Global Relation Modeling and Refinement for Bottom-Up Human Pose Estimation

• URL: http://arxiv.org/abs/2303.14888v1
• Date: Mon, 27 Mar 2023 02:54:08 GMT
• Title: Global Relation Modeling and Refinement for Bottom-Up Human Pose Estimation
• Authors: Ruoqi Yin, Jianqin Yin
• Abstract summary: We propose a convolutional neural network for bottom-up human pose estimation. Our model has the ability to focus on different granularity from local to global regions. Our results on the COCO and CrowdPose datasets demonstrate that it is an efficient framework for multi-person pose estimation.
• Score: 4.24515544235173
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: In this paper, we concern on the bottom-up paradigm in multi-person pose estimation (MPPE). Most previous bottom-up methods try to consider the relation of instances to identify different body parts during the post processing, while ignoring to model the relation among instances or environment in the feature learning process. In addition, most existing works adopt the operations of upsampling and downsampling. During the sampling process, there will be a problem of misalignment with the source features, resulting in deviations in the keypoint features learned by the model. To overcome the above limitations, we propose a convolutional neural network for bottom-up human pose estimation. It invovles two basic modules: (i) Global Relation Modeling (GRM) module globally learns relation (e.g., environment context, instance interactive information) among region of image by fusing multiple stages features in the feature learning process. It combines with the spatial-channel attention mechanism, which focuses on achieving adaptability in spatial and channel dimensions. (ii) Multi-branch Feature Align (MFA) module aggregates features from multiple branches to align fused feature and obtain refined local keypoint representation. Our model has the ability to focus on different granularity from local to global regions, which significantly boosts the performance of the multi-person pose estimation. Our results on the COCO and CrowdPose datasets demonstrate that it is an efficient framework for multi-person pose estimation.

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