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Unsupervised person re-identification (re-ID) has attracted increasing research interests because of its scalability and possibility for real-world applications. State-of-the-art unsupervised re-ID methods usually follow a clustering-based…

Computer Vision and Pattern Recognition · Computer Science 2022-07-08 Tianyang Liu , Yutian Lin , Bo Du

An ongoing major challenge in computer vision is the task of person re-identification, where the goal is to match individuals across different, non-overlapping camera views. While recent success has been achieved via supervised learning…

Computer Vision and Pattern Recognition · Computer Science 2020-01-15 Devinder Kumar , Parthipan Siva , Paul Marchwica , Alexander Wong

While metric learning is important for Person re-identification (RE-ID), a significant problem in visual surveillance for cross-view pedestrian matching, existing metric models for RE-ID are mostly based on supervised learning that requires…

Computer Vision and Pattern Recognition · Computer Science 2017-10-19 Hong-Xing Yu , Ancong Wu , Wei-Shi Zheng

Domain adaptive object re-ID aims to transfer the learned knowledge from the labeled source domain to the unlabeled target domain to tackle the open-class re-identification problems. Although state-of-the-art pseudo-label-based methods have…

Computer Vision and Pattern Recognition · Computer Science 2020-10-14 Yixiao Ge , Feng Zhu , Dapeng Chen , Rui Zhao , Hongsheng Li

Cross-domain person re-identification (re-ID), such as unsupervised domain adaptive (UDA) re-ID, aims to transfer the identity-discriminative knowledge from the source to the target domain. Existing methods commonly consider the source and…

Computer Vision and Pattern Recognition · Computer Science 2022-03-04 Yongxing Dai , Yifan Sun , Jun Liu , Zekun Tong , Yi Yang , Ling-Yu Duan

Most video person re-identification (re-ID) methods are mainly based on supervised learning, which requires cross-camera ID labeling. Since the cost of labeling increases dramatically as the number of cameras increases, it is difficult to…

Computer Vision and Pattern Recognition · Computer Science 2020-05-14 Youngeun Kim , Seokeon Choi , Taekyung Kim , Sumin Lee , Changick Kim

Unsupervised domain adaptive (UDA) person re-identification (re-ID) is a challenging task due to the missing of labels for the target domain data. To handle this problem, some recent works adopt clustering algorithms to off-line generate…

Computer Vision and Pattern Recognition · Computer Science 2021-09-29 Yongxing Dai , Jun Liu , Yan Bai , Zekun Tong , Ling-Yu Duan

Existing unsupervised person re-identification (ReID) methods focus on adapting a model trained on a source domain to a fixed target domain. However, an adapted ReID model usually only works well on a certain target domain, but can hardly…

Computer Vision and Pattern Recognition · Computer Science 2022-03-15 Hao Chen , Benoit Lagadec , Francois Bremond

Person Re-Identification (re-id) is a challenging task in computer vision, especially when there are limited training data from multiple camera views. In this paper, we pro- pose a deep learning based person re-identification method by…

Computer Vision and Pattern Recognition · Computer Science 2016-11-21 Qiqi Xiao , Kelei Cao , Haonan Chen , Fangyue Peng , Chi Zhang

Unsupervised Domain Adaptation (UDA) methods for person Re-Identification (Re-ID) rely on target domain samples to model the marginal distribution of the data. To deal with the lack of target domain labels, UDA methods leverage information…

Computer Vision and Pattern Recognition · Computer Science 2021-01-06 Tiago de C. G. Pereira , Teofilo E. de Campos

This paper considers the domain adaptive person re-identification (re-ID) problem: learning a re-ID model from a labeled source domain and an unlabeled target domain. Conventional methods are mainly to reduce feature distribution gap…

Computer Vision and Pattern Recognition · Computer Science 2019-04-04 Zhun Zhong , Liang Zheng , Zhiming Luo , Shaozi Li , Yi Yang

Person re-identification (Re-ID) has achieved great success in the supervised scenario. However, it is difficult to directly transfer the supervised model to arbitrary unseen domains due to the model overfitting to the seen source domains.…

Computer Vision and Pattern Recognition · Computer Science 2022-06-14 Lei Qi , Lei Wang , Yinghuan Shi , Xin Geng

Person re-identification (ReId), a crucial task in surveillance, involves matching individuals across different camera views. The advent of Deep Learning, especially supervised techniques like Convolutional Neural Networks and Attention…

Computer Vision and Pattern Recognition · Computer Science 2025-10-27 Andrea Asperti , Salvatore Fiorilla , Simone Nardi , Lorenzo Orsini

Person re-identification (ReID) aims at searching the same identity person among images captured by various cameras. Unsupervised person ReID attracts a lot of attention recently, due to it works without intensive manual annotation and thus…

Computer Vision and Pattern Recognition · Computer Science 2021-03-05 Bo Pang , Deming Zhai , Junjun Jiang , Xianming Liu

Domain adaptive person re-identification (re-ID) is a challenging task due to the large discrepancy between the source domain and the target domain. To reduce the domain discrepancy, existing methods mainly attempt to generate pseudo labels…

Computer Vision and Pattern Recognition · Computer Science 2020-09-15 Junhui Yin , Jiayan Qiu , Siqing Zhang , Zhanyu Ma , Jun Guo

Recent advances in person re-identification have demonstrated enhanced discriminability, especially with supervised learning or transfer learning. However, since the data requirements---including the degree of data curations---are becoming…

Computer Vision and Pattern Recognition · Computer Science 2020-11-04 Kshitij Nikhal , Benjamin S. Riggan

Person re-identification (Re-ID) is a critical technique in the video surveillance system, which has achieved significant success in the supervised setting. However, it is difficult to directly apply the supervised model to arbitrary unseen…

Computer Vision and Pattern Recognition · Computer Science 2022-08-26 Lei Qi , Jiaying Shen , Jiaqi Liu , Yinghuan Shi , Xin Geng

Unsupervised visible-infrared person re-identification (UVI-ReID) has recently gained great attention due to its potential for enhancing human detection in diverse environments without labeling. Previous methods utilize intra-modality…

Computer Vision and Pattern Recognition · Computer Science 2024-04-11 Yexin Liu , Weiming Zhang , Athanasios V. Vasilakos , Lin Wang

Most of the proposed person re-identification algorithms conduct supervised training and testing on single labeled datasets with small size, so directly deploying these trained models to a large-scale real-world camera network may lead to…

Computer Vision and Pattern Recognition · Computer Science 2018-03-21 Jianming Lv , Weihang Chen , Qing Li , Can Yang

This work considers the problem of unsupervised domain adaptation in person re-identification (re-ID), which aims to transfer knowledge from the source domain to the target domain. Existing methods are primary to reduce the inter-domain…

Computer Vision and Pattern Recognition · Computer Science 2019-08-02 Zhun Zhong , Liang Zheng , Zhiming Luo , Shaozi Li , Yi Yang