Three-dimensional convolutional neural networks applied to video sensor-based gait recognition

Xianfu Zhang; Nuo Xu; Xurui Zhang; Shouqian Sun; Yuping Hu

doi:10.1117/12.2502828

9 August 2018 Three-dimensional convolutional neural networks applied to video sensor-based gait recognition

Xianfu Zhang, Nuo Xu, Xurui Zhang, Shouqian Sun, Yuping Hu

Proceedings Volume 10806, Tenth International Conference on Digital Image Processing (ICDIP 2018); 108061V (2018) https://doi.org/10.1117/12.2502828
Event: Tenth International Conference on Digital Image Processing (ICDIP 2018), 2018, Shanghai, China

Abstract

In this paper, we propose a novel gait representation based on 3D-CNN, i.e., learning spatio-temporal multi-scale gait identity features (GaitID) using the 3-dimensional convolutional networks. Our contributions include: 1) explore different numbers of input frames for 3D-CNN model, 2) evaluate different features and gait representations in 3D-CNN, and 3) improve the net structure to learn multi-scale gait features with low dimensions. Nearest neighbor (NN) classifier was applied to identify the gait. When compared with other existing methods, the results reported on the CASIA-B dataset demonstrated that the proposed method not only achieved a competitive performance, but also still retained the discriminative power in a very low dimension (128-D), even with a simpler classifier.

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Xianfu Zhang, Nuo Xu, Xurui Zhang, Shouqian Sun, and Yuping Hu "Three-dimensional convolutional neural networks applied to video sensor-based gait recognition", Proc. SPIE 10806, Tenth International Conference on Digital Image Processing (ICDIP 2018), 108061V (9 August 2018); https://doi.org/10.1117/12.2502828

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KEYWORDS

Gait analysis

Video

3D modeling

3D image processing

Feature extraction

Model-based design

Motion models

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