接触表面距离的方法。EgoFound3R在所有三个子集上的精确度、召回率和F1值均最高。各基线模型的表现截然相反：几何分类器虽能保持中等精确度，但能识别的接触关节较少；而InteractVLM则为了提高召回率牺牲了精确度。在承载几何信息的点上、从已编码周围场景的特征中解码接触点信息，能够同时提升精确度和召回率。不同对比系统采用的接触点定义方式不同，且两种几何类基线模型还使用了真实的几何数据；附录G详细说明了测试协议和敏感性分析结果。

可见性预测。同一个网络头还能预测点的可见性，这是其他对比流水线所不具备的功能：如表3所示，在所有三个数据集上，EgoFound3R在关节可见性F1值上均优于仅预测关节的HVD（Hara等人，2026年）；其中在两个子集上精确度更高，另外两个子集上召回率更高；此外它还能预测顶点级别的可见性；附录G报告了顶点级别的测试结果。

### 4.3 世界坐标系下的定性对比

图6展示了从两个固定视角在重建的世界坐标系中渲染的两个视频片段，因此对比内容涵盖了相机对手部的定位情况，而非单一的投影视图。基于相机坐标系的估计器虽能恢复手部形状，但相对于物体表面存在偏移，而且两者

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![Image](images/22980c6e2e2d3f7d6754741c24ee5b84aca4353223f7038d7c34a29107806ab8.jpg)

<div style="text-align: center;">Figure 6: World-space qualitative comparison. Rows: two viewpoints of each clip; columns: the compared methods, rendered in the reconstructed world frame. Hands are pink (left) and blue (right), darker over time;  $\dagger$ marks methods placed with ground-truth extrinsics.</div>

![Image](images/089778bccc0e23f11de4dfa6ea24111edc07d416ad4257aae95ecb3982838328.jpg)

<div style="text-align: center;">Figure 7: Camera-space qualitative comparison. Top: hand geometry (left/right hands in pink/blue). Bottom: visibility, contact, and distance for EgoFound3R (Pred) and the ground truth (GT); green/red = visible/occluded, red/light blue = contact/no contact, and distance is a blue-to-red 0–50 mm map.</div>

世界空间流水线会偏离手部运动轨迹，而无法恢复其运动；ReViV仅能预测关节位置，无法提供手部表面信息。EgoFound3R则利用自身预测的摄像头来还原真实布局；附录L中展示了更多实验结果。

### 4.4 相机空间定性对比

图7展示了四个预留的测试窗口，其中两个来自ARCTIC数据集，两个来自TACO数据集；这两半窗口均为观测像素上的2D叠加层，上方显示手部几何信息，下方显示可见性、接触情况和距离数据。在这四个窗口中，EgoFound3R都能使手部与物体表面保持对齐，且属性图也与真实标注一致，这一结果与表1和表2中的结论相符。在这几个窗口中，所有对比方法均偏离了标注的手部区域，对手部的姿态和尺寸估计也存在偏差，而

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我们的叠加层能够精准匹配标注结果。属性头读取的正是携带几何信息的同一点数据；附录K中展示了更多实验结果。

### 4.5 核心设计消融实验

我们在TACO数据集上对各项设计选择进行了消融实验；附录I中定义了各变体，并在三个评估数据集上重复了相关实验。（i）模型容量。将手部模块的参数数量缩减至0.05B和0.1B时，原始误差会单调上升，且这些缩减后的变体在接触性和可见性指标上表现最差，在距离指标上也属于较弱水平，这说明表征能力从模型容量中获益，而非早早达到饱和。（ii）预训练骨干网络。移除冻结的VGGT-$\Omega$骨干网络（即不带$\Omega$的情况）后，原始误差会比默认情况高出约一半，且距离指标也会受到影响，这一结果说明应重新训练预训练的几何先验，而非仅靠监督信号重新学习它们。（iii）手-场景交互。若将交互限制为单向（1-way），几何信息和属性表现都会变差，其对接触性F1分数的负面影响甚至超过移除骨干网络的情况，这表明手部特征也必须参与塑造场景表征，而非仅从场景表征中读取信息。（iv）MANO参数。用MANO参数回归替代显式的点表征后，各指标表现均不如默认设置，且在几何、可见性和距离方面，它是三种结构变体中表现最差的，这一结果与“属性是在携带几何信息的同一点上解码”的结论一致。（v）多速率默认设置。S5是EgoFound3R的默认配置，其他速率下的步长消融实验结果详见附录I。

<div style="text-align: center;">Table 4: Core design ablation on TACO; the F1 columns are measured at 21 joints, and Sk is EgoFound3R at stride k.</div>

<table border=1 style='margin: auto; word-wrap: break-word;'><tr><td style='text-align: center; word-wrap: break-word;'>Variant</td><td style='text-align: center; word-wrap: break-word;'>Raw $\downarrow$</td><td style='text-align: center; word-wrap: break-word;'>RR $\downarrow$</td><td style='text-align: center; word-wrap: break-word;'>W $\downarrow$</td><td style='text-align: center; word-wrap: break-word;'>WA $\downarrow$</td><td style='text-align: center; word-wrap: break-word;'>Contact F1 $\uparrow$</td><td style='text-align: center; word-wrap: break-word;'>Vis. F1 $\uparrow$</td><td style='text-align: center; word-wrap: break-word;'>MAE(All) $\downarrow$</td><td style='text-align: center; word-wrap: break-word;'>MAE(Pred) $\downarrow$</td><td style='text-align: center; word-wrap: break-word;'>MAE(GT) $\downarrow$</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>0.05B</td><td style='text-align: center; word-wrap: break-word;'>109.71</td><td style='text-align: center; word-wrap: break-word;'>36.74</td><td style='text-align: center; word-wrap: break-word;'>81.37</td><td style='text-align: center; word-wrap: break-word;'>42.66</td><td style='text-align: center; word-wrap: break-word;'>0.542</td><td style='text-align: center; word-wrap: break-word;'>0.800</td><td style='text-align: center; word-wrap: break-word;'>41.47</td><td style='text-align: center; word-wrap: break-word;'>45.30</td><td style='text-align: center; word-wrap: break-word;'>49.54</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>0.1B</td><td style='text-align: center; word-wrap: break-word;'>96.90</td><td style='text-align: center; word-wrap: break-word;'>30.55</td><td style='text-align: center; word-wrap: break-word;'>61.66</td><td style='text-align: center; word-wrap: break-word;'>35.81</td><td style='text-align: center; word-wrap: break-word;'>0.579</td><td style='text-align: center; word-wrap: break-word;'>0.801</td><td style='text-align: center; word-wrap: break-word;'>49.27</td><td style='text-align: center; word-wrap: break-word;'>52.15</td><td style='text-align: center; word-wrap: break-word;'>58.61</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>MANO</td><td style='text-align: center; word-wrap: break-word;'>86.66</td><td style='text-align: center; word-wrap: break-word;'>24.29</td><td style='text-align: center; word-wrap: break-word;'>57.45</td><td style='text-align: center; word-wrap: break-word;'>35.15</td><td style='text-align: center; word-wrap: break-word;'>0.643</td><td style='text-align: center; word-wrap: break-word;'>0.854</td><td style='text-align: center; word-wrap: break-word;'>45.46</td><td style='text-align: center; word-wrap: break-word;'>48.21</td><td style='text-align: center; word-wrap: break-word;'>51.97</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>w/o $\Omega$</td><td style='text-align: center; word-wrap: break-word;'>82.59</td><td style='text-align: center; word-wrap: break-word;'>23.49</td><td style='text-align: center; word-wrap: break-word;'>53.38</td><td style='text-align: center; word-wrap: break-word;'>32.33</td><td style='text-align: center; word-wrap: break-word;'>0.661</td><td style='text-align: center; word-wrap: break-word;'>0.856</td><td style='text-align: center; word-wrap: break-word;'>36.19</td><td style='text-align: center; word-wrap: break-word;'>40.42</td><td style='text-align: center; word-wrap: break-word;'>42.52</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>1-way</td><td style='text-align: center; word-wrap: break-word;'>78.82</td><td style='text-align: center; word-wrap: break-word;'>23.70</td><td style='text-align: center; word-wrap: break-word;'>54.16</td><td style='text-align: center; word-wrap: break-word;'>32.14</td><td style='text-align: center; word-wrap: break-word;'>0.628</td><td style='text-align: center; word-wrap: break-word;'>0.861</td><td style='text-align: center; word-wrap: break-word;'>32.79</td><td style='text-align: center; word-wrap: break-word;'>35.52</td><td style='text-align: center; word-wrap: break-word;'>37.29</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>S5</td><td style='text-align: center; word-wrap: break-word;'>54.64</td><td style='text-align: center; word-wrap: break-word;'>18.54</td><td style='text-align: center; word-wrap: break-word;'>40.03</td><td style='text-align: center; word-wrap: break-word;'>25.16</td><td style='text-align: center; word-wrap: break-word;'>0.697</td><td style='text-align: center; word-wrap: break-word;'>0.880</td><td style='text-align: center; word-wrap: break-word;'>26.26</td><td style='text-align: center; word-wrap: break-word;'>28.09</td><td style='text-align: center; word-wrap: break-word;'>30.47</td></tr></table>

### 4.6 推理效率

在标注规模下，单次推理的成本与其精度同等重要。

![Image](images/ea6f546869cfefd28a4977e714f25f1e3c217abc2f7fac9314c03a28c5f35ae3.jpg)

<div style="text-align: center;">Figure 8: Inference efficiency.</div>

我们统计了手部处理速率（H FPS）——即每秒处理的手部观测帧数，这也是单速率基线模型的报告速率——以及$3\times$时间上采样所产生的密集输出速率（R FPS）。如图8和表6所示，EgoFound3R在$512 \times 512$、$5.97\times$条件下可达到28.69 H FPS的处理速率，远高于WiLoR的4.81 FPS，也快于所有对比的手部处理流水线。推理吞吐量由单次前向传播决定，而非多个阶段的累加结果。详情请参阅附录C。

## 5 结论

我们提出了EgoFound3R，这是一个统一的端到端模型，能够一次性恢复世界空间中的手部姿态，并预测逐点可见性、接触情况和距离。该模型结合了携带预训练几何上下文的结构化提示以辅助手部解码，采用显式的手部表示来解码几何形状与属性，还采用了共享参数的多速率设计以降低推理成本。在OakInk-v2、TACO和HOI4D数据集上，与最强的基线模型相比，它的MPJPE分别降低了43.2%、22.4%和11.6%，且运行速度比之前的最优模型快$6\times$。

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Ryosei Hara、Masashi Hatano、Rintaro Yanagi、Atsushi Hashimoto、Takuma Yagi和Mariko Isogawa。手部可见性检测器：针对手部的逐关键点可见性估计技术。arXiv预印本arXiv:2608.11574，2026年。

Andela Ilic、Rachel Schuchert、Yijing Jiang和Christian Holz。Egophi：基于第一人称视觉估计接触与作用力。载于2026年欧洲计算机视觉会议（ECCV）论文集。

Elkhan Ismayilzada、Yufei Zhang和Zijun Cui。Pad-hand：用于手部运动恢复的物理感知扩散模型。载于2026年IEEE计算机视觉与模式识别会议（CVPR）论文集。

Taein Kwon、Bugra Tekin、Jan Stühmer、Federica Bogo和Marc Pollefeys。H2o：用于第一人称交互识别的双手操作物体场景。载于2021年IEEE国际计算机视觉会议（ICCV）论文集。

Lin Li、Qihang Zhang、Yiming Luo、Shuai Yang、Ruilin Wang、Fei Han、Mingrui Yu、Zelin Gao、Nan Xue、Xing Zhu、Yujun Shen和Yinghao Xu。用于机器人控制的因果世界建模。arXiv预印本arXiv:2601.21998，2026a。

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Zishuo Li、Bowen Yang、Changtao Miao、Kai Zhu、Hao Chen、Qingze Guan、Zhengxing Wu、Wanke Zhan、Yang Sun、Zhiyi Huang等。Open-aoe：面向具身学习的开源第一人称操作数据集与工具链。arXiv预印本arXiv:2607.14183，2026b。

Haotong Lin、Sili Chen、Junhao Liew、Donny Y Chen、Zhenyu Li、Guang Shi、Jiashi Feng和Bingyi Kang。Depth Anything 3：从任意视角恢复视觉空间。载于2026年国际学习表征会议（ICLR）论文集。

Kevin Lin、Lijuan Wang和Zicheng Liu。Mesh Graphormer。载于2021年IEEE国际计算机视觉会议（ICCV）论文集。

Yun Liu、Haolin Yang、Xu Si、Ling Liu、Zipeng Li、Yuxiang Zhang、Yebin Liu和Li Yi。Taco：通用双手法-工具-物体理解能力基准测试。载于2024年IEEE计算机视觉与模式识别会议（CVPR）论文集。

Yunze Liu、Yun Liu、Che Jiang、Kangbo Lyu、Weikang Wan、Hao Shen、Boqiang Liang、Zhoujie Fu、He Wang和Li Yi。HOI4D：用于类别级人机交互的4D第一人称数据集。载于2022年IEEE计算机视觉与模式识别会议（CVPR）论文集。

Xiaozhong Lyu、Gen Li、Zhiyin Qian、Xucong Zhang、Marc Pollefeys和Siyu Tang。ReViV：从单目第一人称视频中重建观察者视角与视图的4D模型。载于2026年欧洲计算机视觉会议（ECCV）论文集。

Christen Millerdurai、Shaoxiang Wang、Yaxu Xie、Vladislav Golyanik、Didier Stricker和Alain Pagani。Egoforce：基于单目第一人称相机实现前臂引导的相机空间3D手部姿态估计。载于2026年SIGGRAPH会议论文集。

Senthil Palanisamy、Abhishek Anand、Satpal Singh Rathore、Pratyush Patnaik和Shubhanshu Khatana。Mobileego anywhere：在普通硬件上实现长时程第一人称数据的开源基础设施。arXiv预印本arXiv:2605.05945，2026。

Bhawna Paliwal、Haritheja Etukuru、William Liang、Pieter Abbeel、Nur Muhammad Mahi Shafullah和Jitendra Malik。Do as I do：源自日常人类视频的灵巧操作数据。arXiv预印本arXiv:2606.19333，2026。

Georgios Pavlakos、Dandan Shan、Ilija Radosavovic、Angjoo Kanazawa、David Fouhey和Jitendra Malik。利用Transformer重建3D手部模型。载于2024年IEEE计算机视觉与模式识别会议（CVPR）论文集。

Rolandos Alexandros Potamias、Jinglei Zhang、Jiankang Deng和Stefanos Zafeiriou。Wilor：野外环境下的端到端3D手部定位与重建。载于2025年IEEE计算机视觉与模式识别会议（CVPR）论文集。

哈维尔·罗梅罗、迪米特里奥斯·齐奥纳斯和迈克尔·J·布莱克。具身之手：手与身体的联合建模与捕捉。《ACM图形学汇刊》（SIGGRAPH Asia会议论文集），第36卷第6期，2017年。

奥丽安娜·西梅奥尼、胡伊·V·沃、马克西米利安·塞策尔、费德里科·巴尔达萨雷、马克西姆·奥夸布、奇乔·何塞、瓦希尔·哈利多夫、马克·萨法里涅茨、孙恩·李、米夏埃尔·拉莫尼乔阿、弗朗西斯科·马萨、丹尼尔·哈齐扎、卢卡·韦尔施泰特、王建元、蒂莫西·达尔塞、泰奥·穆塔卡尼、莱昂内尔·森塔纳、克莱尔·罗伯茨、安德烈亚·韦达尔迪、杰米·托兰、约翰·布兰特、卡米尔·库普里、朱利安·迈拉尔、埃尔韦·热古、帕特里克·拉巴图和皮奥特·博雅诺夫斯基。DINOv3。《机器学习研究汇刊》，2026年。

谢·何·埃尔登·谢、张中群、金光仁、阿莱斯·莱昂纳迪斯、郑峰和张亨进。S $^{2}$Contact：基于图的网络，用于结合半监督学习进行三维手-物体接触估计。载于《欧洲计算机视觉会议（ECCV）论文集》，2022年。

王高天、任可佳、安德鲁·摩根、陈一婷、钱浩华、Podshara Chanrungma-neekul和杭凯宇。Egoinfinity：一个面向任意视角机器人重定向与视频到动作机器人学习的网页级4D手-物体交互数据引擎。arXiv预印本arXiv:2606.17385，2026a年。

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王建元、陈明浩、尼基塔·卡拉耶夫、安德烈亚·韦达尔迪、克里斯蒂安·鲁普雷希特和大卫·诺沃特尼。Vggt：基于视觉几何的变换器。载于《IEEE计算机视觉与模式识别会议（CVPR）论文集》，2025a年。

王建元、陈明浩、张尚展、尼基塔·卡拉耶夫、约翰内斯·舍恩贝格尔、帕特里克·拉巴图、皮奥特·博雅诺夫斯基、大卫·诺沃特尼、安德烈亚·韦达尔迪和克里斯蒂安·鲁普雷希特。VGGT-Ω。载于《IEEE计算机视觉与模式识别会议（CVPR）论文集》，2026b年。

王倩倩、张一飞、亚历山大·霍林斯基、亚历克谢·A·埃弗罗斯和安吉乌·卡纳扎瓦。具有持久状态的连续三维感知模型。载于《IEEE计算机视觉与模式识别会议（CVPR）论文集》，2025b年。

王书哲、文森特·勒罗伊、约汉·卡邦、鲍里斯·奇德洛夫斯基和杰罗姆·雷沃德。Dust3r：简易的三维几何视觉工具。载于《IEEE计算机视觉与模式识别会议（CVPR）论文集》，2024年。

王一凡、周建军、朱浩毅、常文正、周阳、李子尊、陈俊毅、庞江淼、沈春华和何彤。$\pi^{3}$：排列等变的视觉几何学习。载于《国际学习表征会议（ICLR）论文集》，2026c年。

吴伟、王芳静、陆帆、孙赫、刘石、王云楠、严一斌、王勇、马帅雷、王新阳、刘一斌、杨帅、周天翔、张可佳、周磊、苏成、薛楠、谭斌、张涵、张友超、廖飞、朱星、沈玉军和郑可成。从基础到应用：实践中对VLA模型的改进。arXiv预印本arXiv:2607.06403，2026年。

叶圣贤、葛云浩、郑凯源、高申远、余思恒、乔治·库里安、苏尼尔·因杜普鲁、陈耀良、朱楚宁、向建南、阿亚恩·马利克、李京敏、威廉·梁、纳敦·拉纳瓦卡、顾嘉盛、徐银珍、王冠志、胡丰远、阿夫尼什·纳拉扬、约翰·比约克、王静、金光贤、牛丹通、郑瑞杰、谢雨琪、吴吉米、王琦、瑞安·朱利安、许丹菲、杜一伦、切博塔尔·叶夫根、斯科特·里德、扬·考茨、朱宇科、范林熙“吉姆”和姜乔尔。世界动作模型即零样本策略。arXiv预印本arXiv:2602.15922，2026a年。

叶宇飞、李佳曼、荣瑞安和刘C·凯伦。Whole：从第一人称视频中提取的世界基准手-物体数据。载于《IEEE计算机视觉与模式识别会议（CVPR）成果集》，2026b年。

虞正迪、Stefanos Zafeiriou和Tolga Birdal。Dyn-hamr：从动态摄像头恢复4D交互式手部运动。收录于IEEE计算机视觉与模式识别会议（CVPR）论文集，2025年。

曾华健、姚超华、张远泰、杨嘉琪、Rolandos Alexandros Potamias和左星星。Stablehand：基于以自我为中心的视频进行世界空间双手运动估计的质量感知流匹配方法。arXiv预印本arXiv:2605.18553，2026年。

詹欣宇、杨立新、赵一飞、毛康瑞、徐汉林、林泽南、李凯琳和卢策吴。Oakink2：复杂任务完成中的双手-物体操控数据集。收录于IEEE计算机视觉与模式识别会议（CVPR）论文集，2024年。

张京雷、邓建康、马超和Rolandos Alexandros Potamias。Hawor：从以自我为中心的视频中重建世界空间手部运动。收录于IEEE计算机视觉与模式识别会议（CVPR）论文集，2025年。

郑瑞杰、牛丹彤、谢雨琪、王静、徐梦达、蒋云帆、Fernando Castañeda、胡丰元、陈有亮、付乐天、Trevor Darrell、黄富荣、朱玉科、徐丹飞和范麟熙。Egoscale：利用多样化的以自我为中心的人类数据扩展灵巧操控能力。arXiv预印本arXiv:2602.16710，2026年。

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## 附录内容

A 详细的架构与信息流 ..... 13  
B 训练目标与监督机制 ..... 14  
C 推理效率与时间速率 ..... 16  
D 评估指标与排名规则 ..... 17  
E 额外的手部几何评估 ..... 18  
F 时间维度评估 ..... 18  
G 接触与可见性评估 ..... 19  
H 针对100窗口基线的匹配子集控制 ..... 22  
I 架构与多速率消融实验 ..... 24  
J 场景与摄像头评估 ..... 27  
K 摄像头空间定性结果 ..... 28  
L 世界空间定性结果 ..... 32

## A 详细的架构与信息流

图9对第3节的设计层面描述进行了拓展，展示了标记布局、定位与解码分支以及辅助头。以下段落按照正文顺序展开，记录了正文中未提及的细节：提示词所携带的内容、两种速率之间如何交换信息，以及解码头读取的内容。正是这些选择将正文中的设计层面描述转化为具体的模型。我们沿用第3节的记号：H表示手部观测时间点，$G \subseteq H$表示锚点，s表示步长，R表示请求的输出时间点。

![Image](images/053bfba9e9395df8efc81ddad97a95bc9ea6996fe19a2badd95ca950c3c7cdd4.jpg)

<div style="text-align: center;">Figure 9: Detailed technical framework. Full token layout, geometric interaction, explicit decoding, and auxiliary branches.</div>

手部提示词与定位。冻结的VGGT-$\Omega$骨干网络（Wang等人，2026b）基于DINOv3编码器（Siméoni等人，2026）构建，该编码器会对每个手部速率帧进行嵌入，其聚合器会将锚点帧转换为跨帧场景标记。一个注意力桥接层会将这种上下文信息复制到手部特征中，这些特征被组织为根节点、关节和表面查询项。模型中有两个小型头部用于定位手部：一个预测关节热图及帧内偏移量，另一个预测每只手是否在视野内。它们的输出会被从梯度中分离出来并重复使用，作为查询项。

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一个双向时间Transformer会在剪辑范围内关联两只手的信息，而一个可学习的尺度提示词则承载了解码头所需的度量证据。

交叉率交互。一个步长$s \in \{1, \ldots, 5\}$会选定锚点时刻$G \subseteq H$。每个锚点会收集其所属步长块内的有效手部提示，并借助经过训练的注意力权重将这些提示整合起来；这些权重还会考量提示在块内的位置。整合后的摘要会通过公式(1)中的门控残差更新机制添加到锚点中。由于残差初始值设为零，且单元素块会直接返回原锚点，因此密集配置能够被精确还原。这些锚点会重新进入冻结的聚合器中，其中只有适配器会被训练；随后会执行与手部提示作为查询、聚合后的全局标记作为键和值的槽位匹配型交叉注意力步骤，从而将上下文信息反馈给手部率，如图9(a)所示。同样的架构也会将信息从手部传回锚点，因此$H \to G$与$G \to H$之间的数据交换共用同一个接口。单个相位嵌入会在各步长间共享，并在连续且循环包裹的位置被读取，正因如此，改变的是聚合密度而非参数数量。

显式解码与属性头。如图9(b)所示，根部、关节和表面查询会读取相同的点特征。关节和表面查询会回归相对于根部的偏移量，即公式(2)中的$\Delta J_j$和$\Delta V_v$；表面分支会继承其所附着关节的特征，并对MANO网格的相邻面进行混合处理（Romero等人，2017年）。根部查询还会额外预测深度先验$z_p$。根部的平移位置并非直接通过回归得出，而是通过几何求解得到：以手腕为锚点的、基于置信度加权的稳健拟合算法会综合观测到的2D线索、预测的相对关节位置、深度先验以及手部固有特征$K_{H}$来得出结果。三个逐点线性头会从相同特征中解码出可见性、接触情况和距离信息：两个分类目标采用Sigmoid函数处理，距离则采用非负解码方式；接触信息会合并物体接触和对手部接触，但不会区分接触对象。

场景头与度量头。场景头负责预测锚点深度$D_G$、相机姿态$P_G$以及相机内参$K_G$。度量头属于剪辑级解码器：它会读取场景摘要、分离出的手部特征、视图内概率以及尺度提示，进而预测场景尺度以及原始到米的转换先验$\lambda_0 = \hat{\rho}/\rho_{\text{raw}}$，其中$\rho_{\text{raw}}$由有效的原始场景点计算得出，$\hat{\rho}$则表示预测的尺度。由于手部头和场景头读取的是不同的网格，$K_H$会在剪辑级别上通过对每帧估计值进行插值局部残差处理来得到共识值，且在解出根部位置后该值会被分离出来；而场景反投影则会保留原始的锚点内参$K_G$。推理时，可见的手部顶点会被投影到原始深度图中，以检验手部深度的一致性；由此得到的因子仅会重新缩放场景深度和相机平移，而旋转、内参以及相机空间中的手部位置则保持不变。由于世界空间中的手部位置是与相机轨迹相合成的，因此它们会随缩放后的场景一同变化，无需重新预测。

请求的输出时间。网络以手部运动速率运行；无需参数的阶段通过分别插值相机和手部数据来生成所请求的时间R，同时利用Mesh Graphormer（Lin等人，2021）的固定一级上采样技术，将原始的195个顶点密集化为包含778个顶点的MANO网格，从而精确还原测量点。重叠的片段会通过共享帧处的原始深度值将其缩放至同一尺度后进行拼接。这两种操作都需要读取未来帧，因此属于前馈网络之外的处理步骤，故该部署方案仍可在离线状态下运行。

## B 训练目标与监督机制

我们总结了用于训练统一模型的典型损失项。训练流程依托正文中所列的七个以自我为中心的数据集，整合了这些数据集提供的关于2D观测、手部与场景几何、相机、尺度、点属性以及时序运动的掩码监督信息。接触与距离目标则根据标注的手部点与标注的物体或对手表面之间的点到三角形距离来确定。对于每一项损失而言，只有那些被其监督掩码覆盖且目标值有限的样本才会参与计算；有效的任务损失会被汇总为多任务目标。此处用p表示手部查询点（关节点或手部表面点），Q表示该项下所有有效点，即目标值有限且监督掩码有效的点。符号“^”表示预测量，置信度权重$\alpha$被几何与接触项所采用，且下述各项均配有各自的平衡权重。

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<div style="text-align: center;">Training recipe. During training, we sample the supported temporal strides in fixed proportions. Table 5: Training configuration. Only the hand prompts, adapters, and prediction heads are optimized; the VGGT- $\Omega$ backbone stays frozen.</div>

<table border=1 style='margin: auto; word-wrap: break-word;'><tr><td style='text-align: center; word-wrap: break-word;'>Setting</td><td style='text-align: center; word-wrap: break-word;'>Value</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>Optimizer</td><td style='text-align: center; word-wrap: break-word;'>AdamW $\beta = (0.9, 0.999)$, $\epsilon = 10^{-8}$, weight decay 0.01</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>Learning rate</td><td style='text-align: center; word-wrap: break-word;'>$2.5 \times 10^{-4}$</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>Schedule</td><td style='text-align: center; word-wrap: break-word;'>linear warmup over 100 steps, then cosine decay to $10^{-5}$</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>Batch size</td><td style='text-align: center; word-wrap: break-word;'>8 per device on $8 \times$ NVIDIA H20 (effective 64)</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>Resolution</td><td style='text-align: center; word-wrap: break-word;'>$256 \times 256$</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>Training steps</td><td style='text-align: center; word-wrap: break-word;'>3,200</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>Gradient clipping</td><td style='text-align: center; word-wrap: break-word;'>1.0</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>Precision</td><td style='text-align: center; word-wrap: break-word;'>bfloat16 with DeepSpeed ZeRO-2</td></tr></table>

显式手部几何。对于查询点$p \in Q$，模型会预测其相对于根节点的偏移量$\delta_p$以及对数置信度$s_p$，其中$\delta_p$即为该点的标注偏移量。偏移量会按照该实例中有效手部点的平均尺度a进行归一化，其预测值记为$\hat{a}$，置信度权重$\alpha$用于对置信度项加权，最终得到加权后的稳健回归损失。

 $$ \mathcal{L}_{\mathrm{g e o m}}=\frac{1}{|\mathcal{Q}|}\sum_{p\in\mathcal{Q}}\left[\exp(s_{p})\left\|\frac{\hat{\delta}_{p}}{\hat{a}}-\frac{\delta_{p}}{a}\right\|_{1}-\alpha s_{p}\right]. $$

同样的处理方式也适用于关节点和原始表面点，而根节点的位置则可通过度量场景与图像观测结果来还原。

可见性与接触。可见性通过掩码二元交叉熵进行监督，其中$\hat{v}_p$为预测的可见性逻辑值，$v_p \in \{0,1\}$为点p的标注可见性：

 $$ \mathcal{L}_{\mathrm{v i s}}=\frac{1}{|\mathcal{Q}|}\sum_{p\in\mathcal{Q}}\mathrm{B C E W i t h L o g i t s}(\hat{v}_{p},v_{p}). $$

对于接触而言，分类误差会与学习得到的点置信度相结合：

 $$ \mathcal{L}_{\mathrm{c o n}}=\begin{array}{l l}{1}&{\quad}\\ {\quad}&{\quad}\\ {\quad}&{\quad}\\ \end{array}\mathcal{\mathbf{\Pi}}_{\alpha\beta}^{(i_{1})}-\alpha c_{p}\big], $$

其中$\hat{z}_p$为预测的接触逻辑值，$y_p \in \{0,1\}$为同一点标注的接触状态，$c_p$为预测的对数置信度，$\alpha$即为上文提到的置信度权重。当相应标签可用时，这些损失会在关节点和表面点处分别进行评估。

距离。距离预测头会输出对数距离$\ell$。为了在保留接触区域分辨率的同时限制远距离点的影响，我们采用如下回归方式：

 $$ \mathcal{L}_{\mathrm{d i s t}}=\frac{1}{|\mathcal{Q}|}\sum_{p\in\mathcal{Q}}\mathrm{S m o o t h L1}\Big(\hat{\ell}_{p},\log(1+1000d_{p})\Big), $$

其中$d_{p}$为点p的标注点到表面距离（单位为米），系数1000用于将目标值转换为毫米单位。

二维线索与场景监督。全图像定位分支采用加权热图二元交叉熵损失$\mathcal{L}_{\text{heatmap}}$以及平滑$L_1$偏移损失$\mathcal{L}_{\text{offset}}$；预测得到的三维点$\hat{X}$还会通过投影关系$\Pi$受到观测到的二维坐标u的约束，这三个项分别由$\lambda_h$、$\lambda_o$和$\lambda_r$进行加权：

 $$ \mathcal{L}_{\mathrm{2D}}=\lambda_{h}\mathcal{L}_{\mathrm{h e a t m a p}}+\lambda_{o}\mathcal{L}_{\mathrm{o f f s e t}}+\lambda_{r}\left\|\Pi(\hat{X})-u\right\|_{1}. $$

