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Re-identification (re-ID) is currently investigated as a closed-world image retrieval task, and evaluated by retrieval based metrics. The algorithms return ranking lists to users, but cannot tell which images are the true target. In…

Computer Vision and Pattern Recognition · Computer Science 2020-11-24 Zheng Wang , Xin Yuan , Toshihiko Yamasaki , Yutian Lin , Xin Xu , Wenjun Zeng

Camera-based person re-identification (ReID) systems have been widely applied in the field of public security. However, cameras often lack the perception of 3D morphological information of human and are susceptible to various limitations,…

Computer Vision and Pattern Recognition · Computer Science 2023-12-13 Wenxuan Guo , Zhiyu Pan , Yingping Liang , Ziheng Xi , Zhi Chen Zhong , Jianjiang Feng , Jie Zhou

Existing person re-identification (re-id) methods are stuck when deployed to a new unseen scenario despite the success in cross-camera person matching. Recent efforts have been substantially devoted to domain adaptive person re-id where…

Computer Vision and Pattern Recognition · Computer Science 2021-09-10 Lingxiao He , Wu Liu , Jian Liang , Kecheng Zheng , Xingyu Liao , Peng Cheng , Tao Mei

Person search is an extended task of person re-identification (Re-ID). However, most existing one-step person search works have not studied how to employ existing advanced Re-ID models to boost the one-step person search performance due to…

Computer Vision and Pattern Recognition · Computer Science 2021-11-16 Chuang Liu , Hua Yang , Qin Zhou , Shibao Zheng

Person Re-Identification (re-id) is a challenging task in computer vision, especially when there are limited training data from multiple camera views. In this paper, we pro- pose a deep learning based person re-identification method by…

Computer Vision and Pattern Recognition · Computer Science 2016-11-21 Qiqi Xiao , Kelei Cao , Haonan Chen , Fangyue Peng , Chi Zhang

Although the performance of person re-identification (Re-ID) has been much improved by using sophisticated training methods and large-scale labelled datasets, many existing methods make the impractical assumption that information of a…

Computer Vision and Pattern Recognition · Computer Science 2019-10-14 Masato Tamura , Tomokazu Murakami

Existing person re-identification (re-id) methods assume the provision of accurately cropped person bounding boxes with minimum background noise, mostly by manually cropping. This is significantly breached in practice when person bounding…

Computer Vision and Pattern Recognition · Computer Science 2018-07-10 Xu Lan , Hanxiao Wang , Shaogang Gong , Xiatian Zhu

Training a deep architecture using a ranking loss has become standard for the person re-identification task. Increasingly, these deep architectures include additional components that leverage part detections, attribute predictions, pose…

Computer Vision and Pattern Recognition · Computer Science 2018-01-17 Jon Almazan , Bojana Gajic , Naila Murray , Diane Larlus

A key challenge in translating Visual Place Recognition (VPR) from the lab to long-term deployment is ensuring a priori that a system can meet user-specified performance requirements across different parts of an environment, rather than…

Computer Vision and Pattern Recognition · Computer Science 2026-03-05 Somayeh Hussaini , Tobias Fischer , Michael Milford

Person search aims to simultaneously localize and identify a query person from realistic, uncropped images. To achieve this goal, state-of-the-art models typically add a re-id branch upon two-stage detectors like Faster R-CNN. Owing to the…

Computer Vision and Pattern Recognition · Computer Science 2021-09-02 Yichao Yan , Jinpeng Li , Jie Qin , Shengcai Liao , Xiaokang Yang

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

Density-based clustering is the task of discovering high-density regions of entities (clusters) that are separated from each other by contiguous regions of low-density. DBSCAN is, arguably, the most popular density-based clustering…

Machine Learning · Computer Science 2018-11-20 Stiphen Chowdhury , Renato Cordeiro de Amorim

Person re-identification (Re-ID) is a challenging task that involves identifying the same person across different camera views in surveillance systems. Current methods usually rely on features from single-camera views, which can be limiting…

Computer Vision and Pattern Recognition · Computer Science 2025-05-06 Quang-Huy Che , Le-Chuong Nguyen , Duc-Tuan Luu , Vinh-Tiep Nguyen

Given a pedestrian image as a query, the purpose of person re-identification is to identify the correct match from a large collection of gallery images depicting the same person captured by disjoint camera views. The critical challenge is…

Computer Vision and Pattern Recognition · Computer Science 2017-12-05 Lin Wu , Yang Wang

Most works on person re-identification (ReID) take advantage of large backbone networks such as ResNet, which are designed for image classification instead of ReID, for feature extraction. However, these backbones may not be computationally…

Computer Vision and Pattern Recognition · Computer Science 2021-04-12 Hanjun Li , Gaojie Wu , Wei-Shi Zheng

This paper mainly studies one-example and few-example video person re-identification. A multi-branch network PAM that jointly learns local and global features is proposed. PAM has high accuracy, few parameters and converges fast, which is…

Computer Vision and Pattern Recognition · Computer Science 2019-08-27 Jian Han

Crowd counting from unconstrained scene images is a crucial task in many real-world applications like urban surveillance and management, but it is greatly challenged by the camera's perspective that causes huge appearance variations in…

Computer Vision and Pattern Recognition · Computer Science 2018-07-03 Lingbo Liu , Hongjun Wang , Guanbin Li , Wanli Ouyang , Liang Lin

With the rise of the Internet of Things, strategies for effectively processing big data are essential for discovering meaningul insights. The time series datasets produced by groups of interconnected devices contain valuable underlying…

Signal Processing · Electrical Eng. & Systems 2022-10-04 Turner Richmond , Namita Lokare , Qian Ge , Edgar Lobaton

This paper concerns a deep learning approach to relevance ranking in information retrieval (IR). Existing deep IR models such as DSSM and CDSSM directly apply neural networks to generate ranking scores, without explicit understandings of…

Information Retrieval · Computer Science 2019-07-23 Liang Pang , Yanyan Lan , Jiafeng Guo , Jun Xu , Jingfang Xu , Xueqi Cheng

This paper presents new methodology for computationally efficient kernel density estimation. It is shown that a large class of kernels allows for exact evaluation of the density estimates using simple recursions. The same methodology can be…

Computation · Statistics 2019-11-12 David P. Hofmeyr