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Person re-identification aims to identify a specific person at distinct times and locations. It is challenging because of occlusion, illumination, and viewpoint change in camera views. Recently, multi-shot person re-id task receives more…

Computer Vision and Pattern Recognition · Computer Science 2018-11-09 Ting-Yao Hu , Xiaojun Chang , Alexander G. Hauptmann

Understanding high-resolution (HR) images remains a critical challenge for multimodal large language models (MLLMs). Recent approaches leverage vision-based retrieval-augmented generation (RAG) to retrieve query-relevant crops from HR…

Computer Vision and Pattern Recognition · Computer Science 2026-03-20 Fan Yang , Xingping Dong , Xin Yu , Wenhan Luo , Wei Liu , Kaihao Zhang

Improving the image resolution and acquisition speed of magnetic resonance imaging (MRI) is a challenging problem. There are mainly two strategies dealing with the speed-resolution trade-off: (1) $k$-space undersampling with high-resolution…

Computer Vision and Pattern Recognition · Computer Science 2021-04-14 Wenqi Huang , Sen Jia , Ziwen Ke , Zhuo-Xu Cui , Jing Cheng , Yanjie Zhu , Dong Liang

The challenge of person re-identification (re-id) is to match individual images of the same person captured by different non-overlapping camera views against significant and unknown cross-view feature distortion. While a large number of…

Computer Vision and Pattern Recognition · Computer Science 2017-03-28 Ying-Cong Chen , Xiatian Zhu , Wei-Shi Zheng , Jian-Huang Lai

Video surveillance image analysis and processing is a challenging field in computer vision, with one of its most difficult tasks being Person Re-Identification (PRe-ID). PRe-ID aims to identify and track target individuals who have already…

Computer Vision and Pattern Recognition · Computer Science 2025-05-23 Ammar Chouchane , Mohcene Bessaoudi , Hamza Kheddar , Abdelmalik Ouamane , Tiago Vieira , Mahmoud Hassaballah

RGB-Infrared person re-identification (RGB-IR Re-ID) aims to match persons from heterogeneous images captured by visible and thermal cameras, which is of great significance in the surveillance system under poor light conditions. Facing…

Computer Vision and Pattern Recognition · Computer Science 2020-12-15 Can Zhang , Hong Liu , Wei Guo , Mang Ye

Person re-identification across different surveillance cameras with disjoint fields of view has become one of the most interesting and challenging subjects in the area of intelligent video surveillance. Although several methods have been…

Computer Vision and Pattern Recognition · Computer Science 2015-11-10 Mohammad Ali Saghafi , Aini Hussain , Halimah Badioze Zaman , Mohamad Hanif Md Saad

Person re-identification aims at establishing the identity of a pedestrian from a gallery that contains images of multiple people obtained from a multi-camera system. Many challenges such as occlusions, drastic lighting and pose variations…

Computer Vision and Pattern Recognition · Computer Science 2019-04-11 Guodong Ding , Salman Khan , Zhenmin Tang , Fatih Porikli

This paper addresses the problem of matching pedestrians across multiple camera views, known as person re-identification. Variations in lighting conditions, environment and pose changes across camera views make re-identification a…

Computer Vision and Pattern Recognition · Computer Science 2015-12-01 Rahul Rama Varior , Gang Wang

Video-based person re-identification (ReID) is a challenging problem, where some video tracks of people across non-overlapping cameras are available for matching. Feature aggregation from a video track is a key step for video-based person…

Computer Vision and Pattern Recognition · Computer Science 2019-04-30 Xingyu Liao , Lingxiao He , Zhouwang Yang , Chi Zhang

Image super-resolution (SR) methods essentially lead to a loss of some high-frequency (HF) information when predicting high-resolution (HR) images from low-resolution (LR) images without using external references. To address this issue, we…

Computer Vision and Pattern Recognition · Computer Science 2018-06-19 Sifeng Xia , Wenhan Yang , Jiaying Liu , Zongming Guo

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 (ReID) requires comparing two images of person captured under different conditions. Existing work based on neural networks often computes the similarity of feature maps from one single convolutional layer. In this…

Computer Vision and Pattern Recognition · Computer Science 2018-04-03 Yiluan Guo , Ngai-Man Cheung

In video surveillance, person re-identification is the task of searching person images in non-overlapping cameras. Though supervised methods for person re-identification have attained impressive performance, obtaining large scale cross-view…

Computer Vision and Pattern Recognition · Computer Science 2019-10-10 T M Feroz Ali , Subhasis Chaudhuri

The task of person re-identification has recently received rising attention due to the high performance achieved by new methods based on deep learning. In particular, in the context of video-based re-identification, many state-of-the-art…

Computer Vision and Pattern Recognition · Computer Science 2018-04-11 Jean-Baptiste Boin , Andre Araujo , Bernd Girod

Image Super-Resolution (SR) provides a promising technique to enhance the image quality of low-resolution optical sensors, facilitating better-performing target detection and autonomous navigation in a wide range of robotics applications.…

Computer Vision and Pattern Recognition · Computer Science 2020-12-08 Fan Wang , Jiangxin Yang , Yanlong Cao , Yanpeng Cao , Michael Ying Yang

Person re-identification (Re-ID) is one of the primary components of an automated visual surveillance system. It aims to automatically identify/search persons in a multi-camera network having non-overlapping field-of-views. Owing to its…

Computer Vision and Pattern Recognition · Computer Science 2022-03-01 Asmat Zahra , Nazia Perwaiz , Muhammad Shahzad , Muhammad Moazam Fraz

Person re-identification (Re-ID) aims at retrieving an input person image from a set of images captured by multiple cameras. Although recent Re-ID methods have made great success, most of them extract features in terms of the attributes of…

Computer Vision and Pattern Recognition · Computer Science 2020-08-20 Boqiang Xu , Lingxiao He , Xingyu Liao , Wu Liu , Zhenan Sun , Tao Mei

Image-to-video person re-identification identifies a target person by a probe image from quantities of pedestrian videos captured by non-overlapping cameras. Despite the great progress achieved,it's still challenging to match in the…

Computer Vision and Pattern Recognition · Computer Science 2018-10-23 Zhongwei Xie , Lin Li , Xian Zhong , Luo Zhong

We address the person re-identification problem by effectively exploiting a globally discriminative feature representation from a sequence of tracked human regions/patches. This is in contrast to previous person re-id works, which rely on…

Computer Vision and Pattern Recognition · Computer Science 2017-01-24 Yichao Yan , Bingbing Ni , Zhichao Song , Chao Ma , Yan Yan , Xiaokang Yang