Face Recognition with Multi-channel Local Mesh High-order Pattern Descriptor and Convolutional Neural Network
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Gao, Yongsheng
Zhou, Jun
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Murshed, M
Paul, M
Asikuzzaman, M
Pickering, M
Natu, A
RoblesKelly, A
You, S
Zheng, L
Rahman, A
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Canberra, Australia
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Abstract
In this paper, we propose a novel Local Mesh High-order Pattern Descriptor (LMHPD) for face recognition. This description is constructed in a high-order derivative space and is integrated with a Convolutional Neural Network (CNN) architecture. Based on the information collected at a local neighborhood of reference pixel with diverse radiuses and mesh angles, a vectorized feature representation of the reference pixel is generated to provide micro-patterns. They are then converted to multi-channels to use in conjunction with the CNN. The CNN adopted in the proposed architecture is generic and very compact with a small number of convolutional layers. However, LMHPD is derived in such a way that it can work with most of the available CNN architectures. For keeping the computational cost and time complexity at the minimum, we propose a lighter approach of high-order texture descriptor with CNN architecture that can effectively extract discriminative face features. Extensive experiments on Extended Yale B and CMU-PIE datasets show that our method consistently outperforms several alternative descriptors for face recognition under various circumstances.
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2018 Digital Image Computing: Techniques and Applications (DICTA)
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Artificial intelligence