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The superiority of deeply learned pedestrian representations has been reported in very recent literature of person re-identification (re-ID). In this paper, we consider the more pragmatic issue of learning a deep feature with no or only a…

计算机视觉与模式识别 · 计算机科学 2017-06-30 Hehe Fan , Liang Zheng , Yi Yang

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

Extensive studies on Unsupervised Domain Adaptation (UDA) have propelled the deployment of deep learning from limited experimental datasets into real-world unconstrained domains. Most UDA approaches align features within a common embedding…

计算机视觉与模式识别 · 计算机科学 2022-08-03 Wenxuan Ma , Jinming Zhang , Shuang Li , Chi Harold Liu , Yulin Wang , Wei Li

In this paper, we focus on model generalization and adaptation for cross-domain person re-identification (Re-ID). Unlike existing cross-domain Re-ID methods, leveraging the auxiliary information of those unlabeled target-domain data, we aim…

计算机视觉与模式识别 · 计算机科学 2019-05-31 Haijun Liu , Jian Cheng , Shiguang Wang , Wen Wang

Unsupervised visible-infrared person re-identification (UVI-ReID) has recently gained great attention due to its potential for enhancing human detection in diverse environments without labeling. Previous methods utilize intra-modality…

计算机视觉与模式识别 · 计算机科学 2024-04-11 Yexin Liu , Weiming Zhang , Athanasios V. Vasilakos , Lin Wang

In this paper, we propose a simple model referred as Contradistinguisher (CTDR) for unsupervised domain adaptation whose objective is to jointly learn to contradistinguish on unlabeled target domain in a fully unsupervised manner along with…

机器学习 · 计算机科学 2020-06-12 Sourabh Balgi , Ambedkar Dukkipati

Unsupervised domain adaptation (UDA) for person re-identification is challenging because of the huge gap between the source and target domain. A typical self-training method is to use pseudo-labels generated by clustering algorithms to…

计算机视觉与模式识别 · 计算机科学 2021-12-28 Wenhao Wang , Fang Zhao , Shengcai Liao , Ling Shao

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

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

Domain adaptation (DA) is transfer learning which aims to learn an effective predictor on target data from source data despite data distribution mismatch between source and target. We present in this paper a novel unsupervised DA method for…

计算机视觉与模式识别 · 计算机科学 2018-02-23 Lingkun Luo , Liming Chen , Ying lu , Shiqiang Hu

Unsupervised person re-identification (re-ID) has become an important topic due to its potential to resolve the scalability problem of supervised re-ID models. However, existing methods simply utilize pseudo labels from clustering for…

计算机视觉与模式识别 · 计算机科学 2021-04-02 Junhui Yin , Jiayan Qiu , Siqing Zhang , Jiyang Xie , Zhanyu Ma , Jun Guo

In this work, we present a method for unsupervised domain adaptation. Many adversarial learning methods train domain classifier networks to distinguish the features as either a source or target and train a feature generator network to mimic…

计算机视觉与模式识别 · 计算机科学 2018-04-04 Kuniaki Saito , Kohei Watanabe , Yoshitaka Ushiku , Tatsuya Harada

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…

计算机视觉与模式识别 · 计算机科学 2021-02-08 Menglin Wang , Baisheng Lai , Jianqiang Huang , Xiaojin Gong , Xian-Sheng Hua

Unsupervised domain adaptation studies the problem of utilizing a relevant source domain with abundant labels to build predictive modeling for an unannotated target domain. Recent work observe that the popular adversarial approach of…

机器学习 · 统计学 2020-01-06 Shen Yan , Huan Song , Nanxiang Li , Lincan Zou , Liu Ren

For most unsupervised person re-identification (re-ID), people often adopt unsupervised domain adaptation (UDA) method. UDA often train on the labeled source dataset and evaluate on the target dataset, which often focuses on learning…

计算机视觉与模式识别 · 计算机科学 2020-04-23 Kaiwei Zeng

Person re-identification (re-id) aims to match the same person from images taken across multiple cameras. Most existing person re-id methods generally require a large amount of identity labeled data to act as discriminative guideline for…

计算机视觉与模式识别 · 计算机科学 2020-09-02 Usman Ali , Bayram Bayramli , Hongtao Lu

Face Presentation Attack Detection (PAD) has drawn increasing attentions to secure the face recognition systems that are widely used in many applications. Conventional face anti-spoofing methods have been proposed, assuming that testing is…

计算机视觉与模式识别 · 计算机科学 2021-02-16 Yomna Safaa El-Din , Mohamed N. Moustafa , Hani Mahdi

Unsupervised Person Re-identification (U-ReID) with pseudo labeling recently reaches a competitive performance compared to fully-supervised ReID methods based on modern clustering algorithms. However, such clustering-based scheme becomes…

计算机视觉与模式识别 · 计算机科学 2022-08-09 Xin Jin , Tianyu He , Xu Shen , Tongliang Liu , Xinchao Wang , Jianqiang Huang , Zhibo Chen , Xian-Sheng Hua

Unsupervised person re-identification (ReID) aims to match a query image of a pedestrian to the images in gallery set without supervision labels. The most popular approaches to tackle unsupervised person ReID are usually performing a…

计算机视觉与模式识别 · 计算机科学 2022-04-15 He Sun , Mingkun Li , Chun-Guang Li

Person re-identification (re-ID) is an important topic in computer vision. This paper studies the unsupervised setting of re-ID, which does not require any labeled information and thus is freely deployed to new scenarios. There are very few…

计算机视觉与模式识别 · 计算机科学 2020-04-08 Yutian Lin , Lingxi Xie , Yu Wu , Chenggang Yan , Qi Tian