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Related papers: Source Free Unsupervised Graph Domain Adaptation

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Domain adaptation assumes that samples from source and target domains are freely accessible during a training phase. However, such an assumption is rarely plausible in the real-world and possibly causes data-privacy issues, especially when…

Computer Vision and Pattern Recognition · Computer Science 2021-08-31 Youngeun Kim , Donghyeon Cho , Kyeongtak Han , Priyadarshini Panda , Sungeun Hong

Domain adaptation (DA) tries to tackle the scenarios when the test data does not fully follow the same distribution of the training data, and multi-source domain adaptation (MSDA) is very attractive for real world applications. By learning…

Machine Learning · Computer Science 2024-01-17 Jin Yuan , Feng Hou , Yangzhou Du , Zhongchao Shi , Xin Geng , Jianping Fan , Yong Rui

Standard Unsupervised Domain Adaptation (UDA) aims to transfer knowledge from a labeled source domain to an unlabeled target but usually requires simultaneous access to both source and target data. Moreover, UDA approaches commonly assume…

Computer Vision and Pattern Recognition · Computer Science 2024-04-17 Mattia Litrico , Davide Talon , Sebastiano Battiato , Alessio Del Bue , Mario Valerio Giuffrida , Pietro Morerio

In domain adaptation, there are two popular paradigms: Unsupervised Domain Adaptation (UDA), which aligns distributions using source data, and Source-Free Domain Adaptation (SFDA), which leverages pre-trained source models without accessing…

Machine Learning · Computer Science 2024-11-26 Fan Wang , Zhongyi Han , Xingbo Liu , Xin Gao , Yilong Yin

Graph Domain Adaptation (GDA) transfers knowledge from labeled source graphs to unlabeled target graphs, addressing the challenge of label scarcity. However, existing GDA methods typically assume that both source and target graphs exhibit…

Social and Information Networks · Computer Science 2026-02-10 Ruiyi Fang , Shuo Wang , Ruizhi Pu , Qiuhao Zeng , Hao Zheng , Ziyan Wang , Jiale Cai , Zhimin Mei , Song Tang , Charles Ling , Boyu Wang

Graph neural networks (GNNs) have achieved impressive impressions for graph-related tasks. However, most GNNs are primarily studied under the cases of signal domain with supervised training, which requires abundant task-specific labels and…

Machine Learning · Computer Science 2025-07-16 Jinhui Pang , Zixuan Wang , Jiliang Tang , Mingyan Xiao , Nan Yin

In semi-supervised domain adaptation (SSDA), the model aims to leverage partially labeled target domain data along with a large amount of labeled source domain data to enhance its generalization capability for the target domain. A key…

Computer Vision and Pattern Recognition · Computer Science 2024-11-25 Houcheng Su , Mengzhu Wang , Jiao Li , Nan Yin , Liang Yang , Li Shen

Unsupervised domain adaptation (UDA) is one of the key technologies to solve a problem where it is hard to obtain ground truth labels needed for supervised learning. In general, UDA assumes that all samples from source and target domains…

Image and Video Processing · Electrical Eng. & Systems 2022-09-07 Satoshi Kondo

Standard Unsupervised Domain Adaptation (UDA) methods assume the availability of both source and target data during the adaptation. In this work, we investigate Source-free Unsupervised Domain Adaptation (SF-UDA), a specific case of UDA…

Computer Vision and Pattern Recognition · Computer Science 2023-03-20 Mattia Litrico , Alessio Del Bue , Pietro Morerio

Graph neural networks (GNNs) have achieved impressive performance in graph domain adaptation. However, extensive source graphs could be unavailable in real-world scenarios due to privacy and storage concerns. To this end, we investigate an…

Machine Learning · Computer Science 2024-08-23 Junyu Luo , Zhiping Xiao , Yifan Wang , Xiao Luo , Jingyang Yuan , Wei Ju , Langechuan Liu , Ming Zhang

Graph Domain Adaptation (GDA) aims to bridge distribution shifts between domains by transferring knowledge from well-labeled source graphs to given unlabeled target graphs. One promising recent approach addresses graph transfer by…

Machine Learning · Computer Science 2026-02-12 Wei Chen , Xingyu Guo , Shuang Li , Yan Zhong , Zhao Zhang , Fuzhen Zhuang , Hongrui Liu , Libang Zhang , Guo Ye , Huimei He

Label scarcity in a graph is frequently encountered in real-world applications due to the high cost of data labeling. To this end, semi-supervised domain adaptation (SSDA) on graphs aims to leverage the knowledge of a labeled source graph…

Machine Learning · Computer Science 2024-04-05 Jiaren Xiao , Quanyu Dai , Xiao Shen , Xiaochen Xie , Jing Dai , James Lam , Ka-Wai Kwok

We develop an algorithm for adapting a semantic segmentation model that is trained using a labeled source domain to generalize well in an unlabeled target domain. A similar problem has been studied extensively in the unsupervised domain…

Machine Learning · Computer Science 2021-01-12 Serban Stan , Mohammad Rostami

Unsupervised domain adaptation (UDA) has increasingly gained interests for its capacity to transfer the knowledge learned from a labeled source domain to an unlabeled target domain. However, typical UDA methods require concurrent access to…

Computer Vision and Pattern Recognition · Computer Science 2023-07-20 Qinji Yu , Nan Xi , Junsong Yuan , Ziyu Zhou , Kang Dang , Xiaowei Ding

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

Source-free domain adaptation is a crucial machine learning topic, as it contains numerous applications in the real world, particularly with respect to data privacy. Existing approaches predominantly focus on Euclidean data, such as images…

Machine Learning · Computer Science 2024-10-23 Junyu Luo , Yiyang Gu , Xiao Luo , Wei Ju , Zhiping Xiao , Yusheng Zhao , Jingyang Yuan , Ming Zhang

Domain Adaptation aims to transfer the knowledge learned from a labeled source domain to an unlabeled target domain whose data distributions are different. However, the training data in source domain required by most of the existing methods…

Computer Vision and Pattern Recognition · Computer Science 2023-06-02 Ning Ding , Yixing Xu , Yehui Tang , Chao Xu , Yunhe Wang , Dacheng Tao

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 Unsupervised Domain Adaptation (SFUDA) is a challenging task where a model needs to be adapted to a new domain without access to target domain labels or source domain data. The primary difficulty in this task is that the model's…

Computer Vision and Pattern Recognition · Computer Science 2024-02-05 Yangyang Shu , Xiaofeng Cao , Qi Chen , Bowen Zhang , Ziqin Zhou , Anton van den Hengel , Lingqiao Liu

Unsupervised Graph Domain Adaptation (UGDA) leverages labeled source domain graphs to achieve effective performance in unlabeled target domains despite distribution shifts. However, existing methods often yield suboptimal results due to the…

Machine Learning · Computer Science 2025-07-11 Junyu Luo , Yuhao Tang , Yiwei Fu , Xiao Luo , Zhizhuo Kou , Zhiping Xiao , Wei Ju , Wentao Zhang , Ming Zhang