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Unsupervised domain adaptation (UDA) for semantic segmentation aims to transfer the pixel-wise knowledge from the labeled source domain to the unlabeled target domain. However, current UDA methods typically assume a shared label space…

Computer Vision and Pattern Recognition · Computer Science 2024-05-31 Seun-An Choe , Ah-Hyung Shin , Keon-Hee Park , Jinwoo Choi , Gyeong-Moon Park

The increasing adaptation of vision models across domains, such as satellite imagery and medical scans, has raised an emerging privacy risk: models may inadvertently retain and leak sensitive source-domain specific information in the target…

Computer Vision and Pattern Recognition · Computer Science 2026-04-10 Arnav Devalapally , Poornima Jain , Kartik Srinivas , Vineeth N. Balasubramanian

Open-set domain adaptation (OSDA) has gained considerable attention in many visual recognition tasks. However, most existing OSDA approaches are limited due to three main reasons, including: (1) the lack of essential theoretical analysis of…

Computer Vision and Pattern Recognition · Computer Science 2023-01-25 Yadan Luo , Zijian Wang , Zhuoxiao Chen , Zi Huang , Mahsa Baktashmotlagh

Domain adaptation (DA) aims to alleviate the domain shift between source domain and target domain. Most DA methods require access to the source data, but often that is not possible (e.g. due to data privacy or intellectual property). In…

Computer Vision and Pattern Recognition · Computer Science 2023-09-04 Shiqi Yang , Yaxing Wang , Joost van de Weijer , Luis Herranz , Shangling Jui , Jian Yang

We propose a simple but effective source-free domain adaptation (SFDA) method. Treating SFDA as an unsupervised clustering problem and following the intuition that local neighbors in feature space should have more similar predictions than…

Computer Vision and Pattern Recognition · Computer Science 2022-10-05 Shiqi Yang , Yaxing Wang , Kai Wang , Shangling Jui , Joost van de Weijer

Unsupervised domain adaptation (UDA) assumes that source and target domain data are freely available and usually trained together to reduce the domain gap. However, considering the data privacy and the inefficiency of data transmission, it…

Computer Vision and Pattern Recognition · Computer Science 2020-12-11 Xianfeng Li , Weijie Chen , Di Xie , Shicai Yang , Peng Yuan , Shiliang Pu , Yueting Zhuang

Source-free domain adaptation (SFDA) aims to adapt a source model trained on a fully-labeled source domain to a related but unlabeled target domain. While the source model is a key avenue for acquiring target pseudolabels, the generated…

Computer Vision and Pattern Recognition · Computer Science 2024-10-04 Wenyu Zhang , Li Shen , Chuan-Sheng Foo

Deep neural networks (DNNs) often perform poorly in the presence of domain shift and category shift. How to upcycle DNNs and adapt them to the target task remains an important open problem. Unsupervised Domain Adaptation (UDA), especially…

Computer Vision and Pattern Recognition · Computer Science 2023-03-14 Sanqing Qu , Tianpei Zou , Florian Roehrbein , Cewu Lu , Guang Chen , Dacheng Tao , Changjun Jiang

In object detection, unsupervised domain adaptation (UDA) aims to transfer knowledge from a labeled source domain to an unlabeled target domain. However, UDA's reliance on labeled source data restricts its adaptability in privacy-related…

Computer Vision and Pattern Recognition · Computer Science 2024-07-24 Trinh Le Ba Khanh , Huy-Hung Nguyen , Long Hoang Pham , Duong Nguyen-Ngoc Tran , Jae Wook Jeon

Semi-Supervised Domain Adaptation (SSDA) involves learning to classify unseen target data with a few labeled and lots of unlabeled target data, along with many labeled source data from a related domain. Current SSDA approaches usually aim…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Yu-Chu Yu , Hsuan-Tien Lin

Domain adaptation has become a widely adopted approach in machine learning due to the high costs associated with labeling data. It is typically applied when access to a labeled source domain is available. However, in real-world scenarios,…

Computer Vision and Pattern Recognition · Computer Science 2025-07-08 Amirfarhad Farhadi , Naser Mozayani , Azadeh Zamanifar

Source-Free Domain Adaptation (SFDA) aims to solve the domain adaptation problem by transferring the knowledge learned from a pre-trained source model to an unseen target domain. Most existing methods assign pseudo-labels to the target data…

Computer Vision and Pattern Recognition · Computer Science 2022-10-17 Xinyu Guan , Han Sun , Ningzhong Liu , Huiyu Zhou

Semi-supervised domain adaptation (SSDA) has been widely studied due to its ability to utilize a few labeled target data to improve the generalization ability of the model. However, existing methods only consider designing certain…

Computer Vision and Pattern Recognition · Computer Science 2024-11-12 Xinyang Huang , Chuang Zhu , Bowen Zhang , Shanghang Zhang

There is a strong incentive to develop versatile learning techniques that can transfer the knowledge of class-separability from a labeled source domain to an unlabeled target domain in the presence of a domain-shift. Existing domain…

Computer Vision and Pattern Recognition · Computer Science 2020-04-10 Jogendra Nath Kundu , Naveen Venkat , Rahul M , R. Venkatesh Babu

In the face of the deep learning model's vulnerability to domain shift, source-free domain adaptation (SFDA) methods have been proposed to adapt models to new, unseen target domains without requiring access to source domain data. Although…

Computer Vision and Pattern Recognition · Computer Science 2024-03-19 Uiwon Hwang , Jonghyun Lee , Juhyeon Shin , Sungroh Yoon

Source-Free Domain Adaptation (SFDA) adapts source models to target domains without accessing source data, addressing privacy and transmission issues. However, existing methods still initialize from a source pre-trained model and thus are…

Computer Vision and Pattern Recognition · Computer Science 2026-05-05 Zhou Bingtao , Xiang Mian , Ning Qian

Without access to the source data, source-free domain adaptation (SFDA) transfers knowledge from a source-domain trained model to target domains. Recently, SFDA has gained popularity due to the need to protect the data privacy of the source…

Machine Learning · Computer Science 2023-04-14 Haozhe Feng , Zhaorui Yang , Hesun Chen , Tianyu Pang , Chao Du , Minfeng Zhu , Wei Chen , Shuicheng Yan

Source-free domain adaptation (SFDA) involves adapting a model originally trained using a labeled dataset ({\em source domain}) to perform effectively on an unlabeled dataset ({\em target domain}) without relying on any source data during…

Computer Vision and Pattern Recognition · Computer Science 2024-12-20 Jing Wang , Wonho Bae , Jiahong Chen , Kuangen Zhang , Leonid Sigal , Clarence W. de Silva

Solving the domain shift problem during inference is essential in medical imaging, as most deep-learning based solutions suffer from it. In practice, domain shifts are tackled by performing Unsupervised Domain Adaptation (UDA), where a…

Computer Vision and Pattern Recognition · Computer Science 2023-03-14 Vibashan VS , Jeya Maria Jose Valanarasu , Vishal M. Patel

Domain shift occurs when training (source) and test (target) data diverge in their distribution. Source-Free Domain Adaptation (SFDA) addresses this domain shift problem, aiming to adopt a trained model on the source domain to the target…

Computer Vision and Pattern Recognition · Computer Science 2024-10-16 Hyeonwoo Cho , Chanmin Park , Dong-Hee Kim , Jinyoung Kim , Won Hwa Kim