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Gait recognition is a rapidly advancing vision technique for person identification from a distance. Prior studies predominantly employed relatively shallow networks to extract subtle gait features, achieving impressive successes in…

计算机视觉与模式识别 · 计算机科学 2024-01-11 Chao Fan , Saihui Hou , Yongzhen Huang , Shiqi Yu

Deep convolutional neural networks have considerably improved state-of-the-art results for semantic segmentation. Nevertheless, even modern architectures lack the ability to generalize well to a test dataset that originates from a different…

计算机视觉与模式识别 · 计算机科学 2021-05-06 Robert A. Marsden , Alexander Bartler , Mario Döbler , Bin Yang

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

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 seeks to learn an invariant and discriminative representation for an unlabeled target domain by leveraging the information of a labeled source dataset. We propose to improve the discriminative ability of the…

机器学习 · 计算机科学 2019-06-03 Rui Wang , Guoyin Wang , Ricardo Henao

Unsupervised person re-identification (Re-ID) attracts increasing attention due to its potential to resolve the scalability problem of supervised Re-ID models. Most existing unsupervised methods adopt an iterative clustering mechanism,…

计算机视觉与模式识别 · 计算机科学 2021-12-09 Lianjie Jia , Chenyang Yu , Xiehao Ye , Tianyu Yan , Yinjie Lei , Pingping Zhang

Unsupervised domain adaptation aims to address the problem of classifying unlabeled samples from the target domain whilst labeled samples are only available from the source domain and the data distributions are different in these two…

机器学习 · 计算机科学 2019-11-20 Qian Wang , Toby P. Breckon

Unsupervised domain adaptive (UDA) person re-identification (re-ID) is a challenging task due to the missing of labels for the target domain data. To handle this problem, some recent works adopt clustering algorithms to off-line generate…

计算机视觉与模式识别 · 计算机科学 2021-09-29 Yongxing Dai , Jun Liu , Yan Bai , Zekun Tong , Ling-Yu Duan

We investigate and characterize the inherent resilience of conditional Generative Adversarial Networks (cGANs) against noise in their conditioning labels, and exploit this fact in the context of Unsupervised Domain Adaptation (UDA). In UDA,…

计算机视觉与模式识别 · 计算机科学 2020-01-10 Pietro Morerio , Riccardo Volpi , Ruggero Ragonesi , Vittorio Murino

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

Unsupervised Domain Adaptive (UDA) person search focuses on employing the model trained on a labeled source domain dataset to a target domain dataset without any additional annotations. Most effective UDA person search methods typically…

计算机视觉与模式识别 · 计算机科学 2024-12-24 Linfeng Qi , Huibing Wang , Jiqing Zhang , Jinjia Peng , Yang Wang

Gait recognition aims at identifying the pedestrians at a long distance by their biometric gait patterns. It is inherently challenging due to the various covariates and the properties of silhouettes (textureless and colorless), which result…

计算机视觉与模式识别 · 计算机科学 2023-06-09 Huanzhang Dou , Pengyi Zhang , Yuhan Zhao , Lin Dong , Zequn Qin , Xi Li

Dense retrieval approaches can overcome the lexical gap and lead to significantly improved search results. However, they require large amounts of training data which is not available for most domains. As shown in previous work (Thakur et…

计算与语言 · 计算机科学 2022-04-26 Kexin Wang , Nandan Thakur , Nils Reimers , Iryna Gurevych

Gait recognition (GR) is a growing biometric modality used for person identification from a distance through visual cameras. GR provides a secure and reliable alternative to fingerprint and face recognition, as it is harder to distinguish…

计算机视觉与模式识别 · 计算机科学 2023-09-20 Muhammad Imran Sharif , Mehwish Mehmood , Muhammad Irfan Sharif , Md Palash Uddin

Gait recognition is an appealing biometric modality which aims to identify individuals based on the way they walk. Deep learning has reshaped the research landscape in this area since 2015 through the ability to automatically learn…

计算机视觉与模式识别 · 计算机科学 2022-02-15 Alireza Sepas-Moghaddam , Ali Etemad

Gait recognition plays a vital role in human identification since gait is a unique biometric feature that can be perceived at a distance. Although existing gait recognition methods can learn gait features from gait sequences in different…

计算机视觉与模式识别 · 计算机科学 2021-03-30 Yiqun Liu , Yi Zeng , Jian Pu , Hongming Shan , Peiyang He , Junping Zhang

In the absence of labeled target data, unsupervised domain adaptation approaches seek to align the marginal distributions of the source and target domains in order to train a classifier for the target. Unsupervised domain alignment…

计算机视觉与模式识别 · 计算机科学 2024-03-13 Sachin Chhabra , Hemanth Venkateswara , Baoxin Li

Many unsupervised domain adaptive (UDA) person re-identification (ReID) approaches combine clustering-based pseudo-label prediction with feature fine-tuning. However, because of domain gap, the pseudo-labels are not always reliable and…

计算机视觉与模式识别 · 计算机科学 2020-12-18 Kecheng Zheng , Cuiling Lan , Wenjun Zeng , Zhizheng Zhang , Zheng-Jun Zha

Recent advancements in deep learning-based wearable human action recognition (wHAR) have improved the capture and classification of complex motions, but adoption remains limited due to the lack of expert annotations and domain discrepancies…

计算机视觉与模式识别 · 计算机科学 2024-10-24 Indrajeet Ghosh , Garvit Chugh , Abu Zaher Md Faridee , Nirmalya Roy

Objective: In this paper, we demonstrate the applicability of radar for gait classification with application to home security, medical diagnosis, rehabilitation and assisted living. Aiming at identifying changes in gait patterns based on…

信号处理 · 电气工程与系统科学 2019-02-05 Ann-Kathrin Seifert , Moeness G. Amin , Abdelhak M. Zoubir