HMP: Hand Motion Priors for Pose and Shape Estimation from Video
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Date
2024
Publication Type
Conference Paper
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yes
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Abstract
Understanding how humans interact with the world necessitates accurate 3D hand pose estimation, a task complicated by the hand's high degree of articulation, frequent occlusions, self-occlusions, and rapid motions. While most existing methods rely on single-image inputs, videos have useful cues to address aforementioned issues. However, existing video-based 3D hand datasets are insufficient for training feedforward models to generalize to in-the-wild scenarios. On the other hand, we have access to large human motion capture datasets which also include hand motions, e.g. AMASS. Therefore, we develop a generative motion prior specific for hands, trained on the AMASS dataset which features diverse and high-quality hand motions. This motion prior is then employed for video-based 3D hand motion estimation following a latent optimization approach. Our integration of a robust motion prior significantly enhances performance, especially in occluded scenarios. It produces stable, temporally consistent results that surpass conventional single-frame methods. We demonstrate our method's efficacy via qualitative and quantitative evaluations on the HO3D and DexYCB datasets, with special emphasis on an occlusion-focused subset of HO3D. Code is available at https://hmp.is.tue.mpg.de
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published
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Book title
2024 IEEE/CVF Winter Conference on Applications of Computer Vision (WACV)
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Pages / Article No.
6341 - 6351
Publisher
IEEE
Event
IEEE/CVF Winter Conference on Applications of Computer Vision (WACV 2024)
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Subject
Algorithms; Biometrics; face; gesture; body pose; Algorithms; 3D computer vision