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The pre-training task is indispensable for the text-to-image person re-identification (T2I-ReID) task. However, there are two underlying inconsistencies between these two tasks that may impact the performance; i) Data inconsistency. A large…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Zhiyin Shao , Xinyu Zhang , Changxing Ding , Jian Wang , Jingdong Wang

The objective of person re-identification (re-ID) is to retrieve a person's images from an image gallery, given a single instance of the person of interest. Despite several advancements, learning discriminative identity-sensitive and…

Computer Vision and Pattern Recognition · Computer Science 2021-06-02 Arnab Karmakar , Deepak Mishra

Recent self-supervised contrastive learning provides an effective approach for unsupervised person re-identification (ReID) by learning invariance from different views (transformed versions) of an input. In this paper, we incorporate a…

Computer Vision and Pattern Recognition · Computer Science 2021-03-31 Hao Chen , Yaohui Wang , Benoit Lagadec , Antitza Dantcheva , Francois Bremond

Visible-Infrared Person Re-identification (VIReID) aims to match visible and infrared pedestrian images, but the modality differences and the complexity of identity features make it challenging. Existing methods rely solely on identity…

Computer Vision and Pattern Recognition · Computer Science 2025-04-28 Shuanglin Yan , Neng Dong , Shuang Li , Rui Yan , Hao Tang , Jing Qin

Although Contrastive Language-Image Pre-training (CLIP) exhibits strong performance across diverse vision tasks, its application to person representation learning faces two critical challenges: (i) the scarcity of large-scale annotated…

Computer Vision and Pattern Recognition · Computer Science 2025-09-12 Tianlu Zheng , Yifan Zhang , Xiang An , Ziyong Feng , Kaicheng Yang , Qichuan Ding

Human identification is a key requirement for many applications in everyday life, such as personalized services, automatic surveillance, continuous authentication, and contact tracing during pandemics, etc. This work studies the problem of…

Computer Vision and Pattern Recognition · Computer Science 2022-07-19 Dongjiang Cao , Ruofeng Liu , Hao Li , Shuai Wang , Wenchao Jiang , Chris Xiaoxuan Lu

Document images are a ubiquitous source of data where the text is organized in a complex hierarchical structure ranging from fine granularity (e.g., words), medium granularity (e.g., regions such as paragraphs or figures), to coarse…

Computer Vision and Pattern Recognition · Computer Science 2022-11-29 Zilong Wang , Jiuxiang Gu , Chris Tensmeyer , Nikolaos Barmpalios , Ani Nenkova , Tong Sun , Jingbo Shang , Vlad I. Morariu

Large language models (LLMs) exhibit pronounced social biases. Output-level or data-optimization--based debiasing methods cannot fully resolve these biases, and many prior works have shown that biases are embedded in internal…

Computation and Language · Computer Science 2026-03-20 Zikang Ding , Junchi Yao , Junhao Li , Yi Zhang , Wenbo Jiang , Hongbo Liu , Lijie Hu

To learn distinguishable patterns, most of recent works in vehicle re-identification (ReID) struggled to redevelop official benchmarks to provide various supervisions, which requires prohibitive human labors. In this paper, we seek to…

Computer Vision and Pattern Recognition · Computer Science 2023-01-09 Ming Li , Xinming Huang , Ziming Zhang

Cross-domain recommendation can help alleviate the data sparsity issue in traditional sequential recommender systems. In this paper, we propose the RecGURU algorithm framework to generate a Generalized User Representation (GUR)…

Information Retrieval · Computer Science 2021-11-22 Chenglin Li , Mingjun Zhao , Huanming Zhang , Chenyun Yu , Lei Cheng , Guoqiang Shu , Beibei Kong , Di Niu

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

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

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

Human imitation has become topical recently, driven by GAN's ability to disentangle human pose and body content. However, the latest methods hardly focus on 3D information, and to avoid self-occlusion, a massive amount of input images are…

Computer Vision and Pattern Recognition · Computer Science 2021-08-17 Haoxi Ran , Guangfu Wang , Li Lu

In this letter, we propose a conceptually simple and effective dual-granularity triplet loss for visible-thermal person re-identification (VT-ReID). In general, ReID models are always trained with the sample-based triplet loss and…

Computer Vision and Pattern Recognition · Computer Science 2021-05-05 Haijun Liu , Yanxia Chai , Xiaoheng Tan , Dong Li , Xichuan Zhou

In real-word scenarios, person re-identification (ReID) expects to identify a person-of-interest via the descriptive query, regardless of whether the query is a single modality or a combination of multiple modalities. However, existing…

Computer Vision and Pattern Recognition · Computer Science 2025-10-22 Jialong Zuo , Yongtai Deng , Mengdan Tan , Rui Jin , Dongyue Wu , Nong Sang , Liang Pan , Changxin Gao

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

Textual descriptions for multimodal inputs entail recurrent refinement of queries to produce relevant output images. Despite efforts to address challenges such as scaling model size and data volume, the cost associated with pre-training and…

Machine Learning · Computer Science 2025-08-14 Amit Kumar Jaiswal , Haiming Liu , Ingo Frommholz

Graph Neural Networks (GNNs) are widely adopted in Web-related applications, serving as a core technique for learning from graph-structured data, such as text-attributed graphs. Yet in real-world scenarios, such graphs exhibit deficiencies…

Machine Learning · Computer Science 2025-10-03 Zhaoyan Wang , Zheng Gao , Arogya Kharel , In-Young Ko

An efficient and effective person re-identification (ReID) system relieves the users from painful and boring video watching and accelerates the process of video analysis. Recently, with the explosive demands of practical applications, a lot…

Computer Vision and Pattern Recognition · Computer Science 2020-04-28 Zheng Wang , Zhixiang Wang , Yinqiang Zheng , Yang Wu , Wenjun Zeng , Shin'ichi Satoh