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MHSA-Net: Multi-Head Self-Attention Network for Occluded Person Re-Identification

2020-08-10 10:42:23
Hongchen Tan, Xiuping Liu, Shengjing Tian, Baocai Yin, Xin Li
arXiv_CV
           
Abstract

This paper presents a novel person re-identification model, named Multi-Head Self-Attention Network (MHSA-Net), to prune unimportant information and capture key local information from person images. MHSA-Net contains two main novel components: Multi-Head Self-Attention Branch (MHSAB) and Attention Competition Mechanism (ACM). The MHSAM adaptively captures key local person information, and then produces effective diversity embeddings of an image for the person matching. The ACM further helps filter out attention noise and non-key information. Through extensive ablation studies, we verified that the Structured Self-Attention Branch and Attention Competition Mechanism both contribute to the performance improvement of the MHSA-Net. Our MHSA-Net achieves state-of-the-art performance especially on images with occlusions. We have released our models (and will release the source codes after the paper is accepted) on this https URL.

Abstract (translated)

URL

https://arxiv.org/abs/2008.04015

PDF

https://arxiv.org/pdf/2008.04015.pdf

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