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Related papers: Resolution based Feature Distillation for Cross Re…

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In this paper, we empirically study how to make the most of low-resolution frames for efficient video recognition. Existing methods mainly focus on developing compact networks or alleviating temporal redundancy of video inputs to increase…

Computer Vision and Pattern Recognition · Computer Science 2022-09-27 Chuofan Ma , Qiushan Guo , Yi Jiang , Zehuan Yuan , Ping Luo , Xiaojuan Qi

Despite the great progress of person re-identification (ReID) with the adoption of Convolutional Neural Networks, current ReID models are opaque and only outputs a scalar distance between two persons. There are few methods providing users…

Computer Vision and Pattern Recognition · Computer Science 2021-08-18 Xiaodong Chen , Xinchen Liu , Wu Liu , Xiao-Ping Zhang , Yongdong Zhang , Tao Mei

Diffusion distillation is central to accelerating image and video generation, yet existing methods are fundamentally limited by the denoising process, where step reduction has largely saturated. Partial timestep low-resolution generation…

Computer Vision and Pattern Recognition · Computer Science 2026-03-09 Feiyang Chen , Hongpeng Pan , Haonan Xu , Xinyu Duan , Yang Yang , Zhefeng Wang

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

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

Recent deep learning based face recognition methods have achieved great performance, but it still remains challenging to recognize very low-resolution query face like 28x28 pixels when CCTV camera is far from the captured subject. Such face…

Computer Vision and Pattern Recognition · Computer Science 2019-05-28 Hanyang Kong , Jian Zhao , Xiaoguang Tu , Junliang Xing , Shengmei Shen , Jiashi Feng

Extracting effective and discriminative features is very important for addressing the challenging person re-identification (re-ID) task. Prevailing deep convolutional neural networks (CNNs) usually use high-level features for identifying…

Computer Vision and Pattern Recognition · Computer Science 2021-06-08 Guoqing Zhang , Junchuan Yang , Yuhui Zheng , Yi Wu , Shengyong Chen

Due to its potential wide applications in video surveillance and other computer vision tasks like tracking, person re-identification (ReID) has become popular and been widely investigated. However, conventional person re-identification can…

Computer Vision and Pattern Recognition · Computer Science 2020-03-03 Xing Fan , Hao Luo , Chi Zhang , Wei Jiang

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

In instance-level detection tasks (e.g., object detection), reducing input resolution is an easy option to improve runtime efficiency. However, this option traditionally hurts the detection performance much. This paper focuses on boosting…

Computer Vision and Pattern Recognition · Computer Science 2021-09-16 Lu Qi , Jason Kuen , Jiuxiang Gu , Zhe Lin , Yi Wang , Yukang Chen , Yanwei Li , Jiaya Jia

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

Recognition of low resolution face images is a challenging problem in many practical face recognition systems. Methods have been proposed in the face recognition literature for the problem which assume that the probe is low resolution, but…

Computer Vision and Pattern Recognition · Computer Science 2017-07-11 Sumit Shekhar , Vishal M. Patel , Rama Chellappa

In spite of great success in many image recognition tasks achieved by recent deep models, directly applying them to recognize low-resolution images may suffer from low accuracy due to the missing of informative details during resolution…

Computer Vision and Pattern Recognition · Computer Science 2024-09-10 Shiming Ge , Kangkai Zhang , Haolin Liu , Yingying Hua , Shengwei Zhao , Xin Jin , Hao Wen

Video-based person re-identification (re-ID) refers to matching people across camera views from arbitrary unaligned video footages. Existing methods rely on supervision signals to optimise a projected space under which the distances between…

Computer Vision and Pattern Recognition · Computer Science 2019-09-13 Lin Wu , Yang Wang , Hongzhi Yin , Meng Wang , Ling Shao

Person re-identification (re-id) aims to match pedestrians observed by disjoint camera views. It attracts increasing attention in computer vision due to its importance to surveillance system. To combat the major challenge of cross-view…

Computer Vision and Pattern Recognition · Computer Science 2017-09-08 Lin Wu , Yang Wang , Junbin Gao , Xue Li

Identifying the same individual across different scenes is an important yet difficult task in intelligent video surveillance. Its main difficulty lies in how to preserve similarity of the same person against large appearance and structure…

Computer Vision and Pattern Recognition · Computer Science 2015-12-14 Shengyong Ding , Liang Lin , Guangrun Wang , Hongyang Chao

Low-resolution face recognition is a challenging task due to the missing of informative details. Recent approaches based on knowledge distillation have proven that high-resolution clues can well guide low-resolution face recognition via…

Computer Vision and Pattern Recognition · Computer Science 2024-09-04 Ruixin Shi , Weijia Guo , Shiming Ge

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

Person re-identification (Re-ID) is the task of matching humans across cameras with non-overlapping views that has important applications in visual surveillance. Like other computer vision tasks, this task has gained much with the…

Computer Vision and Pattern Recognition · Computer Science 2018-07-24 Sergey Rodionov , Alexey Potapov , Hugo Latapie , Enzo Fenoglio , Maxim Peterson

Person Re-Identification (ReID) is a challenging problem in many video analytics and surveillance applications, where a person's identity must be associated across a distributed non-overlapping network of cameras. Video-based person ReID…

Computer Vision and Pattern Recognition · Computer Science 2020-10-06 Madhu Kiran , Amran Bhuiyan , Louis-Antoine Blais-Morin , Mehrsan Javan , Ismail Ben Ayed , Eric Granger