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Unsupervised person re-ID is the task of identifying people on a target data set for which the ID labels are unavailable during training. In this paper, we propose to unify two trends in unsupervised person re-ID: clustering & fine-tuning…

Computer Vision and Pattern Recognition · Computer Science 2020-04-29 Guillaume Delorme , Yihong Xu , Stephane Lathuilière , Radu Horaud , Xavier Alameda-Pineda

Person re-identification (re-ID) aims at matching images of the same person across camera views. Due to varying distances between cameras and persons of interest, resolution mismatch can be expected, which would degrade re-ID performance in…

Computer Vision and Pattern Recognition · Computer Science 2020-10-26 Yu-Jhe Li , Yun-Chun Chen , Yen-Yu Lin , Yu-Chiang Frank Wang

While attributes have been widely used for person re-identification (Re-ID) which aims at matching the same person images across disjoint camera views, they are used either as extra features or for performing multi-task learning to assist…

Computer Vision and Pattern Recognition · Computer Science 2018-07-05 Zhou Yin , Wei-Shi Zheng , Ancong Wu , Hong-Xing Yu , Hai Wan , Xiaowei Guo , Feiyue Huang , Jianhuang Lai

In visible-infrared video person re-identification (re-ID), extracting features not affected by complex scenes (such as modality, camera views, pedestrian pose, background, etc.) changes, and mining and utilizing motion information are the…

Computer Vision and Pattern Recognition · Computer Science 2023-08-14 Huafeng Li , Le Xu , Yafei Zhang , Dapeng Tao , Zhengtao Yu

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

Person re-identification (re-ID) aims at matching images of the same identity across camera views. Due to varying distances between cameras and persons of interest, resolution mismatch can be expected, which would degrade person re-ID…

Computer Vision and Pattern Recognition · Computer Science 2019-08-19 Yu-Jhe Li , Yun-Chun Chen , Yen-Yu Lin , Xiaofei Du , Yu-Chiang Frank Wang

Person re-identification is a key technology for analyzing video-based human behavior; however, its application is still challenging in practical situations due to the performance degradation for domains different from those in the training…

Computer Vision and Pattern Recognition · Computer Science 2022-10-26 S. Takeuchi , F. Li , S. Iwasaki , J. Ning , G. Suzuki

Unsupervised cross-domain person re-identification (Re-ID) faces two key issues. One is the data distribution discrepancy between source and target domains, and the other is the lack of labelling information in target domain. They are…

Computer Vision and Pattern Recognition · Computer Science 2019-08-13 Lei Qi , Lei Wang , Jing Huo , Luping Zhou , Yinghuan Shi , Yang Gao

Inspired by the effectiveness of adversarial training in the area of Generative Adversarial Networks we present a new approach for learning feature representations in person re-identification. We investigate different types of bias that…

Computer Vision and Pattern Recognition · Computer Science 2019-04-02 Sara Iodice , Krystian Mikolajczyk

Aiming at recognizing images of the same person across distinct camera views, person re-identification (re-ID) has been among active research topics in computer vision. Most existing re-ID works require collection of a large amount of…

Computer Vision and Pattern Recognition · Computer Science 2020-10-20 Ci-Siang Lin , Yuan-Chia Cheng , Yu-Chiang Frank Wang

Person re-identification (re-ID) remains challenging in a real-world scenario, as it requires a trained network to generalise to totally unseen target data in the presence of variations across domains. Recently, generative adversarial…

Computer Vision and Pattern Recognition · Computer Science 2020-05-08 Amena Khatun , Simon Denman , Sridha Sridharan , Clinton Fookes

Person Re-identification (ReID) aims to retrieve images of the same individual captured across non-overlapping camera views, making it a critical component of intelligent surveillance systems. Traditional ReID methods assume that the…

Computer Vision and Pattern Recognition · Computer Science 2025-06-17 Hyeonseo Lee , Juhyun Park , Jihyong Oh , Chanho Eom

We address the problem of visible-infrared person re-identification (VI-reID), that is, retrieving a set of person images, captured by visible or infrared cameras, in a cross-modal setting. Two main challenges in VI-reID are intra-class…

Computer Vision and Pattern Recognition · Computer Science 2021-08-18 Hyunjong Park , Sanghoon Lee , Junghyup Lee , Bumsub Ham

Visible-infrared person re-identification (ReID) aims to recognize a same person of interest across a network of RGB and IR cameras. Some deep learning (DL) models have directly incorporated both modalities to discriminate persons in a…

Computer Vision and Pattern Recognition · Computer Science 2022-09-21 Mahdi Alehdaghi , Arthur Josi , Rafael M. O. Cruz , Eric Granger

Person re-identification (re-id) is the task of matching multiple occurrences of the same person from different cameras, poses, lighting conditions, and a multitude of other factors which alter the visual appearance. Typically, this is…

Computer Vision and Pattern Recognition · Computer Science 2017-09-20 Arne Schumann , Shaogang Gong , Tobias Schuchert

Person re-identification (Re-ID) aims at recognizing the same person from images taken across different cameras. To address this task, one typically requires a large amount labeled data for training an effective Re-ID model, which might not…

Computer Vision and Pattern Recognition · Computer Science 2018-04-26 Yu-Jhe Li , Fu-En Yang , Yen-Cheng Liu , Yu-Ying Yeh , Xiaofei Du , Yu-Chiang Frank Wang

Recently unsupervised person re-identification (re-ID) has drawn much attention due to its open-world scenario settings where limited annotated data is available. Existing supervised methods often fail to generalize well on unseen domains,…

Computer Vision and Pattern Recognition · Computer Science 2024-06-18 Yuanpeng Tu

RGB-Infrared (IR) person re-identification is an important and challenging task due to large cross-modality variations between RGB and IR images. Most conventional approaches aim to bridge the cross-modality gap with feature alignment by…

Computer Vision and Pattern Recognition · Computer Science 2019-10-30 Guan'an Wang , Tianzhu Zhang , Jian Cheng , Si Liu , Yang Yang , Zengguang Hou

Person re-identification is a basic subject in the field of computer vision. The traditional methods have several limitations in solving the problems of person illumination like occlusion, pose variation and feature variation under complex…

Computer Vision and Pattern Recognition · Computer Science 2019-04-19 Hamed Alqahtani , Manolya Kavakli-Thorne , Charles Z. Liu

Person re-identification faces two core challenges: precisely locating the foreground target while suppressing background noise and extracting fine-grained features from the target region. Numerous visual-only approaches address these…

Computer Vision and Pattern Recognition · Computer Science 2025-09-04 Kaicong Huang , Talha Azfar , Jack M. Reilly , Thomas Guggisberg , Ruimin Ke
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