Papers › View-Invariant Probabilistic Embedding for Human Pose
View-Invariant Probabilistic Embedding for Human Pose
Jennifer J. Sun, Jiaping Zhao, Liang-Chieh Chen, Florian Schroff, Hartwig Adam, Ting Liu
Depictions of similar human body configurations can vary with changing viewpoints. Using only 2D information, we would like to enable vision algorithms to recognize similarity in human body poses across multiple views. This ability is useful for analyzing body movements and human behaviors in images and videos. In this paper, we propose an approach for learning a compact view-invariant embedding space from 2D joint keypoints alone, without explicitly predicting 3D poses. Since 2D poses are projected from 3D space, they have an inherent ambiguity, which is difficult to represent through a deterministic mapping. Hence, we use probabilistic embeddings to model this input uncertainty. Experimental results show that our embedding model achieves higher accuracy when retrieving similar poses across different camera views, in comparison with 2D-to-3D pose lifting models. We also demonstrate the effectiveness of applying our embeddings to view-invariant action recognition and video alignment. Our code is available at https://github.com/google-research/google-research/tree/master/poem.
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Tasks
Results from the paper archive 2025-07-28
| Task | Dataset | Model | Metric | Value | Rank at snapshot | Leaderboard | Report |
|---|---|---|---|---|---|---|---|
| Pose Retrieval | Human3.6M | Pr-VIPE | Hit@1 | 76.2 | #1 of 1 | Archive leaderboard | report |
| Pose Retrieval | Human3.6M | Pr-VIPE | Hit@10 | 95.6 | #1 of 1 | Archive leaderboard | report |
| Pose Retrieval | MPI-INF-3DHP | Pr-VIPE | Hit@1 | 26.4 | #1 of 1 | Archive leaderboard | report |
| Pose Retrieval | MPI-INF-3DHP | Pr-VIPE | Hit@10 | 58.6 | #1 of 1 | Archive leaderboard | report |
| Skeleton Based Action Recognition | UPenn Action | Pr-VIPE | Accuracy | 97.5 | #2 of 3 | Archive leaderboard | report |
| Video Alignment | UPenn Action | Pr-VIPE | Kendall's Tau | 0.7476 | #2 of 4 | Archive leaderboard | report |
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