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Active learning (AL) algorithms aim to identify an optimal subset of data for annotation, such that deep neural networks (DNN) can achieve better performance when trained on this labeled subset. AL is especially impactful in industrial…

Computer Vision and Pattern Recognition · Computer Science 2021-11-29 Zeyad Ali Sami Emam , Hong-Min Chu , Ping-Yeh Chiang , Wojciech Czaja , Richard Leapman , Micah Goldblum , Tom Goldstein

Pathology image classification plays a crucial role in accurate medical diagnosis and treatment planning. Training high-performance models for this task typically requires large-scale annotated datasets, which are both expensive and…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Lanfeng Zhong , Xin Liao , Shichuan Zhang , Shaoting Zhang , Guotai Wang

Most existing person re-identification (re-id) methods require supervised model learning from a separate large set of pairwise labelled training data for every single camera pair. This significantly limits their scalability and usability in…

Computer Vision and Pattern Recognition · Computer Science 2018-03-28 Jingya Wang , Xiatian Zhu , Shaogang Gong , Wei Li

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…

Computer Vision and Pattern Recognition · Computer Science 2022-11-23 Menglin Wang , Jiachen Li , Baisheng Lai , Xiaojin Gong , Xian-Sheng Hua

Person re-identification (Re-ID) poses a unique challenge to deep learning: how to learn a deep model with millions of parameters on a small training set of few or no labels. In this paper, a number of deep transfer learning models are…

Computer Vision and Pattern Recognition · Computer Science 2016-11-23 Mengyue Geng , Yaowei Wang , Tao Xiang , Yonghong Tian

Domain adaptive person re-identification (re-ID) is a challenging task due to the large discrepancy between the source domain and the target domain. To reduce the domain discrepancy, existing methods mainly attempt to generate pseudo labels…

Computer Vision and Pattern Recognition · Computer Science 2020-09-15 Junhui Yin , Jiayan Qiu , Siqing Zhang , Zhanyu Ma , Jun Guo

The detection of anomalous behaviours is an emerging need in many applications, particularly in contexts where security and reliability are critical aspects. While the definition of anomaly strictly depends on the domain framework, it is…

Machine Learning · Computer Science 2022-07-11 Elisa Marcelli , Tommaso Barbariol , Gian Antonio Susto

Person re-identification (ReId), a crucial task in surveillance, involves matching individuals across different camera views. The advent of Deep Learning, especially supervised techniques like Convolutional Neural Networks and Attention…

Computer Vision and Pattern Recognition · Computer Science 2025-10-27 Andrea Asperti , Salvatore Fiorilla , Simone Nardi , Lorenzo Orsini

Identifying individual animals in long-duration videos is essential for behavioral ecology, wildlife monitoring, and livestock management. Traditional methods require extensive manual annotation, while existing self-supervised approaches…

Computer Vision and Pattern Recognition · Computer Science 2026-01-15 Xuyang Fang , Sion Hannuna , Edwin Simpson , Neill Campbell

Person re-identification (Re-ID) aims to match the image frames which contain the same person in the surveillance videos. Most of the Re-ID algorithms conduct supervised training in some small labeled datasets, so directly deploying these…

Computer Vision and Pattern Recognition · Computer Science 2018-06-25 Jianming Lv , Xintong Wang

This paper aims to develop a novel cost-effective framework for face identification, which progressively maintains a batch of classifiers with the increasing face images of different individuals. By naturally combining two recently rising…

Computer Vision and Pattern Recognition · Computer Science 2017-07-04 Liang Lin , Keze Wang , Deyu Meng , Wangmeng Zuo , Lei Zhang

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

Existing person re-identification (re-id) methods mostly rely on supervised model learning from a large set of person identity labelled training data per domain. This limits their scalability and usability in large scale deployments. In…

Computer Vision and Pattern Recognition · Computer Science 2021-01-19 Minxian Li , Xiatian Zhu , Shaogang Gong

Many real-world applications, such as city-scale traffic monitoring and control, requires large-scale re-identification. However, previous ReID methods often failed to address two limitations in existing ReID benchmarks, i.e., low…

Computer Vision and Pattern Recognition · Computer Science 2019-11-28 Ye Yuan , Wuyang Chen , Tianlong Chen , Yang Yang , Zhou Ren , Zhangyang Wang , Gang Hua

This paper considers the problem of unsupervised person re-identification (re-ID), which aims to learn discriminative models with unlabeled data. One popular method is to obtain pseudo-label by clustering and use them to optimize the model.…

Computer Vision and Pattern Recognition · Computer Science 2021-03-09 Fengxiang Yang , Zhun Zhong , Zhiming Luo , Yuanzheng Cai , Yaojin Lin , Shaozi Li , Nicu Sebe

Person re-identification (re-ID) requires one to match images of the same person across camera views. As a more challenging task, semi-supervised re-ID tackles the problem that only a number of identities in training data are fully labeled,…

Computer Vision and Pattern Recognition · Computer Science 2020-10-06 Chih-Ting Liu , Yu-Jhe Li , Shao-Yi Chien , Yu-Chiang Frank Wang

This paper tackles the purely unsupervised person re-identification (Re-ID) problem that requires no annotations. Some previous methods adopt clustering techniques to generate pseudo labels and use the produced labels to train Re-ID models…

Computer Vision and Pattern Recognition · Computer Science 2021-02-08 Menglin Wang , Baisheng Lai , Jianqiang Huang , Xiaojin Gong , Xian-Sheng Hua

The ability of robots to manipulate objects relies heavily on their aptitude for visual perception. In domains characterized by cluttered scenes and high object variability, most methods call for vast labeled datasets, laboriously…

Computer Vision and Pattern Recognition · Computer Science 2025-02-13 Moshe Kimhi , David Vainshtein , Chaim Baskin , Dotan Di Castro

Most video person re-identification (re-ID) methods are mainly based on supervised learning, which requires cross-camera ID labeling. Since the cost of labeling increases dramatically as the number of cameras increases, it is difficult to…

Computer Vision and Pattern Recognition · Computer Science 2020-05-14 Youngeun Kim , Seokeon Choi , Taekyung Kim , Sumin Lee , Changick Kim

Active learning (AL) is a promising ML paradigm that has the potential to parse through large unlabeled data and help reduce annotation cost in domains where labeling data can be prohibitive. Recently proposed neural network based AL…

Machine Learning · Computer Science 2022-06-17 Prateek Munjal , Nasir Hayat , Munawar Hayat , Jamshid Sourati , Shadab Khan
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