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Unsupervised learning visible-infrared person re-identification (USL-VI-ReID) aims at learning modality-invariant features from unlabeled cross-modality dataset, which is crucial for practical applications in video surveillance systems. The…

Computer Vision and Pattern Recognition · Computer Science 2024-11-05 De Cheng , Xiaojian Huang , Nannan Wang , Lingfeng He , Zhihui Li , Xinbo Gao

In video surveillance applications, person search is a challenging task consisting in detecting people and extracting features from their silhouette for re-identification (re-ID) purpose. We propose a new end-to-end model that jointly…

Computer Vision and Pattern Recognition · Computer Science 2022-01-25 Angelique Loesch , Jaonary Rabarisoa , Romaric Audigier

We present a semi-supervised approach that localizes multiple unknown object instances in long videos. We start with a handful of labeled boxes and iteratively learn and label hundreds of thousands of object instances. We propose criteria…

Computer Vision and Pattern Recognition · Computer Science 2015-05-22 Ishan Misra , Abhinav Shrivastava , Martial Hebert

The objective of unsupervised person re-identification (Re-ID) is to learn discriminative features without labor-intensive identity annotations. State-of-the-art unsupervised Re-ID methods assign pseudo labels to unlabeled images in the…

Computer Vision and Pattern Recognition · Computer Science 2020-11-30 Hao Chen , Benoit Lagadec , Francois Bremond

In this paper, we aim to tackle the one-shot person re-identification problem where only one image is labelled for each person, while other images are unlabelled. This task is challenging due to the lack of sufficient labelled training…

Computer Vision and Pattern Recognition · Computer Science 2022-01-21 Hui Li , Jimin Xiao , Mingjie Sun , Eng Gee Lim , Yao Zhao

Supervised person re-identification assumes that a person has images captured under multiple cameras. However when cameras are placed in distance, a person rarely appears in more than one camera. This paper thus studies person re-ID under…

Computer Vision and Pattern Recognition · Computer Science 2023-11-03 Menglin Wang , Xiaojin Gong

Video-based person re-identification (Re-ID) aims at matching the video tracklets with cropped video frames for identifying the pedestrians under different cameras. However, there exists severe spatial and temporal misalignment for those…

Computer Vision and Pattern Recognition · Computer Science 2021-09-23 Chih-Ting Liu , Jun-Cheng Chen , Chu-Song Chen , Shao-Yi Chien

A series of unsupervised video-based re-identification (re-ID) methods have been proposed to solve the problem of high labor cost required to annotate re-ID datasets. But their performance is still far lower than the supervised…

Computer Vision and Pattern Recognition · Computer Science 2022-04-05 Hehan Teng , Tao He , Yuchen Guo , Zhenhua Guo , Guiguang Ding

It is prohibitively expensive to annotate a large-scale video-based person re-identification (re-ID) dataset, which makes fully supervised methods inapplicable to real-world deployment. How to maximally reduce the annotation cost while…

Computer Vision and Pattern Recognition · Computer Science 2018-12-17 Menglin Wang , Baisheng Lai , Zhongming Jin , Xiaojin Gong , Jianqiang Huang , Xiansheng Hua

We introduce a self-supervised method for learning visual correspondence from unlabeled video. The main idea is to use cycle-consistency in time as free supervisory signal for learning visual representations from scratch. At training time,…

Computer Vision and Pattern Recognition · Computer Science 2019-04-03 Xiaolong Wang , Allan Jabri , Alexei A. Efros

Person re-identification is an important task that requires learning discriminative visual features for distinguishing different person identities. Diverse auxiliary information has been utilized to improve the visual feature learning. In…

Computer Vision and Pattern Recognition · Computer Science 2018-08-07 Dapeng Chen , Hongsheng Li , Xihui Liu , Yantao Shen , Zejian Yuan , Xiaogang Wang

Learning to re-identify or retrieve a group of people across non-overlapped camera systems has important applications in video surveillance. However, most existing methods focus on (single) person re-identification (re-id), ignoring the…

Computer Vision and Pattern Recognition · Computer Science 2021-04-30 Yichao Yan , Jie Qin , Bingbing Ni , Jiaxin Chen , Li Liu , Fan Zhu , Wei-Shi Zheng , Xiaokang Yang , Ling Shao

Unsupervised Domain Adaptation (UDA) for re-identification (re-ID) is a challenging task: to avoid a costly annotation of additional data, it aims at transferring knowledge from a domain with annotated data to a domain of interest with only…

Computer Vision and Pattern Recognition · Computer Science 2021-11-05 Fabian Dubourvieux , Angélique Loesch , Romaric Audigier , Samia Ainouz , Stéphane Canu

This paper proposes MCSSL, a self-supervised learning approach for building custom object detection models in multi-camera networks. MCSSL associates bounding boxes between cameras with overlapping fields of view by leveraging epipolar…

Computer Vision and Pattern Recognition · Computer Science 2021-02-09 Yan Lu , Yuanchao Shu

In person re-identification (Re-ID), supervised methods usually need a large amount of expensive label information, while unsupervised ones are still unable to deliver satisfactory identification performance. In this paper, we introduce a…

Computer Vision and Pattern Recognition · Computer Science 2021-07-12 Lei Qi , Lei Wang , Jing Huo , Yinghuan Shi , Xin Geng , Yang Gao

Unsupervised object re-identification targets at learning discriminative representations for object retrieval without any annotations. Clustering-based methods conduct training with the generated pseudo labels and currently dominate this…

Computer Vision and Pattern Recognition · Computer Science 2021-08-24 Xiao Zhang , Yixiao Ge , Yu Qiao , Hongsheng Li

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

State-of-the-art deep learning-based registration methods employ three different learning strategies: supervised learning, which requires costly manual annotations, unsupervised learning, which heavily relies on hand-crafted similarity…

Computer Vision and Pattern Recognition · Computer Science 2023-07-21 Alexander Bigalke , Lasse Hansen , Tony C. W. Mok , Mattias P. Heinrich

We introduce a new framework, dubbed Cerberus, for attribute-based person re-identification (reID). Our approach leverages person attribute labels to learn local and global person representations that encode specific traits, such as gender…

Computer Vision and Pattern Recognition · Computer Science 2024-12-03 Chanho Eom , Geon Lee , Kyunghwan Cho , Hyeonseok Jung , Moonsub Jin , Bumsub Ham

Supervised-learning based person re-identification (re-id) require a large amount of manual labeled data, which is not applicable in practical re-id deployment. In this work, we propose a Support Pair Active Learning (SPAL) framework to…

Computer Vision and Pattern Recognition · Computer Science 2022-04-22 Dapeng Jin , Minxian Li