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Unsupervised domain adaptation (UDA) intends to transfer knowledge from a labeled source domain to an unlabeled target domain. Many current methods focus on learning feature representations that are both discriminative for classification…

计算机视觉与模式识别 · 计算机科学 2024-08-02 Fuxiang Huang , Suqi Song , Lei Zhang

Many variants of unsupervised domain adaptation (UDA) problems have been proposed and solved individually. Its side effect is that a method that works for one variant is often ineffective for or not even applicable to another, which has…

计算机视觉与模式识别 · 计算机科学 2021-06-04 Yu Mitsuzumi , Go Irie , Daiki Ikami , Takashi Shibata

Graph Domain Adaptation (GDA) transfers knowledge from labeled source graphs to unlabeled target graphs but is challenged by complex, multi-faceted distributional shifts. Existing methods attempt to reduce distributional shifts by aligning…

机器学习 · 计算机科学 2026-03-19 Wei Chen , Xingyu Guo , Shuang Li , Zhao Zhang , Yan Zhong , Fuzhen Zhuang , Deqing wang

Adversarial discriminative domain adaptation (ADDA) is an efficient framework for unsupervised domain adaptation in image classification, where the source and target domains are assumed to have the same classes, but no labels are available…

计算机视觉与模式识别 · 计算机科学 2019-11-12 Aaron Chadha , Yiannis Andreopoulos

Unsupervised Graph Domain Adaptation (UGDA) has emerged as a practical solution to transfer knowledge from a label-rich source graph to a completely unlabelled target graph. However, most methods require a labelled source graph to provide…

机器学习 · 计算机科学 2024-03-05 Zhen Zhang , Meihan Liu , Anhui Wang , Hongyang Chen , Zhao Li , Jiajun Bu , Bingsheng He

As a specific case of graph transfer learning, unsupervised domain adaptation on graphs aims for knowledge transfer from label-rich source graphs to unlabeled target graphs. However, graphs with topology and attributes usually have…

机器学习 · 计算机科学 2024-10-01 Ziyue Qiao , Xiao Luo , Meng Xiao , Hao Dong , Yuanchun Zhou , Hui Xiong

Source-free Unsupervised Domain Adaptation (SFDA) aims to classify target samples by only accessing a pre-trained source model and unlabelled target samples. Since no source data is available, transferring the knowledge from the source…

计算机视觉与模式识别 · 计算机科学 2024-05-14 Jinkun Jiang , Qingxuan Lv , Yuezun Li , Yong Du , Sheng Chen , Hui Yu , Junyu Dong

Unsupervised Graph Domain Adaptation (UGDA) involves the transfer of knowledge from a label-rich source graph to an unlabeled target graph under domain discrepancies. Despite the proliferation of methods designed for this emerging task, the…

机器学习 · 计算机科学 2024-11-12 Meihan Liu , Zhen Zhang , Jiachen Tang , Jiajun Bu , Bingsheng He , Sheng Zhou

Unsupervised Domain Adaptation (UDA) refers to the problem of learning a model in a target domain where labeled data are not available by leveraging information from annotated data in a source domain. Most deep UDA approaches operate in a…

计算机视觉与模式识别 · 计算机科学 2021-03-26 Massimiliano Mancini , Lorenzo Porzi , Samuel Rota Bulò , Barbara Caputo , Elisa Ricci

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…

机器学习 · 计算机科学 2024-10-23 Junyu Luo , Yiyang Gu , Xiao Luo , Wei Ju , Zhiping Xiao , Yusheng Zhao , Jingyang Yuan , Ming Zhang

In unsupervised domain adaptation (UDA), where models are trained on source data (e.g., synthetic) and adapted to target data (e.g., real-world) without target annotations, addressing the challenge of significant class imbalance remains an…

计算机视觉与模式识别 · 计算机科学 2024-07-02 Roberto Alcover-Couso , Marcos Escudero-Viñolo , Juan C. SanMiguel , Jesus Bescós

Graph Domain Adaptation (GDA) transfers knowledge from labeled source graphs to unlabeled target graphs, addressing the challenge of label scarcity. In this paper, we highlight the significance of graph homophily, a pivotal factor for graph…

社会与信息网络 · 计算机科学 2025-06-03 Ruiyi Fang , Bingheng Li , Jingyu Zhao , Ruizhi Pu , Qiuhao Zeng , Gezheng Xu , Charles Ling , Boyu Wang

In many real-world applications, graph-structured data used for training and testing have differences in distribution, such as in high energy physics (HEP) where simulation data used for training may not match real experiments. Graph domain…

机器学习 · 计算机科学 2023-06-07 Shikun Liu , Tianchun Li , Yongbin Feng , Nhan Tran , Han Zhao , Qiu Qiang , Pan Li

Semantic segmentation models trained on annotated data fail to generalize well when the input data distribution changes over extended time period, leading to requiring re-training to maintain performance. Classic Unsupervised domain…

计算机视觉与模式识别 · 计算机科学 2024-01-03 Serban Stan , Mohammad Rostami

Recent deep networks have achieved good performance on a variety of 3d points classification tasks. However, these models often face challenges in "wild tasks".There are considerable differences between the labeled training/source data…

计算机视觉与模式识别 · 计算机科学 2021-05-11 Junxuan Huang , Junsong Yuan , Chunming Qiao

Graph Neural Networks (GNNs) have achieved great success on a variety of tasks with graph-structural data, among which node classification is an essential one. Unsupervised Graph Domain Adaptation (UGDA) shows its practical value of…

机器学习 · 计算机科学 2023-12-06 Haitao Mao , Lun Du , Yujia Zheng , Qiang Fu , Zelin Li , Xu Chen , Shi Han , Dongmei Zhang

Unsupervised domain adaptation (UDA) is a pivotal form in machine learning to extend the in-domain model to the distinctive target domains where the data distributions differ. Most prior works focus on capturing the inter-domain…

计算机视觉与模式识别 · 计算机科学 2023-10-30 Zhiqing Xiao , Haobo Wang , Ying Jin , Lei Feng , Gang Chen , Fei Huang , Junbo Zhao

To address the problem of data inconsistencies among different facial expression recognition (FER) datasets, many cross-domain FER methods (CD-FERs) have been extensively devised in recent years. Although each declares to achieve superior…

计算机视觉与模式识别 · 计算机科学 2021-12-01 Tianshui Chen , Tao Pu , Hefeng Wu , Yuan Xie , Lingbo Liu , Liang Lin

Learning predictive models in new domains with scarce training data is a growing challenge in modern supervised learning scenarios. This incentivizes developing domain adaptation methods that leverage the knowledge in known domains (source)…

机器学习 · 计算机科学 2023-05-02 Mohammadreza Ebrahimi , Yidong Chai , Hao Helen Zhang , Hsinchun Chen

Unsupervised domain adaptation (UDA) becomes more and more popular in tackling real-world problems without ground truth of the target domain. Though tedious annotation work is not required, UDA unavoidably faces two problems: 1) how to…

计算机视觉与模式识别 · 计算机科学 2022-01-26 Zhiming Wang , Yantian Luo , Danlan Huang , Ning Ge , Jianhua Lu