Parallel Multi-Scale Networks with Deep Supervision for Hand Keypoint Detection

• URL: http://arxiv.org/abs/2112.10275v1
• Date: Sun, 19 Dec 2021 22:38:16 GMT
• Title: Parallel Multi-Scale Networks with Deep Supervision for Hand Keypoint Detection
• Authors: Renjie Li, Son Tran, Saurabh Garg, Katherine Lawler, Jane Alty, Quan Bai
• Abstract summary: We propose a novel CNN model named Multi-Scale Deep Supervision Network (P-MSDSNet) P-MSDSNet learns feature maps at different scales with deep supervisions to produce attention maps for adaptive feature propagation from layers to layers. We show that P-MSDSNet outperforms the state-of-the-art approaches on benchmark datasets while requiring fewer number of parameters.
• Score: 3.1781111932870716
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Keypoint detection plays an important role in a wide range of applications. However, predicting keypoints of small objects such as human hands is a challenging problem. Recent works fuse feature maps of deep Convolutional Neural Networks (CNNs), either via multi-level feature integration or multi-resolution aggregation. Despite achieving some success, the feature fusion approaches increase the complexity and the opacity of CNNs. To address this issue, we propose a novel CNN model named Multi-Scale Deep Supervision Network (P-MSDSNet) that learns feature maps at different scales with deep supervisions to produce attention maps for adaptive feature propagation from layers to layers. P-MSDSNet has a multi-stage architecture which makes it scalable while its deep supervision with spatial attention improves transparency to the feature learning at each stage. We show that P-MSDSNet outperforms the state-of-the-art approaches on benchmark datasets while requiring fewer number of parameters. We also show the application of P-MSDSNet to quantify finger tapping hand movements in a neuroscience study.

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