Motion-DVAE: Unsupervised learning for fast human motion denoising

• URL: http://arxiv.org/abs/2306.05846v2
• Date: Thu, 30 Nov 2023 07:42:04 GMT
• Title: Motion-DVAE: Unsupervised learning for fast human motion denoising
• Authors: Gu\'enol\'e Fiche, Simon Leglaive, Xavier Alameda-Pineda, Renaud S\'eguier
• Abstract summary: We introduce Motion-DVAE, a motion prior to capture the short-term dependencies of human motion. Together with Motion-DVAE, we introduce an unsupervised learned denoising method unifying regression- and optimization-based approaches.
• Score: 18.432026846779372
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Pose and motion priors are crucial for recovering realistic and accurate human motion from noisy observations. Substantial progress has been made on pose and shape estimation from images, and recent works showed impressive results using priors to refine frame-wise predictions. However, a lot of motion priors only model transitions between consecutive poses and are used in time-consuming optimization procedures, which is problematic for many applications requiring real-time motion capture. We introduce Motion-DVAE, a motion prior to capture the short-term dependencies of human motion. As part of the dynamical variational autoencoder (DVAE) models family, Motion-DVAE combines the generative capability of VAE models and the temporal modeling of recurrent architectures. Together with Motion-DVAE, we introduce an unsupervised learned denoising method unifying regression- and optimization-based approaches in a single framework for real-time 3D human pose estimation. Experiments show that the proposed approach reaches competitive performance with state-of-the-art methods while being much faster.

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