View Consistency Aware Holistic Triangulation for 3D Human Pose Estimation

• URL: http://arxiv.org/abs/2302.11301v2
• Date: Thu, 23 Feb 2023 02:01:36 GMT
• Title: View Consistency Aware Holistic Triangulation for 3D Human Pose Estimation
• Authors: Xiaoyue Wan, Zhuo Chen, Xu Zhao
• Abstract summary: We introduce a Multi-View Fusion module to refine 2D results by establishing view correlations. Holistic Triangulation is proposed to infer the whole pose as an entirety, and anatomy prior is injected to maintain the pose coherence. Our method outperforms the state of the art in both precision and plausibility which is assessed by a new metric.
• Score: 19.17724401988387
• License: http://creativecommons.org/licenses/by-nc-nd/4.0/
• Abstract: The rapid development of multi-view 3D human pose estimation (HPE) is attributed to the maturation of monocular 2D HPE and the geometry of 3D reconstruction. However, 2D detection outliers in occluded views due to neglect of view consistency, and 3D implausible poses due to lack of pose coherence, remain challenges. To solve this, we introduce a Multi-View Fusion module to refine 2D results by establishing view correlations. Then, Holistic Triangulation is proposed to infer the whole pose as an entirety, and anatomy prior is injected to maintain the pose coherence and improve the plausibility. Anatomy prior is extracted by PCA whose input is skeletal structure features, which can factor out global context and joint-by-joint relationship from abstract to concrete. Benefiting from the closed-form solution, the whole framework is trained end-to-end. Our method outperforms the state of the art in both precision and plausibility which is assessed by a new metric.

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