Residual Pose: A Decoupled Approach for Depth-based 3D Human Pose Estimation

• URL: http://arxiv.org/abs/2011.05010v1
• Date: Tue, 10 Nov 2020 10:08:13 GMT
• Title: Residual Pose: A Decoupled Approach for Depth-based 3D Human Pose Estimation
• Authors: Angel Mart\'inez-Gonz\'alez, Michael Villamizar, Olivier Can\'evet and Jean-Marc Odobez
• Abstract summary: We leverage recent advances in reliable 2D pose estimation with CNN to estimate the 3D pose of people from depth images. Our approach achieves very competitive results both in accuracy and speed on two public datasets.
• Score: 18.103595280706593
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: We propose to leverage recent advances in reliable 2D pose estimation with Convolutional Neural Networks (CNN) to estimate the 3D pose of people from depth images in multi-person Human-Robot Interaction (HRI) scenarios. Our method is based on the observation that using the depth information to obtain 3D lifted points from 2D body landmark detections provides a rough estimate of the true 3D human pose, thus requiring only a refinement step. In that line our contributions are threefold. (i) we propose to perform 3D pose estimation from depth images by decoupling 2D pose estimation and 3D pose refinement; (ii) we propose a deep-learning approach that regresses the residual pose between the lifted 3D pose and the true 3D pose; (iii) we show that despite its simplicity, our approach achieves very competitive results both in accuracy and speed on two public datasets and is therefore appealing for multi-person HRI compared to recent state-of-the-art methods.

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