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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

This paper proposes a self-supervised learning method for the person re-identification (re-ID) problem, where existing unsupervised methods usually rely on pseudo labels, such as those from video tracklets or clustering. A potential…

计算机视觉与模式识别 · 计算机科学 2020-07-16 Zhongdao Wang , Jingwei Zhang , Liang Zheng , Yixuan Liu , Yifan Sun , Yali Li , Shengjin Wang

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…

计算机视觉与模式识别 · 计算机科学 2022-04-05 Hehan Teng , Tao He , Yuchen Guo , Zhenhua Guo , Guiguang Ding

Generalizable person re-identification (Re-ID) aims to recognize individuals across unseen cameras and environments. While existing methods rely heavily on limited labeled multi-camera data, we propose DynaMix, a novel method that…

计算机视觉与模式识别 · 计算机科学 2025-12-29 Timur Mamedov , Anton Konushin , Vadim Konushin

With rich temporal-spatial information, video-based person re-identification methods have shown broad prospects. Although tracklets can be easily obtained with ready-made tracking models, annotating identities is still expensive and…

计算机视觉与模式识别 · 计算机科学 2026-01-21 Nanxing Meng , Qizao Wang , Bin Li , Xiangyang Xue

Person re-identification (re-ID) aims at identifying the same persons' images across different cameras. However, domain diversities between different datasets pose an evident challenge for adapting the re-ID model trained on one dataset to…

计算机视觉与模式识别 · 计算机科学 2020-01-31 Yixiao Ge , Dapeng Chen , Hongsheng Li

The collection and release of street-level recordings as Open Data play a vital role in advancing autonomous driving systems and AI research. However, these datasets pose significant privacy risks, particularly for pedestrians, due to the…

计算机视觉与模式识别 · 计算机科学 2025-07-16 Robert Aufschläger , Youssef Shoeb , Azarm Nowzad , Michael Heigl , Fabian Bally , Martin Schramm

Deep metric learning is an important area due to its applicability to many domains such as image retrieval and person re-identification. The main drawback of such models is the necessity for labeled data. In this work, we propose to…

计算机视觉与模式识别 · 计算机科学 2019-11-19 Xuefei Cao , Bor-Chun Chen , Ser-Nam Lim

In this work, we address the problem of unsupervised domain adaptation for person re-ID where annotations are available for the source domain but not for target. Previous methods typically follow a two-stage optimization pipeline, where the…

计算机视觉与模式识别 · 计算机科学 2021-08-17 Takashi Isobe , Dong Li , Lu Tian , Weihua Chen , Yi Shan , Shengjin Wang

Unsupervised learning visible-infrared person re-identification (USL-VI-ReID) aims to learn modality-invariant features from unlabeled cross-modality datasets and reduce the inter-modality gap. However, the existing methods lack…

计算机视觉与模式识别 · 计算机科学 2024-12-30 Ruixing Wu , Yiming Yang , Jiakai He , Haifeng Hu

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

Due to the lack of labels and the domain diversities, it is a challenge to study person re-identification in the cross-domain setting. An admirable method is to optimize the target model by assigning pseudo-labels for unlabeled samples…

计算机视觉与模式识别 · 计算机科学 2020-12-29 Hongliang Zhang , Shoudong Han , Xiaofeng Pan , Jun Zhao

Clustering is considered a non-supervised learning setting, in which the goal is to partition a collection of data points into disjoint clusters. Often a bound $k$ on the number of clusters is given or assumed by the practitioner. Many…

机器学习 · 计算机科学 2012-02-01 Nir Ailon , Ron Begleiter

Person re-identification (Re-ID) is a critical technique in the video surveillance system, which has achieved significant success in the supervised setting. However, it is difficult to directly apply the supervised model to arbitrary unseen…

计算机视觉与模式识别 · 计算机科学 2022-08-26 Lei Qi , Jiaying Shen , Jiaqi Liu , Yinghuan Shi , Xin Geng

Existing person re-identification (re-id) methods rely mostly on a large set of inter-camera identity labelled training data, requiring a tedious data collection and annotation process therefore leading to poor scalability in practical…

计算机视觉与模式识别 · 计算机科学 2019-08-28 Xiangping Zhu , Xiatian Zhu , Minxian Li , Vittorio Murino , Shaogang Gong

Unsupervised Re-ID methods aim at learning robust and discriminative features from unlabeled data. However, existing methods often ignore the relationship between module parameters of Re-ID framework and feature distributions, which may…

计算机视觉与模式识别 · 计算机科学 2023-03-14 Ziqi He , Mengjia Xue , Yunhao Du , Zhicheng Zhao , Fei Su

Person re-identification (person Re-Id) aims to retrieve the pedestrian images of a same person that captured by disjoint and non-overlapping cameras. Lots of researchers recently focuse on this hot issue and propose deep learning based…

计算机视觉与模式识别 · 计算机科学 2019-06-06 Chengyuan Zhang , Lei Zhu , Shichao Zhang

In this paper, we address a complex but practical scenario in semi-supervised learning (SSL) named open-set SSL, where unlabeled data contain both in-distribution (ID) and out-of-distribution (OOD) samples. Unlike previous methods that only…

计算机视觉与模式识别 · 计算机科学 2023-07-03 Ganlong Zhao , Guanbin Li , Yipeng Qin , Jinjin Zhang , Zhenhua Chai , Xiaolin Wei , Liang Lin , Yizhou Yu

Person re-identification is the challenging task of identifying a person across different camera views. Training a convolutional neural network (CNN) for this task requires annotating a large dataset, and hence, it involves the…

计算机视觉与模式识别 · 计算机科学 2021-07-27 Olga Moskvyak , Frederic Maire , Feras Dayoub , Mahsa Baktashmotlagh

Recent advances in large language models (LLMs) have yielded impressive performance on various tasks, yet they often depend on high-quality feedback that can be costly. Self-refinement methods attempt to leverage LLMs' internal evaluation…

计算与语言 · 计算机科学 2025-12-01 Hikaru Asano , Tadashi Kozuno , Yukino Baba