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Person re-identification (ReID) under occlusions is a challenging problem in video surveillance. Most of existing person ReID methods take advantage of local features to deal with occlusions. However, these methods usually independently…

Computer Vision and Pattern Recognition · Computer Science 2020-02-10 Wanxiang Yang , Yan Yan , Si Chen

In real-world video surveillance applications, person re-identification (ReID) suffers from the effects of occlusions and detection errors. Despite recent advances, occlusions continue to corrupt the features extracted by state-of-art CNN…

Computer Vision and Pattern Recognition · Computer Science 2023-07-25 Madhu Kiran , R Gnana Praveen , Le Thanh Nguyen-Meidine , Soufiane Belharbi , Louis-Antoine Blais-Morin , Eric Granger

Person images captured by surveillance cameras are often occluded by various obstacles, which lead to defective feature representation and harm person re-identification (Re-ID) performance. To tackle this challenge, we propose to…

Computer Vision and Pattern Recognition · Computer Science 2021-05-18 Shijie Yu , Dapeng Chen , Rui Zhao , Haobin Chen , Yu Qiao

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

Occluded person re-identification (ReID) aims to match person images with occlusion. It is fundamentally challenging because of the serious occlusion which aggravates the misalignment problem between images. At the cost of incorporating a…

Computer Vision and Pattern Recognition · Computer Science 2021-08-24 Kecheng Zheng , Cuiling Lan , Wenjun Zeng , Jiawei Liu , Zhizheng Zhang , Zheng-Jun Zha

Ideally person re-identification seeks for perfect feature representation and metric model that re-identify all various pedestrians well in non-overlapping views at different locations with different camera configurations, which is very…

Computer Vision and Pattern Recognition · Computer Science 2018-05-28 Chen Chen , Min Cao , Xiyuan Hu , Silong Peng

Video-based person re-identification (reID) aims to retrieve person videos with the same identity as a query person across multiple cameras. Spatial and temporal distractors in person videos, such as background clutter and partial…

Computer Vision and Pattern Recognition · Computer Science 2021-08-23 Chanho Eom , Geon Lee , Junghyup Lee , Bumsub Ham

As a basic task of multi-camera surveillance system, person re-identification aims to re-identify a query pedestrian observed from non-overlapping multiple cameras or across different time with a single camera. Recently, deep learning-based…

Computer Vision and Pattern Recognition · Computer Science 2019-03-13 Di Wu , Kun Zhang , Fei Cheng , Yang Zhao , Qi Liu , Chang-An Yuan , De-Shuang Huang

Occluded person re-identification (ReID) aims at matching occluded person images to holistic ones across different camera views. Target Pedestrians (TP) are usually disturbed by Non-Pedestrian Occlusions (NPO) and NonTarget Pedestrians…

Computer Vision and Pattern Recognition · Computer Science 2022-04-01 Zhikang Wang , Feng Zhu , Shixiang Tang , Rui Zhao , Lihuo He , Jiangning Song

Photos of faces captured in unconstrained environments, such as large crowds, still constitute challenges for current face recognition approaches as often faces are occluded by objects or people in the foreground. However, few studies have…

Computer Vision and Pattern Recognition · Computer Science 2021-06-15 Stefan Hörmann , Zeyuan Zhang , Martin Knoche , Torben Teepe , Gerhard Rigoll

Person Re-Identification (ReID) is a challenging problem in many video analytics and surveillance applications, where a person's identity must be associated across a distributed non-overlapping network of cameras. Video-based person ReID…

Computer Vision and Pattern Recognition · Computer Science 2020-10-06 Madhu Kiran , Amran Bhuiyan , Louis-Antoine Blais-Morin , Mehrsan Javan , Ismail Ben Ayed , Eric Granger

Person re-identification (Re-ID) aims at retrieving a person of interest across multiple non-overlapping cameras. With the advancement of deep neural networks and increasing demand of intelligent video surveillance, it has gained…

Computer Vision and Pattern Recognition · Computer Science 2021-01-07 Mang Ye , Jianbing Shen , Gaojie Lin , Tao Xiang , Ling Shao , Steven C. H. Hoi

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,…

Computer Vision and Pattern Recognition · Computer Science 2018-05-17 Jing Xu , Rui Zhao , Feng Zhu , Huaming Wang , Wanli Ouyang

Person re-identification is the challenging task of identifying a person across different camera views. Training a convolutional neural network (CNN) for this task requires annotating a large dataset, and hence, it involves the…

Computer Vision and Pattern Recognition · Computer Science 2021-07-27 Olga Moskvyak , Frederic Maire , Feras Dayoub , Mahsa Baktashmotlagh

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 (Re-ID) is one of the primary components of an automated visual surveillance system. It aims to automatically identify/search persons in a multi-camera network having non-overlapping field-of-views. Owing to its…

Computer Vision and Pattern Recognition · Computer Science 2022-03-01 Asmat Zahra , Nazia Perwaiz , Muhammad Shahzad , Muhammad Moazam Fraz

Most existing methods tackle the problem of occluded person re-identification (ReID) by utilizing auxiliary models, resulting in a complicated and inefficient ReID framework that is unacceptable for real-time applications. In this work, a…

Computer Vision and Pattern Recognition · Computer Science 2024-01-17 Yihu Song , Shuaishi Liu

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

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

The performance of person re-identification (Re-ID) has been seriously effected by the large cross-view appearance variations caused by mutual occlusions and background clutters. Hence learning a feature representation that can adaptively…

Computer Vision and Pattern Recognition · Computer Science 2021-12-01 Sanping Zhou , Jinjun Wang , Deyu Meng , Yudong Liang , Yihong Gong , Nanning Zheng