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Recently, unsupervised person re-identification (Re-ID) has received increasing research attention due to its potential for label-free applications. A promising way to address unsupervised Re-ID is clustering-based, which generates pseudo…

计算机视觉与模式识别 · 计算机科学 2022-11-23 Menglin Wang , Jiachen Li , Baisheng Lai , Xiaojin Gong , Xian-Sheng Hua

While metric learning is important for Person re-identification (RE-ID), a significant problem in visual surveillance for cross-view pedestrian matching, existing metric models for RE-ID are mostly based on supervised learning that requires…

计算机视觉与模式识别 · 计算机科学 2017-10-19 Hong-Xing Yu , Ancong Wu , Wei-Shi Zheng

Existing methods for person re-identification (Re-ID) are mostly based on supervised learning which requires numerous manually labeled samples across all camera views for training. Such a paradigm suffers the scalability issue since in…

计算机视觉与模式识别 · 计算机科学 2019-10-28 Qiaokang Xie , Wengang Zhou , Guo-Jun Qi , Qi Tian , Houqiang Li

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…

计算机视觉与模式识别 · 计算机科学 2025-09-16 Haonan Shi , Yubin Wang , De Cheng , Lingfeng He , Nannan Wang , Xinbo Gao

Learning from fully-unlabeled data is challenging in Multimedia Forensics problems, such as Person Re-Identification and Text Authorship Attribution. Recent self-supervised learning methods have shown to be effective when dealing with…

计算机视觉与模式识别 · 计算机科学 2023-07-03 Gabriel Bertocco , Antônio Theophilo , Fernanda Andaló , Anderson Rocha

Recently, weakly supervised person search is proposed to discard human-annotated identities and train the model with only bounding box annotations. A natural way to solve this problem is to separate it into detection and unsupervised…

计算机视觉与模式识别 · 计算机科学 2022-03-29 Chengyou Jia , Minnan Luo , Caixia Yan , Xiaojun Chang , Qinghua Zheng

Existing person re-identification (re-id) methods mostly exploit a large set of cross-camera identity labelled training data. This requires a tedious data collection and annotation process, leading to poor scalability in practical re-id…

计算机视觉与模式识别 · 计算机科学 2021-01-19 Xiangping Zhu , Xiatian Zhu , Minxian Li , Pietro Morerio , Vittorio Murino , Shaogang Gong

An ongoing major challenge in computer vision is the task of person re-identification, where the goal is to match individuals across different, non-overlapping camera views. While recent success has been achieved via supervised learning…

计算机视觉与模式识别 · 计算机科学 2020-01-15 Devinder Kumar , Parthipan Siva , Paul Marchwica , Alexander Wong

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…

计算机视觉与模式识别 · 计算机科学 2024-11-05 De Cheng , Xiaojian Huang , Nannan Wang , Lingfeng He , Zhihui Li , Xinbo Gao

Person re-identification (Re-ID) models usually show a limited performance when they are trained on one dataset and tested on another dataset due to the inter-dataset bias (e.g. completely different identities and backgrounds) and the…

计算机视觉与模式识别 · 计算机科学 2021-04-29 Jiajie Tian , Zhu Teng , Rui Li , Yan Li , Baopeng Zhang , Jianping Fan

The laborious process of labeling data often bottlenecks projects that aim to leverage the power of supervised machine learning. Active Learning (AL) has been established as a technique to ameliorate this condition through an iterative…

机器学习 · 计算机科学 2022-03-18 Trent J. Bradberry , Christopher H. Hase , LeAnna Kent , Joel A. Góngora

Unsupervised active learning has attracted increasing attention in recent years, where its goal is to select representative samples in an unsupervised setting for human annotating. Most existing works are based on shallow linear models by…

机器学习 · 计算机科学 2020-07-29 Changsheng Li , Handong Ma , Zhao Kang , Ye Yuan , Xiao-Yu Zhang , Guoren Wang

Active learning (AL) is a prominent technique for reducing the annotation effort required for training machine learning models. Deep learning offers a solution for several essential obstacles to deploying AL in practice but introduces many…

Unsupervised person re-identification (ReID) aims at learning discriminative identity features for person retrieval without any annotations. Recent advances accomplish this task by leveraging clustering-based pseudo labels, but these pseudo…

计算机视觉与模式识别 · 计算机科学 2022-12-01 De Cheng , Haichun Tai , Nannan Wang , Zhen Wang , Xinbo Gao

Supervised classification approaches can predict labels for unknown data because of the supervised training process. The success of classification is heavily dependent on the labeled training data. Differently, clustering is effective in…

机器学习 · 计算机科学 2015-02-19 Fangfang Li , Guandong Xu , Longbing Cao

Vehicle re-identification (reID) aims at identifying vehicles across different non-overlapping cameras views. The existing methods heavily relied on well-labeled datasets for ideal performance, which inevitably causes fateful drop due to…

计算机视觉与模式识别 · 计算机科学 2020-06-23 Jinjia Peng , Yang Wang , Huibing Wang , Zhao Zhang , Xianping Fu , Meng Wang

Clustering-based methods, which alternate between the generation of pseudo labels and the optimization of the feature extraction network, play a dominant role in both unsupervised learning (USL) and unsupervised domain adaptive (UDA) person…

计算机视觉与模式识别 · 计算机科学 2022-06-15 Tianyi Yan , Kuan Zhu , Haiyun guo , Guibo Zhu , Ming Tang , Jinqiao Wang

Self-supervised learning systems have gained significant attention in recent years by leveraging clustering-based pseudo-labels to provide supervision without the need for human annotations. However, the noise in these pseudo-labels caused…

计算机视觉与模式识别 · 计算机科学 2024-10-21 Zia-ur-Rehman , Arif Mahmood , Wenxiong Kang

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…

计算机视觉与模式识别 · 计算机科学 2021-08-24 Xiao Zhang , Yixiao Ge , Yu Qiao , Hongsheng Li

Existing public person Re-Identification~(ReID) datasets are small in modern terms because of labeling difficulty. Although unlabeled surveillance video is abundant and relatively easy to obtain, it is unclear how to leverage these footage…

计算机视觉与模式识别 · 计算机科学 2021-05-18 Weiquan Huang , Yan Bai , Qiuyu Ren , Xinbo Zhao , Ming Feng , Yin Wang