In this work, we tackle the problem of person search, which is a challenging task consisted of pedestrian detection and person re-identification (re-ID). Instead of sharing representations in a single joint model, we find that separating detector and re-ID feature extraction yields better performance. In order to extract more representative features for each identity, we propose a simple yet effective re-ID method, which models foreground person and original image patches individually, and obtains enriched representations from two separate CNN streams. On the standard person search benchmark datasets, we achieve mAP of 83.0 % and 32.6 % respectively for CUHK-SYSU and PRW, surpassing the state of the art by a large margin (more than 5 pp).
CITATION STYLE
Chen, D., Zhang, S., Ouyang, W., Yang, J., & Tai, Y. (2018). Person search via a mask-guided two-stream CNN model. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 11211 LNCS, pp. 764–781). Springer Verlag. https://doi.org/10.1007/978-3-030-01234-2_45
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