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Person reidentification (re-ID) has been receiving increasing attention in recent years due to its importance for both science and society. Machine learning and particularly Deep Learning (DL) has become the main re-id tool that allowed…

Computer Vision and Pattern Recognition · Computer Science 2022-07-29 Nikita Gabdullin

Most existing person re-identification (ReID) methods rely only on the spatial appearance information from either one or multiple person images, whilst ignore the space-time cues readily available in video or image-sequence data. Moreover,…

Computer Vision and Pattern Recognition · Computer Science 2016-11-29 Xiaolong Ma , Xiatian Zhu , Shaogang Gong , Xudong Xie , Jianming Hu , Kin-Man Lam , Yisheng Zhong

Reinforcement learning (RL) has become a powerful tool for post-training visual generative models, with Group Relative Policy Optimization (GRPO) increasingly used to align generators with human preferences. However, existing GRPO pipelines…

Computer Vision and Pattern Recognition · Computer Science 2026-05-18 Ziqi Ni , Yuanzhi Liang , Rui Li , Yi Zhou , Haibin Huang , Chi Zhang , Xuelong Li

In today's Human-Robot Interaction (HRI) scenarios, a prevailing tendency exists to assume that the robot shall cooperate with the closest individual or that the scene involves merely a singular human actor. However, in realistic scenarios,…

Computer Vision and Pattern Recognition · Computer Science 2024-02-01 Federico Rollo , Andrea Zunino , Nikolaos Tsagarakis , Enrico Mingo Hoffman , Arash Ajoudani

Description-based person re-identification (Re-id) is an important task in video surveillance that requires discriminative cross-modal representations to distinguish different people. It is difficult to directly measure the similarity…

Computer Vision and Pattern Recognition · Computer Science 2019-06-25 Kai Niu , Yan Huang , Wanli Ouyang , Liang Wang

Cloth changing person re-identification(Re-ID) can work under more complicated scenarios with higher security than normal Re-ID and biometric techniques and is therefore extremely valuable in applications. Meanwhile, higher flexibility in…

Computer Vision and Pattern Recognition · Computer Science 2022-10-10 Renjie Zhang , Yu Fang , Huaxin Song , Fangbin Wan , Yanwei Fu , Hirokazu Kato , Yang Wu

Contrastive learning models have demonstrated impressive abilities to capture semantic similarities by aligning representations in the embedding space. However, their performance can be limited by the quality of the training data and its…

Computer Vision and Pattern Recognition · Computer Science 2025-03-27 Amirabbas Afzali , Borna Khodabandeh , Ali Rasekh , Mahyar JafariNodeh , Sepehr kazemi , Simon Gottschalk

Person re-identification (Re-ID) aims to match person images across non-overlapping camera views. The majority of Re-ID methods focus on small-scale surveillance systems in which each pedestrian is captured in different camera views of…

Computer Vision and Pattern Recognition · Computer Science 2021-07-30 Wenhang Ge , Chunyan Pan , Ancong Wu , Hongwei Zheng , Wei-Shi Zheng

Person re-identification (re-ID) aims to accurately re- trieve a person from a large-scale database of images cap- tured across multiple cameras. Existing works learn deep representations using a large training subset of unique per- sons.…

Computer Vision and Pattern Recognition · Computer Science 2018-03-29 Jubin Johnson , Shunsuke Yasugi , Yoichi Sugino , Sugiri Pranata , Shengmei Shen

Graph-based models have achieved great success in person re-identification tasks recently, which compute the graph topology structure (affinities) among different people first and then pass the information across them to achieve stronger…

Computer Vision and Pattern Recognition · Computer Science 2022-11-15 Xulin Li , Yan Lu , Bin Liu , Yating Liu , Guojun Yin , Qi Chu , Jinyang Huang , Feng Zhu , Rui Zhao , Nenghai Yu

Hyperparameter optimization (HPO) is important to leverage the full potential of machine learning (ML). In practice, users are often interested in multi-objective (MO) problems, i.e., optimizing potentially conflicting objectives, like…

Machine Learning · Computer Science 2024-01-12 Joseph Giovanelli , Alexander Tornede , Tanja Tornede , Marius Lindauer

Text-based person anomaly retrieval has emerged as a challenging task, with most existing approaches relying on complex deep-learning techniques. This raises a research question: How can the model be optimized to achieve greater…

Computer Vision and Pattern Recognition · Computer Science 2025-12-01 Tien-Huy Nguyen , Huu-Loc Tran , Huu-Phong Phan-Nguyen , Quang-Vinh Dinh

Intra-camera supervision (ICS) for person re-identification (Re-ID) assumes that identity labels are independently annotated within each camera view and no inter-camera identity association is labeled. It is a new setting proposed recently…

Computer Vision and Pattern Recognition · Computer Science 2020-12-14 Menglin Wang , Baisheng Lai , Haokun Chen , Jianqiang Huang , Xiaojin Gong , Xian-Sheng Hua

Person re-identification (re-id), an emerging problem in visual surveillance, deals with maintaining entities of individuals whilst they traverse various locations surveilled by a camera network. From a visual perspective re-id is…

Computer Vision and Pattern Recognition · Computer Science 2015-05-11 Ziming Zhang , Venkatesh Saligrama

Person re-identification (PRe-ID) is a crucial task in security, surveillance, and retail analysis, which involves identifying an individual across multiple cameras and views. However, it is a challenging task due to changes in…

Computer Vision and Pattern Recognition · Computer Science 2023-07-06 Ammar Chouchane , Abdelmalik Ouamane , Yassine Himeur , Wathiq Mansoor , Shadi Atalla , Afaf Benzaibak , Chahrazed Boudellal

Person Re-Identification (ReID) aims to retrieve relevant individuals in non-overlapping camera images and has a wide range of applications in the field of public safety. In recent years, with the development of Vision Transformer (ViT) and…

Computer Vision and Pattern Recognition · Computer Science 2024-08-21 Bin Hu , Xinggang Wang , Wenyu Liu

Is recurrent network really necessary for learning a good visual representation for video based person re-identification (VPRe-id)? In this paper, we first show that the common practice of employing recurrent neural networks (RNNs) to…

Computer Vision and Pattern Recognition · Computer Science 2019-12-25 Le Zhang , Zenglin Shi , Joey Tianyi Zhou , Ming-Ming Cheng , Yun Liu , Jia-Wang Bian , Zeng Zeng , Chunhua Shen

Large-scale is a trend in person re-identification (re-id). It is important that real-time search be performed in a large gallery. While previous methods mostly focus on discriminative learning, this paper makes the attempt in integrating…

Computer Vision and Pattern Recognition · Computer Science 2017-05-08 Fuqing Zhu , Xiangwei Kong , Liang Zheng , Haiyan Fu , Qi Tian

Deep learning methods have started to dominate the research progress of video-based person re-identification (re-id). However, existing methods mostly consider supervised learning, which requires exhaustive manual efforts for labelling…

Computer Vision and Pattern Recognition · Computer Science 2018-08-23 Yanbei Chen , Xiatian Zhu , Shaogang Gong

Although great progress in supervised person re-identification (Re-ID) has been made recently, due to the viewpoint variation of a person, Re-ID remains a massive visual challenge. Most existing viewpoint-based person Re-ID methods project…

Computer Vision and Pattern Recognition · Computer Science 2019-12-04 Zhihui Zhu , Xinyang Jiang , Feng Zheng , Xiaowei Guo , Feiyue Huang , Weishi Zheng , Xing Sun