场景与相机分支提供了掩码深度、相机内参以及相机运动监督：深度项采用置信度加权的鲁棒误差计算方式，相机平移在场景尺度归一化后进行对比，而相机旋转则使用测地旋转损失。我们用$\mathcal{L}_{3R}$来表示这一场景与相机目标函数；几何项的权重保持为1，因此完整的训练损失为

 $$ \mathcal{L}=\mathcal{L}_{\mathrm{g e o m}}+\lambda_{\mathrm{v i s}}\mathcal{L}_{\mathrm{v i s}}+\lambda_{\mathrm{c o n}}\mathcal{L}_{\mathrm{c o n}}+\lambda_{\mathrm{d i s t}}\mathcal{L}_{\mathrm{d i s t}}+\lambda_{\mathrm{2D}}\mathcal{L}_{\mathrm{2D}}+\lambda_{\mathrm{3R}}\mathcal{L}_{\mathrm{3R}}. $$

---

## C 推理效率与时间速率

<div style="text-align: center;">Table 6: Inference efficiency on one NVIDIA H20. The $G/H/R$ column lists the anchor, hand, and output rates; H FPS and R FPS are in frames per second, VRAM is in GiB, and parameter counts use B/M; timings follow the released configuration of each system.</div>

<table border=1 style='margin: auto; word-wrap: break-word;'><tr><td style='text-align: center; word-wrap: break-word;'>Method</td><td style='text-align: center; word-wrap: break-word;'>G/H/R</td><td style='text-align: center; word-wrap: break-word;'>H FPS $\uparrow$</td><td style='text-align: center; word-wrap: break-word;'>R FPS $\uparrow$</td><td style='text-align: center; word-wrap: break-word;'>VRAM (GiB) $\downarrow$</td><td style='text-align: center; word-wrap: break-word;'>Total params. (B/M)</td></tr><tr><td colspan="6">EgoFound3R configurations</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>EgoFound3R-A ( $512^{2}$)</td><td style='text-align: center; word-wrap: break-word;'>4/21/60</td><td style='text-align: center; word-wrap: break-word;'>48.63</td><td style='text-align: center; word-wrap: break-word;'>138.95</td><td style='text-align: center; word-wrap: break-word;'>3.87</td><td style='text-align: center; word-wrap: break-word;'>1.356B</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>EgoFound3R-B ( $512^{2}$)</td><td style='text-align: center; word-wrap: break-word;'>34/168/500</td><td style='text-align: center; word-wrap: break-word;'>43.65</td><td style='text-align: center; word-wrap: break-word;'>129.91</td><td style='text-align: center; word-wrap: break-word;'>9.61</td><td style='text-align: center; word-wrap: break-word;'>1.356B</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>EgoFound3R-C ( $512^{2}$)</td><td style='text-align: center; word-wrap: break-word;'>100/500/1498</td><td style='text-align: center; word-wrap: break-word;'>28.69</td><td style='text-align: center; word-wrap: break-word;'>85.95</td><td style='text-align: center; word-wrap: break-word;'>22.57</td><td style='text-align: center; word-wrap: break-word;'>1.356B</td></tr><tr><td colspan="6">Contact methods: GT hand + object mesh + object 6DoF</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>ContactOpt</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>1396.03</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>2.34</td><td style='text-align: center; word-wrap: break-word;'>1.42M</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>S $^{2}$Contact</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>274.06</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>3.69</td><td style='text-align: center; word-wrap: break-word;'>0.59M</td></tr><tr><td colspan="6">Multimodal contact method</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>InteractVLM</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>0.41</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>32.92</td><td style='text-align: center; word-wrap: break-word;'>13.05B</td></tr><tr><td colspan="6">Camera-space hand methods</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>PAD-Hand</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>3.71</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>22.36</td><td style='text-align: center; word-wrap: break-word;'>1.36B</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>WiLoR</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>4.81</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>22.36</td><td style='text-align: center; word-wrap: break-word;'>0.67B</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>EgoForce</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>10.63</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>1.63</td><td style='text-align: center; word-wrap: break-word;'>0.79B</td></tr><tr><td colspan="6">World-space hand methods</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>Dyn-HaMR</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>1.20</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>6.03</td><td style='text-align: center; word-wrap: break-word;'>0.70B</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>HaWoR</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>2.93</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>7.76</td><td style='text-align: center; word-wrap: break-word;'>1.17B</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>ReViV</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>14.77</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>15.63</td><td style='text-align: center; word-wrap: break-word;'>1.54B</td></tr><tr><td colspan="6">Scene methods</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>DA3-Large-1.1</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>50.15</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>5.02</td><td style='text-align: center; word-wrap: break-word;'>0.41B</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>VGGT</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>23.46</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>8.81</td><td style='text-align: center; word-wrap: break-word;'>1.26B</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>VGGT- $\Omega$</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>21.05</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>8.30</td><td style='text-align: center; word-wrap: break-word;'>1.14B</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>$\pi^{3}$</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>16.90</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>7.36</td><td style='text-align: center; word-wrap: break-word;'>0.96B</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>LingBot-Map</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>4.27</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>12.54</td><td style='text-align: center; word-wrap: break-word;'>1.16B</td></tr></table>

受控多速率效率消融实验

512×512 · 2秒窗口 · NVIDIA H20

![Image](images/bafcfe3725c80e3d541c60e1768a8d0d6d5f69895e52b6c559cb9f76832dc1e6.jpg)

![Image](images/8a646993b470a23318f789b52f6f8124758e6ea6b85ab9edafc4f0a9eb366fa9.jpg)

<div style="text-align: center;">Figure 10: Hand-rate efficiency across global strides. Only the global stride  $s \in \{1, 3, 5\}$ changes, with parameters,  $512 \times 512$ input, and 2 s windows held fixed, so the panels isolate its effect on hand-rate throughput (H FPS), the anchor and output rates, forward latency, and peak memory.</div>

表6列出了正文效率图表所对应的配置；其中的$G/H/R$列记录了每种配置的锚点、手部及输出速率。图10在固定参数、分辨率和窗口长度的条件下，对全局步长进行了消融实验，同时报告了手部速率的吞吐量、延迟以及峰值内存；各步长下的重建精度详见附录I。计时使用的是一台

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配备500帧测量数据的NVIDIA H20，并遵循原始测量报告；PAD-Hand包含其所需的WiLoR前置条件。ContactOpt和S $^{2}$Contact需要利用真实的手部几何信息、物体网格以及物体6自由度位姿，因此它们不纳入吞吐量比较范畴。

## D 评估指标与排名规则

本节对实验设置中给出的指标摘要进行了补充：我们说明了在测量误差前如何对齐各种几何变体的预测结果与真实值，以及接触分数和可见性分数是如何计算的。设$\hat{X}$和X分别表示某个窗口内的预测点与真实点，N为有效点的数量。几何指标以毫米为单位进行报告，其中关节采用平均关节位置误差（MPJPE），顶点采用平均顶点位置误差（MPVPE），且每种变体在测量误差前均采用固定的对齐方式。

评估协议。常规评估使用2,378个随机选取的窗口，每个窗口为2秒（60帧）的片段，其帧率保持为数据集的原始帧率。这些窗口从六个数据集（H2O、HOT3D Aria、ARCTIC、OakInk-v2、TACO和HOI4D）中按固定比例抽取，且与训练集不重叠；序列内的片段互不重叠，抽取比例也限制了评估成本。为了控制评估成本，Dyn-HaMR和InteractVLM分别在各自随机抽取的100个窗口子集上进行评估，并与在同一窗口上计算的EgoFound3R结果配对；这对结果仅在配对内部进行排名，详见附录H。

表7：数据集划分。训练集统计的是训练分区中的源序列数量；评估集统计的是按照通用协议从测试分区中抽取的2秒窗口数量。STERA-10M仅提供训练数据。

<table border=1 style='margin: auto; word-wrap: break-word;'><tr><td style='text-align: center; word-wrap: break-word;'>Dataset</td><td style='text-align: center; word-wrap: break-word;'>Train sequences</td><td style='text-align: center; word-wrap: break-word;'>Eval clips</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>OakInk-v2</td><td style='text-align: center; word-wrap: break-word;'>565</td><td style='text-align: center; word-wrap: break-word;'>400</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>TACO</td><td style='text-align: center; word-wrap: break-word;'>839</td><td style='text-align: center; word-wrap: break-word;'>400</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>HOI4D</td><td style='text-align: center; word-wrap: break-word;'>1,431</td><td style='text-align: center; word-wrap: break-word;'>461</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>$H_{2}O$</td><td style='text-align: center; word-wrap: break-word;'>138</td><td style='text-align: center; word-wrap: break-word;'>283</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>HOT3D Aria</td><td style='text-align: center; word-wrap: break-word;'>136</td><td style='text-align: center; word-wrap: break-word;'>400</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>ARCTIC</td><td style='text-align: center; word-wrap: break-word;'>226</td><td style='text-align: center; word-wrap: break-word;'>434</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>STERA-10M</td><td style='text-align: center; word-wrap: break-word;'>all</td><td style='text-align: center; word-wrap: break-word;'>-</td></tr></table>

原始误差与根节点相对误差。原始误差是指未经对齐的误差，即在无需进行相似性对齐的情况下，将预测结果与真实值转换到同一窗口坐标系后计算得出的误差。根节点相对误差则是在评估前从预测结果与真实值中扣除根节点平移量（此处指手腕位置），从而仅测量关节或顶点的相对运动情况。

对齐误差。PA（Procrustes对齐）通过Procrustes分析为每一帧计算一个相似变换，并报告对齐后的残差，从而独立地消除每帧中的全局旋转、平移和缩放。而Sim(3)则是为每个窗口估计一个单一的相似变换，并将其应用于该窗口内的所有帧，这样既能保留窗口内的运动特性，又能消除窗口级别的缩放和旋转。

世界坐标误差。W（世界坐标）方法会在将预测结果通过相机位姿映射到世界坐标系后，评估手部的各点位置：采用自身轨迹预测的方法会使用其预测的相机参数，而没有预测相机参数的相机空间法则会退而使用真实的外部参数，这类方法在表中标记为†。随后，两种指标都会从预测的手部点到真实手部点之间拟合出一个Sim(3)变换：对于前两个有效帧采用W指标，将该变换应用于整个窗口；而对于窗口内所有有效的手部点则采用WA指标，这样既能消除重建手部轨迹的全局漂移，又能保留局部运动特性。对于W和WA指标，表中标记为†的方法使用的是真实外部参数，其排名会与使用预测外部参数的方法分开；‡标记的是在接收真实相机内参的同时仍预测外部参数的我们的模型；上标用于标识100窗口子集，局部指标则统一排名。

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接触与可见性。接触情况是逐手部点评估的，也就是针对每个关节或顶点，在对所有点进行汇总之前完成评估。精确度为TP/(TP + FP)，召回率为TP/(TP + FN)，F1值为二者的调和平均值$2PR/(P + R)$；这三个指标都是无量纲分数，详见[^0]和[^1]，且针对关节、原始顶点以及插值顶点均采用相同的标签进行计算。分数先按窗口计算，再取窗口间的平均值，因此报告的F1值是各窗口F1值的平均值，而非报告的精确度与召回率的调和平均值。表13中的阈值扫描是个例外：其AP和最佳F1值是将数据集中的所有点合并计算，而F1@0.5列则重复显示窗口平均值。可见性指标对二值的逐点可见性标签采用相同的三种定义。距离指的是手部点到标注物体或对手表面之间的距离，表中报告的是所有有效查询点的平均绝对误差（MAE，单位：毫米）：包括MAE(All)、有预测接触点的MAE(Pred)以及有真实接触点的MAE(GT)。在所示精确度下的最佳值和次佳值分别以粗体和下划线标示，颜色分别为浅蓝色和琥珀色，并列情况共享相同标记。短横线表示指标未定义。如附录H所述，基于100窗口子集评估的行仅在其对应组内排名。表中用以下符号作为列标题：针对关节和顶点的Raw、RR、PA、Sim(3)、W和WA，针对接触与可见性的P、R和F1。

## E 额外的手部几何评估

表8报告了OakInk-v2、TACO和HOI4D数据集上21个关节处的手部几何误差（MPJPE），以及原始195顶点和插值778顶点表面的误差（MPVPE），以此补充正文中的关节对比结果。不同分辨率下的排名与关节对比结果一致：EgoFound3R在无对齐、根节点相对以及世界坐标指标中均表现最优。这195个点是随Mesh Graphormer（Lin等人，2021年）一同发布的固定一级MANO采样点，是通过独热矩阵从778个MANO顶点中选出的子集；我们的778顶点结果是利用同一版本中提供的匹配上采样矩阵从它们推导而来的。

<div style="text-align: center;">Table 8: Hand geometry on OakInk-v2, TACO, and HOI4D in mm at 21 joints and 195/778 vertices; marks follow Table 1.</div>

<table border=1 style='margin: auto; word-wrap: break-word;'><tr><td rowspan="2">Method</td><td colspan="6">21 joints: MPJPE</td><td colspan="6">195 vertices: MPVPE</td><td colspan="6">778 vertices: MPVPE</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>Raw $\downarrow$</td><td style='text-align: center; word-wrap: break-word;'>RR $\downarrow$</td><td style='text-align: center; word-wrap: break-word;'>PA $\downarrow$</td><td style='text-align: center; word-wrap: break-word;'>Sim(3) $\downarrow$</td><td style='text-align: center; word-wrap: break-word;'>W $\downarrow$</td><td style='text-align: center; word-wrap: break-word;'>WA $\downarrow$</td><td style='text-align: center; word-wrap: break-word;'>Raw $\downarrow$</td><td style='text-align: center; word-wrap: break-word;'>RR $\downarrow$</td><td style='text-align: center; word-wrap: break-word;'>PA $\downarrow$</td><td style='text-align: center; word-wrap: break-word;'>Sim(3) $\downarrow$</td><td style='text-align: center; word-wrap: break-word;'>W $\downarrow$</td><td style='text-align: center; word-wrap: break-word;'>WA $\downarrow$</td><td style='text-align: center; word-wrap: break-word;'>Raw $\downarrow$</td><td style='text-align: center; word-wrap: break-word;'>RR $\downarrow$</td><td style='text-align: center; word-wrap: break-word;'>PA $\downarrow$</td><td style='text-align: center; word-wrap: break-word;'>Sim(3) $\downarrow$</td><td style='text-align: center; word-wrap: break-word;'>W $\downarrow$</td><td style='text-align: center; word-wrap: break-word;'>WA $\downarrow$</td></tr><tr><td colspan="19">OakInk-v2</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>WiLoR $^{\dagger}$</td><td style='text-align: center; word-wrap: break-word;'>91.24</td><td style='text-align: center; word-wrap: break-word;'>27.66</td><td style='text-align: center; word-wrap: break-word;'>7.78</td><td style='text-align: center; word-wrap: break-word;'>16.89</td><td style='text-align: center; word-wrap: break-word;'>42.14</td><td style='text-align: center; word-wrap: break-word;'>17.04</td><td style='text-align: center; word-wrap: break-word;'>91.16</td><td style='text-align: center; word-wrap: break-word;'>26.00</td><td style='text-align: center; word-wrap: break-word;'>7.55</td><td style='text-align: center; word-wrap: break-word;'>16.90</td><td style='text-align: center; word-wrap: break-word;'>41.84</td><td style='text-align: center; word-wrap: break-word;'>17.06</td><td style='text-align: center; word-wrap: break-word;'>91.46</td><td style='text-align: center; word-wrap: break-word;'>26.78</td><td style='text-align: center; word-wrap: break-word;'>7.44</td><td style='text-align: center; word-wrap: break-word;'>16.82</td><td style='text-align: center; word-wrap: break-word;'>42.02</td><td style='text-align: center; word-wrap: break-word;'>16.97</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>PAD-Hand $^{\dagger}$</td><td style='text-align: center; word-wrap: break-word;'>107.16</td><td style='text-align: center; word-wrap: break-word;'>32.23</td><td style='text-align: center; word-wrap: break-word;'>9.63</td><td style='text-align: center; word-wrap: break-word;'>21.37</td><td style='text-align: center; word-wrap: break-word;'>49.01</td><td style='text-align: center; word-wrap: break-word;'>21.62</td><td style='text-align: center; word-wrap: break-word;'>106.47</td><td style='text-align: center; word-wrap: break-word;'>30.03</td><td style='text-align: center; word-wrap: break-word;'>9.32</td><td style='text-align: center; word-wrap: break-word;'>21.15</td><td style='text-align: center; word-wrap: break-word;'>47.23</td><td style='text-align: center; word-wrap: break-word;'>21.40</td><td style='text-align: center; word-wrap: break-word;'>106.98</td><td style='text-align: center; word-wrap: break-word;'>30.79</td><td style='text-align: center; word-wrap: break-word;'>9.12</td><td style='text-align: center; word-wrap: break-word;'>21.02</td><td style='text-align: center; word-wrap: break-word;'>47.41</td><td style='text-align: center; word-wrap: break-word;'>21.26</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>EgoForce $^{\dagger}$</td><td style='text-align: center; word-wrap: break-word;'>123.57</td><td style='text-align: center; word-wrap: break-word;'>47.75</td><td style='text-align: center; word-wrap: break-word;'>11.09</td><td style='text-align: center; word-wrap: break-word;'>32.62</td><td style='text-align: center; word-wrap: break-word;'>80.59</td><td style='text-align: center; word-wrap: break-word;'>33.10</td><td style='text-align: center; word-wrap: break-word;'>123.63</td><td style='text-align: center; word-wrap: break-word;'>45.07</td><td style='text-align: center; word-wrap: break-word;'>10.95</td><td style='text-align: center; word-wrap: break-word;'>33.19</td><td style='text-align: center; word-wrap: break-word;'>81.00</td><td style='text-align: center; word-wrap: break-word;'>33.65</td><td style='text-align: center; word-wrap: break-word;'>123.95</td><td style='text-align: center; word-wrap: break-word;'>45.82</td><td style='text-align: center; word-wrap: break-word;'>10.64</td><td style='text-align: center; word-wrap: break-word;'>32.93</td><td style='text-align: center; word-wrap: break-word;'>81.19</td><td style='text-align: center; word-wrap: break-word;'>33.40</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>EgoFound3R $^{\dagger}$</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>27.49</td><td style='text-align: center; word-wrap: break-word;'>17.89</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>27.79</td><td style='text-align: center; word-wrap: break-word;'>18.07</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>28.53</td><td style='text-align: center; word-wrap: break-word;'>18.76</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>Dyn-HaMR $^{100w}$</td><td style='text-align: center; word-wrap: break-word;'>96.39</td><td style='text-align: center; word-wrap: break-word;'>17.91</td><td style='text-align: center; word-wrap: break-word;'>7.84</td><td style='text-align: center; word-wrap: break-word;'>13.76</td><td style='text-align: center; word-wrap: break-word;'>36.16</td><td style='text-align: center; word-wrap: break-word;'>17.19</td><td style='text-align: center; word-wrap: break-word;'>95.78</td><td style='text-align: center; word-wrap: break-word;'>16.87</td><td style='text-align: center; word-wrap: break-word;'>7.67</td><td style='text-align: center; word-wrap: break-word;'>13.73</td><td style='text-align: center; word-wrap: break-word;'>35.84</td><td style='text-align: center; word-wrap: break-word;'>17.20</td><td style='text-align: center; word-wrap: break-word;'>95.94</td><td style='text-align: center; word-wrap: break-word;'>17.22</td><td style='text-align: center; word-wrap: break-word;'>7.56</td><td style='text-align: center; word-wrap: break-word;'>13.62</td><td style='text-align: center; word-wrap: break-word;'>35.90</td><td style='text-align: center; word-wrap: break-word;'>17.06</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>HaWoR</td><td style='text-align: center; word-wrap: break-word;'>174.73</td><td style='text-align: center; word-wrap: break-word;'>45.85</td><td style='text-align: center; word-wrap: break-word;'>9.49</td><td style='text-align: center; word-wrap: break-word;'>32.19</td><td style='text-align: center; word-wrap: break-word;'>100.46</td><td style='text-align: center; word-wrap: break-word;'>37.47</td><td style='text-align: center; word-wrap: break-word;'>172.35</td><td style='text-align: center; word-wrap: break-word;'>42.56</td><td style='text-align: center; word-wrap: break-word;'>9.54</td><td style='text-align: center; word-wrap: break-word;'>32.32</td><td style='text-align: center; word-wrap: break-word;'>100.62</td><td style='text-align: center; word-wrap: break-word;'>37.78</td><td style='text-align: center; word-wrap: break-word;'>173.68</td><td style='text-align: center; word-wrap: break-word;'>44.08</td><td style='text-align: center; word-wrap: break-word;'>9.24</td><td style='text-align: center; word-wrap: break-word;'>32.19</td><td style='text-align: center; word-wrap: break-word;'>100.83</td><td style='text-align: center; word-wrap: break-word;'>37.59</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>EgoFound3R</td><td style='text-align: center; word-wrap: break-word;'>51.81</td><td style='text-align: center; word-wrap: break-word;'>17.77</td><td style='text-align: center; word-wrap: break-word;'>8.02</td><td style='text-align: center; word-wrap: break-word;'>17.87</td><td style='text-align: center; word-wrap: break-word;'>30.88</td><td style='text-align: center; word-wrap: break-word;'>18.77</td><td style='text-align: center; word-wrap: break-word;'>51.40</td><td style='text-align: center; word-wrap: break-word;'>17.11</td><td style='text-align: center; word-wrap: break-word;'>7.96</td><td style='text-align: center; word-wrap: break-word;'>18.05</td><td style='text-align: center; word-wrap: break-word;'>31.32</td><td style='text-align: center; word-wrap: break-word;'>18.98</td><td style='text-align: center; word-wrap: break-word;'>51.64</td><td style='text-align: center; word-wrap: break-word;'>18.37</td><td style='text-align: center; word-wrap: break-word;'>8.98</td><td style='text-align: center; word-wrap: break-word;'>18.75</td><td style='text-align: center; word-wrap: break-word;'>31.99</td><td style='text-align: center; word-wrap: break-word;'>19.63</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>EgoFound3R $^{\ddagger}$</td><td style='text-align: center; word-wrap: break-word;'>39.45</td><td style='text-align: center; word-wrap: break-word;'>17.84</td><td style='text-align: center; word-wrap: break-word;'>8.04</td><td style='text-align: center; word-wrap: break-word;'>18.01</td><td style='text-align: center; word-wrap: break-word;'>31.56</td><td style='text-align: center; word-wrap: break-word;'>18.94</td><td style='text-align: center; word-wrap: break-word;'>39.28</td><td style='text-align: center; word-wrap: break-word;'>17.18</td><td style='text-align: center; word-wrap: break-word;'>7.98</td><td style='text-align: center; word-wrap: break-word;'>18.21</td><td style='text-align: center; word-wrap: break-word;'>32.03</td><td style='text-align: center; word-wrap: break-word;'>19.17</td><td style='text-align: center; word-wrap: break-word;'>39.53</td><td style='text-align: center; word-wrap: break-word;'>18.44</td><td style='text-align: center; word-wrap: break-word;'>9.01</td><td style='text-align: center; word-wrap: break-word;'>18.88</td><td style='text-align: center; word-wrap: break-word;'>32.58</td><td style='text-align: center; word-wrap: break-word;'>19.80</td></tr><tr><td colspan="19">TACO</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>WiLoR $^{\dagger}$</td><td style='text-align: center; word-wrap: break-word;'>70.40</td><td style='text-align: center; word-wrap: break-word;'>28.33</td><td style='text-align: center; word-wrap: break-word;'>9.49</td><td style='text-align: center; word-wrap: break-word;'>25.95</td><td style='text-align: center; word-wrap: break-word;'>51.14</td><td style='text-align: center; word-wrap: break-word;'>26.14</td><td style='text-align: center; word-wrap: break-word;'>69.91</td><td style='text-align: center; word-wrap: break-word;'>26.94</td><td style='text-align: center; word-wrap: break-word;'>9.87</td><td style='text-align: center; word-wrap: break-word;'>26.11</td><td style='text-align: center; word-wrap: break-word;'>50.71</td><td style='text-align: center; word-wrap: break-word;'>26.29</td><td style='text-align: center; word-wrap: break-word;'>70.13</td><td style='text-align: center; word-wrap: break-word;'>27.30</td><td style='text-align: center; word-wrap: break-word;'>9.72</td><td style='text-align: center; word-wrap: break-word;'>26.02</td><td style='text-align: center; word-wrap: break-word;'>50.52</td><td style='text-align: center; word-wrap: break-word;'>26.20</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>PAD-Hand $^{\dagger}$</td><td style='text-align: center; word-wrap: break-word;'>72.97</td><td style='text-align: center; word-wrap: break-word;'>30.30</td><td style='text-align: center; word-wrap: break-word;'>11.19</td><td style='text-align: center; word-wrap: break-word;'>29.21</td><td style='text-align: center; word-wrap: break-word;'>57.06</td><td style='text-align: center; word-wrap: break-word;'>29.60</td><td style='text-align: center; word-wrap: break-word;'>72.45</td><td style='text-align: center; word-wrap: break-word;'>29.03</td><td style='text-align: center; word-wrap: break-word;'>10.84</td><td style='text-align: center; word-wrap: break-word;'>28.74</td><td style='text-align: center; word-wrap: break-word;'>54.03</td><td style='text-align: center; word-wrap: break-word;'>29.15</td><td style='text-align: center; word-wrap: break-word;'>72.73</td><td style='text-align: center; word-wrap: break-word;'>29.32</td><td style='text-align: center; word-wrap: break-word;'>10.64</td><td style='text-align: center; word-wrap: break-word;'>28.64</td><td style='text-align: center; word-wrap: break-word;'>54.50</td><td style='text-align: center; word-wrap: break-word;'>29.06</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>EgoForce $^{\dagger}$</td><td style='text-align: center; word-wrap: break-word;'>126.63</td><td style='text-align: center; word-wrap: break-word;'>44.53</td><td style='text-align: center; word-wrap: break-word;'>11.93</td><td style='text-align: center; word-wrap: break-word;'>47.84</td><td style='text-align: center; word-wrap: break-word;'>105.52</td><td style='text-align: center; word-wrap: break-word;'>46.65</td><td style='text-align: center; word-wrap: break-word;'>126.58</td><td style='text-align: center; word-wrap: break-word;'>41.99</td><td style='text-align: center; word-wrap: break-word;'>12.18</td><td style='text-align: center; word-wrap: break-word;'>48.41</td><td style='text-align: center; word-wrap: break-word;'>106.20</td><td style='text-align: center; word-wrap: break-word;'>47.28</td><td style='text-align: center; word-wrap: break-word;'>126.83</td><td style='text-align: center; word-wrap: break-word;'>42.56</td><td style='text-align: center; word-wrap: break-word;'>11.89</td><td style='text-align: center; word-wrap: break-word;'>48.06</td><td style='text-align: center; word-wrap: break-word;'>106.11</td><td style='text-align: center; word-wrap: break-word;'>46.92</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>EgoFound3R $^{\dagger}$</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>36.68</td><td style='text-align: center; word-wrap: break-word;'>24.06</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>37.47</td><td style='text-align: center; word-wrap: break-word;'>24.45</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>38.18</td><td style='text-align: center; word-wrap: break-word;'>25.37</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>Dyn-HaMR $^{100w}$</td><td style='text-align: center; word-wrap: break-word;'>127.12</td><td style='text-align: center; word-wrap: break-word;'>27.47</td><td style='text-align: center; word-wrap: break-word;'>11.62</td><td style='text-align: center; word-wrap: break-word;'>29.27</td><td style='text-align: center; word-wrap: break-word;'>77.88</td><td style='text-align: center; word-wrap: break-word;'>31.46</td><td style='text-align: center; word-wrap: break-word;'>127.79</td><td style='text-align: center; word-wrap: break-word;'>26.04</td><td style='text-align: center; word-wrap: break-word;'>11.55</td><td style='text-align: center; word-wrap: break-word;'>29.49</td><td style='text-align: center; word-wrap: break-word;'>78.23</td><td style='text-align: center; word-wrap: break-word;'>31.82</td><td style='text-align: center; word-wrap: break-word;'>127.94</td><td style='text-align: center; word-wrap: break-word;'>26.33</td><td style='text-align: center; word-wrap: break-word;'>11.46</td><td style='text-align: center; word-wrap: break-word;'>29.45</td><td style='text-align: center; word-wrap: break-word;'>78.09</td><td style='text-align: center; word-wrap: break-word;'>31.73</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>HaWoR</td><td style='text-align: center; word-wrap: break-word;'>74.28</td><td style='text-align: center; word-wrap: break-word;'>24.19</td><td style='text-align: center; word-wrap: break-word;'>10.55</td><td style='text-align: center; word-wrap: break-word;'>27.71</td><td style='text-align: center; word-wrap: break-word;'>86.38</td><td style='text-align: center; word-wrap: break-word;'>35.34</td><td style='text-align: center; word-wrap: break-word;'>73.75</td><td style='text-align: center; word-wrap: break-word;'>23.02</td><td style='text-align: center; word-wrap: break-word;'>10.99</td><td style='text-align: center; word-wrap: break-word;'>27.91</td><td style='text-align: center; word-wrap: break-word;'>86.78</td><td style='text-align: center; word-wrap: break-word;'>35.81</td><td style='text-align: center; word-wrap: break-word;'>74.05</td><td style='text-align: center; word-wrap: break-word;'>23.26</td><td style='text-align: center; word-wrap: break-word;'>10.71</td><td style='text-align: center; word-wrap: break-word;'>27.74</td><td style='text-align: center; word-wrap: break-word;'>86.63</td><td style='text-align: center; word-wrap: break-word;'>35.53</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>EgoFound3R</td><td style='text-align: center; word-wrap: break-word;'>54.64</td><td style='text-align: center; word-wrap: break-word;'>18.54</td><td style='text-align: center; word-wrap: break-word;'>8.13</td><td style='text-align: center; word-wrap: break-word;'>24.15</td><td style='text-align: center; word-wrap: break-word;'>40.03</td><td style='text-align: center; word-wrap: break-word;'>25.16</td><td style='text-align: center; word-wrap: break-word;'>53.76</td><td style='text-align: center; word-wrap: break-word;'>18.36</td><td style='text-align: center; word-wrap: break-word;'>8.67</td><td style='text-align: center; word-wrap: break-word;'>24.49</td><td style='text-align: center; word-wrap: break-word;'>40.69</td><td style='text-align: center; word-wrap: break-word;'>25.55</td><td style='text-align: center; word-wrap: break-word;'>54.03</td><td style='text-align: center; word-wrap: break-word;'>19.91</td><td style='text-align: center; word-wrap: break-word;'>10.19</td><td style='text-align: center; word-wrap: break-word;'>25.39</td><td style='text-align: center; word-wrap: break-word;'>41.36</td><td style='text-align: center; word-wrap: break-word;'>26.42</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>EgoFound3R $^{\ddagger}$</td><td style='text-align: center; word-wrap: break-word;'>50.44</td><td style='text-align: center; word-wrap: break-word;'>18.52</td><td style='text-align: center; word-wrap: break-word;'>8.13</td><td style='text-align: center; word-wrap: break-word;'>24.63</td><td style='text-align: center; word-wrap: break-word;'>41.78</td><td style='text-align: center; word-wrap: break-word;'>25.75</td><td style='text-align: center; word-wrap: break-word;'>50.61</td><td style='text-align: center; word-wrap: break-word;'>18.36</td><td style='text-align: center; word-wrap: break-word;'>8.67</td><td style='text-align: center; word-wrap: break-word;'>25.03</td><td style='text-align: center; word-wrap: break-word;'>42.68</td><td style='text-align: center; word-wrap: break-word;'>26.20</td><td style='text-align: center; word-wrap: break-word;'>51.54</td><td style='text-align: center; word-wrap: break-word;'>19.99</td><td style='text-align: center; word-wrap: break-word;'>10.31</td><td style='text-align: center; word-wrap: break-word;'>25.98</td><td style='text-align: center; word-wrap: break-word;'>43.22</td><td style='text-align: center; word-wrap: break-word;'>27.11</td></tr><tr><td colspan="19">HOI4D</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>WiLoR $^{\dagger}$</td><td style='text-align: center; word-wrap: break-word;'>81.51</td><td style='text-align: center; word-wrap: break-word;'>27.75</td><td style='text-align: center; word-wrap: break-word;'>9.62</td><td style='text-align: center; word-wrap: break-word;'>24.14</td><td style='text-align: center; word-wrap: break-word;'>49.41</td><td style='text-align: center; word-wrap: break-word;'>24.57</td><td style='text-align: center; word-wrap: break-word;'>81.34</td><td style='text-align: center; word-wrap: break-word;'>26.40</td><td style='text-align: center; word-wrap: break-word;'>9.61</td><td style='text-align: center; word-wrap: break-word;'>24.25</td><td style='text-align: center; word-wrap: break-word;'>48.78</td><td style='text-align: center; word-wrap: break-word;'>24.64</td><td style='text-align: center; word-wrap: break-word;'>82.08</td><td style='text-align: center; word-wrap: break-word;'>26.69</td><td style='text-align: center; word-wrap: break-word;'>9.51</td><td style='text-align: center; word-wrap: break-word;'>24.14</td><td style='text-align: center; word-wrap: break-word;'>48.80</td><td style='text-align: center; word-wrap: break-word;'>24.56</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>PAD-Hand $^{\dagger}$</td><td style='text-align: center; word-wrap: break-word;'>75.35</td><td style='text-align: center; word-wrap: break-word;'>29.77</td><td style='text-align: center; word-wrap: break-word;'>10.12</td><td style='text-align: center; word-wrap: break-word;'>24.79</td><td style='text-align: center; word-wrap: break-word;'>51.92</td><td style='text-align: center; word-wrap: break-word;'>25.04</td><td style='text-align: center; word-wrap: break-word;'>74.91</td><td style='text-align: center; word-wrap: break-word;'>28.68</td><td style='text-align: center; word-wrap: break-word;'>9.83</td><td style='text-align: center; word-wrap: break-word;'>24.65</td><td style='text-align: center; word-wrap: break-word;'>50.73</td><td style='text-align: center; word-wrap: break-word;'>24.93</td><td style='text-align: center; word-wrap: break-word;'>75.80</td><td style='text-align: center; word-wrap: break-word;'>28.92</td><td style='text-align: center; word-wrap: break-word;'>9.71</td><td style='text-align: center; word-wrap: break-word;'>24.54</td><td style='text-align: center; word-wrap: break-word;'>50.68</td><td style='text-align: center; word-wrap: break-word;'>24.83</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>EgoForce $^{\dagger}$</td><td style='text-align: center; word-wrap: break-word;'>147.77</td><td style='text-align: center; word-wrap: break-word;'>52.78</td><td style='text-align: center; word-wrap: break-word;'>12.92</td><td style='text-align: center; word-wrap: break-word;'>49.22</td><td style='text-align: center; word-wrap: break-word;'>142.58</td><td style='text-align: center; word-wrap: break-word;'>55.76</td><td style='text-align: center; word-wrap: break-word;'>147.13</td><td style='text-align: center; word-wrap: break-word;'>50.29</td><td style='text-align: center; word-wrap: break-word;'>12.93</td><td style='text-align: center; word-wrap: break-word;'>50.26</td><td style='text-align: center; word-wrap: break-word;'>143.30</td><td style='text-align: center; word-wrap: break-word;'>56.49</td><td style='text-align: center; word-wrap: break-word;'>147.64</td><td style='text-align: center; word-wrap: break-word;'>50.75</td><td style='text-align: center; word-wrap: break-word;'>12.56</td><td style='text-align: center; word-wrap: break-word;'>49.81</td><td style='text-align: center; word-wrap: break-word;'>142.96</td><td style='text-align: center; word-wrap: break-word;'>56.10</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>EgoFound3R $^{\dagger}$</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>63.01</td><td style='text-align: center; word-wrap: break-word;'>23.30</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>63.02</td><td style='text-align: center; word-wrap: break-word;'>23.56</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>63.62</td><td style='text-align: center; word-wrap: break-word;'>24.72</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>Dyn-HaMR $^{100w}$</td><td style='text-align: center; word-wrap: break-word;'>245.06</td><td style='text-align: center; word-wrap: break-word;'>26.49</td><td style='text-align: center; word-wrap: break-word;'>11.89</td><td style='text-align: center; word-wrap: break-word;'>30.47</td><td style='text-align: center; word-wrap: break-word;'>173.62</td><td style='text-align: center; word-wrap: break-word;'>65.71</td><td style='text-align: center; word-wrap: break-word;'>245.09</td><td style='text-align: center; word-wrap: break-word;'>25.53</td><td style='text-align: center; word-wrap: break-word;'>12.28</td><td style='text-align: center; word-wrap: break-word;'>30.99</td><td style='text-align: center; word-wrap: break-word;'>173.69</td><td style='text-align: center; word-wrap: break-word;'>66.73</td><td style='text-align: center; word-wrap: break-word;'>245.58</td><td style='text-align: center; word-wrap: break-word;'>25.77</td><td style='text-align: center; word-wrap: break-word;'>12.01</td><td style='text-align: center; word-wrap: break-word;'>30.74</td><td style='text-align: center; word-wrap: break-word;'>173.51</td><td style='text-align: center; word-wrap: break-word;'>66.03</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>HaWoR</td><td style='text-align: center; word-wrap: break-word;'>53.46</td><td style='text-align: center; word-wrap: break-word;'>28.47</td><td style='text-align: center; word-wrap: break-word;'>10.49</td><td style='text-align: center; word-wrap: break-word;'>27.85</td><td style='text-align: center; word-wrap: break-word;'>171.09</td><td style='text-align: center; word-wrap: break-word;'>55.96</td><td style='text-align: center; word-wrap: break-word;'>53.11</td><td style='text-align: center; word-wrap: break-word;'>26.53</td><td style='text-align: center; word-wrap: break-word;'>10.38</td><td style='text-align: center; word-wrap: break-word;'>27.73</td><td style='text-align: center; word-wrap: break-word;'>170.80</td><td style='text-align: center; word-wrap: break-word;'>56.69</td><td style='text-align: center; word-wrap: break-word;'>53.30</td><td style='text-align: center; word-wrap: break-word;'>27.33</td><td style='text-align: center; word-wrap: break-word;'>10.19</td><td style='text-align: center; word-wrap: break-word;'>27.67</td><td style='text-align: center; word-wrap: break-word;'>170.58</td><td style='text-align: center; word-wrap: break-word;'>56.31</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>EgoFound3R</td><td style='text-align: center; word-wrap: break-word;'>47.28</td><td style='text-align: center; word-wrap: break-word;'>16.63</td><td style='text-align: center; word-wrap: break-word;'>7.99</td><td style='text-align: center; word-wrap: break-word;'>23.29</td><td style='text-align: center; word-wrap: break-word;'>159.70</td><td style='text-align: center; word-wrap: break-word;'>49.84</td><td style='text-align: center; word-wrap: break-word;'>48.46</td><td style='text-align: center; word-wrap: break-word;'>16.20</td><td style='text-align: center; word-wrap: break-word;'>8.29</td><td style='text-align: center; word-wrap: break-word;'>23.60</td><td style='text-align: center; word-wrap: break-word;'>160.03</td><td style='text-align: center; word-wrap: break-word;'>50.68</td><td style='text-align: center; word-wrap: break-word;'>49.72</td><td style='text-align: center; word-wrap: break-word;'>18.06</td><td style='text-align: center; word-wrap: break-word;'>10.16</td><td style='text-align: center; word-wrap: break-word;'>24.75</td><td style='text-align: center; word-wrap: break-word;'>160.98</td><td style='text-align: center; word-wrap: break-word;'>50.85</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>EgoFound3R $^{\ddagger}$</td><td style='text-align: center; word-wrap: break-word;'>43.43</td><td style='text-align: center; word-wrap: break-word;'>16.67</td><td style='text-align: center; word-wrap: break-word;'>8.00</td><td style='text-align: center; word-wrap: break-word;'>23.39</td><td style='text-align: center; word-wrap: break-word;'>159.18</td><td style='text-align: center; word-wrap: break-word;'>49.77</td><td style='text-align: center; word-wrap: break-word;'>44.20</td><td style='text-align: center; word-wrap: break-word;'>16.24</td><td style='text-align: center; word-wrap: break-word;'>8.31</td><td style='text-align: center; word-wrap: break-word;'>23.78</td><td style='text-align: center; word-wrap: break-word;'>159.74</td><td style='text-align: center; word-wrap: break-word;'>50.65</td><td style='text-align: center; word-wrap: break-word;'>45.50</td><td style='text-align: center; word-wrap: break-word;'>18.09</td><td style='text-align: center; word-wrap: break-word;'>10.17</td><td style='text-align: center; word-wrap: break-word;'>24.91</td><td style='text-align: center; word-wrap: break-word;'>160.62</td><td style='text-align: center; word-wrap: break-word;'>50.80</td></tr></table>

