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Unsupervised Domain Adaptation (UDA) aims at improving the generalization capability of a model trained on a source domain to perform well on a target domain for which no labeled data is available. In this paper, we consider the semantic…

Computer Vision and Pattern Recognition · Computer Science 2020-04-28 Teo Spadotto , Marco Toldo , Umberto Michieli , Pietro Zanuttigh

Unsupervised domain adaptation (UDA) transfers knowledge from a label-rich source domain to a different but related fully-unlabeled target domain. To address the problem of domain shift, more and more UDA methods adopt pseudo labels of the…

Computer Vision and Pattern Recognition · Computer Science 2022-07-26 Jie Wang , Xiao-Lei Zhang

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

Most existing studies on unsupervised domain adaptation (UDA) assume that each domain's training samples come with domain labels (e.g., painting, photo). Samples from each domain are assumed to follow the same distribution and the domain…

Computer Vision and Pattern Recognition · Computer Science 2022-07-27 Zhongying Deng , Kaiyang Zhou , Da Li , Junjun He , Yi-Zhe Song , Tao Xiang

Existing methods for last layer retraining that aim to optimize worst-group accuracy (WGA) rely heavily on well-annotated groups in the training data. We show, both in theory and practice, that annotation-based data augmentations using…

Machine Learning · Computer Science 2024-06-27 Nathan Stromberg , Rohan Ayyagari , Monica Welfert , Sanmi Koyejo , Richard Nock , Lalitha Sankar

Network alignment has attracted widespread attention in various fields. However, most existing works mainly focus on the problem of label sparsity, while overlooking the issue of noise in network alignment, which can substantially undermine…

Machine Learning · Computer Science 2025-08-11 Yixuan Nan , Xixun Lin , Yanmin Shang , Zhuofan Li , Can Zhao , Yanan Cao

Domain adaptation (DA) is transfer learning which aims to leverage labeled data in a related source domain to achieve informed knowledge transfer and help the classification of unlabeled data in a target domain. In this paper, we propose a…

Computer Vision and Pattern Recognition · Computer Science 2017-05-25 Lingkun Luo , Xiaofang Wang , Shiqiang Hu , Liming Chen

Unsupervised Domain Adaptation (UDA) methods for person Re-Identification (Re-ID) rely on target domain samples to model the marginal distribution of the data. To deal with the lack of target domain labels, UDA methods leverage information…

Computer Vision and Pattern Recognition · Computer Science 2021-01-06 Tiago de C. G. Pereira , Teofilo E. de Campos

Source-free unsupervised domain adaptation (SFUDA) aims to enable the utilization of a pre-trained source model in an unlabeled target domain without access to source data. Self-training is a way to solve SFUDA, where confident target…

Computer Vision and Pattern Recognition · Computer Science 2024-03-19 Xi Chen , Haosen Yang , Huicong Zhang , Hongxun Yao , Xiatian Zhu

Unsupervised Domain Adaptation (UDA) has attracted a lot of attention in the last ten years. The emergence of Domain Invariant Representations (IR) has improved drastically the transferability of representations from a labelled source…

Machine Learning · Computer Science 2020-06-25 Victor Bouvier , Philippe Very , Clément Chastagnol , Myriam Tami , Céline Hudelot

Unsupervised domain adaptation (UDA) aims to transfer knowledge from a labeled source domain to an unlabeled target domain. Recent works have focused on source-free UDA, where only target data is available. This is challenging as models…

Machine Learning · Computer Science 2024-10-10 Chrisantus Eze , Christopher Crick

Unsupervised domain adaptation (UDA) approaches focus on adapting models trained on a labeled source domain to an unlabeled target domain. UDA methods have a strong assumption that the source data is accessible during adaptation, which may…

Computer Vision and Pattern Recognition · Computer Science 2023-03-31 Nazmul Karim , Niluthpol Chowdhury Mithun , Abhinav Rajvanshi , Han-pang Chiu , Supun Samarasekera , Nazanin Rahnavard

Graph Domain Adaptation (GDA) facilitates knowledge transfer from labeled source graphs to unlabeled target graphs by learning domain-invariant representations, which is essential in applications such as molecular property prediction and…

Machine Learning · Computer Science 2025-09-09 Yingxu Wang , Mengzhu Wang , Zhichao Huang , Suyu Liu , Nan Yin

Motivated by the problem relatedness between unsupervised domain adaptation (UDA) and semi-supervised learning (SSL), many state-of-the-art UDA methods adopt SSL principles (e.g., the cluster assumption) as their learning ingredients.…

Machine Learning · Computer Science 2020-07-16 Yabin Zhang , Bin Deng , Kui Jia , Lei Zhang

Label noise significantly degrades the generalization ability of deep models in applications. Effective strategies and approaches, \textit{e.g.} re-weighting, or loss correction, are designed to alleviate the negative impact of label noise…

Machine Learning · Computer Science 2021-11-09 Haoliang Sun , Chenhui Guo , Qi Wei , Zhongyi Han , Yilong Yin

Adversarial training (AT) is currently one of the most effective ways to obtain the robustness of deep neural networks against adversarial attacks. However, most AT methods suffer from robust overfitting, i.e., a significant generalization…

Machine Learning · Computer Science 2024-03-15 Daiwei Yu , Zhuorong Li , Lina Wei , Canghong Jin , Yun Zhang , Sixian Chan

Recent deep networks achieved state of the art performance on a variety of semantic segmentation tasks. Despite such progress, these models often face challenges in real world `wild tasks' where large difference between labeled…

Computer Vision and Pattern Recognition · Computer Science 2018-10-26 Yang Zou , Zhiding Yu , B. V. K. Vijaya Kumar , Jinsong Wang

Deep learning is usually data starved, and the unsupervised domain adaptation (UDA) is developed to introduce the knowledge in the labeled source domain to the unlabeled target domain. Recently, deep self-training presents a powerful means…

Computer Vision and Pattern Recognition · Computer Science 2022-08-30 Lingsheng Kong , Bo Hu , Xiongchang Liu , Jun Lu , Jane You , Xiaofeng Liu

We study the problem of learning conditional generators from noisy labeled samples, where the labels are corrupted by random noise. A standard training of conditional GANs will not only produce samples with wrong labels, but also generate…

Machine Learning · Statistics 2018-11-09 Kiran Koshy Thekumparampil , Ashish Khetan , Zinan Lin , Sewoong Oh

Deep learning techniques have been widely used in autonomous driving systems for the semantic understanding of urban scenes. However, they need a huge amount of labeled data for training, which is difficult and expensive to acquire. A…

Computer Vision and Pattern Recognition · Computer Science 2020-03-03 Umberto Michieli , Matteo Biasetton , Gianluca Agresti , Pietro Zanuttigh