DRSI-Net: Dual-Residual Spatial Interaction Network for Multi-Person Pose Estimation

• URL: http://arxiv.org/abs/2402.16640v2
• Date: Thu, 9 May 2024 14:12:39 GMT
• Title: DRSI-Net: Dual-Residual Spatial Interaction Network for Multi-Person Pose Estimation
• Authors: Shang Wu, Bin Wang,
• Abstract summary: We propose a dual-residual spatial interaction network (DRSI-Net) for MPPE with high accuracy and low complexity. Compared to other methods, DRSI-Net performs residual spatial information interactions on the neighbouring features. The proposed DRSI-Net outperforms other state-of-the-art methods in accuracy and complexity.
• Score: 7.418828517897727
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Multi-person pose estimation (MPPE), which aims to locate the key points for all persons in the frames, is an active research branch of computer vision. Variable human poses and complex scenes make MPPE dependent on local details and global structures; their absence may cause key point feature misalignment. In this case, high-order spatial interactions that can effectively link the local and global information of features are particularly important. However, most methods do not include spatial interactions. A few methods have low-order spatial interactions, but achieving a good balance between accuracy and complexity is challenging. To address the above problems, a dual-residual spatial interaction network (DRSI-Net) for MPPE with high accuracy and low complexity is proposed herein. Compared to other methods, DRSI-Net recursively performs residual spatial information interactions on the neighbouring features so that more useful spatial information can be retained and more similarities can be obtained between shallow and deep extracted features. The channel and spatial dual attention mechanism introduced in the multi-scale feature fusion also helps the network to adaptively focus on features relevant to the target key points and further refine the generated poses. Simultaneously, by optimising the interactive channel dimensions and dividing the gradient flow, the spatial interaction module is designed to be lightweight, thus reducing the complexity of the network. According to the experimental results on the COCO dataset, the proposed DRSI-Net outperforms other state-of-the-art methods in accuracy and complexity.

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