## F 时序评估

速度（MPJVE/MPMVE/MPVVE，单位为毫米/秒）和加速度（MPJAE/MPMAE/MPVAE，单位为m/s $^{2}$）误差反映了恢复后的轨迹与真实运动轨迹的吻合程度。

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在包含21个关节、195个顶点以及完整的778个顶点的MANO网格上，表9对比了EgoFound3R与手部基线模型在三个评估子集上的表现；表10则在Dyn-HaMR共享的100窗口匹配子集上重复了这一对比。ReViV仅能预测关节信息，因此其针对195顶点和778顶点子集的结果无法获取，而我们给出的时间相关数值来自对步长为5的配置进行默认推理后重新运行的结果。

<div style="text-align: center;">Table 9: Temporal consistency on OakInk-v2, TACO, and HOI4D. Velocity (MPJVE/MPMVE/MPVVE) and acceleration (MPJAE/MPMAE/MPVAE) errors at 21 joints, 195 vertices, and 778 vertices are in mm/s and m/s $^{2}$; marks follow Table 1.</div>

<table border=1 style='margin: auto; word-wrap: break-word;'><tr><td rowspan="2">Method</td><td colspan="2">21 joints</td><td colspan="2">195 vertices</td><td colspan="2">778 vertices</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>MPJVE $\downarrow$</td><td style='text-align: center; word-wrap: break-word;'>MPJAE $\downarrow$</td><td style='text-align: center; word-wrap: break-word;'>MPMVE $\downarrow$</td><td style='text-align: center; word-wrap: break-word;'>MPMAE $\downarrow$</td><td style='text-align: center; word-wrap: break-word;'>MPVVE $\downarrow$</td><td style='text-align: center; word-wrap: break-word;'>MPVAE $\downarrow$</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>OakInk-v2</td><td style='text-align: center; word-wrap: break-word;'></td><td style='text-align: center; word-wrap: break-word;'></td><td style='text-align: center; word-wrap: break-word;'></td><td style='text-align: center; word-wrap: break-word;'></td><td style='text-align: center; word-wrap: break-word;'></td><td style='text-align: center; word-wrap: break-word;'></td></tr><tr><td style='text-align: center; word-wrap: break-word;'>WiLoR $^{\dagger}$</td><td style='text-align: center; word-wrap: break-word;'>116.81</td><td style='text-align: center; word-wrap: break-word;'>4.66</td><td style='text-align: center; word-wrap: break-word;'>110.07</td><td style='text-align: center; word-wrap: break-word;'>4.38</td><td style='text-align: center; word-wrap: break-word;'>112.47</td><td style='text-align: center; word-wrap: break-word;'>4.49</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>PAD-Hand $^{\dagger}$</td><td style='text-align: center; word-wrap: break-word;'>124.78</td><td style='text-align: center; word-wrap: break-word;'>4.29</td><td style='text-align: center; word-wrap: break-word;'>118.80</td><td style='text-align: center; word-wrap: break-word;'>4.08</td><td style='text-align: center; word-wrap: break-word;'>120.99</td><td style='text-align: center; word-wrap: break-word;'>4.16</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>EgoForce $^{\dagger}$</td><td style='text-align: center; word-wrap: break-word;'>258.44</td><td style='text-align: center; word-wrap: break-word;'>12.11</td><td style='text-align: center; word-wrap: break-word;'>242.73</td><td style='text-align: center; word-wrap: break-word;'>11.35</td><td style='text-align: center; word-wrap: break-word;'>247.57</td><td style='text-align: center; word-wrap: break-word;'>11.58</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>HaWoR</td><td style='text-align: center; word-wrap: break-word;'>59.59</td><td style='text-align: center; word-wrap: break-word;'>2.07</td><td style='text-align: center; word-wrap: break-word;'>56.20</td><td style='text-align: center; word-wrap: break-word;'>1.96</td><td style='text-align: center; word-wrap: break-word;'>57.23</td><td style='text-align: center; word-wrap: break-word;'>1.99</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>ReViV</td><td style='text-align: center; word-wrap: break-word;'>165.72</td><td style='text-align: center; word-wrap: break-word;'>6.43</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>-</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>EgoFound3R</td><td style='text-align: center; word-wrap: break-word;'>56.55</td><td style='text-align: center; word-wrap: break-word;'>1.17</td><td style='text-align: center; word-wrap: break-word;'>54.09</td><td style='text-align: center; word-wrap: break-word;'>1.12</td><td style='text-align: center; word-wrap: break-word;'>54.29</td><td style='text-align: center; word-wrap: break-word;'>1.12</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>TACO</td><td style='text-align: center; word-wrap: break-word;'></td><td style='text-align: center; word-wrap: break-word;'></td><td style='text-align: center; word-wrap: break-word;'></td><td style='text-align: center; word-wrap: break-word;'></td><td style='text-align: center; word-wrap: break-word;'></td><td style='text-align: center; word-wrap: break-word;'></td></tr><tr><td style='text-align: center; word-wrap: break-word;'>WiLoR $^{\dagger}$</td><td style='text-align: center; word-wrap: break-word;'>138.28</td><td style='text-align: center; word-wrap: break-word;'>5.44</td><td style='text-align: center; word-wrap: break-word;'>130.00</td><td style='text-align: center; word-wrap: break-word;'>5.11</td><td style='text-align: center; word-wrap: break-word;'>132.79</td><td style='text-align: center; word-wrap: break-word;'>5.23</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>PAD-Hand $^{\dagger}$</td><td style='text-align: center; word-wrap: break-word;'>136.35</td><td style='text-align: center; word-wrap: break-word;'>4.56</td><td style='text-align: center; word-wrap: break-word;'>129.16</td><td style='text-align: center; word-wrap: break-word;'>4.33</td><td style='text-align: center; word-wrap: break-word;'>131.18</td><td style='text-align: center; word-wrap: break-word;'>4.41</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>EgoForce $^{\dagger}$</td><td style='text-align: center; word-wrap: break-word;'>453.68</td><td style='text-align: center; word-wrap: break-word;'>21.99</td><td style='text-align: center; word-wrap: break-word;'>424.57</td><td style='text-align: center; word-wrap: break-word;'>20.56</td><td style='text-align: center; word-wrap: break-word;'>433.80</td><td style='text-align: center; word-wrap: break-word;'>21.02</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>HaWoR</td><td style='text-align: center; word-wrap: break-word;'>93.13</td><td style='text-align: center; word-wrap: break-word;'>2.67</td><td style='text-align: center; word-wrap: break-word;'>87.76</td><td style='text-align: center; word-wrap: break-word;'>2.52</td><td style='text-align: center; word-wrap: break-word;'>89.10</td><td style='text-align: center; word-wrap: break-word;'>2.56</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>ReViV</td><td style='text-align: center; word-wrap: break-word;'>125.87</td><td style='text-align: center; word-wrap: break-word;'>3.02</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>-</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>EgoFound3R</td><td style='text-align: center; word-wrap: break-word;'>92.00</td><td style='text-align: center; word-wrap: break-word;'>1.87</td><td style='text-align: center; word-wrap: break-word;'>87.10</td><td style='text-align: center; word-wrap: break-word;'>1.76</td><td style='text-align: center; word-wrap: break-word;'>87.53</td><td style='text-align: center; word-wrap: break-word;'>1.77</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>HOI4D</td><td style='text-align: center; word-wrap: break-word;'></td><td style='text-align: center; word-wrap: break-word;'></td><td style='text-align: center; word-wrap: break-word;'></td><td style='text-align: center; word-wrap: break-word;'></td><td style='text-align: center; word-wrap: break-word;'></td><td style='text-align: center; word-wrap: break-word;'></td></tr><tr><td style='text-align: center; word-wrap: break-word;'>WiLoR $^{\dagger}$</td><td style='text-align: center; word-wrap: break-word;'>158.49</td><td style='text-align: center; word-wrap: break-word;'>5.99</td><td style='text-align: center; word-wrap: break-word;'>148.44</td><td style='text-align: center; word-wrap: break-word;'>5.61</td><td style='text-align: center; word-wrap: break-word;'>151.50</td><td style='text-align: center; word-wrap: break-word;'>5.73</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>PAD-Hand $^{\dagger}$</td><td style='text-align: center; word-wrap: break-word;'>145.21</td><td style='text-align: center; word-wrap: break-word;'>4.97</td><td style='text-align: center; word-wrap: break-word;'>137.02</td><td style='text-align: center; word-wrap: break-word;'>4.70</td><td style='text-align: center; word-wrap: break-word;'>139.47</td><td style='text-align: center; word-wrap: break-word;'>4.79</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>EgoForce $^{\dagger}$</td><td style='text-align: center; word-wrap: break-word;'>544.59</td><td style='text-align: center; word-wrap: break-word;'>26.48</td><td style='text-align: center; word-wrap: break-word;'>510.65</td><td style='text-align: center; word-wrap: break-word;'>24.80</td><td style='text-align: center; word-wrap: break-word;'>520.77</td><td style='text-align: center; word-wrap: break-word;'>25.31</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>HaWoR</td><td style='text-align: center; word-wrap: break-word;'>140.11</td><td style='text-align: center; word-wrap: break-word;'>4.73</td><td style='text-align: center; word-wrap: break-word;'>131.19</td><td style='text-align: center; word-wrap: break-word;'>4.42</td><td style='text-align: center; word-wrap: break-word;'>133.78</td><td style='text-align: center; word-wrap: break-word;'>4.52</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>ReViV</td><td style='text-align: center; word-wrap: break-word;'>448.65</td><td style='text-align: center; word-wrap: break-word;'>18.25</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>-</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>EgoFound3R</td><td style='text-align: center; word-wrap: break-word;'>152.69</td><td style='text-align: center; word-wrap: break-word;'>4.34</td><td style='text-align: center; word-wrap: break-word;'>144.58</td><td style='text-align: center; word-wrap: break-word;'>4.08</td><td style='text-align: center; word-wrap: break-word;'>147.84</td><td style='text-align: center; word-wrap: break-word;'>4.20</td></tr></table>

<div style="text-align: center;">Table 10: Matched 100-window temporal consistency. Dyn-HaMR and EgoFound3R are evaluated on the same windows; errors are in mm/s and m/s $^{2}$ and marks follow Table 1.</div>

<table border=1 style='margin: auto; word-wrap: break-word;'><tr><td rowspan="2">Method</td><td colspan="2">21 joints</td><td colspan="2">195 vertices</td><td colspan="2">778 vertices</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>MPJVE $\downarrow$</td><td style='text-align: center; word-wrap: break-word;'>MPJAE $\downarrow$</td><td style='text-align: center; word-wrap: break-word;'>MPMVE $\downarrow$</td><td style='text-align: center; word-wrap: break-word;'>MPMAE $\downarrow$</td><td style='text-align: center; word-wrap: break-word;'>MPVVE $\downarrow$</td><td style='text-align: center; word-wrap: break-word;'>MPVAE $\downarrow$</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>OakInk-v2</td><td style='text-align: center; word-wrap: break-word;'></td><td style='text-align: center; word-wrap: break-word;'></td><td style='text-align: center; word-wrap: break-word;'></td><td style='text-align: center; word-wrap: break-word;'></td><td style='text-align: center; word-wrap: break-word;'></td><td style='text-align: center; word-wrap: break-word;'></td></tr><tr><td style='text-align: center; word-wrap: break-word;'>Dyn-HaMR $^{{100w}}$</td><td style='text-align: center; word-wrap: break-word;'>132.68</td><td style='text-align: center; word-wrap: break-word;'>6.04</td><td style='text-align: center; word-wrap: break-word;'>130.90</td><td style='text-align: center; word-wrap: break-word;'>5.95</td><td style='text-align: center; word-wrap: break-word;'>131.84</td><td style='text-align: center; word-wrap: break-word;'>6.00</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>EgoFound3R $^{{100w,Dyn}}$</td><td style='text-align: center; word-wrap: break-word;'>63.85</td><td style='text-align: center; word-wrap: break-word;'>1.32</td><td style='text-align: center; word-wrap: break-word;'>61.40</td><td style='text-align: center; word-wrap: break-word;'>1.27</td><td style='text-align: center; word-wrap: break-word;'>61.69</td><td style='text-align: center; word-wrap: break-word;'>1.27</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>TACO</td><td style='text-align: center; word-wrap: break-word;'></td><td style='text-align: center; word-wrap: break-word;'></td><td style='text-align: center; word-wrap: break-word;'></td><td style='text-align: center; word-wrap: break-word;'></td><td style='text-align: center; word-wrap: break-word;'></td><td style='text-align: center; word-wrap: break-word;'></td></tr><tr><td style='text-align: center; word-wrap: break-word;'>Dyn-HaMR $^{{100w}}$</td><td style='text-align: center; word-wrap: break-word;'>339.05</td><td style='text-align: center; word-wrap: break-word;'>13.55</td><td style='text-align: center; word-wrap: break-word;'>334.51</td><td style='text-align: center; word-wrap: break-word;'>13.36</td><td style='text-align: center; word-wrap: break-word;'>336.74</td><td style='text-align: center; word-wrap: break-word;'>13.47</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>EgoFound3R $^{{100w,Dyn}}$</td><td style='text-align: center; word-wrap: break-word;'>99.81</td><td style='text-align: center; word-wrap: break-word;'>2.00</td><td style='text-align: center; word-wrap: break-word;'>93.68</td><td style='text-align: center; word-wrap: break-word;'>1.88</td><td style='text-align: center; word-wrap: break-word;'>94.24</td><td style='text-align: center; word-wrap: break-word;'>1.89</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>HOI4D</td><td style='text-align: center; word-wrap: break-word;'></td><td style='text-align: center; word-wrap: break-word;'></td><td style='text-align: center; word-wrap: break-word;'></td><td style='text-align: center; word-wrap: break-word;'></td><td style='text-align: center; word-wrap: break-word;'></td><td style='text-align: center; word-wrap: break-word;'></td></tr><tr><td style='text-align: center; word-wrap: break-word;'>Dyn-HaMR $^{{100w}}$</td><td style='text-align: center; word-wrap: break-word;'>439.65</td><td style='text-align: center; word-wrap: break-word;'>18.90</td><td style='text-align: center; word-wrap: break-word;'>436.66</td><td style='text-align: center; word-wrap: break-word;'>18.79</td><td style='text-align: center; word-wrap: break-word;'>438.56</td><td style='text-align: center; word-wrap: break-word;'>18.87</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>EgoFound3R $^{{100w,Dyn}}$</td><td style='text-align: center; word-wrap: break-word;'>204.38</td><td style='text-align: center; word-wrap: break-word;'>6.78</td><td style='text-align: center; word-wrap: break-word;'>191.63</td><td style='text-align: center; word-wrap: break-word;'>6.29</td><td style='text-align: center; word-wrap: break-word;'>196.89</td><td style='text-align: center; word-wrap: break-word;'>6.48</td></tr></table>

## G 接触与可见性评估

三个点集的接触情况：表11报告了在21关节、195顶点和778顶点分辨率下的接触分类结果。InteractVLM使用其原始的100窗口子集；对应的匹配版EgoFound3R对照组结果在附录H中单独列出。我们的基准数据将距离物体或对手部表面小于18毫米的点判定为接触点（针对关节部位），而手部表面195个顶点（含指尖）的接触判定阈值为14毫米。由于三种对比系统对接触的定义各不相同，因此没有一种系统采用上述标准：ContactOpt和S²Contact将表面容差在2毫米以内的点视为接触点，这一范围比我们的定义更窄。

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InteractVLM沿用了标注好的顶点标签。另外两个几何基线模型还额外获得了手部与物体的真实几何数据。

<div style="text-align: center;">Table 11: Contact prediction on OakInk-v2, TACO, and HOI4D at 21 joints, 195 vertices, and 778 vertices. Superscripts mark 100-window subsets, and marks follow Table 1.</div>

<table border=1 style='margin: auto; word-wrap: break-word;'><tr><td rowspan="2">Method</td><td colspan="3">21 joints</td><td colspan="3">195 vertices</td><td colspan="3">778 vertices</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>P $\uparrow$</td><td style='text-align: center; word-wrap: break-word;'>R $\uparrow$</td><td style='text-align: center; word-wrap: break-word;'>F1 $\uparrow$</td><td style='text-align: center; word-wrap: break-word;'>P $\uparrow$</td><td style='text-align: center; word-wrap: break-word;'>R $\uparrow$</td><td style='text-align: center; word-wrap: break-word;'>F1 $\uparrow$</td><td style='text-align: center; word-wrap: break-word;'>P $\uparrow$</td><td style='text-align: center; word-wrap: break-word;'>R $\uparrow$</td><td style='text-align: center; word-wrap: break-word;'>F1 $\uparrow$</td></tr><tr><td colspan="10">OakInk-v2</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>$InteractVLM^{{100w}}$</td><td style='text-align: center; word-wrap: break-word;'>0.180</td><td style='text-align: center; word-wrap: break-word;'>0.403</td><td style='text-align: center; word-wrap: break-word;'>0.202</td><td style='text-align: center; word-wrap: break-word;'>0.173</td><td style='text-align: center; word-wrap: break-word;'>0.408</td><td style='text-align: center; word-wrap: break-word;'>0.205</td><td style='text-align: center; word-wrap: break-word;'>0.168</td><td style='text-align: center; word-wrap: break-word;'>0.412</td><td style='text-align: center; word-wrap: break-word;'>0.201</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>$S^2$Contact</td><td style='text-align: center; word-wrap: break-word;'>0.327</td><td style='text-align: center; word-wrap: break-word;'>0.081</td><td style='text-align: center; word-wrap: break-word;'>0.079</td><td style='text-align: center; word-wrap: break-word;'>0.401</td><td style='text-align: center; word-wrap: break-word;'>0.180</td><td style='text-align: center; word-wrap: break-word;'>0.158</td><td style='text-align: center; word-wrap: break-word;'>0.397</td><td style='text-align: center; word-wrap: break-word;'>0.198</td><td style='text-align: center; word-wrap: break-word;'>0.173</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>ContactOpt</td><td style='text-align: center; word-wrap: break-word;'>0.334</td><td style='text-align: center; word-wrap: break-word;'>0.196</td><td style='text-align: center; word-wrap: break-word;'>0.154</td><td style='text-align: center; word-wrap: break-word;'>0.334</td><td style='text-align: center; word-wrap: break-word;'>0.234</td><td style='text-align: center; word-wrap: break-word;'>0.178</td><td style='text-align: center; word-wrap: break-word;'>0.338</td><td style='text-align: center; word-wrap: break-word;'>0.248</td><td style='text-align: center; word-wrap: break-word;'>0.185</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>EgoFound3R</td><td style='text-align: center; word-wrap: break-word;'>0.510</td><td style='text-align: center; word-wrap: break-word;'>0.665</td><td style='text-align: center; word-wrap: break-word;'>0.493</td><td style='text-align: center; word-wrap: break-word;'>0.525</td><td style='text-align: center; word-wrap: break-word;'>0.611</td><td style='text-align: center; word-wrap: break-word;'>0.479</td><td style='text-align: center; word-wrap: break-word;'>0.516</td><td style='text-align: center; word-wrap: break-word;'>0.329</td><td style='text-align: center; word-wrap: break-word;'>0.320</td></tr><tr><td colspan="10">TACO</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>$InteractVLM^{{100w}}$</td><td style='text-align: center; word-wrap: break-word;'>0.388</td><td style='text-align: center; word-wrap: break-word;'>0.705</td><td style='text-align: center; word-wrap: break-word;'>0.472</td><td style='text-align: center; word-wrap: break-word;'>0.348</td><td style='text-align: center; word-wrap: break-word;'>0.743</td><td style='text-align: center; word-wrap: break-word;'>0.451</td><td style='text-align: center; word-wrap: break-word;'>0.356</td><td style='text-align: center; word-wrap: break-word;'>0.750</td><td style='text-align: center; word-wrap: break-word;'>0.458</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>$S^2$Contact</td><td style='text-align: center; word-wrap: break-word;'>0.519</td><td style='text-align: center; word-wrap: break-word;'>0.104</td><td style='text-align: center; word-wrap: break-word;'>0.146</td><td style='text-align: center; word-wrap: break-word;'>0.590</td><td style='text-align: center; word-wrap: break-word;'>0.210</td><td style='text-align: center; word-wrap: break-word;'>0.285</td><td style='text-align: center; word-wrap: break-word;'>0.592</td><td style='text-align: center; word-wrap: break-word;'>0.234</td><td style='text-align: center; word-wrap: break-word;'>0.308</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>ContactOpt</td><td style='text-align: center; word-wrap: break-word;'>0.557</td><td style='text-align: center; word-wrap: break-word;'>0.197</td><td style='text-align: center; word-wrap: break-word;'>0.259</td><td style='text-align: center; word-wrap: break-word;'>0.571</td><td style='text-align: center; word-wrap: break-word;'>0.249</td><td style='text-align: center; word-wrap: break-word;'>0.311</td><td style='text-align: center; word-wrap: break-word;'>0.573</td><td style='text-align: center; word-wrap: break-word;'>0.241</td><td style='text-align: center; word-wrap: break-word;'>0.303</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>EgoFound3R</td><td style='text-align: center; word-wrap: break-word;'>0.654</td><td style='text-align: center; word-wrap: break-word;'>0.777</td><td style='text-align: center; word-wrap: break-word;'>0.697</td><td style='text-align: center; word-wrap: break-word;'>0.636</td><td style='text-align: center; word-wrap: break-word;'>0.719</td><td style='text-align: center; word-wrap: break-word;'>0.661</td><td style='text-align: center; word-wrap: break-word;'>0.516</td><td style='text-align: center; word-wrap: break-word;'>0.265</td><td style='text-align: center; word-wrap: break-word;'>0.320</td></tr><tr><td colspan="10">HOI4D</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>$InteractVLM^{{100w}}$</td><td style='text-align: center; word-wrap: break-word;'>0.313</td><td style='text-align: center; word-wrap: break-word;'>0.537</td><td style='text-align: center; word-wrap: break-word;'>0.281</td><td style='text-align: center; word-wrap: break-word;'>0.256</td><td style='text-align: center; word-wrap: break-word;'>0.556</td><td style='text-align: center; word-wrap: break-word;'>0.261</td><td style='text-align: center; word-wrap: break-word;'>0.249</td><td style='text-align: center; word-wrap: break-word;'>0.553</td><td style='text-align: center; word-wrap: break-word;'>0.261</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>$S^2$Contact</td><td style='text-align: center; word-wrap: break-word;'>0.444</td><td style='text-align: center; word-wrap: break-word;'>0.265</td><td style='text-align: center; word-wrap: break-word;'>0.284</td><td style='text-align: center; word-wrap: break-word;'>0.437</td><td style='text-align: center; word-wrap: break-word;'>0.340</td><td style='text-align: center; word-wrap: break-word;'>0.333</td><td style='text-align: center; word-wrap: break-word;'>0.426</td><td style='text-align: center; word-wrap: break-word;'>0.344</td><td style='text-align: center; word-wrap: break-word;'>0.330</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>ContactOpt</td><td style='text-align: center; word-wrap: break-word;'>0.518</td><td style='text-align: center; word-wrap: break-word;'>0.477</td><td style='text-align: center; word-wrap: break-word;'>0.435</td><td style='text-align: center; word-wrap: break-word;'>0.506</td><td style='text-align: center; word-wrap: break-word;'>0.548</td><td style='text-align: center; word-wrap: break-word;'>0.463</td><td style='text-align: center; word-wrap: break-word;'>0.496</td><td style='text-align: center; word-wrap: break-word;'>0.538</td><td style='text-align: center; word-wrap: break-word;'>0.449</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>EgoFound3R</td><td style='text-align: center; word-wrap: break-word;'>0.612</td><td style='text-align: center; word-wrap: break-word;'>0.835</td><td style='text-align: center; word-wrap: break-word;'>0.675</td><td style='text-align: center; word-wrap: break-word;'>0.608</td><td style='text-align: center; word-wrap: break-word;'>0.807</td><td style='text-align: center; word-wrap: break-word;'>0.656</td><td style='text-align: center; word-wrap: break-word;'>0.531</td><td style='text-align: center; word-wrap: break-word;'>0.466</td><td style='text-align: center; word-wrap: break-word;'>0.445</td></tr></table>

