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Unsupervised domain adaptation (UDA) seeks to alleviate the problem of domain shift between the distribution of unlabeled data from the target domain w.r.t. labeled data from the source domain. While the single-target UDA scenario is well…

Computer Vision and Pattern Recognition · Computer Science 2020-11-23 Le Thanh Nguyen-Meidine , Atif Belal , Madhu Kiran , Jose Dolz , Louis-Antoine Blais-Morin , Eric Granger

We introduce an algorithm for tackling the problem of unsupervised domain adaptation (UDA) in continual learning (CL) scenarios. The primary objective is to maintain model generalization under domain shift when new domains arrive…

Machine Learning · Computer Science 2024-02-02 Mohammad Rostami

Unsupervised Domain Adaptive Semantic Segmentation (UDA-SS) aims to transfer the supervision from a labeled source domain to an unlabeled target domain. The majority of existing UDA-SS works typically consider images whilst recent attempts…

Computer Vision and Pattern Recognition · Computer Science 2025-10-06 Zhe Zhang , Gaochang Wu , Jing Zhang , Xiatian Zhu , Dacheng Tao , Tianyou Chai

Medical image segmentation methods normally perform poorly when there is a domain shift between training and testing data. Unsupervised Domain Adaptation (UDA) addresses the domain shift problem by training the model using both labeled data…

Computer Vision and Pattern Recognition · Computer Science 2023-11-03 Yan Wang , Jian Cheng , Yixin Chen , Shuai Shao , Lanyun Zhu , Zhenzhou Wu , Tao Liu , Haogang Zhu

Current state-of-the-art object detectors can have significant performance drop when deployed in the wild due to domain gaps with training data. Unsupervised Domain Adaptation (UDA) is a promising approach to adapt models for new…

Computer Vision and Pattern Recognition · Computer Science 2021-08-06 Fuxun Yu , Di Wang , Yinpeng Chen , Nikolaos Karianakis , Tong Shen , Pei Yu , Dimitrios Lymberopoulos , Sidi Lu , Weisong Shi , Xiang Chen

Unsupervised Domain Adaptation (UDA) aims at classifying unlabeled target images leveraging source labeled ones. In this work, we consider the Partial Domain Adaptation (PDA) variant, where we have extra source classes not present in the…

Computer Vision and Pattern Recognition · Computer Science 2022-10-05 Tiago Salvador , Kilian Fatras , Ioannis Mitliagkas , Adam Oberman

Unsupervised domain adaptation (UDA) aims to transfer knowledge from a label-rich source domain to an unlabeled target domain by addressing domain shifts. Most UDA approaches emphasize transfer ability, but often overlook robustness against…

Machine Learning · Computer Science 2025-11-17 Fuxiang Huang , Xiaowei Fu , Shiyu Ye , Lina Ma , Wen Li , Xinbo Gao , David Zhang , Lei Zhang

Semi-supervised domain adaptation (SSDA) presents a critical hurdle in computer vision, especially given the frequent scarcity of labeled data in real-world settings. This scarcity often causes foundation models, trained on extensive…

Computer Vision and Pattern Recognition · Computer Science 2024-01-24 Ali Mottaghi , Mohammad Abdullah Jamal , Serena Yeung , Omid Mohareri

This paper presents a classification framework based on learnable data augmentation to tackle the One-Shot Unsupervised Domain Adaptation (OS-UDA) problem. OS-UDA is the most challenging setting in Domain Adaptation, as only one single…

Computer Vision and Pattern Recognition · Computer Science 2023-10-04 Julio Ivan Davila Carrazco , Pietro Morerio , Alessio Del Bue , Vittorio Murino

Adapting a medical image segmentation model to a new domain is important for improving its cross-domain transferability, and due to the expensive annotation process, Unsupervised Domain Adaptation (UDA) is appealing where only unlabeled…

Computer Vision and Pattern Recognition · Computer Science 2024-04-09 Jianghao Wu , Dong Guo , Guotai Wang , Qiang Yue , Huijun Yu , Kang Li , Shaoting Zhang

This paper presents an unsupervised domain adaptation (UDA) method for predicting unlabeled target domain data, specific to complex UDA tasks where the domain gap is significant. Mainstream UDA models aim to learn from both domains and…

Computer Vision and Pattern Recognition · Computer Science 2023-05-09 Jun Kataoka , Hyunsoo Yoon

Recently, despite the unprecedented success of large pre-trained visual-language models (VLMs) on a wide range of downstream tasks, the real-world unsupervised domain adaptation (UDA) problem is still not well explored. Therefore, in this…

Computer Vision and Pattern Recognition · Computer Science 2024-01-29 Shuanghao Bai , Min Zhang , Wanqi Zhou , Siteng Huang , Zhirong Luan , Donglin Wang , Badong Chen

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

Convolutional neural networks (CNNs) have led to significant improvements in the semantic segmentation of images. When source and target datasets come from different modalities, CNN performance suffers due to domain shift. In such cases…

Computer Vision and Pattern Recognition · Computer Science 2022-10-10 Serban Stan , Mohammad Rostami

Deep learning-based segmentation methods have been widely employed for automatic glaucoma diagnosis and prognosis. In practice, fundus images obtained by different fundus cameras vary significantly in terms of illumination and intensity.…

Computer Vision and Pattern Recognition · Computer Science 2022-10-11 Qianbi Yu , Dongnan Liu , Chaoyi Zhang , Xinwen Zhang , Weidong Cai

Large performance degradation is often observed for speaker ver-ification systems when applied to a new domain dataset. Givenan unlabeled target-domain dataset, unsupervised domain adaptation(UDA) methods, which usually leverage adversarial…

Sound · Computer Science 2021-09-01 Zhengyang Chen , Shuai Wang , Yanmin Qian

Unsupervised Domain Adaptation (UDA) aims to classify unlabeled target domain by transferring knowledge from labeled source domain with domain shift. Most of the existing UDA methods try to mitigate the adverse impact induced by the shift…

Machine Learning · Computer Science 2022-12-13 Weikai Li , Songcan Chen

Unsupervised Domain Adaptation (UDA) aims to adapt models from labeled source domains to unlabeled target domains. When adapting to adverse scenes, existing UDA methods fail to perform well due to the lack of instructions, leading their…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Ziyang Gong , Fuhao Li , Yupeng Deng , Deblina Bhattacharjee , Xianzheng Ma , Xiangwei Zhu , Zhenming Ji

Universal domain adaptation (UniDA) transfers knowledge from a labeled source domain to an unlabeled target domain, where label spaces may differ and the target domain may contain private classes. Previous UniDA methods primarily focused on…

Computer Vision and Pattern Recognition · Computer Science 2025-10-23 Dujin Lee , Sojung An , Jungmyung Wi , Kuniaki Saito , Donghyun Kim

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