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3D separable convolutional neural network for dynamic hand gesture recognition
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DOI：10.1016/j.neucom.2018.08.042.png)
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Abstract
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Dynamic hand gesture recognition, as an essential part of Human-Computer Interaction, and especially an important way to realize Augmented Reality, has been attracting attention from many scholars and yet presenting many more challenges. Recently, being aware of deep convolutional neural network's excellent performance, many scholars began to apply it to gesture recognition, and obtained promising results. However, no enough attention has been paid to the number of parameters in the network and the amount of computer calculation needed until now. In this paper, a 3D separable convolutional neural network is proposed for dynamic gesture recognition. This study aims to make the model less complex without compromising its high recognition accuracy, such that it can be deployed to augmented reality glasses more easily in the future. By the application of skip connection and layer-wise learning rate, the undesired gradient dispersion due to the separation operation is solved and the performance of the network is improved. The fusion of feature information is further promoted by shuffle operation. In addition, a dynamic hand gesture library is built through HoloLens, which thus proves the feasibility of the proposed method. (C) 2018 Elsevier B.V. All rights reserved.
Keywords:
Hand gesture recognition
3D separable CNN
Skip connection
Layer-wise learning rate
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