<div style="text-align: center;">Vertex-level visibility. Tab. 12 reports visibility at the native 195 vertices and the interpolated 778-vertex mesh, which the compared pipelines do not provide; HVD predicts joint visibility only, so no ranking is shown.</div>

<div style="text-align: center;">Table 12: Vertex-level visibility at the native 195 vertices and the interpolated 778-vertex mesh.</div>

<table border=1 style='margin: auto; word-wrap: break-word;'><tr><td rowspan="2">Dataset</td><td rowspan="2">Method</td><td colspan="3">195 vertices</td><td colspan="3">778 vertices</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>P $\uparrow$</td><td style='text-align: center; word-wrap: break-word;'>R $\uparrow$</td><td style='text-align: center; word-wrap: break-word;'>F1 $\uparrow$</td><td style='text-align: center; word-wrap: break-word;'>P $\uparrow$</td><td style='text-align: center; word-wrap: break-word;'>R $\uparrow$</td><td style='text-align: center; word-wrap: break-word;'>F1 $\uparrow$</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>OakInk-v2</td><td style='text-align: center; word-wrap: break-word;'>EgoFound3R</td><td style='text-align: center; word-wrap: break-word;'>0.556</td><td style='text-align: center; word-wrap: break-word;'>0.705</td><td style='text-align: center; word-wrap: break-word;'>0.595</td><td style='text-align: center; word-wrap: break-word;'>0.555</td><td style='text-align: center; word-wrap: break-word;'>0.690</td><td style='text-align: center; word-wrap: break-word;'>0.588</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>TACO</td><td style='text-align: center; word-wrap: break-word;'>EgoFound3R</td><td style='text-align: center; word-wrap: break-word;'>0.437</td><td style='text-align: center; word-wrap: break-word;'>0.818</td><td style='text-align: center; word-wrap: break-word;'>0.567</td><td style='text-align: center; word-wrap: break-word;'>0.439</td><td style='text-align: center; word-wrap: break-word;'>0.805</td><td style='text-align: center; word-wrap: break-word;'>0.565</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>HOI4D</td><td style='text-align: center; word-wrap: break-word;'>EgoFound3R</td><td style='text-align: center; word-wrap: break-word;'>0.572</td><td style='text-align: center; word-wrap: break-word;'>0.789</td><td style='text-align: center; word-wrap: break-word;'>0.660</td><td style='text-align: center; word-wrap: break-word;'>0.581</td><td style='text-align: center; word-wrap: break-word;'>0.781</td><td style='text-align: center; word-wrap: break-word;'>0.663</td></tr></table>

阈值与定义敏感性：表11报告了基于某一基准定义下的一个操作点结果。由于对比系统是在不同的接触约定下训练的，我们分离出了无需重新训练即可区分的两种影响因素：每种方法得分所采用的决策阈值，以及定义基准数据的距离容差。我们并未修改任何模型或预测结果，下表中的所有数值都是对同一缓存的逐点得分和距离数据进行后处理得到的结果。

扫描与读取：表13扫描了每种方法0.01到0.99范围内的得分。AP值用于衡量与操作点无关的分类质量，best-F1则给出了可获得的最佳性能点及其对应的阈值。在此扫描范围内，所提出的模型在三个评估数据集上均取得了最高的AP值和best-F1值，且其best-F1阈值（0.39–0.51）接近常规的0.5决策点；而两个几何基线模型达到峰值性能的阈值低至0.09。

对预测正例的一致性分析：表14将基准数据限定在2毫米的表面带内，这一标准与两个几何基线模型的覆盖准则相匹配，该带域是基于195个顶点计算的。三个评估数据集上的排序结果保持一致。如图11所示，两个几何基线模型预测的正例并不局限于定义其覆盖范围的狭窄带域：这些点的距离分布范围可达数十毫米，在三个评估数据集上的中位数介于10–21毫米之间，其中四分之一到近一半的点距离超过25毫米。所提出的模型则保持了更紧凑的分布特征，中位数仅为10–12毫米，且57–65%的正例位于14毫米的接触带内，这一结果与用于监督其属性头的距离回归设定相一致。

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<div style="text-align: center;">Table 13: Decision-threshold sweep for contact prediction on the 195 vertices. AP and best-F1 pool the points of a dataset over 99 thresholds, with the best-F1 threshold in parentheses; marks follow Table 1.</div>

<table border=1 style='margin: auto; word-wrap: break-word;'><tr><td style='text-align: center; word-wrap: break-word;'>Dataset</td><td style='text-align: center; word-wrap: break-word;'>Method</td><td style='text-align: center; word-wrap: break-word;'>AP $\uparrow$</td><td style='text-align: center; word-wrap: break-word;'>best-F1 $\uparrow$</td><td style='text-align: center; word-wrap: break-word;'>F1@0.5 $\uparrow$</td></tr><tr><td rowspan="3">OakInk-v2</td><td style='text-align: center; word-wrap: break-word;'>ContactOpt</td><td style='text-align: center; word-wrap: break-word;'>0.308</td><td style='text-align: center; word-wrap: break-word;'>0.411 (0.21)</td><td style='text-align: center; word-wrap: break-word;'>0.178</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>S $^{2}$Contact</td><td style='text-align: center; word-wrap: break-word;'>0.395</td><td style='text-align: center; word-wrap: break-word;'>0.449 (0.09)</td><td style='text-align: center; word-wrap: break-word;'>0.158</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>EgoFound3R</td><td style='text-align: center; word-wrap: break-word;'>0.603</td><td style='text-align: center; word-wrap: break-word;'>0.617 (0.39)</td><td style='text-align: center; word-wrap: break-word;'>0.479</td></tr><tr><td rowspan="3">TACO</td><td style='text-align: center; word-wrap: break-word;'>ContactOpt</td><td style='text-align: center; word-wrap: break-word;'>0.475</td><td style='text-align: center; word-wrap: break-word;'>0.542 (0.15)</td><td style='text-align: center; word-wrap: break-word;'>0.311</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>S $^{2}$Contact</td><td style='text-align: center; word-wrap: break-word;'>0.512</td><td style='text-align: center; word-wrap: break-word;'>0.558 (0.09)</td><td style='text-align: center; word-wrap: break-word;'>0.285</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>EgoFound3R</td><td style='text-align: center; word-wrap: break-word;'>0.714</td><td style='text-align: center; word-wrap: break-word;'>0.691 (0.43)</td><td style='text-align: center; word-wrap: break-word;'>0.661</td></tr><tr><td rowspan="3">HOI4D</td><td style='text-align: center; word-wrap: break-word;'>ContactOpt</td><td style='text-align: center; word-wrap: break-word;'>0.482</td><td style='text-align: center; word-wrap: break-word;'>0.589 (0.35)</td><td style='text-align: center; word-wrap: break-word;'>0.463</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>S $^{2}$Contact</td><td style='text-align: center; word-wrap: break-word;'>0.399</td><td style='text-align: center; word-wrap: break-word;'>0.515 (0.26)</td><td style='text-align: center; word-wrap: break-word;'>0.333</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>EgoFound3R</td><td style='text-align: center; word-wrap: break-word;'>0.735</td><td style='text-align: center; word-wrap: break-word;'>0.714 (0.51)</td><td style='text-align: center; word-wrap: break-word;'>0.656</td></tr><tr><td colspan="5">100-window paired subsets</td></tr><tr><td rowspan="2">OakInk-v2</td><td style='text-align: center; word-wrap: break-word;'>InteractVLM $^{100w}$</td><td style='text-align: center; word-wrap: break-word;'>0.184</td><td style='text-align: center; word-wrap: break-word;'>0.275 (0.71)</td><td style='text-align: center; word-wrap: break-word;'>0.205</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>EgoFound3R $^{100w}$</td><td style='text-align: center; word-wrap: break-word;'>0.559</td><td style='text-align: center; word-wrap: break-word;'>0.594 (0.42)</td><td style='text-align: center; word-wrap: break-word;'>0.442</td></tr><tr><td rowspan="2">TACO</td><td style='text-align: center; word-wrap: break-word;'>InteractVLM $^{100w}$</td><td style='text-align: center; word-wrap: break-word;'>0.397</td><td style='text-align: center; word-wrap: break-word;'>0.494 (0.90)</td><td style='text-align: center; word-wrap: break-word;'>0.451</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>EgoFound3R $^{100w}$</td><td style='text-align: center; word-wrap: break-word;'>0.725</td><td style='text-align: center; word-wrap: break-word;'>0.712 (0.42)</td><td style='text-align: center; word-wrap: break-word;'>0.691</td></tr><tr><td rowspan="2">HOI4D</td><td style='text-align: center; word-wrap: break-word;'>InteractVLM $^{100w}$</td><td style='text-align: center; word-wrap: break-word;'>0.249</td><td style='text-align: center; word-wrap: break-word;'>0.371 (0.82)</td><td style='text-align: center; word-wrap: break-word;'>0.261</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>EgoFound3R $^{100w}$</td><td style='text-align: center; word-wrap: break-word;'>0.700</td><td style='text-align: center; word-wrap: break-word;'>0.693 (0.48)</td><td style='text-align: center; word-wrap: break-word;'>0.670</td></tr></table>

<div style="text-align: center;">Table 14: Narrow-band contact comparison on the 195 vertices at the 0.5 operating point. The two column groups differ only in the labeling tolerance; the 2 mm band is defined on the 195 vertices only.</div>

<table border=1 style='margin: auto; word-wrap: break-word;'><tr><td rowspan="2">Dataset</td><td rowspan="2">Method</td><td colspan="3">our GT</td><td colspan="3">2 mm band</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>P $\uparrow$</td><td style='text-align: center; word-wrap: break-word;'>R $\uparrow$</td><td style='text-align: center; word-wrap: break-word;'>F1 $\uparrow$</td><td style='text-align: center; word-wrap: break-word;'>P $\uparrow$</td><td style='text-align: center; word-wrap: break-word;'>R $\uparrow$</td><td style='text-align: center; word-wrap: break-word;'>F1 $\uparrow$</td></tr><tr><td rowspan="3">OakInk-v2</td><td style='text-align: center; word-wrap: break-word;'>ContactOpt</td><td style='text-align: center; word-wrap: break-word;'>0.334</td><td style='text-align: center; word-wrap: break-word;'>0.234</td><td style='text-align: center; word-wrap: break-word;'>0.178</td><td style='text-align: center; word-wrap: break-word;'>0.080</td><td style='text-align: center; word-wrap: break-word;'>0.335</td><td style='text-align: center; word-wrap: break-word;'>0.096</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>S $^{2}$Contact</td><td style='text-align: center; word-wrap: break-word;'>0.401</td><td style='text-align: center; word-wrap: break-word;'>0.180</td><td style='text-align: center; word-wrap: break-word;'>0.158</td><td style='text-align: center; word-wrap: break-word;'>0.117</td><td style='text-align: center; word-wrap: break-word;'>0.331</td><td style='text-align: center; word-wrap: break-word;'>0.115</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>EgoFound3R</td><td style='text-align: center; word-wrap: break-word;'>0.525</td><td style='text-align: center; word-wrap: break-word;'>0.611</td><td style='text-align: center; word-wrap: break-word;'>0.479</td><td style='text-align: center; word-wrap: break-word;'>0.103</td><td style='text-align: center; word-wrap: break-word;'>0.741</td><td style='text-align: center; word-wrap: break-word;'>0.164</td></tr><tr><td rowspan="3">TACO</td><td style='text-align: center; word-wrap: break-word;'>ContactOpt</td><td style='text-align: center; word-wrap: break-word;'>0.571</td><td style='text-align: center; word-wrap: break-word;'>0.249</td><td style='text-align: center; word-wrap: break-word;'>0.311</td><td style='text-align: center; word-wrap: break-word;'>0.101</td><td style='text-align: center; word-wrap: break-word;'>0.358</td><td style='text-align: center; word-wrap: break-word;'>0.140</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>S $^{2}$Contact</td><td style='text-align: center; word-wrap: break-word;'>0.590</td><td style='text-align: center; word-wrap: break-word;'>0.210</td><td style='text-align: center; word-wrap: break-word;'>0.285</td><td style='text-align: center; word-wrap: break-word;'>0.127</td><td style='text-align: center; word-wrap: break-word;'>0.376</td><td style='text-align: center; word-wrap: break-word;'>0.171</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>EgoFound3R</td><td style='text-align: center; word-wrap: break-word;'>0.636</td><td style='text-align: center; word-wrap: break-word;'>0.719</td><td style='text-align: center; word-wrap: break-word;'>0.661</td><td style='text-align: center; word-wrap: break-word;'>0.108</td><td style='text-align: center; word-wrap: break-word;'>0.836</td><td style='text-align: center; word-wrap: break-word;'>0.188</td></tr><tr><td rowspan="3">HOI4D</td><td style='text-align: center; word-wrap: break-word;'>ContactOpt</td><td style='text-align: center; word-wrap: break-word;'>0.506</td><td style='text-align: center; word-wrap: break-word;'>0.548</td><td style='text-align: center; word-wrap: break-word;'>0.463</td><td style='text-align: center; word-wrap: break-word;'>0.100</td><td style='text-align: center; word-wrap: break-word;'>0.657</td><td style='text-align: center; word-wrap: break-word;'>0.157</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>S $^{2}$Contact</td><td style='text-align: center; word-wrap: break-word;'>0.437</td><td style='text-align: center; word-wrap: break-word;'>0.340</td><td style='text-align: center; word-wrap: break-word;'>0.333</td><td style='text-align: center; word-wrap: break-word;'>0.086</td><td style='text-align: center; word-wrap: break-word;'>0.390</td><td style='text-align: center; word-wrap: break-word;'>0.125</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>EgoFound3R</td><td style='text-align: center; word-wrap: break-word;'>0.608</td><td style='text-align: center; word-wrap: break-word;'>0.807</td><td style='text-align: center; word-wrap: break-word;'>0.656</td><td style='text-align: center; word-wrap: break-word;'>0.101</td><td style='text-align: center; word-wrap: break-word;'>0.865</td><td style='text-align: center; word-wrap: break-word;'>0.174</td></tr><tr><td colspan="8">100-window paired subsets</td></tr><tr><td rowspan="2">OakInk-v2</td><td style='text-align: center; word-wrap: break-word;'>InteractVLM $^{100w}$</td><td style='text-align: center; word-wrap: break-word;'>0.173</td><td style='text-align: center; word-wrap: break-word;'>0.408</td><td style='text-align: center; word-wrap: break-word;'>0.205</td><td style='text-align: center; word-wrap: break-word;'>0.031</td><td style='text-align: center; word-wrap: break-word;'>0.426</td><td style='text-align: center; word-wrap: break-word;'>0.055</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>EgoFound3R $^{100w}$</td><td style='text-align: center; word-wrap: break-word;'>0.441</td><td style='text-align: center; word-wrap: break-word;'>0.638</td><td style='text-align: center; word-wrap: break-word;'>0.442</td><td style='text-align: center; word-wrap: break-word;'>0.090</td><td style='text-align: center; word-wrap: break-word;'>0.774</td><td style='text-align: center; word-wrap: break-word;'>0.151</td></tr><tr><td rowspan="2">TACO</td><td style='text-align: center; word-wrap: break-word;'>InteractVLM $^{100w}$</td><td style='text-align: center; word-wrap: break-word;'>0.348</td><td style='text-align: center; word-wrap: break-word;'>0.743</td><td style='text-align: center; word-wrap: break-word;'>0.451</td><td style='text-align: center; word-wrap: break-word;'>0.052</td><td style='text-align: center; word-wrap: break-word;'>0.758</td><td style='text-align: center; word-wrap: break-word;'>0.094</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>EgoFound3R $^{100w}$</td><td style='text-align: center; word-wrap: break-word;'>0.654</td><td style='text-align: center; word-wrap: break-word;'>0.755</td><td style='text-align: center; word-wrap: break-word;'>0.691</td><td style='text-align: center; word-wrap: break-word;'>0.111</td><td style='text-align: center; word-wrap: break-word;'>0.877</td><td style='text-align: center; word-wrap: break-word;'>0.196</td></tr><tr><td rowspan="2">HOI4D</td><td style='text-align: center; word-wrap: break-word;'>InteractVLM $^{100w}$</td><td style='text-align: center; word-wrap: break-word;'>0.256</td><td style='text-align: center; word-wrap: break-word;'>0.556</td><td style='text-align: center; word-wrap: break-word;'>0.261</td><td style='text-align: center; word-wrap: break-word;'>0.035</td><td style='text-align: center; word-wrap: break-word;'>0.589</td><td style='text-align: center; word-wrap: break-word;'>0.055</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>EgoFound3R $^{100w}$</td><td style='text-align: center; word-wrap: break-word;'>0.631</td><td style='text-align: center; word-wrap: break-word;'>0.794</td><td style='text-align: center; word-wrap: break-word;'>0.670</td><td style='text-align: center; word-wrap: break-word;'>0.095</td><td style='text-align: center; word-wrap: break-word;'>0.874</td><td style='text-align: center; word-wrap: break-word;'>0.168</td></tr></table>

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![Image](images/610bb871934f904e828c723f73a31523bfc62c700a99c19f8bb28ddab6109641.jpg)

<div style="text-align: center;">GT positives EgoFound3R ContactOpt S²Contact InteractVLM</div>

<div style="text-align: center;">Figure 11: Where each method's predicted contacts lie. Predicted-positive distances on the 195 vertices, one row per dataset. Left: cumulative fraction of a method's positives within a given distance to the surface, ground truth in gray, with vertical lines marking the 2 mm coverage band of the two geometric baselines and our 14 mm contact band. Right: recall of ground-truth contacts as the labelling threshold varies, with reference lines at 2, 14, and 18 mm.</div>

## H 100窗口基线的匹配子集对照组

表15和表16分别采用了Dyn-HaMR原始的手部子集和InteractVLM的接触子集。每个基线模型及其EgoFound3R对照组均在相同的窗口上进行评估。结果在每个匹配组内分别排名，与通用窗口评估的结果分开统计。

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<div style="text-align: center;">Table 15: Matched 100-window hand geometry. Dyn-HaMR and EgoFound3R are evaluated on the same windows; errors are in mm.</div>

<table border=1 style='margin: auto; word-wrap: break-word;'><tr><td rowspan="2">Method</td><td colspan="4">21 joints: MPJPE</td><td colspan="4">195 vertices: MPVPE</td><td colspan="4">778 vertices: MPVPE</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>Raw $\downarrow$</td><td style='text-align: center; word-wrap: break-word;'>RR $\downarrow$</td><td style='text-align: center; word-wrap: break-word;'>PA $\downarrow$</td><td style='text-align: center; word-wrap: break-word;'>Sim(3) $\downarrow$</td><td style='text-align: center; word-wrap: break-word;'>W $\downarrow$</td><td style='text-align: center; word-wrap: break-word;'>WA $\downarrow$</td><td style='text-align: center; word-wrap: break-word;'>Raw $\downarrow$</td><td style='text-align: center; word-wrap: break-word;'>RR $\downarrow$</td><td style='text-align: center; word-wrap: break-word;'>PA $\downarrow$</td><td style='text-align: center; word-wrap: break-word;'>Sim(3) $\downarrow$</td><td style='text-align: center; word-wrap: break-word;'>W $\downarrow$</td><td style='text-align: center; word-wrap: break-word;'>WA $\downarrow$</td></tr><tr><td colspan="13">OakInk-v2</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>Dyn-HaMR $^{{100w}}$</td><td style='text-align: center; word-wrap: break-word;'>96.39</td><td style='text-align: center; word-wrap: break-word;'>17.91</td><td style='text-align: center; word-wrap: break-word;'>7.84</td><td style='text-align: center; word-wrap: break-word;'>13.76</td><td style='text-align: center; word-wrap: break-word;'>36.16</td><td style='text-align: center; word-wrap: break-word;'>17.19</td><td style='text-align: center; word-wrap: break-word;'>95.78</td><td style='text-align: center; word-wrap: break-word;'>16.87</td><td style='text-align: center; word-wrap: break-word;'>7.67</td><td style='text-align: center; word-wrap: break-word;'>13.73</td><td style='text-align: center; word-wrap: break-word;'>35.84</td><td style='text-align: center; word-wrap: break-word;'>17.20</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>EgoFound3R $^{\ddagger}$ $\downarrow$ $^{{100w, Dyn}}$</td><td style='text-align: center; word-wrap: break-word;'>50.88</td><td style='text-align: center; word-wrap: break-word;'>21.17</td><td style='text-align: center; word-wrap: break-word;'>8.50</td><td style='text-align: center; word-wrap: break-word;'>20.30</td><td style='text-align: center; word-wrap: break-word;'>30.20</td><td style='text-align: center; word-wrap: break-word;'>20.88</td><td style='text-align: center; word-wrap: break-word;'>49.07</td><td style='text-align: center; word-wrap: break-word;'>20.97</td><td style='text-align: center; word-wrap: break-word;'>8.54</td><td style='text-align: center; word-wrap: break-word;'>20.49</td><td style='text-align: center; word-wrap: break-word;'>30.21</td><td style='text-align: center; word-wrap: break-word;'>21.02</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>EgoFound3R $^{\ddagger}$ $\ddagger$ $^{{100w, Dyn}}$</td><td style='text-align: center; word-wrap: break-word;'>43.29</td><td style='text-align: center; word-wrap: break-word;'>21.18</td><td style='text-align: center; word-wrap: break-word;'>8.51</td><td style='text-align: center; word-wrap: break-word;'>21.15</td><td style='text-align: center; word-wrap: break-word;'>32.68</td><td style='text-align: center; word-wrap: break-word;'>21.88</td><td style='text-align: center; word-wrap: break-word;'>42.73</td><td style='text-align: center; word-wrap: break-word;'>20.97</td><td style='text-align: center; word-wrap: break-word;'>8.54</td><td style='text-align: center; word-wrap: break-word;'>21.33</td><td style='text-align: center; word-wrap: break-word;'>32.71</td><td style='text-align: center; word-wrap: break-word;'>22.06</td></tr><tr><td colspan="13">TACO</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>Dyn-HaMR $^{{100w}}$</td><td style='text-align: center; word-wrap: break-word;'>127.12</td><td style='text-align: center; word-wrap: break-word;'>27.47</td><td style='text-align: center; word-wrap: break-word;'>11.62</td><td style='text-align: center; word-wrap: break-word;'>29.27</td><td style='text-align: center; word-wrap: break-word;'>77.88</td><td style='text-align: center; word-wrap: break-word;'>31.46</td><td style='text-align: center; word-wrap: break-word;'>127.79</td><td style='text-align: center; word-wrap: break-word;'>26.04</td><td style='text-align: center; word-wrap: break-word;'>11.55</td><td style='text-align: center; word-wrap: break-word;'>29.49</td><td style='text-align: center; word-wrap: break-word;'>78.23</td><td style='text-align: center; word-wrap: break-word;'>31.82</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>EgoFound3R $^{\ddagger}$ $\downarrow$ $^{{100w, Dyn}}$</td><td style='text-align: center; word-wrap: break-word;'>56.15</td><td style='text-align: center; word-wrap: break-word;'>20.80</td><td style='text-align: center; word-wrap: break-word;'>8.74</td><td style='text-align: center; word-wrap: break-word;'>24.53</td><td style='text-align: center; word-wrap: break-word;'>40.70</td><td style='text-align: center; word-wrap: break-word;'>25.49</td><td style='text-align: center; word-wrap: break-word;'>55.18</td><td style='text-align: center; word-wrap: break-word;'>20.37</td><td style='text-align: center; word-wrap: break-word;'>9.02</td><td style='text-align: center; word-wrap: break-word;'>24.70</td><td style='text-align: center; word-wrap: break-word;'>41.43</td><td style='text-align: center; word-wrap: break-word;'>25.82</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>EgoFound3R $^{\ddagger}$ $\ddagger$ $^{{100w, Dyn}}$</td><td style='text-align: center; word-wrap: break-word;'>59.47</td><td style='text-align: center; word-wrap: break-word;'>20.80</td><td style='text-align: center; word-wrap: break-word;'>8.74</td><td style='text-align: center; word-wrap: break-word;'>24.90</td><td style='text-align: center; word-wrap: break-word;'>42.10</td><td style='text-align: center; word-wrap: break-word;'>25.93</td><td style='text-align: center; word-wrap: break-word;'>59.76</td><td style='text-align: center; word-wrap: break-word;'>20.37</td><td style='text-align: center; word-wrap: break-word;'>9.01</td><td style='text-align: center; word-wrap: break-word;'>25.13</td><td style='text-align: center; word-wrap: break-word;'>43.20</td><td style='text-align: center; word-wrap: break-word;'>26.34</td></tr><tr><td colspan="13">HOI4D</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>Dyn-HaMR $^{{100w}}$</td><td style='text-align: center; word-wrap: break-word;'>245.06</td><td style='text-align: center; word-wrap: break-word;'>26.49</td><td style='text-align: center; word-wrap: break-word;'>11.89</td><td style='text-align: center; word-wrap: break-word;'>30.47</td><td style='text-align: center; word-wrap: break-word;'>173.62</td><td style='text-align: center; word-wrap: break-word;'>65.71</td><td style='text-align: center; word-wrap: break-word;'>245.09</td><td style='text-align: center; word-wrap: break-word;'>25.53</td><td style='text-align: center; word-wrap: break-word;'>12.28</td><td style='text-align: center; word-wrap: break-word;'>30.99</td><td style='text-align: center; word-wrap: break-word;'>173.69</td><td style='text-align: center; word-wrap: break-word;'>66.73</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>EgoFound3R $^{\ddagger}$ $\downarrow$ $^{{100w, Dyn}}$</td><td style='text-align: center; word-wrap: break-word;'>50.92</td><td style='text-align: center; word-wrap: break-word;'>17.73</td><td style='text-align: center; word-wrap: break-word;'>8.71</td><td style='text-align: center; word-wrap: break-word;'>26.25</td><td style='text-align: center; word-wrap: break-word;'>205.48</td><td style='text-align: center; word-wrap: break-word;'>65.61</td><td style='text-align: center; word-wrap: break-word;'>52.06</td><td style='text-align: center; word-wrap: break-word;'>16.98</td><td style='text-align: center; word-wrap: break-word;'>8.65</td><td style='text-align: center; word-wrap: break-word;'>26.27</td><td style='text-align: center; word-wrap: break-word;'>208.31</td><td style='text-align: center; word-wrap: break-word;'>66.75</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>EgoFound3R $^{\ddagger}$ $\ddagger$ $^{{100w, Dyn}}$</td><td style='text-align: center; word-wrap: break-word;'>40.88</td><td style='text-align: center; word-wrap: break-word;'>17.74</td><td style='text-align: center; word-wrap: break-word;'>8.71</td><td style='text-align: center; word-wrap: break-word;'>26.16</td><td style='text-align: center; word-wrap: break-word;'>206.30</td><td style='text-align: center; word-wrap: break-word;'>65.53</td><td style='text-align: center; word-wrap: break-word;'>41.73</td><td style='text-align: center; word-wrap: break-word;'>16.97</td><td style='text-align: center; word-wrap: break-word;'>8.65</td><td style='text-align: center; word-wrap: break-word;'>26.23</td><td style='text-align: center; word-wrap: break-word;'>209.41</td><td style='text-align: center; word-wrap: break-word;'>66.65</td></tr></table>

<div style="text-align: center;">Table 16: Matched 100-window contact comparison. InteractVLM and EgoFound3R are evaluated on exactly the same windows, and the best value in each column is marked in bold.</div>

