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How humans can effectively and efficiently acquire images has always been a perennial question. A classic solution is text-to-image retrieval from an existing database; however, the limited database typically lacks creativity. By contrast,…

Computer Vision and Pattern Recognition · Computer Science 2025-03-26 Leigang Qu , Haochuan Li , Tan Wang , Wenjie Wang , Yongqi Li , Liqiang Nie , Tat-Seng Chua

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

Video-based person re-identification (Re-ID) aims to automatically retrieve video sequences of the same person under non-overlapping cameras. To achieve this goal, it is the key to fully utilize abundant spatial and temporal cues in videos.…

Computer Vision and Pattern Recognition · Computer Science 2021-04-02 Xuehu Liu , Pingping Zhang , Chenyang Yu , Huchuan Lu , Xiaoyun Yang

Extracting robust feature representation is one of the key challenges in object re-identification (ReID). Although convolution neural network (CNN)-based methods have achieved great success, they only process one local neighborhood at a…

Computer Vision and Pattern Recognition · Computer Science 2021-03-29 Shuting He , Hao Luo , Pichao Wang , Fan Wang , Hao Li , Wei Jiang

Person Re-identification (ReID) aims to retrieve images of the same individual captured across non-overlapping camera views, making it a critical component of intelligent surveillance systems. Traditional ReID methods assume that the…

Computer Vision and Pattern Recognition · Computer Science 2025-06-17 Hyeonseo Lee , Juhyun Park , Jihyong Oh , Chanho Eom

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

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 emerged as a powerful paradigm for modeling multimodal urban data and learning region representations for various downstream tasks. However, existing approaches face two major limitations. (1) They typically employ…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Yaya Zhao , Kaiqi Zhao , Zixuan Tang , Zhiyuan Liu , Xiaoling Lu , Yalei Du

Guided image restoration (GIR), such as guided depth map super-resolution and pan-sharpening, aims to enhance a target image using guidance information from another image of the same scene. Currently, joint image filtering-inspired deep…

Computer Vision and Pattern Recognition · Computer Science 2023-12-15 Xinyi Liu , Qian Zhao , Jie Liang , Hui Zeng , Deyu Meng , Lei Zhang

The video-based person re-identification (ReID) aims to identify the given pedestrian video sequence across multiple non-overlapping cameras. To aggregate the temporal and spatial features of the video samples, the graph neural networks…

Computer Vision and Pattern Recognition · Computer Science 2022-09-26 Honghu Pan , Yongyong Chen , Zhenyu He

In this paper, we design and train a Generative Image-to-text Transformer, GIT, to unify vision-language tasks such as image/video captioning and question answering. While generative models provide a consistent network architecture between…

Computer Vision and Pattern Recognition · Computer Science 2022-12-19 Jianfeng Wang , Zhengyuan Yang , Xiaowei Hu , Linjie Li , Kevin Lin , Zhe Gan , Zicheng Liu , Ce Liu , Lijuan Wang

For person re-identification (re-id), attention mechanisms have become attractive as they aim at strengthening discriminative features and suppressing irrelevant ones, which matches well the key of re-id, i.e., discriminative feature…

Computer Vision and Pattern Recognition · Computer Science 2020-03-30 Zhizheng Zhang , Cuiling Lan , Wenjun Zeng , Xin Jin , Zhibo Chen

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

In self-supervised learning, multi-granular features are heavily desired though rarely investigated, as different downstream tasks (e.g., general and fine-grained classification) often require different or multi-granular features,…

Computer Vision and Pattern Recognition · Computer Science 2022-03-29 Pan Zhou , Yichen Zhou , Chenyang Si , Weihao Yu , Teck Khim Ng , Shuicheng Yan

Person re-identification (Re-ID) aims to match images of the same individual across non-overlapping camera views and remains challenging due to domain shifts caused by variations in illumination, background, camera characteristics, and…

Computer Vision and Pattern Recognition · Computer Science 2026-05-04 Sundas Iqbal , Qing Tian , Danish Ali , Jianping Gou , Weihua Oue

Text-to-Image Person Retrieval (TIPR) is a cross-modal matching task designed to identify the person images that best correspond to a given textual description. The key difficulty in TIPR is to realize robust correspondence between the…

Computer Vision and Pattern Recognition · Computer Science 2025-12-30 Hao Yin , Xin Man , Feiyu Chen , Jie Shao , Heng Tao Shen

Most of current person re-identification (ReID) methods neglect a spatial-temporal constraint. Given a query image, conventional methods compute the feature distances between the query image and all the gallery images and return a…

Computer Vision and Pattern Recognition · Computer Science 2018-12-11 Guangcong Wang , Jianhuang Lai , Peigen Huang , Xiaohua Xie

RGB-infrared person re-identification is an emerging cross-modality re-identification task, which is very challenging due to significant modality discrepancy between RGB and infrared images. In this work, we propose a novel…

Computer Vision and Pattern Recognition · Computer Science 2022-03-17 Zhipeng Huang , Jiawei Liu , Liang Li , Kecheng Zheng , Zheng-Jun Zha

Person re-identification (ReID) aims at searching the same identity person among images captured by various cameras. Unsupervised person ReID attracts a lot of attention recently, due to it works without intensive manual annotation and thus…

Computer Vision and Pattern Recognition · Computer Science 2021-03-05 Bo Pang , Deming Zhai , Junjun Jiang , Xianming Liu

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