arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 1805.03344cs.CV
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Attention-Aware Compositional Network for Person Re-identification

SenseNets Technology Limited(SenseNets科技有限公司);SenseTime Group Limited(商汤集团有限公司);The University of Sydney(悉尼大学)

Jing Xu, Rui Zhao, Feng Zhu, Huaming Wang, Wanli Ouyang

英文摘要:

Person re-identification (ReID) is to identify pedestrians observed from different camera views based on visual appearance. It is a challenging task due to large pose variations, complex background clutters and severe occlusions. Recently, human pose estimation by predicting joint locations was largely improved in accuracy. It is reasonable to use pose estimation results for handling pose variations and background clutters, and such attempts have obtained great improvement in ReID performance. However, we argue that the pose information was not well utilized and hasn't yet been fully exploited for person ReID. In this work, we introduce a novel framework called Attention-Aware Compositional Network (AACN) for person ReID. AACN consists of two main components: Pose-guided Part Attention (PPA) and Attention-aware Feature Composition (AFC). PPA is learned and applied to mask out undesirable background features in pedestrian feature maps. Furthermore, pose-guided visibility scores are estimated for body parts to deal with part occlusion in the proposed AFC module. Extensive experiments with ablation analysis show the effectiveness of our method, and state-of-the-art results are achieved on several public datasets, including Market-1501, CUHK03, CUHK01, SenseReID, CUHK03-NP and DukeMTMC-reID.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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