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Video-based person re-identification (ReID) in cross-view domains (for example, aerial-ground surveillance) remains an open problem because of extreme viewpoint shifts, scale disparities, and temporal inconsistencies. To address these…

Computer Vision and Pattern Recognition · Computer Science 2025-11-05 Md Rashidunnabi , Kailash A. Hambarde , Vasco Lopes , Joao C. Neves , Hugo Proenca

The Visual Language Model, known for its robust cross-modal capabilities, has been extensively applied in various computer vision tasks. In this paper, we explore the use of CLIP (Contrastive Language-Image Pretraining), a vision-language…

Computer Vision and Pattern Recognition · Computer Science 2025-02-12 Huazhong Zhao , Lei Qi , Xin Geng

Group Re-Identification (Group ReID) aims matching groups of pedestrians across non-overlapping cameras. Unlike single-person ReID, Group ReID focuses more on the changes in group structure, emphasizing the number of members and their…

Computer Vision and Pattern Recognition · Computer Science 2025-02-11 Qingxin Zhang , Haoyan Wei , Yang Qian

In recent years, a growing body of research has focused on the problem of person re-identification (re-id). The re-id techniques attempt to match the images of pedestrians from disjoint non-overlapping camera views. A major challenge of…

Computer Vision and Pattern Recognition · Computer Science 2018-04-02 Zhanxiang Feng , Jianhuang Lai , Xiaohua Xie

Person Re-Identification (Re-ID) has gained popularity in computer vision, enabling cross-camera pedestrian recognition. Although the development of deep learning has provided a robust technical foundation for person Re-ID research, most…

Computer Vision and Pattern Recognition · Computer Science 2024-09-17 Xiaobin Hong , Tarmizi Adam , Masitah Ghazali

Tracklet quality is often treated as an afterthought in most person re-identification (ReID) methods, with the majority of research presenting architectural modifications to foundational models. Such approaches neglect an important…

Computer Vision and Pattern Recognition · Computer Science 2026-01-14 Tamas Endrei , Gyorgy Cserey

Cloth-changing person reidentification (ReID) is a newly emerging research topic that is aimed at addressing the issues of large feature variations due to cloth-changing and pedestrian view/pose changes. Although significant progress has…

Computer Vision and Pattern Recognition · Computer Science 2023-11-20 Zan Gao , Shenxun Wei , Weili Guan , Lei Zhu , Meng Wang , Shenyong Chen

Typical person re-identification frameworks search for k best matches in a gallery of images that are often collected in varying conditions. The gallery may contain image sequences when re-identification is done on videos. However, such a…

Computer Vision and Pattern Recognition · Computer Science 2019-02-14 Sk. Arif Ahmed , Debi Prosad Dogra , Heeseung Choi , Seungho Chae , Ig-Jae Kim

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

The collection and release of street-level recordings as Open Data play a vital role in advancing autonomous driving systems and AI research. However, these datasets pose significant privacy risks, particularly for pedestrians, due to the…

Computer Vision and Pattern Recognition · Computer Science 2025-07-16 Robert Aufschläger , Youssef Shoeb , Azarm Nowzad , Michael Heigl , Fabian Bally , Martin Schramm

Contrastive Language-Image Pre-Training (CLIP) has shown impressive performance in short-term Person Re-Identification (ReID) due to its ability to extract high-level semantic features of pedestrians, yet its direct application to…

Computer Vision and Pattern Recognition · Computer Science 2024-06-14 Shuang Li , Jiaxu Leng , Guozhang Li , Ji Gan , Haosheng chen , Xinbo Gao

In this paper, we propose a novel feature learning framework for video person re-identification (re-ID). The proposed framework largely aims to exploit the adequate temporal information of video sequences and tackle the poor spatial…

Computer Vision and Pattern Recognition · Computer Science 2018-12-26 Ju Dai , Pingping Zhang , Huchuan Lu , Hongyu Wang

We present a novel unsupervised domain adaption method for person re-identification (reID) that generalizes a model trained on a labeled source domain to an unlabeled target domain. We introduce a camera-driven curriculum learning (CaCL)…

Computer Vision and Pattern Recognition · Computer Science 2023-08-24 Geon Lee , Sanghoon Lee , Dohyung Kim , Younghoon Shin , Yongsang Yoon , Bumsub Ham

Given a video or an image of a person acquired from a camera, person re-identification is the process of retrieving all instances of the same person from videos or images taken from a different camera with non-overlapping view. This task…

Computer Vision and Pattern Recognition · Computer Science 2020-02-25 Rodolfo Quispe , Helio Pedrini

Text-to-image person re-identification (TIReID) aims to retrieve the target person from an image gallery via a textual description query. Recently, pre-trained vision-language models like CLIP have attracted significant attention and have…

Computer Vision and Pattern Recognition · Computer Science 2024-01-05 Weihao Li , Lei Tan , Pingyang Dai , Yan Zhang

Thanks for the cross-modal retrieval techniques, visible-infrared (RGB-IR) person re-identification (Re-ID) is achieved by projecting them into a common space, allowing person Re-ID in 24-hour surveillance systems. However, with respect to…

Computer Vision and Pattern Recognition · Computer Science 2022-08-05 Xinyu Lin , Jinxing Li , Zeyu Ma , Huafeng Li , Shuang Li , Kaixiong Xu , Guangming Lu , David Zhang

Any-Time Person Re-identification (AT-ReID) necessitates the robust retrieval of target individuals under arbitrary conditions, encompassing both modality shifts (daytime and nighttime) and extensive clothing-change scenarios, ranging from…

Computer Vision and Pattern Recognition · Computer Science 2026-04-17 Jiaxuan Li , Xin Wen , Zhihang Li

Video-based person Re-Identification (V-ReID) aims to retrieve specific persons from raw videos captured by non-overlapped cameras. As a fundamental task, it spreads many multimedia and computer vision applications. However, due to the…

Computer Vision and Pattern Recognition · Computer Science 2023-08-08 Xuehu Liu , Pingping Zhang , Huchuan Lu

Most existing person re-identification (re-id) models focus on matching still person images across disjoint camera views. Since only limited information can be exploited from still images, it is hard (if not impossible) to overcome the…

Computer Vision and Pattern Recognition · Computer Science 2016-07-08 Jinjie You , Ancong Wu , Xiang Li , Wei-Shi Zheng

The goal of video-based person re-identification is to match two input videos, so that the distance of the two videos is small if two videos contain the same person. A common approach for person re-identification is to first extract image…

Computer Vision and Pattern Recognition · Computer Science 2019-04-11 Tanzila Rahman , Mrigank Rochan , Yang Wang