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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…

Machine Learning · Computer Science 2019-06-03 Rui Wang , Guoyin Wang , Ricardo Henao

Unsupervised domain adaptive (UDA) person re-identification (ReID) aims to transfer the knowledge from the labeled source domain to the unlabeled target domain for person matching. One challenge is how to generate target domain samples with…

Computer Vision and Pattern Recognition · Computer Science 2021-03-26 Zhizheng Zhang , Cuiling Lan , Wenjun Zeng , Quanzeng You , Zicheng Liu , Kecheng Zheng , Zhibo Chen

Most existing person re-identification (Re-ID) approaches follow a supervised learning framework, in which a large number of labelled matching pairs are required for training. Such a setting severely limits their scalability in real-world…

Computer Vision and Pattern Recognition · Computer Science 2018-07-12 Shan Lin , Haoliang Li , Chang-Tsun Li , Alex Chichung Kot

Unsupervised domain adaptation (UDA) focuses on transferring knowledge learned in the labeled source domain to the unlabeled target domain. Despite significant progress that has been achieved in single-target domain adaptation for image…

Computer Vision and Pattern Recognition · Computer Science 2023-09-14 Xiaohu Lu , Hayder Radha

Unsupervised domain adaptation (UDA) aims to transfer the knowledge from the labeled source domain to the unlabeled target domain. Existing self-training based UDA approaches assign pseudo labels for target data and treat them as ground…

Computer Vision and Pattern Recognition · Computer Science 2021-03-10 Xiaoqing Guo , Chen Yang , Baopu Li , Yixuan Yuan

Unsupervised domain adaptation (UDA) methods have been broadly utilized to improve the models' adaptation ability in general computer vision. However, different from the natural images, there exist huge semantic gaps for the nuclei from…

Computer Vision and Pattern Recognition · Computer Science 2022-07-05 Canran Li , Dongnan Liu , Haoran Li , Zheng Zhang , Guangming Lu , Xiaojun Chang , Weidong Cai

Due to privacy, storage, and other constraints, there is a growing need for unsupervised domain adaptation techniques in machine learning that do not require access to the data used to train a collection of source models. Existing methods…

Machine Learning · Computer Science 2023-06-01 Maohao Shen , Yuheng Bu , Gregory Wornell

While deep learning methods hitherto have achieved considerable success in medical image segmentation, they are still hampered by two limitations: (i) reliance on large-scale well-labeled datasets, which are difficult to curate due to the…

Image and Video Processing · Electrical Eng. & Systems 2022-12-06 Ziyuan Zhao , Fangcheng Zhou , Kaixin Xu , Zeng Zeng , Cuntai Guan , S. Kevin Zhou

In this work, we study Unsupervised Domain Adaptation (UDA) in a challenging self-supervised approach. One of the difficulties is how to learn task discrimination in the absence of target labels. Unlike previous literature which directly…

Computation and Language · Computer Science 2022-07-12 Quanyu Long , Tianze Luo , Wenya Wang , Sinno Jialin Pan

Despite great progress in face recognition tasks achieved by deep convolution neural networks (CNNs), these models often face challenges in real world tasks where training images gathered from Internet are different from test images because…

Computer Vision and Pattern Recognition · Computer Science 2022-05-30 Mei Wang , Weihong Deng

This paper presents an unsupervised deep-learning framework named Local Deep-Feature Alignment (LDFA) for dimension reduction. We construct neighbourhood for each data sample and learn a local Stacked Contractive Auto-encoder (SCAE) from…

Computer Vision and Pattern Recognition · Computer Science 2019-04-23 Jian Zhang , Jun Yu , Dacheng Tao

Existing methods based on meta-learning predict novel-class labels for (target domain) testing tasks via meta knowledge learned from (source domain) training tasks of base classes. However, most existing works may fail to generalize to…

Computer Vision and Pattern Recognition · Computer Science 2022-08-24 Yanxu Hu , Andy J. Ma

Recent works showed that Generative Adversarial Networks (GANs) can be successfully applied in unsupervised domain adaptation, where, given a labeled source dataset and an unlabeled target dataset, the goal is to train powerful classifiers…

Computer Vision and Pattern Recognition · Computer Science 2018-05-07 Riccardo Volpi , Pietro Morerio , Silvio Savarese , Vittorio Murino

With the rapid development of deep learning methods, there have been many breakthroughs in the field of text classification. Models developed for this task have been shown to achieve high accuracy. However, most of these models are trained…

Machine Learning · Computer Science 2024-09-24 Yuxuan Hu , Chenwei Zhang , Min Yang , Xiaodan Liang , Chengming Li , Xiping Hu

Road segmentation from remote sensing images is a challenging task with wide ranges of application potentials. Deep neural networks have advanced this field by leveraging the power of large-scale labeled data, which, however, are extremely…

Computer Vision and Pattern Recognition · Computer Science 2022-02-16 Lefei Zhang , Meng Lan , Jing Zhang , Dacheng Tao

We use information-theoretic tools to derive a novel analysis of Multi-source Domain Adaptation (MDA) from the representation learning perspective. Concretely, we study joint distribution alignment for supervised MDA with few target labels…

Machine Learning · Computer Science 2023-04-06 Qi Chen , Mario Marchand

Unsupervised domain adaptive object detection is a challenging vision task where object detectors are adapted from a label-rich source domain to an unlabeled target domain. Recent advances prove the efficacy of the adversarial based domain…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Kunyang Sun , Wei Lin , Haoqin Shi , Zhengming Zhang , Yongming Huang , Horst Bischof

Object counting models suffer when deployed across domains with differing density variety, since density shifts are inherently task-relevant and violate standard domain adaptation assumptions. To address this, we propose a theoretical…

Computer Vision and Pattern Recognition · Computer Science 2025-11-03 Zhuonan Liang , Dongnan Liu , Jianan Fan , Yaxuan Song , Qiang Qu , Runnan Chen , Yu Yao , Peng Fu , Weidong Cai

Recent advances in domain adaptation reveal that adversarial learning on deep neural networks can learn domain invariant features to reduce the shift between source and target domains. While such adversarial approaches achieve domain-level…

Computer Vision and Pattern Recognition · Computer Science 2023-01-11 Nishant Yadav , Mahbubul Alam , Ahmed Farahat , Dipanjan Ghosh , Chetan Gupta , Auroop R. Ganguly

Domain shift is a well known problem where a model trained on a particular domain (source) does not perform well when exposed to samples from a different domain (target). Unsupervised methods that can adapt to domain shift are highly…

Computer Vision and Pattern Recognition · Computer Science 2021-08-04 Botos Csaba , Xiaojuan Qi , Arslan Chaudhry , Puneet Dokania , Philip Torr