<table border=1 style='margin: auto; word-wrap: break-word;'><tr><td rowspan="2">Method</td><td colspan="3">21 joints</td><td colspan="3">195 vertices</td><td colspan="3">778 vertices</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>P $\uparrow$</td><td style='text-align: center; word-wrap: break-word;'>R $\uparrow$</td><td style='text-align: center; word-wrap: break-word;'>F1 $\uparrow$</td><td style='text-align: center; word-wrap: break-word;'>P $\uparrow$</td><td style='text-align: center; word-wrap: break-word;'>R $\uparrow$</td><td style='text-align: center; word-wrap: break-word;'>F1 $\uparrow$</td><td style='text-align: center; word-wrap: break-word;'>P $\uparrow$</td><td style='text-align: center; word-wrap: break-word;'>R $\uparrow$</td><td style='text-align: center; word-wrap: break-word;'>F1 $\uparrow$</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>OakInk-v2</td><td style='text-align: center; word-wrap: break-word;'></td><td style='text-align: center; word-wrap: break-word;'></td><td style='text-align: center; word-wrap: break-word;'></td><td style='text-align: center; word-wrap: break-word;'></td><td style='text-align: center; word-wrap: break-word;'></td><td style='text-align: center; word-wrap: break-word;'></td><td style='text-align: center; word-wrap: break-word;'></td><td style='text-align: center; word-wrap: break-word;'></td><td style='text-align: center; word-wrap: break-word;'></td></tr><tr><td style='text-align: center; word-wrap: break-word;'>InteractVLM $^{{100w}}$</td><td style='text-align: center; word-wrap: break-word;'>0.180</td><td style='text-align: center; word-wrap: break-word;'>0.403</td><td style='text-align: center; word-wrap: break-word;'>0.202</td><td style='text-align: center; word-wrap: break-word;'>0.173</td><td style='text-align: center; word-wrap: break-word;'>0.408</td><td style='text-align: center; word-wrap: break-word;'>0.205</td><td style='text-align: center; word-wrap: break-word;'>0.168</td><td style='text-align: center; word-wrap: break-word;'>0.412</td><td style='text-align: center; word-wrap: break-word;'>0.201</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>EgoFound3R $^{{100w, InteractVLM}}$</td><td style='text-align: center; word-wrap: break-word;'>0.381</td><td style='text-align: center; word-wrap: break-word;'>0.762</td><td style='text-align: center; word-wrap: break-word;'>0.431</td><td style='text-align: center; word-wrap: break-word;'>0.441</td><td style='text-align: center; word-wrap: break-word;'>0.638</td><td style='text-align: center; word-wrap: break-word;'>0.442</td><td style='text-align: center; word-wrap: break-word;'>0.457</td><td style='text-align: center; word-wrap: break-word;'>0.295</td><td style='text-align: center; word-wrap: break-word;'>0.298</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>TACO</td><td style='text-align: center; word-wrap: break-word;'></td><td style='text-align: center; word-wrap: break-word;'></td><td style='text-align: center; word-wrap: break-word;'></td><td style='text-align: center; word-wrap: break-word;'></td><td style='text-align: center; word-wrap: break-word;'></td><td style='text-align: center; word-wrap: break-word;'></td><td style='text-align: center; word-wrap: break-word;'></td><td style='text-align: center; word-wrap: break-word;'></td><td style='text-align: center; word-wrap: break-word;'></td></tr><tr><td style='text-align: center; word-wrap: break-word;'>InteractVLM $^{{100w}}$</td><td style='text-align: center; word-wrap: break-word;'>0.388</td><td style='text-align: center; word-wrap: break-word;'>0.705</td><td style='text-align: center; word-wrap: break-word;'>0.472</td><td style='text-align: center; word-wrap: break-word;'>0.348</td><td style='text-align: center; word-wrap: break-word;'>0.743</td><td style='text-align: center; word-wrap: break-word;'>0.451</td><td style='text-align: center; word-wrap: break-word;'>0.356</td><td style='text-align: center; word-wrap: break-word;'>0.750</td><td style='text-align: center; word-wrap: break-word;'>0.458</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>EgoFound3R $^{{100w, InteractVLM}}$</td><td style='text-align: center; word-wrap: break-word;'>0.670</td><td style='text-align: center; word-wrap: break-word;'>0.821</td><td style='text-align: center; word-wrap: break-word;'>0.730</td><td style='text-align: center; word-wrap: break-word;'>0.654</td><td style='text-align: center; word-wrap: break-word;'>0.755</td><td style='text-align: center; word-wrap: break-word;'>0.691</td><td style='text-align: center; word-wrap: break-word;'>0.582</td><td style='text-align: center; word-wrap: break-word;'>0.320</td><td style='text-align: center; word-wrap: break-word;'>0.388</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>HOI4D</td><td style='text-align: center; word-wrap: break-word;'></td><td style='text-align: center; word-wrap: break-word;'></td><td style='text-align: center; word-wrap: break-word;'></td><td style='text-align: center; word-wrap: break-word;'></td><td style='text-align: center; word-wrap: break-word;'></td><td style='text-align: center; word-wrap: break-word;'></td><td style='text-align: center; word-wrap: break-word;'></td><td style='text-align: center; word-wrap: break-word;'></td><td style='text-align: center; word-wrap: break-word;'></td></tr><tr><td style='text-align: center; word-wrap: break-word;'>InteractVLM $^{{100w}}$</td><td style='text-align: center; word-wrap: break-word;'>0.313</td><td style='text-align: center; word-wrap: break-word;'>0.537</td><td style='text-align: center; word-wrap: break-word;'>0.281</td><td style='text-align: center; word-wrap: break-word;'>0.256</td><td style='text-align: center; word-wrap: break-word;'>0.556</td><td style='text-align: center; word-wrap: break-word;'>0.261</td><td style='text-align: center; word-wrap: break-word;'>0.249</td><td style='text-align: center; word-wrap: break-word;'>0.553</td><td style='text-align: center; word-wrap: break-word;'>0.261</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>EgoFound3R $^{{100w, InteractVLM}}$</td><td style='text-align: center; word-wrap: break-word;'>0.653</td><td style='text-align: center; word-wrap: break-word;'>0.796</td><td style='text-align: center; word-wrap: break-word;'>0.691</td><td style='text-align: center; word-wrap: break-word;'>0.631</td><td style='text-align: center; word-wrap: break-word;'>0.794</td><td style='text-align: center; word-wrap: break-word;'>0.670</td><td style='text-align: center; word-wrap: break-word;'>0.458</td><td style='text-align: center; word-wrap: break-word;'>0.410</td><td style='text-align: center; word-wrap: break-word;'>0.418</td></tr></table>

---

## 一、架构与多速率消融实验

我们在OakInk-v2、TACO和HOI4D数据集上报告了手部几何、接触、可见性和距离的局部与世界空间结果：表17对应手部几何，表18对应接触与可见性，表19对应距离。

0.05B和0.1B（参数规模缩减）。手部模块的参数被缩减至约0.05B和0.1B，而设计的其余部分保持不变，这两个变体用于展示精度对手部解码器参数规模的依赖程度。

MANO（参数回归）。解码器不再预测点坐标，而是回归MANO旋转参数并通过MANO模型生成网格，这种方式将显式点表示的价值与底层网格拓扑的价值区分开来。

移除$\Omega$（无预训练骨干网络）。被冻结的VGGT-$\Omega$骨干网络及其提供的特征被移除，因此手部与场景头仅依靠监督信号进行训练；该变体用于衡量预训练几何先验所起的作用。

单向交互（one-way exchange）。交叉率接口被限制为单一方向：骨干网络的特征仍能传递到手部，但手部信息不再更新锚点，该设置用于验证手部信息是否也会影响场景表征的形成。

Sk（时间步长）。完整模型以时间步长k运行，即每k帧设置一个全局锚点；S1是最密集的情况，S5是默认设置，表格中已用阴影标注，这些变体在参数数量固定的情况下改变了聚合密度。

<div style="text-align: center;">Table 17: Hand-geometry ablation on OakInk-v2, TACO, and HOI4D. Errors are in mm; Sk is EgoFound3R at stride k.</div>

<table border=1 style='margin: auto; word-wrap: break-word;'><tr><td rowspan="2">Variant</td><td colspan="5">21 joints: MPJPE</td><td colspan="5">195 vertices: MPVPE</td><td colspan="5">778 vertices: MPVPE</td><td style='text-align: center; word-wrap: break-word;'></td><td style='text-align: center; word-wrap: break-word;'></td><td style='text-align: center; word-wrap: break-word;'></td></tr><tr><td style='text-align: center; word-wrap: break-word;'>Raw $\downarrow$</td><td style='text-align: center; word-wrap: break-word;'>RR $\downarrow$</td><td style='text-align: center; word-wrap: break-word;'>PA $\downarrow$</td><td style='text-align: center; word-wrap: break-word;'>Sim(3) $\downarrow$</td><td style='text-align: center; word-wrap: break-word;'>W $\downarrow$</td><td style='text-align: center; word-wrap: break-word;'>WA $\downarrow$</td><td style='text-align: center; word-wrap: break-word;'>Raw $\downarrow$</td><td style='text-align: center; word-wrap: break-word;'>RR $\downarrow$</td><td style='text-align: center; word-wrap: break-word;'>PA $\downarrow$</td><td style='text-align: center; word-wrap: break-word;'>Sim(3) $\downarrow$</td><td style='text-align: center; word-wrap: break-word;'>W $\downarrow$</td><td style='text-align: center; word-wrap: break-word;'>WA $\downarrow$</td><td style='text-align: center; word-wrap: break-word;'>Raw $\downarrow$</td><td style='text-align: center; word-wrap: break-word;'>RR $\downarrow$</td><td style='text-align: center; word-wrap: break-word;'>PA $\downarrow$</td><td style='text-align: center; word-wrap: break-word;'>Sim(3) $\downarrow$</td><td style='text-align: center; word-wrap: break-word;'>W $\downarrow$</td><td style='text-align: center; word-wrap: break-word;'>WA $\downarrow$</td></tr><tr><td colspan="18">OakInk-v2</td><td style='text-align: center; word-wrap: break-word;'></td></tr><tr><td style='text-align: center; word-wrap: break-word;'>0.05B</td><td style='text-align: center; word-wrap: break-word;'>112.47</td><td style='text-align: center; word-wrap: break-word;'>35.90</td><td style='text-align: center; word-wrap: break-word;'>16.76</td><td style='text-align: center; word-wrap: break-word;'>33.35</td><td style='text-align: center; word-wrap: break-word;'>65.09</td><td style='text-align: center; word-wrap: break-word;'>35.51</td><td style='text-align: center; word-wrap: break-word;'>110.83</td><td style='text-align: center; word-wrap: break-word;'>35.50</td><td style='text-align: center; word-wrap: break-word;'>16.15</td><td style='text-align: center; word-wrap: break-word;'>33.45</td><td style='text-align: center; word-wrap: break-word;'>65.83</td><td style='text-align: center; word-wrap: break-word;'>35.66</td><td style='text-align: center; word-wrap: break-word;'>111.13</td><td style='text-align: center; word-wrap: break-word;'>36.33</td><td style='text-align: center; word-wrap: break-word;'>16.20</td><td style='text-align: center; word-wrap: break-word;'>33.46</td><td style='text-align: center; word-wrap: break-word;'>66.14</td><td style='text-align: center; word-wrap: break-word;'>35.63</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>0.1B</td><td style='text-align: center; word-wrap: break-word;'>98.34</td><td style='text-align: center; word-wrap: break-word;'>31.74</td><td style='text-align: center; word-wrap: break-word;'>15.24</td><td style='text-align: center; word-wrap: break-word;'>30.74</td><td style='text-align: center; word-wrap: break-word;'>61.31</td><td style='text-align: center; word-wrap: break-word;'>32.39</td><td style='text-align: center; word-wrap: break-word;'>98.33</td><td style='text-align: center; word-wrap: break-word;'>30.92</td><td style='text-align: center; word-wrap: break-word;'>15.27</td><td style='text-align: center; word-wrap: break-word;'>30.67</td><td style='text-align: center; word-wrap: break-word;'>59.29</td><td style='text-align: center; word-wrap: break-word;'>32.32</td><td style='text-align: center; word-wrap: break-word;'>98.69</td><td style='text-align: center; word-wrap: break-word;'>31.64</td><td style='text-align: center; word-wrap: break-word;'>15.36</td><td style='text-align: center; word-wrap: break-word;'>30.73</td><td style='text-align: center; word-wrap: break-word;'>59.56</td><td style='text-align: center; word-wrap: break-word;'>32.32</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>MANO</td><td style='text-align: center; word-wrap: break-word;'>73.39</td><td style='text-align: center; word-wrap: break-word;'>21.02</td><td style='text-align: center; word-wrap: break-word;'>8.74</td><td style='text-align: center; word-wrap: break-word;'>24.13</td><td style='text-align: center; word-wrap: break-word;'>45.73</td><td style='text-align: center; word-wrap: break-word;'>25.71</td><td style='text-align: center; word-wrap: break-word;'>73.27</td><td style='text-align: center; word-wrap: break-word;'>19.87</td><td style='text-align: center; word-wrap: break-word;'>8.55</td><td style='text-align: center; word-wrap: break-word;'>24.30</td><td style='text-align: center; word-wrap: break-word;'>45.46</td><td style='text-align: center; word-wrap: break-word;'>25.92</td><td style='text-align: center; word-wrap: break-word;'>73.12</td><td style='text-align: center; word-wrap: break-word;'>21.01</td><td style='text-align: center; word-wrap: break-word;'>9.36</td><td style='text-align: center; word-wrap: break-word;'>24.70</td><td style='text-align: center; word-wrap: break-word;'>46.05</td><td style='text-align: center; word-wrap: break-word;'>26.27</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>w/o $\Omega$</td><td style='text-align: center; word-wrap: break-word;'>86.13</td><td style='text-align: center; word-wrap: break-word;'>22.06</td><td style='text-align: center; word-wrap: break-word;'>9.92</td><td style='text-align: center; word-wrap: break-word;'>23.63</td><td style='text-align: center; word-wrap: break-word;'>44.03</td><td style='text-align: center; word-wrap: break-word;'>24.88</td><td style='text-align: center; word-wrap: break-word;'>85.25</td><td style='text-align: center; word-wrap: break-word;'>20.59</td><td style='text-align: center; word-wrap: break-word;'>9.54</td><td style='text-align: center; word-wrap: break-word;'>23.69</td><td style='text-align: center; word-wrap: break-word;'>43.87</td><td style='text-align: center; word-wrap: break-word;'>24.95</td><td style='text-align: center; word-wrap: break-word;'>86.07</td><td style='text-align: center; word-wrap: break-word;'>21.67</td><td style='text-align: center; word-wrap: break-word;'>10.32</td><td style='text-align: center; word-wrap: break-word;'>24.17</td><td style='text-align: center; word-wrap: break-word;'>44.39</td><td style='text-align: center; word-wrap: break-word;'>25.40</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>1-way</td><td style='text-align: center; word-wrap: break-word;'>79.62</td><td style='text-align: center; word-wrap: break-word;'>22.01</td><td style='text-align: center; word-wrap: break-word;'>9.96</td><td style='text-align: center; word-wrap: break-word;'>22.94</td><td style='text-align: center; word-wrap: break-word;'>41.28</td><td style='text-align: center; word-wrap: break-word;'>24.30</td><td style='text-align: center; word-wrap: break-word;'>80.46</td><td style='text-align: center; word-wrap: break-word;'>21.44</td><td style='text-align: center; word-wrap: break-word;'>9.98</td><td style='text-align: center; word-wrap: break-word;'>23.00</td><td style='text-align: center; word-wrap: break-word;'>40.84</td><td style='text-align: center; word-wrap: break-word;'>24.43</td><td style='text-align: center; word-wrap: break-word;'>80.88</td><td style='text-align: center; word-wrap: break-word;'>22.47</td><td style='text-align: center; word-wrap: break-word;'>10.65</td><td style='text-align: center; word-wrap: break-word;'>23.41</td><td style='text-align: center; word-wrap: break-word;'>41.40</td><td style='text-align: center; word-wrap: break-word;'>24.81</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>S1</td><td style='text-align: center; word-wrap: break-word;'>53.15</td><td style='text-align: center; word-wrap: break-word;'>17.68</td><td style='text-align: center; word-wrap: break-word;'>7.97</td><td style='text-align: center; word-wrap: break-word;'>17.50</td><td style='text-align: center; word-wrap: break-word;'>28.13</td><td style='text-align: center; word-wrap: break-word;'>17.91</td><td style='text-align: center; word-wrap: break-word;'>52.36</td><td style='text-align: center; word-wrap: break-word;'>17.11</td><td style='text-align: center; word-wrap: break-word;'>7.97</td><td style='text-align: center; word-wrap: break-word;'>17.71</td><td style='text-align: center; word-wrap: break-word;'>28.45</td><td style='text-align: center; word-wrap: break-word;'>18.13</td><td style='text-align: center; word-wrap: break-word;'>52.46</td><td style='text-align: center; word-wrap: break-word;'>18.33</td><td style='text-align: center; word-wrap: break-word;'>8.96</td><td style='text-align: center; word-wrap: break-word;'>18.39</td><td style='text-align: center; word-wrap: break-word;'>29.17</td><td style='text-align: center; word-wrap: break-word;'>18.79</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>S2</td><td style='text-align: center; word-wrap: break-word;'>53.14</td><td style='text-align: center; word-wrap: break-word;'>17.82</td><td style='text-align: center; word-wrap: break-word;'>8.02</td><td style='text-align: center; word-wrap: break-word;'>18.01</td><td style='text-align: center; word-wrap: break-word;'>30.37</td><td style='text-align: center; word-wrap: break-word;'>18.81</td><td style='text-align: center; word-wrap: break-word;'>52.72</td><td style='text-align: center; word-wrap: break-word;'>17.08</td><td style='text-align: center; word-wrap: break-word;'>7.96</td><td style='text-align: center; word-wrap: break-word;'>18.18</td><td style='text-align: center; word-wrap: break-word;'>30.75</td><td style='text-align: center; word-wrap: break-word;'>18.99</td><td style='text-align: center; word-wrap: break-word;'>52.96</td><td style='text-align: center; word-wrap: break-word;'>18.33</td><td style='text-align: center; word-wrap: break-word;'>8.98</td><td style='text-align: center; word-wrap: break-word;'>18.88</td><td style='text-align: center; word-wrap: break-word;'>31.41</td><td style='text-align: center; word-wrap: break-word;'>19.65</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>S3</td><td style='text-align: center; word-wrap: break-word;'>51.97</td><td style='text-align: center; word-wrap: break-word;'>17.78</td><td style='text-align: center; word-wrap: break-word;'>8.02</td><td style='text-align: center; word-wrap: break-word;'>17.99</td><td style='text-align: center; word-wrap: break-word;'>30.70</td><td style='text-align: center; word-wrap: break-word;'>18.85</td><td style='text-align: center; word-wrap: break-word;'>51.64</td><td style='text-align: center; word-wrap: break-word;'>17.10</td><td style='text-align: center; word-wrap: break-word;'>7.96</td><td style='text-align: center; word-wrap: break-word;'>18.18</td><td style='text-align: center; word-wrap: break-word;'>31.09</td><td style='text-align: center; word-wrap: break-word;'>19.05</td><td style='text-align: center; word-wrap: break-word;'>51.90</td><td style='text-align: center; word-wrap: break-word;'>18.35</td><td style='text-align: center; word-wrap: break-word;'>8.98</td><td style='text-align: center; word-wrap: break-word;'>18.88</td><td style='text-align: center; word-wrap: break-word;'>31.77</td><td style='text-align: center; word-wrap: break-word;'>19.71</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>S4</td><td style='text-align: center; word-wrap: break-word;'>51.72</td><td style='text-align: center; word-wrap: break-word;'>17.78</td><td style='text-align: center; word-wrap: break-word;'>8.02</td><td style='text-align: center; word-wrap: break-word;'>17.91</td><td style='text-align: center; word-wrap: break-word;'>30.68</td><td style='text-align: center; word-wrap: break-word;'>18.80</td><td style='text-align: center; word-wrap: break-word;'>51.38</td><td style='text-align: center; word-wrap: break-word;'>17.10</td><td style='text-align: center; word-wrap: break-word;'>7.96</td><td style='text-align: center; word-wrap: break-word;'>18.10</td><td style='text-align: center; word-wrap: break-word;'>31.09</td><td style='text-align: center; word-wrap: break-word;'>19.00</td><td style='text-align: center; word-wrap: break-word;'>51.63</td><td style='text-align: center; word-wrap: break-word;'>18.35</td><td style='text-align: center; word-wrap: break-word;'>8.98</td><td style='text-align: center; word-wrap: break-word;'>18.80</td><td style='text-align: center; word-wrap: break-word;'>31.76</td><td style='text-align: center; word-wrap: break-word;'>19.65</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>S5</td><td style='text-align: center; word-wrap: break-word;'>51.81</td><td style='text-align: center; word-wrap: break-word;'>17.77</td><td style='text-align: center; word-wrap: break-word;'>8.02</td><td style='text-align: center; word-wrap: break-word;'>17.87</td><td style='text-align: center; word-wrap: break-word;'>30.88</td><td style='text-align: center; word-wrap: break-word;'>18.77</td><td style='text-align: center; word-wrap: break-word;'>51.40</td><td style='text-align: center; word-wrap: break-word;'>17.11</td><td style='text-align: center; word-wrap: break-word;'>7.96</td><td style='text-align: center; word-wrap: break-word;'>18.05</td><td style='text-align: center; word-wrap: break-word;'>31.32</td><td style='text-align: center; word-wrap: break-word;'>18.98</td><td style='text-align: center; word-wrap: break-word;'>51.64</td><td style='text-align: center; word-wrap: break-word;'>18.37</td><td style='text-align: center; word-wrap: break-word;'>8.98</td><td style='text-align: center; word-wrap: break-word;'>18.75</td><td style='text-align: center; word-wrap: break-word;'>31.99</td><td style='text-align: center; word-wrap: break-word;'>19.63</td></tr><tr><td colspan="18">TACO</td><td style='text-align: center; word-wrap: break-word;'></td></tr><tr><td style='text-align: center; word-wrap: break-word;'>0.05B</td><td style='text-align: center; word-wrap: break-word;'>109.71</td><td style='text-align: center; word-wrap: break-word;'>36.74</td><td style='text-align: center; word-wrap: break-word;'>15.15</td><td style='text-align: center; word-wrap: break-word;'>42.08</td><td style='text-align: center; word-wrap: break-word;'>81.37</td><td style='text-align: center; word-wrap: break-word;'>42.66</td><td style='text-align: center; word-wrap: break-word;'>110.05</td><td style='text-align: center; word-wrap: break-word;'>33.75</td><td style='text-align: center; word-wrap: break-word;'>14.38</td><td style='text-align: center; word-wrap: break-word;'>42.10</td><td style='text-align: center; word-wrap: break-word;'>83.13</td><td style='text-align: center; word-wrap: break-word;'>42.84</td><td style='text-align: center; word-wrap: break-word;'>110.63</td><td style='text-align: center; word-wrap: break-word;'>35.05</td><td style='text-align: center; word-wrap: break-word;'>15.30</td><td style='text-align: center; word-wrap: break-word;'>42.42</td><td style='text-align: center; word-wrap: break-word;'>82.54</td><td style='text-align: center; word-wrap: break-word;'>43.09</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>0.1B</td><td style='text-align: center; word-wrap: break-word;'>96.90</td><td style='text-align: center; word-wrap: break-word;'>30.55</td><td style='text-align: center; word-wrap: break-word;'>13.14</td><td style='text-align: center; word-wrap: break-word;'>35.07</td><td style='text-align: center; word-wrap: break-word;'>61.66</td><td style='text-align: center; word-wrap: break-word;'>35.81</td><td style='text-align: center; word-wrap: break-word;'>93.16</td><td style='text-align: center; word-wrap: break-word;'>29.92</td><td style='text-align: center; word-wrap: break-word;'>13.53</td><td style='text-align: center; word-wrap: break-word;'>34.95</td><td style='text-align: center; word-wrap: break-word;'>60.85</td><td style='text-align: center; word-wrap: break-word;'>35.78</td><td style='text-align: center; word-wrap: break-word;'>93.04</td><td style='text-align: center; word-wrap: break-word;'>30.89</td><td style='text-align: center; word-wrap: break-word;'>14.17</td><td style='text-align: center; word-wrap: break-word;'>35.34</td><td style='text-align: center; word-wrap: break-word;'>61.53</td><td style='text-align: center; word-wrap: break-word;'>36.14</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>MANO</td><td style='text-align: center; word-wrap: break-word;'>86.66</td><td style='text-align: center; word-wrap: break-word;'>24.29</td><td style='text-align: center; word-wrap: break-word;'>10.68</td><td style='text-align: center; word-wrap: break-word;'>34.41</td><td style='text-align: center; word-wrap: break-word;'>57.45</td><td style='text-align: center; word-wrap: break-word;'>35.15</td><td style='text-align: center; word-wrap: break-word;'>86.25</td><td style='text-align: center; word-wrap: break-word;'>23.33</td><td style='text-align: center; word-wrap: break-word;'>10.80</td><td style='text-align: center; word-wrap: break-word;'>34.49</td><td style='text-align: center; word-wrap: break-word;'>57.54</td><td style='text-align: center; word-wrap: break-word;'>35.29</td><td style='text-align: center; word-wrap: break-word;'>86.18</td><td style='text-align: center; word-wrap: break-word;'>24.47</td><td style='text-align: center; word-wrap: break-word;'>11.96</td><td style='text-align: center; word-wrap: break-word;'>35.06</td><td style='text-align: center; word-wrap: break-word;'>57.95</td><td style='text-align: center; word-wrap: break-word;'>35.78</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>w/o $\Omega$</td><td style='text-align: center; word-wrap: break-word;'>82.59</td><td style='text-align: center; word-wrap: break-word;'>23.49</td><td style='text-align: center; word-wrap: break-word;'>10.11</td><td style='text-align: center; word-wrap: break-word;'>31.38</td><td style='text-align: center; word-wrap: break-word;'>53.38</td><td style='text-align: center; word-wrap: break-word;'>32.33</td><td style='text-align: center; word-wrap: break-word;'>81.91</td><td style='text-align: center; word-wrap: break-word;'>22.06</td><td style='text-align: center; word-wrap: break-word;'>10.50</td><td style='text-align: center; word-wrap: break-word;'>31.76</td><td style='text-align: center; word-wrap: break-word;'>54.42</td><td style='text-align: center; word-wrap: break-word;'>32.76</td><td style='text-align: center; word-wrap: break-word;'>82.17</td><td style='text-align: center; word-wrap: break-word;'>23.33</td><td style='text-align: center; word-wrap: break-word;'>11.71</td><td style='text-align: center; word-wrap: break-word;'>32.38</td><td style='text-align: center; word-wrap: break-word;'>54.53</td><td style='text-align: center; word-wrap: break-word;'>33.32</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>1-way</td><td style='text-align: center; word-wrap: break-word;'>78.82</td><td style='text-align: center; word-wrap: break-word;'>23.70</td><td style='text-align: center; word-wrap: break-word;'>10.07</td><td style='text-align: center; word-wrap: break-word;'>31.21</td><td style='text-align: center; word-wrap: break-word;'>54.16</td><td style='text-align: center; word-wrap: break-word;'>32.14</td><td style='text-align: center; word-wrap: break-word;'>78.33</td><td style='text-align: center; word-wrap: break-word;'>22.25</td><td style='text-align: center; word-wrap: break-word;'>10.31</td><td style='text-align: center; word-wrap: break-word;'>31.20</td><td style='text-align: center; word-wrap: break-word;'>54.16</td><td style='text-align: center; word-wrap: break-word;'>32.19</td><td style='text-align: center; word-wrap: break-word;'>78.69</td><td style='text-align: center; word-wrap: break-word;'>23.61</td><td style='text-align: center; word-wrap: break-word;'>11.48</td><td style='text-align: center; word-wrap: break-word;'>31.86</td><td style='text-align: center; word-wrap: break-word;'>54.46</td><td style='text-align: center; word-wrap: break-word;'>32.77</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>S1</td><td style='text-align: center; word-wrap: break-word;'>67.42</td><td style='text-align: center; word-wrap: break-word;'>22.55</td><td style='text-align: center; word-wrap: break-word;'>8.51</td><td style='text-align: center; word-wrap: break-word;'>27.90</td><td style='text-align: center; word-wrap: break-word;'>47.10</td><td style='text-align: center; word-wrap: break-word;'>28.54</td><td style='text-align: center; word-wrap: break-word;'>68.98</td><td style='text-align: center; word-wrap: break-word;'>19.25</td><td style='text-align: center; word-wrap: break-word;'>8.75</td><td style='text-align: center; word-wrap: break-word;'>27.94</td><td style='text-align: center; word-wrap: break-word;'>46.22</td><td style='text-align: center; word-wrap: break-word;'>28.59</td><td style='text-align: center; word-wrap: break-word;'>69.70</td><td style='text-align: center; word-wrap: break-word;'>21.01</td><td style='text-align: center; word-wrap: break-word;'>10.50</td><td style='text-align: center; word-wrap: break-word;'>28.79</td><td style='text-align: center; word-wrap: break-word;'>46.54</td><td style='text-align: center; word-wrap: break-word;'>29.44</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>S2</td><td style='text-align: center; word-wrap: break-word;'>53.45</td><td style='text-align: center; word-wrap: break-word;'>18.53</td><td style='text-align: center; word-wrap: break-word;'>8.12</td><td style='text-align: center; word-wrap: break-word;'>24.25</td><td style='text-align: center; word-wrap: break-word;'>40.23</td><td style='text-align: center; word-wrap: break-word;'>25.18</td><td style='text-align: center; word-wrap: break-word;'>52.76</td><td style='text-align: center; word-wrap: break-word;'>18.35</td><td style='text-align: center; word-wrap: break-word;'>8.66</td><td style='text-align: center; word-wrap: break-word;'>24.59</td><td style='text-align: center; word-wrap: break-word;'>40.88</td><td style='text-align: center; word-wrap: break-word;'>25.59</td><td style='text-align: center; word-wrap: break-word;'>53.17</td><td style='text-align: center; word-wrap: break-word;'>19.92</td><td style='text-align: center; word-wrap: break-word;'>10.22</td><td style='text-align: center; word-wrap: break-word;'>25.51</td><td style='text-align: center; word-wrap: break-word;'>41.56</td><td style='text-align: center; word-wrap: break-word;'>26.48</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>S3</td><td style='text-align: center; word-wrap: break-word;'>53.34</td><td style='text-align: center; word-wrap: break-word;'>18.53</td><td style='text-align: center; word-wrap: break-word;'>8.12</td><td style='text-align: center; word-wrap: break-word;'>24.23</td><td style='text-align: center; word-wrap: break-word;'>40.39</td><td style='text-align: center; word-wrap: break-word;'>25.18</td><td style='text-align: center; word-wrap: break-word;'>52.61</td><td style='text-align: center; word-wrap: break-word;'>18.36</td><td style='text-align: center; word-wrap: break-word;'>8.66</td><td style='text-align: center; word-wrap: break-word;'>24.56</td><td style='text-align: center; word-wrap: break-word;'>40.98</td><td style='text-align: center; word-wrap: break-word;'>25.58</td><td style='text-align: center; word-wrap: break-word;'>53.01</td><td style='text-align: center; word-wrap: break-word;'>19.93</td><td style='text-align: center; word-wrap: break-word;'>10.21</td><td style='text-align: center; word-wrap: break-word;'>25.49</td><td style='text-align: center; word-wrap: break-word;'>41.66</td><td style='text-align: center; word-wrap: break-word;'>26.47</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>S4</td><td style='text-align: center; word-wrap: break-word;'>53.86</td><td style='text-align: center; word-wrap: break-word;'>18.54</td><td style='text-align: center; word-wrap: break-word;'>8.12</td><td style='text-align: center; word-wrap: break-word;'>24.20</td><td style='text-align: center; word-wrap: break-word;'>40.28</td><td style='text-align: center; word-wrap: break-word;'>25.18</td><td style='text-align: center; word-wrap: break-word;'>53.08</td><td style='text-align: center; word-wrap: break-word;'>18.36</td><td style='text-align: center; word-wrap: break-word;'>8.67</td><td style='text-align: center; word-wrap: break-word;'>24.54</td><td style='text-align: center; word-wrap: break-word;'>40.92</td><td style='text-align: center; word-wrap: break-word;'>25.58</td><td style='text-align: center; word-wrap: break-word;'>53.42</td><td style='text-align: center; word-wrap: break-word;'>19.93</td><td style='text-align: center; word-wrap: break-word;'>10.21</td><td style='text-align: center; word-wrap: break-word;'>25.45</td><td style='text-align: center; word-wrap: break-word;'>41.60</td><td style='text-align: center; word-wrap: break-word;'>26.46</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>S5</td><td style='text-align: center; word-wrap: break-word;'>54.64</td><td style='text-align: center; word-wrap: break-word;'>18.54</td><td style='text-align: center; word-wrap: break-word;'>8.13</td><td style='text-align: center; word-wrap: break-word;'>24.15</td><td style='text-align: center; word-wrap: break-word;'>40.03</td><td style='text-align: center; word-wrap: break-word;'>25.16</td><td style='text-align: center; word-wrap: break-word;'>53.76</td><td style='text-align: center; word-wrap: break-word;'>18.36</td><td style='text-align: center; word-wrap: break-word;'>8.67</td><td style='text-align: center; word-wrap: break-word;'>24.49</td><td style='text-align: center; word-wrap: break-word;'>40.69</td><td style='text-align: center; word-wrap: break-word;'>25.55</td><td style='text-align: center; word-wrap: break-word;'>54.03</td><td style='text-align: center; word-wrap: break-word;'>19.91</td><td style='text-align: center; word-wrap: break-word;'>10.19</td><td style='text-align: center; word-wrap: break-word;'>25.39</td><td style='text-align: center; word-wrap: break-word;'>41.36</td><td style='text-align: center; word-wrap: break-word;'>26.42</td></tr><tr><td colspan="18">HOI4D</td><td style='text-align: center; word-wrap: break-word;'></td></tr><tr><td style='text-align: center; word-wrap: break-word;'>0.05B</td><td style='text-align: center; word-wrap: break-word;'>157.49</td><td style='text-align: center; word-wrap: break-word;'>32.62</td><td style='text-align: center; word-wrap: break-word;'>14.54</td><td style='text-align: center; word-wrap: break-word;'>41.65</td><td style='text-align: center; word-wrap: break-word;'>155.50</td><td style='text-align: center; word-wrap: break-word;'>58.89</td><td style='text-align: center; word-wrap: break-word;'>152.87</td><td style='text-align: center; word-wrap: break-word;'>31.79</td><td style='text-align: center; word-wrap: break-word;'>15.20</td><td style='text-align: center; word-wrap: break-word;'>42.94</td><td style='text-align: center; word-wrap: break-word;'>159.34</td><td style='text-align: center; word-wrap: break-word;'>59.95</td><td style='text-align: center; word-wrap: break-word;'>152.03</td><td style='text-align: center; word-wrap: break-word;'>33.17</td><td style='text-align: center; word-wrap: break-word;'>15.88</td><td style='text-align: center; word-wrap: break-word;'>43.22</td><td style='text-align: center; word-wrap: break-word;'>158.96</td><td style='text-align: center; word-wrap: break-word;'>59.79</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>0.1B</td><td style='text-align: center; word-wrap: break-word;'>140.38</td><td style='text-align: center; word-wrap: break-word;'>31.89</td><td style='text-align: center; word-wrap: break-word;'>13.76</td><td style='text-align: center; word-wrap: break-word;'>40.07</td><td style='text-align: center; word-wrap: break-word;'>177.85</td><td style='text-align: center; word-wrap: break-word;'>55.65</td><td style='text-align: center; word-wrap: break-word;'>136.61</td><td style='text-align: center; word-wrap: break-word;'>30.75</td><td style='text-align: center; word-wrap: break-word;'>14.88</td><td style='text-align: center; word-wrap: break-word;'>40.69</td><td style='text-align: center; word-wrap: break-word;'>176.65</td><td style='text-align: center; word-wrap: break-word;'>56.59</td><td style='text-align: center; word-wrap: break-word;'>135.81</td><td style='text-align: center; word-wrap: break-word;'>32.01</td><td style='text-align: center; word-wrap: break-word;'>15.47</td><td style='text-align: center; word-wrap: break-word;'>40.99</td><td style='text-align: center; word-wrap: break-word;'>176.79</td><td style='text-align: center; word-wrap: break-word;'>56.39</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>MANO</td><td style='text-align: center; word-wrap: break-word;'>97.37</td><td style='text-align: center; word-wrap: break-word;'>25.36</td><td style='text-align: center; word-wrap: break-word;'>10.71</td><td style='text-align: center; word-wrap: break-word;'>40.45</td><td style='text-align: center; word-wrap: break-word;'>169.67</td><td style='text-align: center; word-wrap: break-word;'>57.57</td><td style='text-align: center; word-wrap: break-word;'>97.08</td><td style='text-align: center; word-wrap: break-word;'>24.25</td><td style='text-align: center; word-wrap: break-word;'>10.74</td><td style='text-align: center; word-wrap: break-word;'>40.99</td><td style='text-align: center; word-wrap: break-word;'>170.05</td><td style='text-align: center; word-wrap: break-word;'>58.42</td><td style='text-align: center; word-wrap: break-word;'>96.93</td><td style='text-align: center; word-wrap: break-word;'>25.72</td><td style='text-align: center; word-wrap: break-word;'>11.97</td><td style='text-align: center; word-wrap: break-word;'>41.49</td><td style='text-align: center; word-wrap: break-word;'>171.27</td><td style='text-align: center; word-wrap: break-word;'>58.39</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>w/o $\Omega$</td><td style='text-align: center; word-wrap: break-word;'>92.76</td><td style='text-align: center; word-wrap: break-word;'>26.09</td><td style='text-align: center; word-wrap: break-word;'>10.37</td><td style='text-align: center; word-wrap: break-word;'>37.26</td><td style='text-align: center; word-wrap: break-word;'>153.96</td><td style='text-align: center; word-wrap: break-word;'>56.10</td><td style='text-align: center; word-wrap: break-word;'>92.65</td><td style='text-align: center; word-wrap: break-word;'>23.57</td><td style='text-align: center; word-wrap: break-word;'>10.75</td><td style='text-align: center; word-wrap: break-word;'>38.08</td><td style='text-align: center; word-wrap: break-word;'>158.38</td><td style='text-align: center; word-wrap: break-word;'>56.92</td><td style='text-align: center; word-wrap: break-word;'>93.81</td><td style='text-align: center; word-wrap: break-word;'>25.36</td><td style='text-align: center; word-wrap: break-word;'>12.29</td><td style='text-align: center; word-wrap: break-word;'>38.75</td><td style='text-align: center; word-wrap: break-word;'>159.89</td><td style='text-align: center; word-wrap: break-word;'>57.02</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>1-way</td><td style='text-align: center; word-wrap: break-word;'>99.21</td><td style='text-align: center; word-wrap: break-word;'>23.90</td><td style='text-align: center; word-wrap: break-word;'>10.52</td><td style='text-align: center; word-wrap: break-word;'>39.40</td><td style='text-align: center; word-wrap: break-word;'>158.57</td><td style='text-align: center; word-wrap: break-word;'>56.71</td><td style='text-align: center; word-wrap: break-word;'>98.46</td><td style='text-align: center; word-wrap: break-word;'>23.07</td><td style='text-align: center; word-wrap: break-word;'>10.99</td><td style='text-align: center; word-wrap: break-word;'>40.03</td><td style='text-align: center; word-wrap: break-word;'>158.08</td><td style='text-align: center; word-wrap: break-word;'>57.51</td><td style='text-align: center; word-wrap: break-word;'>98.47</td><td style='text-align: center; word-wrap: break-word;'>24.80</td><td style='text-align: center; word-wrap: break-word;'>12.39</td><td style='text-align: center; word-wrap: break-word;'>40.60</td><td style='text-align: center; word-wrap: break-word;'>159.69</td><td style='text-align: center; word-wrap: break-word;'>57.60</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>S1</td><td style='text-align: center; word-wrap: break-word;'>52.05</td><td style='text-align: center; word-wrap: break-word;'>17.04</td><td style='text-align: center; word-wrap: break-word;'>8.03</td><td style='text-align: center; word-wrap: break-word;'>23.49</td><td style='text-align: center; word-wrap: break-word;'>151.04</td><td style='text-align: center; word-wrap: break-word;'>49.58</td><td style='text-align: center; word-wrap: break-word;'>53.91</td><td style='text-align: center; word-wrap: break-word;'>16.43</td><td style='text-align: center; word-wrap: break-word;'>8.29</td><td style='text-align: center; word-wrap: break-word;'>23.72</td><td style='text-align: center; word-wrap: break-word;'>151.48</td><td style='text-align: center; word-wrap: break-word;'>50.33</td><td style='text-align: center; word-wrap: break-word;'>55.12</td><td style='text-align: center; word-wrap: break-word;'>18.33</td><td style='text-align: center; word-wrap: break-word;'>10.19</td><td style='text-align: center; word-wrap: break-word;'>24.89</td><td style='text-align: center; word-wrap: break-word;'>152.16</td><td style='text-align: center; word-wrap: break-word;'>50.55</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>S2</td><td style='text-align: center; word-wrap: break-word;'>48.90</td><td style='text-align: center; word-wrap: break-word;'>16.63</td><td style='text-align: center; word-wrap: break-word;'>7.99</td><td style='text-align: center; word-wrap: break-word;'>23.49</td><td style='text-align: center; word-wrap: break-word;'>158.35</td><td style='text-align: center; word-wrap: break-word;'>50.17</td><td style='text-align: center; word-wrap: break-word;'>50.14</td><td style='text-align: center; word-wrap: break-word;'>16.19</td><td style='text-align: center; word-wrap: break-word;'>8.28</td><td style='text-align: center; word-wrap: break-word;'>23.81</td><td style='text-align: center; word-wrap: break-word;'>158.46</td><td style='text-align: center; word-wrap: break-word;'>50.99</td><td style='text-align: center; word-wrap: break-word;'>51.44</td><td style='text-align: center; word-wrap: break-word;'>18.06</td><td style='text-align: center; word-wrap: break-word;'>10.17</td><td style='text-align: center; word-wrap: break-word;'>24.96</td><td style='text-align: center; word-wrap: break-word;'>159.47</td><td style='text-align: center; word-wrap: break-word;'>51.18</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>S3</td><td style='text-align: center; word-wrap: break-word;'>49.60</td><td style='text-align: center; word-wrap: break-word;'>16.64</td><td style='text-align: center; word-wrap: break-word;'>7.99</td><td style='text-align: center; word-wrap: break-word;'>23.47</td><td style='text-align: center; word-wrap: break-word;'>158.96</td><td style='text-align: center; word-wrap: break-word;'>49.95</td><td style='text-align: center; word-wrap: break-word;'>50.89</td><td style='text-align: center; word-wrap: break-word;'>16.20</td><td style='text-align: center; word-wrap: break-word;'>8.28</td><td style='text-align: center; word-wrap: break-word;'>23.79</td><td style='text-align: center; word-wrap: break-word;'>159.48</td><td style='text-align: center; word-wrap: break-word;'>50.78</td><td style='text-align: center; word-wrap: break-word;'>52.23</td><td style='text-align: center; word-wrap: break-word;'>18.08</td><td style='text-align: center; word-wrap: break-word;'>10.18</td><td style='text-align: center; word-wrap: break-word;'>24.95</td><td style='text-align: center; word-wrap: break-word;'>160.39</td><td style='text-align: center; word-wrap: break-word;'>50.97</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>S4</td><td style='text-align: center; word-wrap: break-word;'>48.40</td><td style='text-align: center; word-wrap: break-word;'>16.61</td><td style='text-align: center; word-wrap: break-word;'>7.99</td><td style='text-align: center; word-wrap: break-word;'>23.44</td><td style='text-align: center; word-wrap: break-word;'>158.51</td><td style='text-align: center; word-wrap: break-word;'>50.16</td><td style='text-align: center; word-wrap: break-word;'>49.63</td><td style='text-align: center; word-wrap: break-word;'>16.19</td><td style='text-align: center; word-wrap: break-word;'>8.29</td><td style='text-align: center; word-wrap: break-word;'>23.75</td><td style='text-align: center; word-wrap: break-word;'>158.72</td><td style='text-align: center; word-wrap: break-word;'>50.99</td><td style='text-align: center; word-wrap: break-word;'>50.92</td><td style='text-align: center; word-wrap: break-word;'>18.06</td><td style='text-align: center; word-wrap: break-word;'>10.17</td><td style='text-align: center; word-wrap: break-word;'>24.91</td><td style='text-align: center; word-wrap: break-word;'>159.71</td><td style='text-align: center; word-wrap: break-word;'>51.17</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>S5</td><td style='text-align: center; word-wrap: break-word;'>47.28</td><td style='text-align: center; word-wrap: break-word;'>16.63</td><td style='text-align: center; word-wrap: break-word;'>7.99</td><td style='text-align: center; word-wrap: break-word;'>23.29</td><td style='text-align: center; word-wrap: break-word;'>159.70</td><td style='text-align: center; word-wrap: break-word;'>49.84</td><td style='text-align: center; word-wrap: break-word;'>48.46</td><td style='text-align: center; word-wrap: break-word;'>16.20</td><td style='text-align: center; word-wrap: break-word;'>8.29</td><td style='text-align: center; word-wrap: break-word;'>23.60</td><td style='text-align: center; word-wrap: break-word;'>160.03</td><td style='text-align: center; word-wrap: break-word;'>50.68</td><td style='text-align: center; word-wrap: break-word;'>49.72</td><td style='text-align: center; word-wrap: break-word;'>18.06</td><td style='text-align: center; word-wrap: break-word;'>10.16</td><td style='text-align: center; word-wrap: break-word;'>24.75</td><td style='text-align: center; word-wrap: break-word;'>160.98</td><td style='text-align: center; word-wrap: break-word;'>50.85</td></tr></table>

