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Person re-identification (re-id), the process of matching pedestrian images across different camera views, is an important task in visual surveillance. Substantial development of re-id has recently been observed, and the majority of…

Computer Vision and Pattern Recognition · Computer Science 2020-02-10 Qize Yang , Ancong Wu , Wei-Shi Zheng

Cloth-changing person re-identification (CC-ReID) aims to match individuals across surveillance cameras despite variations in clothing. Existing methods typically mitigate the impact of clothing changes or enhance identity (ID)-relevant…

Computer Vision and Pattern Recognition · Computer Science 2025-05-20 Xiyu Han , Xian Zhong , Wenxin Huang , Xuemei Jia , Xiaohan Yu , Alex Chichung Kot

Clothes-changing person re-identification (CC-ReID) aims to retrieve images of the same person wearing different outfits. Mainstream researches focus on designing advanced model structures and strategies to capture identity information…

Computer Vision and Pattern Recognition · Computer Science 2024-04-22 Junjie Li , Guanshuo Wang , Fufu Yu , Yichao Yan , Qiong Jia , Shouhong Ding , Xingdong Sheng , Yunhui Liu , Xiaokang Yang

Person Re-Identification (Re-ID) task seeks to enhance the tracking of multiple individuals by surveillance cameras. It supports multimodal tasks, including text-based person retrieval and human matching. One of the most significant…

Computer Vision and Pattern Recognition · Computer Science 2024-06-04 Quoc-Huy Trinh , Nhat-Tan Bui , Dinh-Hieu Hoang , Phuoc-Thao Vo Thi , Hai-Dang Nguyen , Debesh Jha , Ulas Bagci , Ngan Le , Minh-Triet Tran

The study of Cloth-Changing Person Re-identification (CC-ReID) focuses on retrieving specific pedestrians when their clothing has changed, typically under the assumption that the entire pedestrian images are visible. Pedestrian images in…

Computer Vision and Pattern Recognition · Computer Science 2025-09-05 Zhihao Chen , Yiyuan Ge , Yanyan Lv , Ziyang Wang , Mingya Zhang

Person Re-Identification (ReID) has several challenges in real-world surveillance systems due to clothing changes (CCReID) and the need for maintaining continual learning (LReID). Previous existing methods either develop models specifically…

Computer Vision and Pattern Recognition · Computer Science 2025-09-16 Robert Long , Rongxin Jiang , Mingrui Yan

Although unsupervised person re-identification (Re-ID) has drawn increasing research attention recently, it remains challenging to learn discriminative features without annotations across disjoint camera views. In this paper, we address the…

Computer Vision and Pattern Recognition · Computer Science 2021-03-09 Qing Li , Xiaojiang Peng , Yu Qiao , Qi Hao

Cloth-changing person re-identification (CC-ReID), which aims to match person identities under clothing changes, is a new rising research topic in recent years. However, typical biometrics-based CC-ReID methods often require cumbersome pose…

Computer Vision and Pattern Recognition · Computer Science 2022-08-26 Jianbing Wu , Hong Liu , Wei Shi , Hao Tang , Jingwen Guo

Cloth-Changing Person Re-Identification (CC-ReID) aims to match the same individual across cameras under varying clothing conditions. Existing approaches often remove apparel and focus on the head region to reduce clothing bias. However,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Xiangyang He , Lin Wan

RGB-Infrared person re-identification (RGB-IR ReID) aims to associate people across disjoint RGB and IR camera views. Currently, state-of-the-art performance of RGB-IR ReID is not as impressive as that of conventional ReID. Much of that is…

Computer Vision and Pattern Recognition · Computer Science 2022-04-27 Lin Wan , Qianyan Jing , Zongyuan Sun , Chuang Zhang , Zhihang Li , Yehansen Chen

Occluded Person Re-Identification (ReID) is a metric learning task that involves matching occluded individuals based on their appearance. While many studies have tackled occlusions caused by objects, multi-person occlusions remain less…

Computer Vision and Pattern Recognition · Computer Science 2025-03-20 Vladimir Somers , Christophe De Vleeschouwer , Alexandre Alahi

Clothes-Changing Person Re-Identification (ReID) aims to recognize the same individual across different videos captured at various times and locations. This task is particularly challenging due to changes in appearance, such as clothing,…

Computer Vision and Pattern Recognition · Computer Science 2025-03-17 Asaf Joseph , Shmuel Peleg

Cloth-Changing person re-identification (CC-ReID) aims at matching the same person across different locations over a long-duration, e.g., over days, and therefore inevitably meets challenge of changing clothing. In this paper, we focus on…

Computer Vision and Pattern Recognition · Computer Science 2022-04-01 Xin Jin , Tianyu He , Kecheng Zheng , Zhiheng Yin , Xu Shen , Zhen Huang , Ruoyu Feng , Jianqiang Huang , Xian-Sheng Hua , Zhibo Chen

Cloth-Changing Person Re-Identification (CC-ReID) is a common and realistic problem since fashion constantly changes over time and people's aesthetic preferences are not set in stone. While most existing cloth-changing ReID methods focus on…

Computer Vision and Pattern Recognition · Computer Science 2023-10-31 Yubin Wang , Huimin Yu , Yuming Yan , Shuyi Song , Biyang Liu , Yichong Lu

Deep learning technology promotes the rapid development of person re-identifica-tion (re-ID). However, some challenges are still existing in the open-world. First, the existing re-ID research usually assumes only one factor variable (view,…

Computer Vision and Pattern Recognition · Computer Science 2021-02-23 Yaguan Qian , Anlin Sun

Long-Term Person Re-Identification (LT-ReID) has become increasingly crucial in computer vision and biometrics. In this work, we aim to extend LT-ReID beyond pedestrian recognition to include a wider range of real-world human activities…

Computer Vision and Pattern Recognition · Computer Science 2023-09-22 Feng Liu , Minchul Kim , ZiAng Gu , Anil Jain , Xiaoming Liu

Cloth-changing person Re-IDentification (Re-ID) is a particularly challenging task, suffering from two limitations of inferior discriminative features and limited training samples. Existing methods mainly leverage auxiliary information to…

Computer Vision and Pattern Recognition · Computer Science 2024-06-21 Qizao Wang , Xuelin Qian , Bin Li , Xiangyang Xue , Yanwei Fu

The challenge of unsupervised person re-identification (ReID) lies in learning discriminative features without true labels. This paper formulates unsupervised person ReID as a multi-label classification task to progressively seek true…

Computer Vision and Pattern Recognition · Computer Science 2020-04-21 Dongkai Wang , Shiliang Zhang

Person re-identification (ReID) plays a critical role in intelligent surveillance systems by linking identities across multiple cameras in complex environments. However, ReID faces significant challenges such as appearance variations,…

Computer Vision and Pattern Recognition · Computer Science 2026-01-06 Dang H. Pham , Tu N. Nguyen , Hoa N. Nguyen

Person re-identification (ReID) aims at re-identifying persons from different viewpoints across multiple cameras, of which it is of great importance to learn multifaceted features expressed in different parts of a person, e.g., clothes,…

Computer Vision and Pattern Recognition · Computer Science 2019-11-25 Cheng Yan , Guansong Pang , Xiao Bai , Chunhua Shen