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PCNet: a human pose compensation network based on incremental learning for sports actions estimation
Jia-Hong Jiang, Nan Xia
Human pose estimation has a wide range of applications. Existing methods perform well in conventional domains, but there are certain defects when they are applied to sports activities. The first is lack of estimation of the extremity posture, making it impossible to comprehensively evaluate the movement posture; the second is insufficient occlusion handling. Therefore, we propose a human pose compensation network based on incremental learning, which obtains shared weights to extract detailed features under the premise of limited extremity training data. We propose a higher-order feature compensator (HOFcompensator) to embed the attributes of the extremity into the torso and limbs topology structure, building a complete higherorder feature. In addition, to improve the occlusion handling performance, we propose an occlusion feature enhancement attention mechanism (OFE-attention) that can identify occluded keypoints and enhance attention to occlusion areas. We design comparative experiments on three public datasets and a self-built sports dataset, achieving the highest mean accuracy among all comparative methods. In addition, we design a series of ablation analysis and visualization displays to verify that our method performs best in sports pose estimation
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Tasks
Results from the paper archive 2025-07-28
| Task | Dataset | Model | Metric | Value | Rank at snapshot | Leaderboard | Report |
|---|---|---|---|---|---|---|---|
| 2D Human Pose Estimation | COCO-WholeBody | PCNet | WB | 66.4 | #2 of 15 | Archive leaderboard | report |
| 2D Human Pose Estimation | COCO-WholeBody | PCNet | body | 76.9 | #2 of 15 | Archive leaderboard | report |
| 2D Human Pose Estimation | COCO-WholeBody | PCNet | face | 89.7 | #2 of 15 | Archive leaderboard | report |
| 2D Human Pose Estimation | COCO-WholeBody | PCNet | foot | 65.3 | #2 of 15 | Archive leaderboard | report |
| 2D Human Pose Estimation | COCO-WholeBody | PCNet | hand | 65.6 | #2 of 15 | 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.
Methods
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