---

<div style="text-align: center;">Table 18: Contact and visibility ablation on OakInk-v2, TACO, and HOI4D. P, R, and F1 denote contact precision, recall, and F1, and VP, VR, and VF1 the corresponding visibility scores.</div>

<table border=1 style='margin: auto; word-wrap: break-word;'><tr><td style='text-align: center; word-wrap: break-word;'></td><td colspan="5">21 joints</td><td colspan="5">195 vertices</td><td colspan="5">778 vertices</td><td style='text-align: center; word-wrap: break-word;'></td><td style='text-align: center; word-wrap: break-word;'></td><td style='text-align: center; word-wrap: break-word;'></td></tr><tr><td style='text-align: center; word-wrap: break-word;'>Variant</td><td style='text-align: center; word-wrap: break-word;'>P $\uparrow$</td><td style='text-align: center; word-wrap: break-word;'>R $\uparrow$</td><td style='text-align: center; word-wrap: break-word;'>F1 $\uparrow$</td><td style='text-align: center; word-wrap: break-word;'>VP $\uparrow$</td><td style='text-align: center; word-wrap: break-word;'>VR $\uparrow$</td><td style='text-align: center; word-wrap: break-word;'>VF1 $\uparrow$</td><td style='text-align: center; word-wrap: break-word;'>P $\uparrow$</td><td style='text-align: center; word-wrap: break-word;'>R $\uparrow$</td><td style='text-align: center; word-wrap: break-word;'>F1 $\uparrow$</td><td style='text-align: center; word-wrap: break-word;'>VP $\uparrow$</td><td style='text-align: center; word-wrap: break-word;'>VR $\uparrow$</td><td style='text-align: center; word-wrap: break-word;'>VF1 $\uparrow$</td><td style='text-align: center; word-wrap: break-word;'>P $\uparrow$</td><td style='text-align: center; word-wrap: break-word;'>R $\uparrow$</td><td style='text-align: center; word-wrap: break-word;'>F1 $\uparrow$</td><td style='text-align: center; word-wrap: break-word;'>VP $\uparrow$</td><td style='text-align: center; word-wrap: break-word;'>VR $\uparrow$</td><td style='text-align: center; word-wrap: break-word;'>VF1 $\uparrow$</td></tr><tr><td colspan="18">OakInk-v2</td><td style='text-align: center; word-wrap: break-word;'></td></tr><tr><td style='text-align: center; word-wrap: break-word;'>0.05B</td><td style='text-align: center; word-wrap: break-word;'>0.541</td><td style='text-align: center; word-wrap: break-word;'>0.283</td><td style='text-align: center; word-wrap: break-word;'>0.298</td><td style='text-align: center; word-wrap: break-word;'>0.820</td><td style='text-align: center; word-wrap: break-word;'>0.736</td><td style='text-align: center; word-wrap: break-word;'>0.760</td><td style='text-align: center; word-wrap: break-word;'>0.600</td><td style='text-align: center; word-wrap: break-word;'>0.251</td><td style='text-align: center; word-wrap: break-word;'>0.277</td><td style='text-align: center; word-wrap: break-word;'>0.678</td><td style='text-align: center; word-wrap: break-word;'>0.170</td><td style='text-align: center; word-wrap: break-word;'>0.244</td><td style='text-align: center; word-wrap: break-word;'>0.373</td><td style='text-align: center; word-wrap: break-word;'>0.165</td><td style='text-align: center; word-wrap: break-word;'>0.175</td><td style='text-align: center; word-wrap: break-word;'>0.695</td><td style='text-align: center; word-wrap: break-word;'>0.161</td><td style='text-align: center; word-wrap: break-word;'>0.235</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>0.1B</td><td style='text-align: center; word-wrap: break-word;'>0.549</td><td style='text-align: center; word-wrap: break-word;'>0.358</td><td style='text-align: center; word-wrap: break-word;'>0.345</td><td style='text-align: center; word-wrap: break-word;'>0.843</td><td style='text-align: center; word-wrap: break-word;'>0.708</td><td style='text-align: center; word-wrap: break-word;'>0.752</td><td style='text-align: center; word-wrap: break-word;'>0.620</td><td style='text-align: center; word-wrap: break-word;'>0.170</td><td style='text-align: center; word-wrap: break-word;'>0.205</td><td style='text-align: center; word-wrap: break-word;'>0.720</td><td style='text-align: center; word-wrap: break-word;'>0.192</td><td style='text-align: center; word-wrap: break-word;'>0.272</td><td style='text-align: center; word-wrap: break-word;'>0.325</td><td style='text-align: center; word-wrap: break-word;'>0.194</td><td style='text-align: center; word-wrap: break-word;'>0.185</td><td style='text-align: center; word-wrap: break-word;'>0.733</td><td style='text-align: center; word-wrap: break-word;'>0.186</td><td style='text-align: center; word-wrap: break-word;'>0.267</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>MANO</td><td style='text-align: center; word-wrap: break-word;'>0.512</td><td style='text-align: center; word-wrap: break-word;'>0.595</td><td style='text-align: center; word-wrap: break-word;'>0.474</td><td style='text-align: center; word-wrap: break-word;'>0.927</td><td style='text-align: center; word-wrap: break-word;'>0.807</td><td style='text-align: center; word-wrap: break-word;'>0.856</td><td style='text-align: center; word-wrap: break-word;'>0.537</td><td style='text-align: center; word-wrap: break-word;'>0.582</td><td style='text-align: center; word-wrap: break-word;'>0.485</td><td style='text-align: center; word-wrap: break-word;'>0.566</td><td style='text-align: center; word-wrap: break-word;'>0.775</td><td style='text-align: center; word-wrap: break-word;'>0.642</td><td style='text-align: center; word-wrap: break-word;'>0.530</td><td style='text-align: center; word-wrap: break-word;'>0.175</td><td style='text-align: center; word-wrap: break-word;'>0.206</td><td style='text-align: center; word-wrap: break-word;'>0.567</td><td style='text-align: center; word-wrap: break-word;'>0.760</td><td style='text-align: center; word-wrap: break-word;'>0.636</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>w/o $\Omega$</td><td style='text-align: center; word-wrap: break-word;'>0.535</td><td style='text-align: center; word-wrap: break-word;'>0.606</td><td style='text-align: center; word-wrap: break-word;'>0.480</td><td style='text-align: center; word-wrap: break-word;'>0.925</td><td style='text-align: center; word-wrap: break-word;'>0.796</td><td style='text-align: center; word-wrap: break-word;'>0.844</td><td style='text-align: center; word-wrap: break-word;'>0.552</td><td style='text-align: center; word-wrap: break-word;'>0.557</td><td style='text-align: center; word-wrap: break-word;'>0.463</td><td style='text-align: center; word-wrap: break-word;'>0.554</td><td style='text-align: center; word-wrap: break-word;'>0.770</td><td style='text-align: center; word-wrap: break-word;'>0.630</td><td style='text-align: center; word-wrap: break-word;'>0.276</td><td style='text-align: center; word-wrap: break-word;'>0.250</td><td style='text-align: center; word-wrap: break-word;'>0.203</td><td style='text-align: center; word-wrap: break-word;'>0.553</td><td style='text-align: center; word-wrap: break-word;'>0.757</td><td style='text-align: center; word-wrap: break-word;'>0.625</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>1-way</td><td style='text-align: center; word-wrap: break-word;'>0.595</td><td style='text-align: center; word-wrap: break-word;'>0.489</td><td style='text-align: center; word-wrap: break-word;'>0.451</td><td style='text-align: center; word-wrap: break-word;'>0.923</td><td style='text-align: center; word-wrap: break-word;'>0.802</td><td style='text-align: center; word-wrap: break-word;'>0.848</td><td style='text-align: center; word-wrap: break-word;'>0.592</td><td style='text-align: center; word-wrap: break-word;'>0.492</td><td style='text-align: center; word-wrap: break-word;'>0.449</td><td style='text-align: center; word-wrap: break-word;'>0.561</td><td style='text-align: center; word-wrap: break-word;'>0.772</td><td style='text-align: center; word-wrap: break-word;'>0.637</td><td style='text-align: center; word-wrap: break-word;'>0.311</td><td style='text-align: center; word-wrap: break-word;'>0.254</td><td style='text-align: center; word-wrap: break-word;'>0.212</td><td style='text-align: center; word-wrap: break-word;'>0.561</td><td style='text-align: center; word-wrap: break-word;'>0.757</td><td style='text-align: center; word-wrap: break-word;'>0.632</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>S1</td><td style='text-align: center; word-wrap: break-word;'>0.511</td><td style='text-align: center; word-wrap: break-word;'>0.673</td><td style='text-align: center; word-wrap: break-word;'>0.498</td><td style='text-align: center; word-wrap: break-word;'>0.921</td><td style='text-align: center; word-wrap: break-word;'>0.744</td><td style='text-align: center; word-wrap: break-word;'>0.800</td><td style='text-align: center; word-wrap: break-word;'>0.524</td><td style='text-align: center; word-wrap: break-word;'>0.602</td><td style='text-align: center; word-wrap: break-word;'>0.473</td><td style='text-align: center; word-wrap: break-word;'>0.552</td><td style='text-align: center; word-wrap: break-word;'>0.706</td><td style='text-align: center; word-wrap: break-word;'>0.592</td><td style='text-align: center; word-wrap: break-word;'>0.552</td><td style='text-align: center; word-wrap: break-word;'>0.331</td><td style='text-align: center; word-wrap: break-word;'>0.329</td><td style='text-align: center; word-wrap: break-word;'>0.550</td><td style='text-align: center; word-wrap: break-word;'>0.692</td><td style='text-align: center; word-wrap: break-word;'>0.585</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>S2</td><td style='text-align: center; word-wrap: break-word;'>0.509</td><td style='text-align: center; word-wrap: break-word;'>0.670</td><td style='text-align: center; word-wrap: break-word;'>0.494</td><td style='text-align: center; word-wrap: break-word;'>0.920</td><td style='text-align: center; word-wrap: break-word;'>0.747</td><td style='text-align: center; word-wrap: break-word;'>0.802</td><td style='text-align: center; word-wrap: break-word;'>0.518</td><td style='text-align: center; word-wrap: break-word;'>0.613</td><td style='text-align: center; word-wrap: break-word;'>0.475</td><td style='text-align: center; word-wrap: break-word;'>0.557</td><td style='text-align: center; word-wrap: break-word;'>0.703</td><td style='text-align: center; word-wrap: break-word;'>0.594</td><td style='text-align: center; word-wrap: break-word;'>0.528</td><td style='text-align: center; word-wrap: break-word;'>0.319</td><td style='text-align: center; word-wrap: break-word;'>0.313</td><td style='text-align: center; word-wrap: break-word;'>0.555</td><td style='text-align: center; word-wrap: break-word;'>0.689</td><td style='text-align: center; word-wrap: break-word;'>0.587</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>S3</td><td style='text-align: center; word-wrap: break-word;'>0.513</td><td style='text-align: center; word-wrap: break-word;'>0.667</td><td style='text-align: center; word-wrap: break-word;'>0.497</td><td style='text-align: center; word-wrap: break-word;'>0.919</td><td style='text-align: center; word-wrap: break-word;'>0.747</td><td style='text-align: center; word-wrap: break-word;'>0.802</td><td style='text-align: center; word-wrap: break-word;'>0.522</td><td style='text-align: center; word-wrap: break-word;'>0.612</td><td style='text-align: center; word-wrap: break-word;'>0.478</td><td style='text-align: center; word-wrap: break-word;'>0.556</td><td style='text-align: center; word-wrap: break-word;'>0.704</td><td style='text-align: center; word-wrap: break-word;'>0.595</td><td style='text-align: center; word-wrap: break-word;'>0.513</td><td style='text-align: center; word-wrap: break-word;'>0.326</td><td style='text-align: center; word-wrap: break-word;'>0.318</td><td style='text-align: center; word-wrap: break-word;'>0.555</td><td style='text-align: center; word-wrap: break-word;'>0.690</td><td style='text-align: center; word-wrap: break-word;'>0.588</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>S4</td><td style='text-align: center; word-wrap: break-word;'>0.511</td><td style='text-align: center; word-wrap: break-word;'>0.665</td><td style='text-align: center; word-wrap: break-word;'>0.495</td><td style='text-align: center; word-wrap: break-word;'>0.919</td><td style='text-align: center; word-wrap: break-word;'>0.747</td><td style='text-align: center; word-wrap: break-word;'>0.802</td><td style='text-align: center; word-wrap: break-word;'>0.521</td><td style='text-align: center; word-wrap: break-word;'>0.611</td><td style='text-align: center; word-wrap: break-word;'>0.477</td><td style='text-align: center; word-wrap: break-word;'>0.557</td><td style='text-align: center; word-wrap: break-word;'>0.704</td><td style='text-align: center; word-wrap: break-word;'>0.595</td><td style='text-align: center; word-wrap: break-word;'>0.521</td><td style='text-align: center; word-wrap: break-word;'>0.329</td><td style='text-align: center; word-wrap: break-word;'>0.320</td><td style='text-align: center; word-wrap: break-word;'>0.555</td><td style='text-align: center; word-wrap: break-word;'>0.690</td><td style='text-align: center; word-wrap: break-word;'>0.588</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>S5</td><td style='text-align: center; word-wrap: break-word;'>0.510</td><td style='text-align: center; word-wrap: break-word;'>0.665</td><td style='text-align: center; word-wrap: break-word;'>0.493</td><td style='text-align: center; word-wrap: break-word;'>0.919</td><td style='text-align: center; word-wrap: break-word;'>0.747</td><td style='text-align: center; word-wrap: break-word;'>0.802</td><td style='text-align: center; word-wrap: break-word;'>0.525</td><td style='text-align: center; word-wrap: break-word;'>0.611</td><td style='text-align: center; word-wrap: break-word;'>0.479</td><td style='text-align: center; word-wrap: break-word;'>0.556</td><td style='text-align: center; word-wrap: break-word;'>0.705</td><td style='text-align: center; word-wrap: break-word;'>0.595</td><td style='text-align: center; word-wrap: break-word;'>0.516</td><td style='text-align: center; word-wrap: break-word;'>0.329</td><td style='text-align: center; word-wrap: break-word;'>0.320</td><td style='text-align: center; word-wrap: break-word;'>0.555</td><td style='text-align: center; word-wrap: break-word;'>0.690</td><td style='text-align: center; word-wrap: break-word;'>0.588</td></tr><tr><td colspan="18">TACO</td><td style='text-align: center; word-wrap: break-word;'></td></tr><tr><td style='text-align: center; word-wrap: break-word;'>0.05B</td><td style='text-align: center; word-wrap: break-word;'>0.610</td><td style='text-align: center; word-wrap: break-word;'>0.523</td><td style='text-align: center; word-wrap: break-word;'>0.542</td><td style='text-align: center; word-wrap: break-word;'>0.852</td><td style='text-align: center; word-wrap: break-word;'>0.761</td><td style='text-align: center; word-wrap: break-word;'>0.800</td><td style='text-align: center; word-wrap: break-word;'>0.609</td><td style='text-align: center; word-wrap: break-word;'>0.447</td><td style='text-align: center; word-wrap: break-word;'>0.493</td><td style='text-align: center; word-wrap: break-word;'>0.602</td><td style='text-align: center; word-wrap: break-word;'>0.260</td><td style='text-align: center; word-wrap: break-word;'>0.350</td><td style='text-align: center; word-wrap: break-word;'>0.333</td><td style='text-align: center; word-wrap: break-word;'>0.162</td><td style='text-align: center; word-wrap: break-word;'>0.188</td><td style='text-align: center; word-wrap: break-word;'>0.612</td><td style='text-align: center; word-wrap: break-word;'>0.249</td><td style='text-align: center; word-wrap: break-word;'>0.341</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>0.1B</td><td style='text-align: center; word-wrap: break-word;'>0.590</td><td style='text-align: center; word-wrap: break-word;'>0.611</td><td style='text-align: center; word-wrap: break-word;'>0.579</td><td style='text-align: center; word-wrap: break-word;'>0.871</td><td style='text-align: center; word-wrap: break-word;'>0.750</td><td style='text-align: center; word-wrap: break-word;'>0.801</td><td style='text-align: center; word-wrap: break-word;'>0.600</td><td style='text-align: center; word-wrap: break-word;'>0.476</td><td style='text-align: center; word-wrap: break-word;'>0.506</td><td style='text-align: center; word-wrap: break-word;'>0.591</td><td style='text-align: center; word-wrap: break-word;'>0.298</td><td style='text-align: center; word-wrap: break-word;'>0.381</td><td style='text-align: center; word-wrap: break-word;'>0.357</td><td style='text-align: center; word-wrap: break-word;'>0.147</td><td style='text-align: center; word-wrap: break-word;'>0.177</td><td style='text-align: center; word-wrap: break-word;'>0.597</td><td style='text-align: center; word-wrap: break-word;'>0.288</td><td style='text-align: center; word-wrap: break-word;'>0.373</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>MANO</td><td style='text-align: center; word-wrap: break-word;'>0.668</td><td style='text-align: center; word-wrap: break-word;'>0.665</td><td style='text-align: center; word-wrap: break-word;'>0.643</td><td style='text-align: center; word-wrap: break-word;'>0.921</td><td style='text-align: center; word-wrap: break-word;'>0.801</td><td style='text-align: center; word-wrap: break-word;'>0.854</td><td style='text-align: center; word-wrap: break-word;'>0.642</td><td style='text-align: center; word-wrap: break-word;'>0.586</td><td style='text-align: center; word-wrap: break-word;'>0.592</td><td style='text-align: center; word-wrap: break-word;'>0.458</td><td style='text-align: center; word-wrap: break-word;'>0.741</td><td style='text-align: center; word-wrap: break-word;'>0.562</td><td style='text-align: center; word-wrap: break-word;'>0.462</td><td style='text-align: center; word-wrap: break-word;'>0.163</td><td style='text-align: center; word-wrap: break-word;'>0.218</td><td style='text-align: center; word-wrap: break-word;'>0.463</td><td style='text-align: center; word-wrap: break-word;'>0.719</td><td style='text-align: center; word-wrap: break-word;'>0.559</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>w/o $\Omega$</td><td style='text-align: center; word-wrap: break-word;'>0.665</td><td style='text-align: center; word-wrap: break-word;'>0.695</td><td style='text-align: center; word-wrap: break-word;'>0.661</td><td style='text-align: center; word-wrap: break-word;'>0.913</td><td style='text-align: center; word-wrap: break-word;'>0.813</td><td style='text-align: center; word-wrap: break-word;'>0.856</td><td style='text-align: center; word-wrap: break-word;'>0.640</td><td style='text-align: center; word-wrap: break-word;'>0.608</td><td style='text-align: center; word-wrap: break-word;'>0.599</td><td style='text-align: center; word-wrap: break-word;'>0.447</td><td style='text-align: center; word-wrap: break-word;'>0.758</td><td style='text-align: center; word-wrap: break-word;'>0.557</td><td style='text-align: center; word-wrap: break-word;'>0.347</td><td style='text-align: center; word-wrap: break-word;'>0.163</td><td style='text-align: center; word-wrap: break-word;'>0.196</td><td style='text-align: center; word-wrap: break-word;'>0.451</td><td style='text-align: center; word-wrap: break-word;'>0.741</td><td style='text-align: center; word-wrap: break-word;'>0.554</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>1-way</td><td style='text-align: center; word-wrap: break-word;'>0.705</td><td style='text-align: center; word-wrap: break-word;'>0.600</td><td style='text-align: center; word-wrap: break-word;'>0.628</td><td style='text-align: center; word-wrap: break-word;'>0.907</td><td style='text-align: center; word-wrap: break-word;'>0.825</td><td style='text-align: center; word-wrap: break-word;'>0.861</td><td style='text-align: center; word-wrap: break-word;'>0.645</td><td style='text-align: center; word-wrap: break-word;'>0.613</td><td style='text-align: center; word-wrap: break-word;'>0.609</td><td style='text-align: center; word-wrap: break-word;'>0.459</td><td style='text-align: center; word-wrap: break-word;'>0.749</td><td style='text-align: center; word-wrap: break-word;'>0.564</td><td style='text-align: center; word-wrap: break-word;'>0.370</td><td style='text-align: center; word-wrap: break-word;'>0.202</td><td style='text-align: center; word-wrap: break-word;'>0.236</td><td style='text-align: center; word-wrap: break-word;'>0.462</td><td style='text-align: center; word-wrap: break-word;'>0.732</td><td style='text-align: center; word-wrap: break-word;'>0.562</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>S1</td><td style='text-align: center; word-wrap: break-word;'>0.639</td><td style='text-align: center; word-wrap: break-word;'>0.800</td><td style='text-align: center; word-wrap: break-word;'>0.698</td><td style='text-align: center; word-wrap: break-word;'>0.912</td><td style='text-align: center; word-wrap: break-word;'>0.857</td><td style='text-align: center; word-wrap: break-word;'>0.881</td><td style='text-align: center; word-wrap: break-word;'>0.598</td><td style='text-align: center; word-wrap: break-word;'>0.782</td><td style='text-align: center; word-wrap: break-word;'>0.665</td><td style='text-align: center; word-wrap: break-word;'>0.432</td><td style='text-align: center; word-wrap: break-word;'>0.821</td><td style='text-align: center; word-wrap: break-word;'>0.563</td><td style='text-align: center; word-wrap: break-word;'>0.364</td><td style='text-align: center; word-wrap: break-word;'>0.258</td><td style='text-align: center; word-wrap: break-word;'>0.274</td><td style='text-align: center; word-wrap: break-word;'>0.434</td><td style='text-align: center; word-wrap: break-word;'>0.808</td><td style='text-align: center; word-wrap: break-word;'>0.562</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>S2</td><td style='text-align: center; word-wrap: break-word;'>0.655</td><td style='text-align: center; word-wrap: break-word;'>0.776</td><td style='text-align: center; word-wrap: break-word;'>0.696</td><td style='text-align: center; word-wrap: break-word;'>0.917</td><td style='text-align: center; word-wrap: break-word;'>0.850</td><td style='text-align: center; word-wrap: break-word;'>0.879</td><td style='text-align: center; word-wrap: break-word;'>0.636</td><td style='text-align: center; word-wrap: break-word;'>0.719</td><td style='text-align: center; word-wrap: break-word;'>0.661</td><td style='text-align: center; word-wrap: break-word;'>0.436</td><td style='text-align: center; word-wrap: break-word;'>0.818</td><td style='text-align: center; word-wrap: break-word;'>0.567</td><td style='text-align: center; word-wrap: break-word;'>0.516</td><td style='text-align: center; word-wrap: break-word;'>0.277</td><td style='text-align: center; word-wrap: break-word;'>0.330</td><td style='text-align: center; word-wrap: break-word;'>0.439</td><td style='text-align: center; word-wrap: break-word;'>0.805</td><td style='text-align: center; word-wrap: break-word;'>0.565</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>S3</td><td style='text-align: center; word-wrap: break-word;'>0.655</td><td style='text-align: center; word-wrap: break-word;'>0.776</td><td style='text-align: center; word-wrap: break-word;'>0.697</td><td style='text-align: center; word-wrap: break-word;'>0.917</td><td style='text-align: center; word-wrap: break-word;'>0.850</td><td style='text-align: center; word-wrap: break-word;'>0.879</td><td style='text-align: center; word-wrap: break-word;'>0.635</td><td style='text-align: center; word-wrap: break-word;'>0.719</td><td style='text-align: center; word-wrap: break-word;'>0.661</td><td style='text-align: center; word-wrap: break-word;'>0.436</td><td style='text-align: center; word-wrap: break-word;'>0.819</td><td style='text-align: center; word-wrap: break-word;'>0.567</td><td style='text-align: center; word-wrap: break-word;'>0.514</td><td style='text-align: center; word-wrap: break-word;'>0.277</td><td style='text-align: center; word-wrap: break-word;'>0.330</td><td style='text-align: center; word-wrap: break-word;'>0.439</td><td style='text-align: center; word-wrap: break-word;'>0.806</td><td style='text-align: center; word-wrap: break-word;'>0.565</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>S4</td><td style='text-align: center; word-wrap: break-word;'>0.655</td><td style='text-align: center; word-wrap: break-word;'>0.777</td><td style='text-align: center; word-wrap: break-word;'>0.697</td><td style='text-align: center; word-wrap: break-word;'>0.917</td><td style='text-align: center; word-wrap: break-word;'>0.850</td><td style='text-align: center; word-wrap: break-word;'>0.880</td><td style='text-align: center; word-wrap: break-word;'>0.636</td><td style='text-align: center; word-wrap: break-word;'>0.719</td><td style='text-align: center; word-wrap: break-word;'>0.661</td><td style='text-align: center; word-wrap: break-word;'>0.436</td><td style='text-align: center; word-wrap: break-word;'>0.819</td><td style='text-align: center; word-wrap: break-word;'>0.567</td><td style='text-align: center; word-wrap: break-word;'>0.513</td><td style='text-align: center; word-wrap: break-word;'>0.272</td><td style='text-align: center; word-wrap: break-word;'>0.326</td><td style='text-align: center; word-wrap: break-word;'>0.439</td><td style='text-align: center; word-wrap: break-word;'>0.805</td><td style='text-align: center; word-wrap: break-word;'>0.565</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>S5</td><td style='text-align: center; word-wrap: break-word;'>0.654</td><td style='text-align: center; word-wrap: break-word;'>0.777</td><td style='text-align: center; word-wrap: break-word;'>0.697</td><td style='text-align: center; word-wrap: break-word;'>0.917</td><td style='text-align: center; word-wrap: break-word;'>0.850</td><td style='text-align: center; word-wrap: break-word;'>0.880</td><td style='text-align: center; word-wrap: break-word;'>0.636</td><td style='text-align: center; word-wrap: break-word;'>0.719</td><td style='text-align: center; word-wrap: break-word;'>0.661</td><td style='text-align: center; word-wrap: break-word;'>0.437</td><td style='text-align: center; word-wrap: break-word;'>0.818</td><td style='text-align: center; word-wrap: break-word;'>0.567</td><td style='text-align: center; word-wrap: break-word;'>0.516</td><td style='text-align: center; word-wrap: break-word;'>0.265</td><td style='text-align: center; word-wrap: break-word;'>0.320</td><td style='text-align: center; word-wrap: break-word;'>0.439</td><td style='text-align: center; word-wrap: break-word;'>0.805</td><td style='text-align: center; word-wrap: break-word;'>0.565</td></tr><tr><td colspan="18">HOI4D</td><td style='text-align: center; word-wrap: break-word;'></td></tr><tr><td style='text-align: center; word-wrap: break-word;'>0.05B</td><td style='text-align: center; word-wrap: break-word;'>0.612</td><td style='text-align: center; word-wrap: break-word;'>0.443</td><td style='text-align: center; word-wrap: break-word;'>0.448</td><td style='text-align: center; word-wrap: break-word;'>0.825</td><td style='text-align: center; word-wrap: break-word;'>0.762</td><td style='text-align: center; word-wrap: break-word;'>0.783</td><td style='text-align: center; word-wrap: break-word;'>0.612</td><td style='text-align: center; word-wrap: break-word;'>0.503</td><td style='text-align: center; word-wrap: break-word;'>0.475</td><td style='text-align: center; word-wrap: break-word;'>0.606</td><td style='text-align: center; word-wrap: break-word;'>0.332</td><td style='text-align: center; word-wrap: break-word;'>0.411</td><td style='text-align: center; word-wrap: break-word;'>0.561</td><td style='text-align: center; word-wrap: break-word;'>0.034</td><td style='text-align: center; word-wrap: break-word;'>0.051</td><td style='text-align: center; word-wrap: break-word;'>0.644</td><td style='text-align: center; word-wrap: break-word;'>0.328</td><td style='text-align: center; word-wrap: break-word;'>0.417</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>0.1B</td><td style='text-align: center; word-wrap: break-word;'>0.546</td><td style='text-align: center; word-wrap: break-word;'>0.636</td><td style='text-align: center; word-wrap: break-word;'>0.526</td><td style='text-align: center; word-wrap: break-word;'>0.833</td><td style='text-align: center; word-wrap: break-word;'>0.744</td><td style='text-align: center; word-wrap: break-word;'>0.777</td><td style='text-align: center; word-wrap: break-word;'>0.639</td><td style='text-align: center; word-wrap: break-word;'>0.426</td><td style='text-align: center; word-wrap: break-word;'>0.422</td><td style='text-align: center; word-wrap: break-word;'>0.626</td><td style='text-align: center; word-wrap: break-word;'>0.348</td><td style='text-align: center; word-wrap: break-word;'>0.428</td><td style='text-align: center; word-wrap: break-word;'>0.478</td><td style='text-align: center; word-wrap: break-word;'>0.063</td><td style='text-align: center; word-wrap: break-word;'>0.081</td><td style='text-align: center; word-wrap: break-word;'>0.666</td><td style='text-align: center; word-wrap: break-word;'>0.345</td><td style='text-align: center; word-wrap: break-word;'>0.438</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>MANO</td><td style='text-align: center; word-wrap: break-word;'>0.600</td><td style='text-align: center; word-wrap: break-word;'>0.676</td><td style='text-align: center; word-wrap: break-word;'>0.593</td><td style='text-align: center; word-wrap: break-word;'>0.892</td><td style='text-align: center; word-wrap: break-word;'>0.812</td><td style='text-align: center; word-wrap: break-word;'>0.844</td><td style='text-align: center; word-wrap: break-word;'>0.638</td><td style='text-align: center; word-wrap: break-word;'>0.550</td><td style='text-align: