Diffusion-Based 3D Human Pose Estimation with Multi-Hypothesis Aggregation Article Swipe

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Wenkang Shan , Zhenhua Liu , Xinfeng Zhang , Zhao Wang , Kai Han , Shanshe Wang , Siwei Ma , Wen Gao ·

YOU? · · 2023 · Open Access · · DOI: https://doi.org/10.48550/arxiv.2303.11579

In this paper, a novel Diffusion-based 3D Pose estimation (D3DP) method with Joint-wise reProjection-based Multi-hypothesis Aggregation (JPMA) is proposed for probabilistic 3D human pose estimation. On the one hand, D3DP generates multiple possible 3D pose hypotheses for a single 2D observation. It gradually diffuses the ground truth 3D poses to a random distribution, and learns a denoiser conditioned on 2D keypoints to recover the uncontaminated 3D poses. The proposed D3DP is compatible with existing 3D pose estimators and supports users to balance efficiency and accuracy during inference through two customizable parameters. On the other hand, JPMA is proposed to assemble multiple hypotheses generated by D3DP into a single 3D pose for practical use. It reprojects 3D pose hypotheses to the 2D camera plane, selects the best hypothesis joint-by-joint based on the reprojection errors, and combines the selected joints into the final pose. The proposed JPMA conducts aggregation at the joint level and makes use of the 2D prior information, both of which have been overlooked by previous approaches. Extensive experiments on Human3.6M and MPI-INF-3DHP datasets show that our method outperforms the state-of-the-art deterministic and probabilistic approaches by 1.5% and 8.9%, respectively. Code is available at https://github.com/paTRICK-swk/D3DP.

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Pose Computer science Estimator Probabilistic logic Inference Joint (building) Ground truth Artificial intelligence Code (set theory) Estimation Joint probability distribution Pattern recognition (psychology) Statistics Mathematics Economics Engineering Programming language Architectural engineering Set (abstract data type) Management

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Type: preprint
Language: en
Landing Page: http://arxiv.org/abs/2303.11579
PDF: https://arxiv.org/pdf/2303.11579
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Cited By: 8
Related Works: 10
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DOI: https://doi.org/10.48550/arxiv.2303.11579

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Title: Diffusion-Based 3D Human Pose Estimation with Multi-Hypothesis Aggregation

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Type: preprint

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Language: en

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Publication year: 2023

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Publication date: 2023-03-21

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Authors: Wenkang Shan, Zhenhua Liu, Xinfeng Zhang, Zhao Wang, Kai Han, Shanshe Wang, Siwei Ma, Wen Gao

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Landing page: https://arxiv.org/abs/2303.11579

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Concepts: Pose, Computer science, Estimator, Probabilistic logic, Inference, Joint (building), Ground truth, Artificial intelligence, Code (set theory), Estimation, Joint probability distribution, Pattern recognition (psychology), Statistics, Mathematics, Economics, Engineering, Programming language, Architectural engineering, Set (abstract data type), Management

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Cited by: 8

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Citations by year (recent): 2025: 1, 2024: 6, 2023: 1

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abstract_inverted_index.selected	136
abstract_inverted_index.supports	78
abstract_inverted_index.Extensive	168
abstract_inverted_index.Human3.6M	171
abstract_inverted_index.available	193
abstract_inverted_index.generated	102
abstract_inverted_index.generates	30
abstract_inverted_index.gradually	42
abstract_inverted_index.inference	86
abstract_inverted_index.keypoints	60
abstract_inverted_index.practical	111
abstract_inverted_index.Joint-wise	12
abstract_inverted_index.approaches	185
abstract_inverted_index.compatible	71
abstract_inverted_index.efficiency	82
abstract_inverted_index.estimation	8
abstract_inverted_index.estimators	76
abstract_inverted_index.hypotheses	35, 101, 117
abstract_inverted_index.hypothesis	126
abstract_inverted_index.overlooked	164
abstract_inverted_index.reprojects	114
abstract_inverted_index.Aggregation	15
abstract_inverted_index.aggregation	146
abstract_inverted_index.approaches.	167
abstract_inverted_index.conditioned	57
abstract_inverted_index.estimation.	24
abstract_inverted_index.experiments	169
abstract_inverted_index.outperforms	179
abstract_inverted_index.parameters.	90
abstract_inverted_index.MPI-INF-3DHP	173
abstract_inverted_index.customizable	89
abstract_inverted_index.information,	158
abstract_inverted_index.observation.	40
abstract_inverted_index.reprojection	131
abstract_inverted_index.deterministic	182
abstract_inverted_index.distribution,	52
abstract_inverted_index.probabilistic	20, 184
abstract_inverted_index.respectively.	190
abstract_inverted_index.joint-by-joint	127
abstract_inverted_index.uncontaminated	64
abstract_inverted_index.Diffusion-based	5
abstract_inverted_index.Multi-hypothesis	14
abstract_inverted_index.state-of-the-art	181
abstract_inverted_index.reProjection-based	13
abstract_inverted_index.https://github.com/paTRICK-swk/D3DP.	195
cited_by_percentile_year
countries_distinct_count	0
institutions_distinct_count	8
citation_normalized_percentile