ManiPose: Manifold-Constrained Multi-Hypothesis 3D Human Pose Estimation
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Abstract (arXiv)
We propose ManiPose, a manifold-constrained multi-hypothesis model for human-pose 2D-to-3D lifting. We provide theoretical and empirical evidence that, due to the depth ambiguity inherent to monocular 3D human pose estimation, traditional regression models suffer from pose-topology consistency issues, which standard evaluation metrics (MPJPE, P-MPJPE and PCK) fail to assess. ManiPose addresses depth ambiguity by proposing multiple candidate 3D poses for each 2D input, each with its estimated plausibility. Unlike previous multi-hypothesis approaches, ManiPose forgoes generative models, greatly facilitating its training and usage. By constraining the outputs to lie on the human pose manifold, ManiPose guarantees the consistency of all hypothetical poses, in contrast to previous works. We showcase the performance of ManiPose on real-world datasets, where it outperforms state-of-the-art models in pose consistency by a large margin while being very competitive on the MPJPE metric.
Key facts. Cited by 6 papers in the map (data through 14 Oct 2026). Builds on 40 of its 55 references that are in the map. First posted on arXiv 11 Dec 2023.
Builds on
40 of 55 references.
References · 40
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28 more
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Built on by
Citing papers per year: 2025: 2; 2026: 4.
6 papers.
- 2026Flow Matching for Probabilistic Monocular 3D Human Pose Estimationcited by 2
- 2025Real-Time ESFP: Estimating, Smoothing, Filtering, and Pose-Mappingcited by 0
- 20253D Human Pose and Shape Estimation from LiDAR Point Clouds: A Reviewcited by 0
- 2026RPGD: RANSAC-P3P Gradient Descent for Extrinsic Calibration in 3D Human Pose Estimationcited by 0
- 2026SEAL-pose: Enhancing 3D Human Pose Estimation via a Learned Loss for Structural Consistencycited by 0
- 2026CQF-HMR: Continuous Quaternion Flows for Probabilistic 3D Human Mesh Recovery from a Single Imagecited by 0
- 2026CQF-HMR: Continuous Quaternion Flows for Probabilistic 3D Human Mesh Recovery from a Single Image1 Sep 2026
- 2026SEAL-pose: Enhancing 3D Human Pose Estimation via a Learned Loss for Structural Consistency23 Feb 2026
- 2026RPGD: RANSAC-P3P Gradient Descent for Extrinsic Calibration in 3D Human Pose Estimation14 Feb 2026
- 2026Flow Matching for Probabilistic Monocular 3D Human Pose Estimation23 Jan 2026
- 20253D Human Pose and Shape Estimation from LiDAR Point Clouds: A Review15 Sep 2025
- 2025Real-Time ESFP: Estimating, Smoothing, Filtering, and Pose-Mapping26 Jun 2025