center; word-wrap: break-word;'>0.528</td><td style='text-align: center; word-wrap: break-word;'>0.613</td><td style='text-align: center; word-wrap: break-word;'>0.685</td><td style='text-align: center; word-wrap: break-word;'>0.641</td><td style='text-align: center; word-wrap: break-word;'>0.507</td><td style='text-align: center; word-wrap: break-word;'>0.163</td><td style='text-align: center; word-wrap: break-word;'>0.195</td><td style='text-align: center; word-wrap: break-word;'>0.624</td><td style='text-align: center; word-wrap: break-word;'>0.672</td><td style='text-align: center; word-wrap: break-word;'>0.640</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>w/o $\Omega$</td><td style='text-align: center; word-wrap: break-word;'>0.606</td><td style='text-align: center; word-wrap: break-word;'>0.699</td><td style='text-align: center; word-wrap: break-word;'>0.597</td><td style='text-align: center; word-wrap: break-word;'>0.902</td><td style='text-align: center; word-wrap: break-word;'>0.781</td><td style='text-align: center; word-wrap: break-word;'>0.833</td><td style='text-align: center; word-wrap: break-word;'>0.624</td><td style='text-align: center; word-wrap: break-word;'>0.678</td><td style='text-align: center; word-wrap: break-word;'>0.594</td><td style='text-align: center; word-wrap: break-word;'>0.589</td><td style='text-align: center; word-wrap: break-word;'>0.697</td><td style='text-align: center; word-wrap: break-word;'>0.631</td><td style='text-align: center; word-wrap: break-word;'>0.350</td><td style='text-align: center; word-wrap: break-word;'>0.263</td><td style='text-align: center; word-wrap: break-word;'>0.244</td><td style='text-align: center; word-wrap: break-word;'>0.601</td><td style='text-align: center; word-wrap: break-word;'>0.683</td><td style='text-align: center; word-wrap: break-word;'>0.631</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>1-way</td><td style='text-align: center; word-wrap: break-word;'>0.630</td><td style='text-align: center; word-wrap: break-word;'>0.645</td><td style='text-align: center; word-wrap: break-word;'>0.582</td><td style='text-align: center; word-wrap: break-word;'>0.914</td><td style='text-align: center; word-wrap: break-word;'>0.787</td><td style='text-align: center; word-wrap: break-word;'>0.841</td><td style='text-align: center; word-wrap: break-word;'>0.605</td><td style='text-align: center; word-wrap: break-word;'>0.696</td><td style='text-align: center; word-wrap: break-word;'>0.592</td><td style='text-align: center; word-wrap: break-word;'>0.605</td><td style='text-align: center; word-wrap: break-word;'>0.693</td><td style='text-align: center; word-wrap: break-word;'>0.641</td><td style='text-align: center; word-wrap: break-word;'>0.443</td><td style='text-align: center; word-wrap: break-word;'>0.148</td><td style='text-align: center; word-wrap: break-word;'>0.169</td><td style='text-align: center; word-wrap: break-word;'>0.620</td><td style='text-align: center; word-wrap: break-word;'>0.680</td><td style='text-align: center; word-wrap: break-word;'>0.643</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>S1</td><td style='text-align: center; word-wrap: break-word;'>0.606</td><td style='text-align: center; word-wrap: break-word;'>0.845</td><td style='text-align: center; word-wrap: break-word;'>0.675</td><td style='text-align: center; word-wrap: break-word;'>0.892</td><td style='text-align: center; word-wrap: break-word;'>0.885</td><td style='text-align: center; word-wrap: break-word;'>0.886</td><td style='text-align: center; word-wrap: break-word;'>0.597</td><td style='text-align: center; word-wrap: break-word;'>0.820</td><td style='text-align: center; word-wrap: break-word;'>0.654</td><td style='text-align: center; word-wrap: break-word;'>0.570</td><td style='text-align: center; word-wrap: break-word;'>0.793</td><td style='text-align: center; word-wrap: break-word;'>0.660</td><td style='text-align: center; word-wrap: break-word;'>0.493</td><td style='text-align: center; word-wrap: break-word;'>0.442</td><td style='text-align: center; word-wrap: break-word;'>0.404</td><td style='text-align: center; word-wrap: break-word;'>0.578</td><td style='text-align: center; word-wrap: break-word;'>0.784</td><td style='text-align: center; word-wrap: break-word;'>0.662</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>S2</td><td style='text-align: center; word-wrap: break-word;'>0.612</td><td style='text-align: center; word-wrap: break-word;'>0.834</td><td style='text-align: center; word-wrap: break-word;'>0.675</td><td style='text-align: center; word-wrap: break-word;'>0.891</td><td style='text-align: center; word-wrap: break-word;'>0.884</td><td style='text-align: center; word-wrap: break-word;'>0.885</td><td style='text-align: center; word-wrap: break-word;'>0.606</td><td style='text-align: center; word-wrap: break-word;'>0.809</td><td style='text-align: center; word-wrap: break-word;'>0.656</td><td style='text-align: center; word-wrap: break-word;'>0.573</td><td style='text-align: center; word-wrap: break-word;'>0.789</td><td style='text-align: center; word-wrap: break-word;'>0.661</td><td style='text-align: center; word-wrap: break-word;'>0.515</td><td style='text-align: center; word-wrap: break-word;'>0.458</td><td style='text-align: center; word-wrap: break-word;'>0.433</td><td style='text-align: center; word-wrap: break-word;'>0.582</td><td style='text-align: center; word-wrap: break-word;'>0.781</td><td style='text-align: center; word-wrap: break-word;'>0.663</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>S3</td><td style='text-align: center; word-wrap: break-word;'>0.613</td><td style='text-align: center; word-wrap: break-word;'>0.835</td><td style='text-align: center; word-wrap: break-word;'>0.676</td><td style='text-align: center; word-wrap: break-word;'>0.891</td><td style='text-align: center; word-wrap: break-word;'>0.884</td><td style='text-align: center; word-wrap: break-word;'>0.885</td><td style='text-align: center; word-wrap: break-word;'>0.606</td><td style='text-align: center; word-wrap: break-word;'>0.809</td><td style='text-align: center; word-wrap: break-word;'>0.656</td><td style='text-align: center; word-wrap: break-word;'>0.573</td><td style='text-align: center; word-wrap: break-word;'>0.789</td><td style='text-align: center; word-wrap: break-word;'>0.661</td><td style='text-align: center; word-wrap: break-word;'>0.511</td><td style='text-align: center; word-wrap: break-word;'>0.468</td><td style='text-align: center; word-wrap: break-word;'>0.439</td><td style='text-align: center; word-wrap: break-word;'>0.581</td><td style='text-align: center; word-wrap: break-word;'>0.781</td><td style='text-align: center; word-wrap: break-word;'>0.663</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>S4</td><td style='text-align: center; word-wrap: break-word;'>0.613</td><td style='text-align: center; word-wrap: break-word;'>0.835</td><td style='text-align: center; word-wrap: break-word;'>0.676</td><td style='text-align: center; word-wrap: break-word;'>0.892</td><td style='text-align: center; word-wrap: break-word;'>0.884</td><td style='text-align: center; word-wrap: break-word;'>0.885</td><td style='text-align: center; word-wrap: break-word;'>0.607</td><td style='text-align: center; word-wrap: break-word;'>0.807</td><td style='text-align: center; word-wrap: break-word;'>0.656</td><td style='text-align: center; word-wrap: break-word;'>0.573</td><td style='text-align: center; word-wrap: break-word;'>0.789</td><td style='text-align: center; word-wrap: break-word;'>0.661</td><td style='text-align: center; word-wrap: break-word;'>0.521</td><td style='text-align: center; word-wrap: break-word;'>0.467</td><td style='text-align: center; word-wrap: break-word;'>0.441</td><td style='text-align: center; word-wrap: break-word;'>0.581</td><td style='text-align: center; word-wrap: break-word;'>0.781</td><td style='text-align: center; word-wrap: break-word;'>0.663</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>S5</td><td style='text-align: center; word-wrap: break-word;'>0.612</td><td style='text-align: center; word-wrap: break-word;'>0.835</td><td style='text-align: center; word-wrap: break-word;'>0.675</td><td style='text-align: center; word-wrap: break-word;'>0.892</td><td style='text-align: center; word-wrap: break-word;'>0.884</td><td style='text-align: center; word-wrap: break-word;'>0.885</td><td style='text-align: center; word-wrap: break-word;'>0.608</td><td style='text-align: center; word-wrap: break-word;'>0.807</td><td style='text-align: center; word-wrap: break-word;'>0.656</td><td style='text-align: center; word-wrap: break-word;'>0.572</td><td style='text-align: center; word-wrap: break-word;'>0.789</td><td style='text-align: center; word-wrap: break-word;'>0.660</td><td style='text-align: center; word-wrap: break-word;'>0.531</td><td style='text-align: center; word-wrap: break-word;'>0.466</td><td style='text-align: center; word-wrap: break-word;'>0.445</td><td style='text-align: center; word-wrap: break-word;'>0.581</td><td style='text-align: center; word-wrap: break-word;'>0.781</td><td style='text-align: center; word-wrap: break-word;'>0.663</td></tr></table>

---

<div style="text-align: center;">Table 19: Distance MAE ablation on OakInk-v2, TACO, and HOI4D at 21 joints, 195 vertices, and 778 vertices. Errors are in mm; MAE(All/Pred/GT) use all valid, predicted-contact, and ground-truth-contact points.</div>

<table border=1 style='margin: auto; word-wrap: break-word;'><tr><td style='text-align: center; word-wrap: break-word;'></td><td colspan="3">21 joints</td><td colspan="3">195 vertices</td><td colspan="3">778 vertices</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>Variant</td><td style='text-align: center; word-wrap: break-word;'>MAE(All) $\downarrow$</td><td style='text-align: center; word-wrap: break-word;'>MAE(Pred) $\downarrow$</td><td style='text-align: center; word-wrap: break-word;'>MAE(GT) $\downarrow$</td><td style='text-align: center; word-wrap: break-word;'>MAE(All) $\downarrow$</td><td style='text-align: center; word-wrap: break-word;'>MAE(Pred) $\downarrow$</td><td style='text-align: center; word-wrap: break-word;'>MAE(GT) $\downarrow$</td><td style='text-align: center; word-wrap: break-word;'>MAE(All) $\downarrow$</td><td style='text-align: center; word-wrap: break-word;'>MAE(Pred) $\downarrow$</td><td style='text-align: center; word-wrap: break-word;'>MAE(GT) $\downarrow$</td></tr><tr><td colspan="10">OakInk-v2</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>0.05B</td><td style='text-align: center; word-wrap: break-word;'>45.01</td><td style='text-align: center; word-wrap: break-word;'>47.86</td><td style='text-align: center; word-wrap: break-word;'>55.45</td><td style='text-align: center; word-wrap: break-word;'>44.29</td><td style='text-align: center; word-wrap: break-word;'>46.07</td><td style='text-align: center; word-wrap: break-word;'>55.38</td><td style='text-align: center; word-wrap: break-word;'>43.88</td><td style='text-align: center; word-wrap: break-word;'>25.49</td><td style='text-align: center; word-wrap: break-word;'>54.74</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>0.1B</td><td style='text-align: center; word-wrap: break-word;'>39.91</td><td style='text-align: center; word-wrap: break-word;'>41.60</td><td style='text-align: center; word-wrap: break-word;'>45.88</td><td style='text-align: center; word-wrap: break-word;'>39.61</td><td style='text-align: center; word-wrap: break-word;'>41.08</td><td style='text-align: center; word-wrap: break-word;'>47.73</td><td style='text-align: center; word-wrap: break-word;'>39.35</td><td style='text-align: center; word-wrap: break-word;'>25.20</td><td style='text-align: center; word-wrap: break-word;'>46.76</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>MANO</td><td style='text-align: center; word-wrap: break-word;'>34.73</td><td style='text-align: center; word-wrap: break-word;'>36.28</td><td style='text-align: center; word-wrap: break-word;'>39.00</td><td style='text-align: center; word-wrap: break-word;'>35.32</td><td style='text-align: center; word-wrap: break-word;'>37.76</td><td style='text-align: center; word-wrap: break-word;'>41.37</td><td style='text-align: center; word-wrap: break-word;'>34.66</td><td style='text-align: center; word-wrap: break-word;'>17.35</td><td style='text-align: center; word-wrap: break-word;'>41.13</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>w/o $\Omega$</td><td style='text-align: center; word-wrap: break-word;'>32.79</td><td style='text-align: center; word-wrap: break-word;'>30.73</td><td style='text-align: center; word-wrap: break-word;'>31.78</td><td style='text-align: center; word-wrap: break-word;'>32.24</td><td style='text-align: center; word-wrap: break-word;'>31.80</td><td style='text-align: center; word-wrap: break-word;'>33.21</td><td style='text-align: center; word-wrap: break-word;'>32.28</td><td style='text-align: center; word-wrap: break-word;'>28.37</td><td style='text-align: center; word-wrap: break-word;'>32.47</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>1-way</td><td style='text-align: center; word-wrap: break-word;'>31.17</td><td style='text-align: center; word-wrap: break-word;'>28.30</td><td style='text-align: center; word-wrap: break-word;'>29.59</td><td style='text-align: center; word-wrap: break-word;'>31.10</td><td style='text-align: center; word-wrap: break-word;'>28.64</td><td style='text-align: center; word-wrap: break-word;'>31.03</td><td style='text-align: center; word-wrap: break-word;'>30.86</td><td style='text-align: center; word-wrap: break-word;'>23.54</td><td style='text-align: center; word-wrap: break-word;'>30.00</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>S1</td><td style='text-align: center; word-wrap: break-word;'>21.96</td><td style='text-align: center; word-wrap: break-word;'>22.96</td><td style='text-align: center; word-wrap: break-word;'>24.10</td><td style='text-align: center; word-wrap: break-word;'>21.65</td><td style='text-align: center; word-wrap: break-word;'>22.73</td><td style='text-align: center; word-wrap: break-word;'>24.15</td><td style='text-align: center; word-wrap: break-word;'>21.27</td><td style='text-align: center; word-wrap: break-word;'>12.00</td><td style='text-align: center; word-wrap: break-word;'>23.91</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>S2</td><td style='text-align: center; word-wrap: break-word;'>21.83</td><td style='text-align: center; word-wrap: break-word;'>22.66</td><td style='text-align: center; word-wrap: break-word;'>24.01</td><td style='text-align: center; word-wrap: break-word;'>21.57</td><td style='text-align: center; word-wrap: break-word;'>22.14</td><td style='text-align: center; word-wrap: break-word;'>24.10</td><td style='text-align: center; word-wrap: break-word;'>21.29</td><td style='text-align: center; word-wrap: break-word;'>12.86</td><td style='text-align: center; word-wrap: break-word;'>23.93</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>S3</td><td style='text-align: center; word-wrap: break-word;'>21.31</td><td style='text-align: center; word-wrap: break-word;'>21.90</td><td style='text-align: center; word-wrap: break-word;'>23.27</td><td style='text-align: center; word-wrap: break-word;'>21.10</td><td style='text-align: center; word-wrap: break-word;'>21.68</td><td style='text-align: center; word-wrap: break-word;'>23.34</td><td style='text-align: center; word-wrap: break-word;'>20.85</td><td style='text-align: center; word-wrap: break-word;'>13.06</td><td style='text-align: center; word-wrap: break-word;'>23.20</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>S4</td><td style='text-align: center; word-wrap: break-word;'>21.20</td><td style='text-align: center; word-wrap: break-word;'>21.82</td><td style='text-align: center; word-wrap: break-word;'>23.01</td><td style='text-align: center; word-wrap: break-word;'>20.99</td><td style='text-align: center; word-wrap: break-word;'>21.65</td><td style='text-align: center; word-wrap: break-word;'>23.10</td><td style='text-align: center; word-wrap: break-word;'>20.74</td><td style='text-align: center; word-wrap: break-word;'>12.95</td><td style='text-align: center; word-wrap: break-word;'>22.97</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>S5</td><td style='text-align: center; word-wrap: break-word;'>21.29</td><td style='text-align: center; word-wrap: break-word;'>22.04</td><td style='text-align: center; word-wrap: break-word;'>23.21</td><td style='text-align: center; word-wrap: break-word;'>21.06</td><td style='text-align: center; word-wrap: break-word;'>21.78</td><td style='text-align: center; word-wrap: break-word;'>23.32</td><td style='text-align: center; word-wrap: break-word;'>20.79</td><td style='text-align: center; word-wrap: break-word;'>12.94</td><td style='text-align: center; word-wrap: break-word;'>23.18</td></tr><tr><td colspan="10">TACO</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>0.05B</td><td style='text-align: center; word-wrap: break-word;'>41.47</td><td style='text-align: center; word-wrap: break-word;'>45.30</td><td style='text-align: center; word-wrap: break-word;'>49.54</td><td style='text-align: center; word-wrap: break-word;'>40.81</td><td style='text-align: center; word-wrap: break-word;'>44.41</td><td style='text-align: center; word-wrap: break-word;'>49.73</td><td style='text-align: center; word-wrap: break-word;'>40.87</td><td style='text-align: center; word-wrap: break-word;'>26.78</td><td style='text-align: center; word-wrap: break-word;'>49.45</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>0.1B</td><td style='text-align: center; word-wrap: break-word;'>49.27</td><td style='text-align: center; word-wrap: break-word;'>52.15</td><td style='text-align: center; word-wrap: break-word;'>58.61</td><td style='text-align: center; word-wrap: break-word;'>46.88</td><td style='text-align: center; word-wrap: break-word;'>50.39</td><td style='text-align: center; word-wrap: break-word;'>57.48</td><td style='text-align: center; word-wrap: break-word;'>46.00</td><td style='text-align: center; word-wrap: break-word;'>17.83</td><td style='text-align: center; word-wrap: break-word;'>56.79</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>MANO</td><td style='text-align: center; word-wrap: break-word;'>45.46</td><td style='text-align: center; word-wrap: break-word;'>48.21</td><td style='text-align: center; word-wrap: break-word;'>51.97</td><td style='text-align: center; word-wrap: break-word;'>46.16</td><td style='text-align: center; word-wrap: break-word;'>51.21</td><td style='text-align: center; word-wrap: break-word;'>54.07</td><td style='text-align: center; word-wrap: break-word;'>45.31</td><td style='text-align: center; word-wrap: break-word;'>12.78</td><td style='text-align: center; word-wrap: break-word;'>53.51</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>w/o $\Omega$</td><td style='text-align: center; word-wrap: break-word;'>36.19</td><td style='text-align: center; word-wrap: break-word;'>40.42</td><td style='text-align: center; word-wrap: break-word;'>42.52</td><td style='text-align: center; word-wrap: break-word;'>36.31</td><td style='text-align: center; word-wrap: break-word;'>41.14</td><td style='text-align: center; word-wrap: break-word;'>43.77</td><td style='text-align: center; word-wrap: break-word;'>35.96</td><td style='text-align: center; word-wrap: break-word;'>19.43</td><td style='text-align: center; word-wrap: break-word;'>43.33</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>1-way</td><td style='text-align: center; word-wrap: break-word;'>32.79</td><td style='text-align: center; word-wrap: break-word;'>35.52</td><td style='text-align: center; word-wrap: break-word;'>37.29</td><td style='text-align: center; word-wrap: break-word;'>32.80</td><td style='text-align: center; word-wrap: break-word;'>36.89</td><td style='text-align: center; word-wrap: break-word;'>38.57</td><td style='text-align: center; word-wrap: break-word;'>32.65</td><td style='text-align: center; word-wrap: break-word;'>18.41</td><td style='text-align: center; word-wrap: break-word;'>38.26</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>S1</td><td style='text-align: center; word-wrap: break-word;'>27.34</td><td style='text-align: center; word-wrap: break-word;'>28.13</td><td style='text-align: center; word-wrap: break-word;'>30.06</td><td style='text-align: center; word-wrap: break-word;'>27.78</td><td style='text-align: center; word-wrap: break-word;'>29.21</td><td style='text-align: center; word-wrap: break-word;'>31.54</td><td style='text-align: center; word-wrap: break-word;'>27.65</td><td style='text-align: center; word-wrap: break-word;'>18.57</td><td style='text-align: center; word-wrap: break-word;'>30.96</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>S2</td><td style='text-align: center; word-wrap: break-word;'>25.13</td><td style='text-align: center; word-wrap: break-word;'>27.16</td><td style='text-align: center; word-wrap: break-word;'>29.37</td><td style='text-align: center; word-wrap: break-word;'>25.01</td><td style='text-align: center; word-wrap: break-word;'>27.60</td><td style='text-align: center; word-wrap: break-word;'>30.19</td><td style='text-align: center; word-wrap: break-word;'>24.63</td><td style='text-align: center; word-wrap: break-word;'>10.99</td><td style='text-align: center; word-wrap: break-word;'>29.81</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>S3</td><td style='text-align: center; word-wrap: break-word;'>25.09</td><td style='text-align: center; word-wrap: break-word;'>27.07</td><td style='text-align: center; word-wrap: break-word;'>29.29</td><td style='text-align: center; word-wrap: break-word;'>24.96</td><td style='text-align: center; word-wrap: break-word;'>27.53</td><td style='text-align: center; word-wrap: break-word;'>30.12</td><td style='text-align: center; word-wrap: break-word;'>24.56</td><td style='text-align: center; word-wrap: break-word;'>11.01</td><td style='text-align: center; word-wrap: break-word;'>29.72</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>S4</td><td style='text-align: center; word-wrap: break-word;'>25.52</td><td style='text-align: center; word-wrap: break-word;'>27.48</td><td style='text-align: center; word-wrap: break-word;'>29.73</td><td style='text-align: center; word-wrap: break-word;'>25.40</td><td style='text-align: center; word-wrap: break-word;'>27.94</td><td style='text-align: center; word-wrap: break-word;'>30.60</td><td style='text-align: center; word-wrap: break-word;'>24.94</td><td style='text-align: center; word-wrap: break-word;'>10.94</td><td style='text-align: center; word-wrap: break-word;'>30.17</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>S5</td><td style='text-align: center; word-wrap: break-word;'>26.26</td><td style='text-align: center; word-wrap: break-word;'>28.09</td><td style='text-align: center; word-wrap: break-word;'>30.47</td><td style='text-align: center; word-wrap: break-word;'>26.12</td><td style='text-align: center; word-wrap: break-word;'>28.51</td><td style='text-align: center; word-wrap: break-word;'>31.38</td><td style='text-align: center; word-wrap: break-word;'>25.57</td><td style='text-align: center; word-wrap: break-word;'>10.78</td><td style='text-align: center; word-wrap: break-word;'>30.91</td></tr><tr><td colspan="10">HOI4D</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>0.05B</td><td style='text-align: center; word-wrap: break-word;'>120.58</td><td style='text-align: center; word-wrap: break-word;'>119.53</td><td style='text-align: center; word-wrap: break-word;'>129.15</td><td style='text-align: center; word-wrap: break-word;'>117.58</td><td style='text-align: center; word-wrap: break-word;'>119.51</td><td style='text-align: center; word-wrap: break-word;'>128.37</td><td style='text-align: center; word-wrap: break-word;'>115.66</td><td style='text-align: center; word-wrap: break-word;'>12.06</td><td style='text-align: center; word-wrap: break-word;'>127.52</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>0.1B</td><td style='text-align: center; word-wrap: break-word;'>104.80</td><td style='text-align: center; word-wrap: break-word;'>111.40</td><td style='text-align: center; word-wrap: break-word;'>120.17</td><td style='text-align: center; word-wrap: break-word;'>103.23</td><td style='text-align: center; word-wrap: break-word;'>115.80</td><td style='text-align: center; word-wrap: break-word;'>119.63</td><td style='text-align: center; word-wrap: break-word;'>101.29</td><td style='text-align: center; word-wrap: break-word;'>19.07</td><td style='text-align: center; word-wrap: break-word;'>118.74</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>MANO</td><td style='text-align: center; word-wrap: break-word;'>52.05</td><td style='text-align: center; word-wrap: break-word;'>52.19</td><td style='text-align: center; word-wrap: break-word;'>57.18</td><td style='text-align: center; word-wrap: break-word;'>52.96</td><td style='text-align: center; word-wrap: break-word;'>52.95</td><td style='text-align: center; word-wrap: break-word;'>57.71</td><td style='text-align: center; word-wrap: break-word;'>52.09</td><td style='text-align: center; word-wrap: break-word;'>16.03</td><td style='text-align: center; word-wrap: break-word;'>57.45</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>w/o $\Omega$</td><td style='text-align: center; word-wrap: break-word;'>38.01</td><td style='text-align: center; word-wrap: break-word;'>38.09</td><td style='text-align: center; word-wrap: break-word;'>41.15</td><td style='text-align: center; word-wrap: break-word;'>38.30</td><td style='text-align: center; word-wrap: break-word;'>38.24</td><td style='text-align: center; word-wrap: break-word;'>41.19</td><td style='text-align: center; word-wrap: break-word;'>38.24</td><td style='text-align: center; word-wrap: break-word;'>25.03</td><td style='text-align: center; word-wrap: break-word;'>41.14</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>1-way</td><td style='text-align: center; word-wrap: break-word;'>56.20</td><td style='text-align: center; word-wrap: break-word;'>58.68</td><td style='text-align: center; word-wrap: break-word;'>64.31</td><td style='text-align: center; word-wrap: break-word;'>55.95</td><td style='text-align: center; word-wrap: break-word;'>57.95</td><td style='text-align: center; word-wrap: break-word;'>64.38</td><td style='text-align: center; word-wrap: break-word;'>55.01</td><td style='text-align: center; word-wrap: break-word;'>20.74</td><td style='text-align: center; word-wrap: break-word;'>63.90</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>S1</td><td style='text-align: center; word-wrap: break-word;'>20.84</td><td style='text-align: center; word-wrap: break-word;'>18.50</td><td style='text-align: center; word-wrap: break-word;'>18.71</td><td style='text-align: center; word-wrap: break-word;'>22.08</td><td style='text-align: center; word-wrap: break-word;'>19.22</td><td style='text-align: center; word-wrap: break-word;'>19.43</td><td style='text-align: center; word-wrap: break-word;'>22.22</td><td style='text-align: center; word-wrap: break-word;'>15.93</td><td style='text-align: center; word-wrap: break-word;'>19.39</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>S2</td><td style='text-align: center; word-wrap: break-word;'>18.59</td><td style='text-align: center; word-wrap: break-word;'>16.82</td><td style='text-align: center; word-wrap: break-word;'>16.37</td><td style='text-align: center; word-wrap: break-word;'>19.60</td><td style='text-align: center; word-wrap: break-word;'>17.15</td><td style='text-align: center; word-wrap: break-word;'>16.88</td><td style='text-align: center; word-wrap: break-word;'>19.76</td><td style='text-align: center; word-wrap: break-word;'>14.62</td><td style='text-align: center; word-wrap: break-word;'>16.91</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>S3</td><td style='text-align: center; word-wrap: break-word;'>18.53</td><td style='text-align: center; word-wrap: break-word;'>16.69</td><td style='text-align: center; word-wrap: break-word;'>16.14</td><td style='text-align: center; word-wrap: break-word;'>19.54</td><td style='text-align: center; word-wrap: break-word;'>17.02</td><td style='text-align: center; word-wrap: break-word;'>16.58</td><td style='text-align: center; word-wrap: break-word;'>19.71</td><td style='text-align: center; word-wrap: break-word;'>14.87</td><td style='text-align: center; word-wrap: break-word;'>16.61</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>S4</td><td style='text-align: center; word-wrap: break-word;'>18.20</td><td style='text-align: center; word-wrap: break-word;'>16.34</td><td style='text-align: center; word-wrap: break-word;'>15.84</td><td style='text-align: center; word-wrap: break-word;'>19.16</td><td style='text-align: center; word-wrap: break-word;'>16.53</td><td style='text-align: center; word-wrap: break-word;'>16.23</td><td style='text-align: center; word-wrap: break-word;'>19.33</td><td style='text-align: center; word-wrap: break-word;'>14.33</td><td style='text-align: center; word-wrap: break-word;'>16.26</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>S5</td><td style='text-align: center; word-wrap: break-word;'>18.07</td><td style='text-align: center; word-wrap: break-word;'>16.27</td><td style='text-align: center; word-wrap: break-word;'>15.85</td><td style='text-align: center; word-wrap: break-word;'>19.04</td><td style='text-align: center; word-wrap: break-word;'>16.43</td><td style='text-align: center; word-wrap: break-word;'>16.24</td><td style='text-align: center; word-wrap: break-word;'>19.17</td><td style='text-align: center; word-wrap: break-word;'>13.99</td><td style='text-align: center; word-wrap: break-word;'>16.25</td></tr></table>

