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Appl. Sci. 2019, 9(8), 1550; https://doi.org/10.3390/app9081550

Attention-Aware Adversarial Network for Person Re-Identification

1
School of Mathematical Sciences, Dalian University of Technology, Dalian 116024, China
2
Department of Basic Courses, Criminal Investigation Police University of China, Shenyang 110854, China
*
Author to whom correspondence should be addressed.
Received: 19 March 2019 / Revised: 4 April 2019 / Accepted: 9 April 2019 / Published: 14 April 2019
(This article belongs to the Special Issue Advanced Intelligent Imaging Technology)
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Abstract

Person re-identification (re-ID) is a fundamental problem in the field of computer vision. The performance of deep learning-based person re-ID models suffers from a lack of training data. In this work, we introduce a novel image-specific data augmentation method on the feature map level to enforce feature diversity in the network. Furthermore, an attention assignment mechanism is proposed to enforce that the person re-ID classifier focuses on nearly all important regions of the input person image. To achieve this, a three-stage framework is proposed. First, a baseline classification network is trained for person re-ID. Second, an attention assignment network is proposed based on the baseline network, in which the attention module learns to suppress the response of the current detected regions and re-assign attentions to other important locations. By this means, multiple important regions for classification are highlighted by the attention map. Finally, the attention map is integrated in the attention-aware adversarial network (AAA-Net), which generates high-performance classification results with an adversarial training strategy. We evaluate the proposed method on two large-scale benchmark datasets, including Market1501 and DukeMTMC-reID. Experimental results show that our algorithm performs favorably against the state-of-the-art methods. View Full-Text
Keywords: person re-identification; attention mechanism; adversarial network person re-identification; attention mechanism; adversarial network
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Shen, A.; Wang, H.; Wang, J.; Tan, H.; Liu, X.; Cao, J. Attention-Aware Adversarial Network for Person Re-Identification. Appl. Sci. 2019, 9, 1550.

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