Papers › Occluded Human Body Capture with Self-Supervised Spatial-Temporal Motion Prior
Occluded Human Body Capture with Self-Supervised Spatial-Temporal Motion Prior
Buzhen Huang, Yuan Shu, Jingyi Ju, Yangang Wang
Although significant progress has been achieved on monocular maker-less human motion capture in recent years, it is still hard for state-of-the-art methods to obtain satisfactory results in occlusion scenarios. There are two main reasons: the one is that the occluded motion capture is inherently ambiguous as various 3D poses can map to the same 2D observations, which always results in an unreliable estimation. The other is that no sufficient occluded human data can be used for training a robust model. To address the obstacles, our key-idea is to employ non-occluded human data to learn a joint-level spatial-temporal motion prior for occluded human with a self-supervised strategy. To further reduce the gap between synthetic and real occlusion data, we build the first 3D occluded motion dataset~(OcMotion), which can be used for both training and testing. We encode the motions in 2D maps and synthesize occlusions on non-occluded data for the self-supervised training. A spatial-temporal layer is then designed to learn joint-level correlations. The learned prior reduces the ambiguities of occlusions and is robust to diverse occlusion types, which is then adopted to assist the occluded human motion capture. Experimental results show that our method can generate accurate and coherent human motions from occluded videos with good generalization ability and runtime efficiency. The dataset and code are publicly available at \url{https://github.com/boycehbz/CHOMP}.
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Tasks
Results from the paper archive 2025-07-28
| Task | Dataset | Model | Metric | Value | Rank at snapshot | Leaderboard | Report |
|---|---|---|---|---|---|---|---|
| 3D Human Pose Estimation | 3DPW | CHOMP | MPJPE | 83.7 | #60 of 119 | Archive leaderboard | report |
| 3D Human Pose Estimation | 3DPW | CHOMP | MPVPE | 110.1 | #60 of 119 | Archive leaderboard | report |
| 3D Human Pose Estimation | 3DPW | CHOMP | PA-MPJPE | 51.7 | #60 of 119 | Archive leaderboard | report |
| Unsupervised 3D Human Pose Estimation | Human3.6M | CHOMP | MPJPE | 64.7 | #2 of 12 | Archive leaderboard | report |
| Unsupervised 3D Human Pose Estimation | Human3.6M | CHOMP | PA-MPJPE | 40.1 | #2 of 12 | Archive leaderboard | report |
Ranks are positions in the archive's leaderboards as they stood at the 2025-07-28 snapshot. Results published since then are not among these rows, so a rank here is not a current standing.
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