---

## 二、场景与相机评估

相机指标。绝对轨迹误差（ATE，单位：米）是在窗口级Sim(3)对齐后测量的，旋转误差（单位：度）则相对于第一个有效帧进行测量。

深度指标与尺度协议。深度指标采用AbsRel（绝对相对误差）、RMSE（均方根误差，单位：米）以及$\delta_1$，即满足$\max(\hat{d}/d, d/\hat{d}) < 1.25$条件的有效像素占比。对于输出带尺度信息的深度图的模型，计算指标前会先取每个窗口内真实值/预测值的中位数；而对于尺度固定的模型，则保持尺度为1；表20的最后一列报告了度量标尺$s^d$，即该比率在对数空间内的聚合值，1代表度量尺度正确。

对比分析。表20仅收录了能同时重建手部与周围场景的以自我为中心的算法，即HaWoR、Dyn-HaMR、ReViV和EgoFound3R。专门的几何模型可预测相机与密集形状，但不包含手部或交互属性，因此不纳入本次对比。在这四种算法中，EgoFound3R的相机误差最低；在能输出深度的两种算法中，它的AbsRel、RMSE也最小，且$\delta_1$最高；其深度是在自身尺度下评估的，而ReViV则需要针对每个窗口进行尺度拟合。HaWoR和Dyn-HaMR无法输出深度，因此它们的深度与标尺相关条目不适用。

<div style="text-align: center;">Table 20: Scene estimation on TACO for hand-centric world-space methods. Depth follows the scale-aligned protocol defined above;  $^{100w}$ rows are unranked.</div>

<table border=1 style='margin: auto; word-wrap: break-word;'><tr><td style='text-align: center; word-wrap: break-word;'>Method</td><td style='text-align: center; word-wrap: break-word;'>ATE (m) $\downarrow$</td><td style='text-align: center; word-wrap: break-word;'>Rot ( $^{\circ}$) $\downarrow$</td><td style='text-align: center; word-wrap: break-word;'>AbsRel $\downarrow$</td><td style='text-align: center; word-wrap: break-word;'>RMSE (m) $\downarrow$</td><td style='text-align: center; word-wrap: break-word;'>$\delta_{1}$ $\uparrow$</td><td style='text-align: center; word-wrap: break-word;'>s $^{d}$</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>HaWoR</td><td style='text-align: center; word-wrap: break-word;'>0.0064</td><td style='text-align: center; word-wrap: break-word;'>1.22</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>-</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>Dyn-HaMR $^{{100w}}$</td><td style='text-align: center; word-wrap: break-word;'>0.0064</td><td style='text-align: center; word-wrap: break-word;'>1.26</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>-</td><td style='text-align: center; word-wrap: break-word;'>-</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>ReViV</td><td style='text-align: center; word-wrap: break-word;'>0.0068</td><td style='text-align: center; word-wrap: break-word;'>1.65</td><td style='text-align: center; word-wrap: break-word;'>0.2649</td><td style='text-align: center; word-wrap: break-word;'>0.3577</td><td style='text-align: center; word-wrap: break-word;'>0.5829</td><td style='text-align: center; word-wrap: break-word;'>0.6401</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>EgoFound3R</td><td style='text-align: center; word-wrap: break-word;'>0.0055</td><td style='text-align: center; word-wrap: break-word;'>0.99</td><td style='text-align: center; word-wrap: break-word;'>0.1318</td><td style='text-align: center; word-wrap: break-word;'>0.2015</td><td style='text-align: center; word-wrap: break-word;'>0.8469</td><td style='text-align: center; word-wrap: break-word;'>1.1364</td></tr></table>

<div style="text-align: center;">Ablation. Tab. 21 reports the TACO scene ablation with the variants defined in Appendix I. The w/o  $\Omega$ and 1-way rows report the same uncoupled scene export, so their scene and camera columns are identical and are not independent scene predictions; their hand, contact, and distance metrics are evaluated separately. Dense aggregation attains the lowest camera error and the default configuration the second lowest, so the multi-rate design costs little on the scene side.</div>

<div style="text-align: center;">Table 21: Scene ablation on TACO.</div>

<table border=1 style='margin: auto; word-wrap: break-word;'><tr><td style='text-align: center; word-wrap: break-word;'>Variant</td><td style='text-align: center; word-wrap: break-word;'>ATE (m) $\downarrow$</td><td style='text-align: center; word-wrap: break-word;'>Rot (°) $\downarrow$</td><td style='text-align: center; word-wrap: break-word;'>AbsRel $\downarrow$</td><td style='text-align: center; word-wrap: break-word;'>RMSE (m) $\downarrow$</td><td style='text-align: center; word-wrap: break-word;'>$\delta_{{1}}$ $\uparrow$</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>0.05B</td><td style='text-align: center; word-wrap: break-word;'>0.0086</td><td style='text-align: center; word-wrap: break-word;'>1.86</td><td style='text-align: center; word-wrap: break-word;'>0.117</td><td style='text-align: center; word-wrap: break-word;'>0.232</td><td style='text-align: center; word-wrap: break-word;'>0.857</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>0.1B</td><td style='text-align: center; word-wrap: break-word;'>0.0074</td><td style='text-align: center; word-wrap: break-word;'>1.83</td><td style='text-align: center; word-wrap: break-word;'>0.122</td><td style='text-align: center; word-wrap: break-word;'>0.256</td><td style='text-align: center; word-wrap: break-word;'>0.825</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>MANO</td><td style='text-align: center; word-wrap: break-word;'>0.0084</td><td style='text-align: center; word-wrap: break-word;'>1.60</td><td style='text-align: center; word-wrap: break-word;'>0.132</td><td style='text-align: center; word-wrap: break-word;'>0.256</td><td style='text-align: center; word-wrap: break-word;'>0.806</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>w/o $\Omega$</td><td style='text-align: center; word-wrap: break-word;'>0.0069</td><td style='text-align: center; word-wrap: break-word;'>1.15</td><td style='text-align: center; word-wrap: break-word;'>0.178</td><td style='text-align: center; word-wrap: break-word;'>0.242</td><td style='text-align: center; word-wrap: break-word;'>0.728</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>1-way</td><td style='text-align: center; word-wrap: break-word;'>0.0069</td><td style='text-align: center; word-wrap: break-word;'>1.15</td><td style='text-align: center; word-wrap: break-word;'>0.178</td><td style='text-align: center; word-wrap: break-word;'>0.242</td><td style='text-align: center; word-wrap: break-word;'>0.728</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>S1</td><td style='text-align: center; word-wrap: break-word;'>0.0043</td><td style='text-align: center; word-wrap: break-word;'>0.82</td><td style='text-align: center; word-wrap: break-word;'>0.136</td><td style='text-align: center; word-wrap: break-word;'>0.284</td><td style='text-align: center; word-wrap: break-word;'>0.805</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>S2</td><td style='text-align: center; word-wrap: break-word;'>0.0057</td><td style='text-align: center; word-wrap: break-word;'>1.08</td><td style='text-align: center; word-wrap: break-word;'>0.168</td><td style='text-align: center; word-wrap: break-word;'>0.291</td><td style='text-align: center; word-wrap: break-word;'>0.763</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>S3</td><td style='text-align: center; word-wrap: break-word;'>0.0057</td><td style='text-align: center; word-wrap: break-word;'>1.07</td><td style='text-align: center; word-wrap: break-word;'>0.169</td><td style='text-align: center; word-wrap: break-word;'>0.292</td><td style='text-align: center; word-wrap: break-word;'>0.759</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>S4</td><td style='text-align: center; word-wrap: break-word;'>0.0056</td><td style='text-align: center; word-wrap: break-word;'>1.00</td><td style='text-align: center; word-wrap: break-word;'>0.166</td><td style='text-align: center; word-wrap: break-word;'>0.290</td><td style='text-align: center; word-wrap: break-word;'>0.768</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>S5</td><td style='text-align: center; word-wrap: break-word;'>0.0055</td><td style='text-align: center; word-wrap: break-word;'>0.99</td><td style='text-align: center; word-wrap: break-word;'>0.132</td><td style='text-align: center; word-wrap: break-word;'>0.202</td><td style='text-align: center; word-wrap: break-word;'>0.847</td></tr></table>

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![Image](images/687357157c9ffcee1493d9d8aa6ac81ed0753b3176cd246d8429247c1f1475d2.jpg)

<div style="text-align: center;">Figure 12: Qualitative comparison on ARCTIC. Top: hand geometry. Bottom: per-point visibility, contact, and distance for EgoFound3R (Pred) and the ground truth (GT).</div>

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![Image](images/31b87b85e0fe77858be3ff6c1e3a1edbc0b0447536256537c300b0e60a86ff81.jpg)

<div style="text-align: center;">Figure 13: Qualitative comparison on OakInk-v2. Top: hand geometry. Bottom: per-point visibility, contact, and distance for EgoFound3R (Pred) and the ground truth (GT).</div>

布局说明。图12和图13每个图表对应一个数据集，上方显示手部几何，下方按相同行序显示同一窗口的属性；由于19窗口的TACO数据块无法在一页内呈现，因此被拆分到图14和图15中。各列与表格对应：第一列是未经修改的RGB输入，接下来三列是相机空间估计器WiLoR、PAD-Hand和EgoForce的输出，随后是世界空间流水线HaWoR和ReViV的结果，接着是EgoFound3R的输出，最后一列为真实标注。

正在查看各面板。每个面板会将预测结果直接叠加在输入帧的像素上，无需额外的二维精细化处理或拟合，因此这种比较并不依赖于相机的外参。属性面板展示了EgoFound3R（预测结果）以及真实值（GT）在相同点上的可见性、接触情况以及点到表面的距离，这些信息与定量表格中的内容一致。

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![Image](images/498bd7c3da2364ff0c05638e21a6525b4774497336754664900c8b710eb0a6d2.jpg)

<div style="text-align: center;">Figure 14: Qualitative hand geometry on TACO. Columns as in Fig. 12; the matching attribute panel of the same windows is shown separately below.</div>

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![Image](images/4cfaea3a4a5969774f02e051b730bc50a4999393c972c7339183ff59a60156f1.jpg)

<div style="text-align: center;">Figure 15: Per-point attributes on TACO. Rows follow the same windows and order as Fig. 14; columns show the RGB input and the per-point visibility, contact, and distance for EgoFound3R (Pred) and the ground truth (GT).</div>

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图16和图17展示了图6中世界空间比较的额外结果。这两幅图的布局、列数、手部颜色、时间着色方式以及外参约定均与图6保持一致：每个视频片段包含两个固定视点，每种方法占一列，左侧显示采样的RGB帧。

<table border=1 style='margin: auto; word-wrap: break-word;'><tr><td style='text-align: center; word-wrap: break-word;'>RGB</td><td style='text-align: center; word-wrap: break-word;'>WiLoR $^{\dagger}$</td><td style='text-align: center; word-wrap: break-word;'>PAD-Hand $^{\dagger}$</td><td style='text-align: center; word-wrap: break-word;'>EgoForce $^{\dagger}$</td><td style='text-align: center; word-wrap: break-word;'>HaWoR ![Image](images/12515430c16b3fc328b087977cdcecb5b5ada45bfe02823e3a3c5c19752bd554.jpg)</td><td style='text-align: center; word-wrap: break-word;'>ReViV</td><td style='text-align: center; word-wrap: break-word;'>EgoFound3R</td><td style='text-align: center; word-wrap: break-word;'>EgoFound3R $^{\dagger}$</td><td style='text-align: center; word-wrap: break-word;'>GT</td></tr><tr><td rowspan="2">![Image](images/6d1f069a22bad40916ee9b0d1d06a0fa2e9af0dd9f9e0d166a132ae9430edf99.jpg)</td><td style='text-align: center; word-wrap: break-word;'>![Image](images/3fdcd0a7a8887ca8e551a0b1b54c70230ee6593655d080b56a403bf58e377e5c.jpg)</td><td style='text-align: center; word-wrap: break-word;'>![Image](images/9909c4f526106e6b679ec8cc6201187c19d52f9fb6cb2ec79d180dc4d1dbd539.jpg)</td><td style='text-align: center; word-wrap: break-word;'>![Image](images/e033a1859822e9c7dbd8071c04296fb842f41457214ab96759cebeceaee3c126.jpg)</td><td rowspan="2">![Image](images/721e79502d4fdc75f66c8d7965972819d5647293d5d5ddaf04acdb09047b915e.jpg)</td><td style='text-align: center; word-wrap: break-word;'>![Image](images/66130ec475fb717410195d51db41ef585347fd1df720c9b870c57bd3a4223709.jpg)</td><td style='text-align: center; word-wrap: break-word;'>![Image](images/29b1017d10a594098a05c8e280d8d6c5677e8dae9d2154c98ea8058237a860dc.jpg)</td><td style='text-align: center; word-wrap: break-word;'>![Image](images/5a165253cd78eef5a4d2c3af8c522e8a42f320bf15fcda6618464e4ee7cb7138.jpg)</td><td style='text-align: center; word-wrap: break-word;'>![Image](images/d69ba1ce56b75809aecf3a97cc2c16a0fab6ba2d0bbf70d99ce34be0b6fc7996.jpg)</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>![Image](images/e882fd315df4dc8fdf03d099c1ef3bf56d5f5de4c7490ec4dc08c19cd2c71862.jpg)</td><td style='text-align: center; 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word-wrap: break-word;'>![Image](images/180f6a090b4a49f7ec6fea79bf9fb74394af08818fe44a6e565cb54cc834a83b.jpg)</td><td style='text-align: center; word-wrap: break-word;'>![Image](images/0f20132e04c274cda795b14ba2a106877ae9c48797ca64bb7594c0ab9f33c285.jpg)</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>![Image](images/595e0090a43fddc29e87492ccf0ee0c0763c3e6a3f9e3cb34776dcfb18e630d7.jpg)</td><td style='text-align: center; word-wrap: break-word;'>![Image](images/6604aa3b3ae53d02286a56e61adb25f0f823be5ddffba3063b6815c69cd575ab.jpg)</td><td style='text-align: center; word-wrap: break-word;'>![Image](images/d9fdd7c983536b6aa97c4fd89954ad6b41c4ece2245ebfb2210b9d1a36703374.jpg)</td><td style='text-align: center; word-wrap: break-word;'>![Image](images/08bea89107ebd05bdd69a8dcc6b7813a1521587aa643ebdc68329a42e938b226.jpg)</td><td style='text-align: center; word-wrap: break-word;'>![Image](images/c7fd8ac7e1e4b5f464a4c49e78eedc4eb3580234ffc5743c0203418484925f4d.jpg)</td><td style='text-align: center; word-wrap: break-word;'>![Image](images/420930086345950339ebe38b01d23d3025fa420d703f508774956cbf474a193e.jpg)</td><td style='text-align: center; word-wrap: break-word;'>![Image](images/dbcef19aa47c8accb7e7c1b097f6c58638e487c6ddf7ff8e46d15d2918b40475.jpg)</td><td style='text-align: center; word-wrap: break-word;'>![Image](images/f4abd191e7be3bef785f78499d52415a1ba958c721fc7286d15c083bde4080cd.jpg)</td></tr><tr><td rowspan="2">![Image](images/a227e415b059149a12617ca09569fcb25427000b46b94f63858532f22611766f.jpg)</td><td style='text-align: center; word-wrap: break-word;'>![Image](images/575fc169d091ea7a1c10aa66abd967bc924eaca7361837ca95e9ee8264ea5b53.jpg)</td><td style='text-align: center; word-wrap: break-word;'>![Image](images/7dba338e29ac65194c967f8b0c4c3270a8fea7a2a055e54a424d8124e12ade46.jpg)</td><td style='text-align: center; word-wrap: break-word;'></td><td style='text-align: center; word-wrap: break-word;'>![Image](images/530e02dc419522ad4385b98d9ac7b5e393d7a3de8b22949d4a7e6e4749bc98bd.jpg)</td><td style='text-align: center; word-wrap: break-word;'>![Image](images/13445371df8d4a2841f7cc2365cc8849a654f5a8854a6ca20f834440eb282629.jpg)</td><td style='text-align: center; word-wrap: break-word;'>![Image](images/08a0619f21ab1f13b9ed2a7fd85dd2875e41221b7a4139251c89eceb086543dd.jpg)</td><td style='text-align: center; word-wrap: break-word;'>![Image](images/382aaf351b6cf0e37dea1cf1c08a6274080a699beeee2955f8cb9216c14e3baf.jpg)</td><td style='text-align: center; word-wrap: break-word;'>![Image](images/0cf57bbfcb7ba191db713383750d4865f4a934cf2f387b154ac140a12551b99d.jpg)</td></tr><tr><td style='text-align: center; word-wrap: break-word;'>![Image](images/36dd7b0a74149d4a0386b5886ab31f9f93af4f0cc610b5545a27550a9bca2bfa.jpg)</td><td style='text-align: center; word-wrap: break-word;'>![Image](images/3e53fed31440a2da5270f8e97816c9fd3d80307faf8fe6c7b45c9b25acd606bf.jpg)</td><td style='text-align: center; word-wrap: break-word;'>![Image](images/be6976afafdb8a9284799e2c51ee7e9adce32c4162c8d064ceab13f0f78e59db.jpg)</td><td style='text-align: center; word-wrap: break-word;'>[F45]</td><td style='text-align: center; word-wrap: break-word;'>![Image](images/f87643af223c4b863485ed884a85b10e9e88a0346ffac41131f21071e825eeee.jpg)</td><td style='text-align: center; word-wrap: break-word;'>![Image](images/cf9b6f4393a7ff6e58f1fbc1ff69cc3ef2fe1ef72c3b4c0e9d032c9fe6e83ddf.jpg)</td><td style='text-align: center; word-wrap: break-word;'>![Image](images/49e523e717060689162948b70f8f3f5cfa1f6f6373c059b8216871afdf13f3e9.jpg)</td><td style='text-align: center; word-wrap: break-word;'>![Image](images/8c436cfed4758b4cb60438df0fb3a5ca4d2919676b3565bbaddb986498e956fa.jpg)</td></tr><tr><td rowspan="2">![Image](images/b8bb178ea0fef4a46d60150314f01a6f5884f19f371200d71a52debdc7629da1.jpg)</td><td style='text-align: center; word-wrap: break-word;'></td><td style='text-align: center; word-wrap: break-word;'>![Image](images/1d98f4d9900b4a7a29058090bd3995e4d1392fc71229a76b14369eb9d6556d75.jpg)</td><td style='text-align: center; word-wrap: break-word;'>![Image](images/71d7bd2893ad8e94ff859611bfeb86fda0213fa5354c451c33f5cae71a188771.jpg)</td><td style='text-align: center; word-wrap: break-word;'>![Image](images/197d7f780315f3f9ac56b4508d26385943d71c777fa053b4f7d36dc21d53b14e.jpg)</td><td style='text-align: center; word-wrap: break-word;'>![Image](images/197d7f780315f3f9ac56b4508d26385943d71c777fa053b4f7d36dc21d53b14e.jpg)</td><td style='text-align: center; word-wrap: break-word;'>![Image](images/8ebdfe8f1cd014cc0dc9acb114d4e82e1e2bf4b765c0eb8561aa65b716e29f6b.jpg)</td><td style='text-align: center; word-wrap: break-word;'>![Image](images/a371a4484370b8c30245fce6abc296b143cf8bc69e577c05100a170b1d0389e0.jpg)</td><td style='text-align: center; word-wrap: break-word;'>![Image](images/5f27fda8fc5a8a1636eab7c83cf663569f3d79586a1ceb8515249ff89fcaaf44.jpg)</td></tr><tr><td style='text-align: center; word-wrap: break-word;'></td><td style='text-align: center; word-wrap: break-word;'>[F2 [F6]]</td><td style='text-align: center; word-wrap: break-word;'></td><td style='text-align: center; word-wrap: break-word;'>![Image](images/5585fb680f5dff15c3efa7da00d4eb296e4e5ca94bf2fbec868e0d8ca4044c1e.jpg)</td><td style='text-align: center; word-wrap: break-word;'>![Image](images/c91fe674f287fbf33a4967721de164c263e3b45ad5f68a1fa7b2955390c9daab.jpg)</td><td style='text-align: center; word-wrap: break-word;'>![Image](images/7ccb3053569f6f7d04c6677d2febe677b52399cf0d11c247fe7a57905e301705.jpg)</td><td style='text-align: center; word-wrap: break-word;'>![Image](images/deb57badaaefdcf88aeea13529e957382bd45bd0d7310b4d1b6e21deb77d8820.jpg)</td><td style='text-align: center; word-wrap: break-word;'>![Image](images/a1ab857663d9f30d3c5319bf0c83d5f9dee3c42a3ee733fc74adee554fb6fc56.jpg)</td></tr><tr><td style='text-align: center; word-wrap: break-word;'></td><td style='text-align: center; word-wrap: break-word;'></td><td style='text-align: center; word-wrap: break-word;'>[F265]</td><td style='text-align: center; word-wrap: break-word;'></td><td style='text-align: center; word-wrap: break-word;'>![Image](images/691334a4a112f034924ab1b46c0fca29fc8b37a5c9f35ac6ac1ffa57e8fc3a12.jpg)</td><td style='text-align: center; word-wrap: break-word;'>![Image](images/a6a6272ade4cc5464297d8f389a9302ab3fdc4fb35f8d259e87abd6d4afdf6fa.jpg)</td><td style='text-align: center; word-wrap: break-word;'>![Image](images/fe4fc07cb8593f0689746b4e682ef234253f6a8c808fa3a0e82987716e2e9bdb.jpg)</td><td style='text-align: center; word-wrap: break-word;'>![Image](images/dc1526fc0535895c4af98c166ee7b95776c43ffbac9e8c5a11a7772b9dbc5da6.jpg)</td><td style='text-align: center; word-wrap: break-word;'>![Image](images/af2ef20116b3b336e4a63bd55e0a998bb2f51c6f16cb43d32f37b6c8cf1513ed.jpg)</td></tr></table>

![Image](images/9c32b1c738edaff05d282f0d59c886f7beab49acba7de12439150452567b1662.jpg)

![Image](images/b1332ec3c48c27ad622116c5394fd7ac4830d2b62865fcf5d4f22a38a63b45fa.jpg)

![Image](images/b0b6e751164cd993942cbbf417f2c4143f1a9d5035d8eb7684bd17539fe6d242.jpg)

![Image](images/d9ca92a7edfd849492b55a924089744120fde52ca198e03704e30d4867476d2c.jpg)

![Image](images/876a7706b91f8f6060219c11d61b7a4ce5b41188ed7106eb4f42acfd00dac3ae.jpg)

![Image](images/2cd4d4692f2428a0b2939e3e8a503e8b0d4524511d90afbe55623a1c9ad04215.jpg)

![Image](images/658a16ec23d2b17bc7f6954db816ada55bc5b1b31f9a5c7d0435b10feb2f532f.jpg)

<div style="text-align: center;">Figure 16: World-space qualitative comparison, part 1.</div>

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![Image](images/d80fea1b2f89688338d23ee967d38dfc1dbba4cc0be3fb2993b7fb9704765879.jpg)

<div style="text-align: center;">Figure 17: World-space qualitative comparison, part 2.</div>
