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Unsupervised visible-infrared person re-identification (UVI-ReID) aims to retrieve pedestrian images across different modalities without costly annotations, but faces challenges due to the modality gap and lack of supervision. Existing…

Computer Vision and Pattern Recognition · Computer Science 2025-05-07 Yongxiang Li , Yuan Sun , Yang Qin , Dezhong Peng , Xi Peng , Peng Hu

Unsupervised learning visible-infrared person re-identification (USL-VI-ReID) aims at learning modality-invariant features from unlabeled cross-modality dataset, which is crucial for practical applications in video surveillance systems. The…

Computer Vision and Pattern Recognition · Computer Science 2024-11-05 De Cheng , Xiaojian Huang , Nannan Wang , Lingfeng He , Zhihui Li , Xinbo Gao

Unsupervised visible-infrared person re-identification (USVI-ReID) aims to learn modality-invariant image features from unlabeled cross-modal person datasets by reducing the modality gap while minimizing reliance on costly manual…

Computer Vision and Pattern Recognition · Computer Science 2025-09-16 Haonan Shi , Yubin Wang , De Cheng , Lingfeng He , Nannan Wang , Xinbo Gao

Unsupervised visible-infrared person re-identification (USL-VI-ReID) aims to match pedestrian images of the same identity from different modalities without annotations. Existing works mainly focus on alleviating the modality gap by aligning…

Computer Vision and Pattern Recognition · Computer Science 2024-11-05 De Cheng , Lingfeng He , Nannan Wang , Shizhou Zhang , Zhen Wang , Xinbo Gao

Unsupervised visible-infrared person re-identification (USVI-ReID) aims to match individuals across visible and infrared cameras without relying on any annotation. Given the significant gap across visible and infrared modality, estimating…

Computer Vision and Pattern Recognition · Computer Science 2025-12-09 Menglin Wang , Xiaojin Gong , Jiachen Li , Genlin Ji

Unsupervised visible-infrared person re-identification (USL-VI-ReID) is a promising yet challenging retrieval task. The key challenges in USL-VI-ReID are to effectively generate pseudo-labels and establish pseudo-label correspondences…

Computer Vision and Pattern Recognition · Computer Science 2024-07-30 Jiangming Shi , Xiangbo Yin , Yeyun Chen , Yachao Zhang , Zhizhong Zhang , Yuan Xie , Yanyun Qu

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 (VI-ReID) aims to match individuals across different camera modalities, a critical task in modern surveillance systems. While current VI-ReID methods focus on cross-modality matching, real-world…

Computer Vision and Pattern Recognition · Computer Science 2025-01-24 Mahdi Alehdaghi , Rajarshi Bhattacharya , Pourya Shamsolmoali , Rafael M. O. Cruz , Eric Granger

Unsupervised visible infrared person re-identification (USVI-ReID) is a challenging retrieval task that aims to retrieve cross-modality pedestrian images without using any label information. In this task, the large cross-modality variance…

Computer Vision and Pattern Recognition · Computer Science 2024-07-18 Zhizhong Zhang , Jiangming Wang , Xin Tan , Yanyun Qu , Junping Wang , Yong Xie , Yuan Xie

Unsupervised visible-infrared person re-identification (USL-VI-ReID) endeavors to retrieve pedestrian images of the same identity from different modalities without annotations. While prior work focuses on establishing cross-modality…

Computer Vision and Pattern Recognition · Computer Science 2024-12-09 Lingfeng He , De Cheng , Nannan Wang , Xinbo Gao

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

Unsupervised Visible-Infrared Person Re-identification (USVI-ReID) presents a formidable challenge, which aims to match pedestrian images across visible and infrared modalities without any annotations. Recently, clustered pseudo-label…

Computer Vision and Pattern Recognition · Computer Science 2024-05-10 Xiangbo Yin , Jiangming Shi , Yachao Zhang , Yang Lu , Zhizhong Zhang , Yuan Xie , Yanyun Qu

To reduce the reliance of visible-infrared person re-identification (ReID) models on labeled cross-modal samples, this paper explores a weakly supervised cross-modal person ReID method that uses only single-modal sample identity labels,…

Computer Vision and Pattern Recognition · Computer Science 2025-07-18 Yafei Zhang , Lingqi Kong , Huafeng Li , Jie Wen

Unsupervised visible-infrared person re-identification (USVI-ReID) aims to match specified people in infrared images to visible images without annotations, and vice versa. USVI-ReID is a challenging yet under-explored task. Most existing…

Computer Vision and Pattern Recognition · Computer Science 2024-10-25 Jiangming Shi , Xiangbo Yin , Yachao Zhang , Zhizhong Zhang , Yuan Xie , Yanyun Qu

Unsupervised visible-infrared person re-identification (USL-VI-ReID) is of great research and practical significance yet remains challenging due to the absence of annotations. Existing approaches aim to learn modality-invariant…

Computer Vision and Pattern Recognition · Computer Science 2024-12-18 Xiao Teng , Long Lan , Dingyao Chen , Kele Xu , Nan Yin

Unsupervised person re-identification (Re-ID) aims to retrieve person images across cameras without any identity labels. Most clustering-based methods roughly divide image features into clusters and neglect the feature distribution noise…

Computer Vision and Pattern Recognition · Computer Science 2023-04-26 Pengna Li , Kangyi Wu , Sanping Zhou. Qianxin Huang , Jinjun Wang

Visible-Infrared person Re-IDentification (VI-ReID) is a challenging cross-modality image retrieval task that aims to match pedestrians' images across visible and infrared cameras. To solve the modality gap, existing mainstream methods…

Computer Vision and Pattern Recognition · Computer Science 2024-03-22 Tengfei Liang , Yi Jin , Wu Liu , Tao Wang , Songhe Feng , Yidong Li

VVI-ReID is a critical technique for all-day surveillance, where temporal information provides additional cues beyond static images. However, existing approaches rely heavily on fully supervised learning with expensive cross-modality…

Computer Vision and Pattern Recognition · Computer Science 2026-04-20 Shuang Li , Jiaxu Leng , Changjiang Kuang , Mingpi Tan , Yu Yuan , Xinbo Gao

Although unsupervised person re-identification (RE-ID) has drawn increasing research attentions due to its potential to address the scalability problem of supervised RE-ID models, it is very challenging to learn discriminative information…

Computer Vision and Pattern Recognition · Computer Science 2019-04-09 Hong-Xing Yu , Wei-Shi Zheng , Ancong Wu , Xiaowei Guo , Shaogang Gong , Jian-Huang Lai

Visible-Infrared person re-identification (VI-ReID) in real-world scenarios poses a significant challenge due to the high cost of cross-modality data annotation. Different sensing cameras, such as RGB/IR cameras for good/poor lighting…

Computer Vision and Pattern Recognition · Computer Science 2023-10-09 Han Huang , Yan Huang , Liang Wang
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