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In semi-supervised domain adaptation, a few labeled samples per class in the target domain guide features of the remaining target samples to aggregate around them. However, the trained model cannot produce a highly discriminative feature…

Computer Vision and Pattern Recognition · Computer Science 2021-04-20 Jichang Li , Guanbin Li , Yemin Shi , Yizhou Yu

Semi-supervised domain adaptation (SSDA) adapts a learner to a new domain by effectively utilizing source domain data and a few labeled target samples. It is a practical yet under-investigated research topic. In this paper, we analyze the…

Computer Vision and Pattern Recognition · Computer Science 2023-03-31 Wenqiao Zhang , Changshuo Liu , Can Cui , Beng Chin Ooi

Domain adaptation (DA) addresses the real-world image classification problem of discrepancy between training (source) and testing (target) data distributions. We propose an unsupervised DA method that considers the presence of only…

Computer Vision and Pattern Recognition · Computer Science 2018-12-03 Debasmit Das , C. S. George Lee

Many existing unsupervised domain adaptation (UDA) methods primarily focus on covariate shift, limiting their effectiveness in imbalanced domain adaptation (IDA) where both covariate shift and label shift coexist. Recent IDA methods have…

Computer Vision and Pattern Recognition · Computer Science 2024-12-31 Xiaona Sun , Zhenyu Wu , Zhiqiang Zhan , Yang Ji

Unsupervised domain adaptation aims to address the problem of classifying unlabeled samples from the target domain whilst labeled samples are only available from the source domain and the data distributions are different in these two…

Machine Learning · Computer Science 2019-11-20 Qian Wang , Toby P. Breckon

Domain adaptation (DA) attempts to transfer the knowledge from a labeled source domain to an unlabeled target domain that follows different distribution from the source. To achieve this, DA methods include a source classification objective…

Machine Learning · Computer Science 2021-12-10 Fangrui Lv , Jian Liang , Kaixiong Gong , Shuang Li , Chi Harold Liu , Han Li , Di Liu , Guoren Wang

One of the primary challenges in Semi-supervised Domain Adaptation (SSDA) is the skewed ratio between the number of labeled source and target samples, causing the model to be biased towards the source domain. Recent works in SSDA show that…

Computer Vision and Pattern Recognition · Computer Science 2022-09-07 Abhay Rawat , Isha Dua , Saurav Gupta , Rahul Tallamraju

Unsupervised domain adaptation (UDA) enables knowledge transfer from the labelled source domain to the unlabeled target domain by reducing the cross-domain discrepancy. However, most of the studies were based on direct adaptation from the…

Computer Vision and Pattern Recognition · Computer Science 2022-02-22 Qiuhao Zeng , Tianze Luo , Boyu Wang

Test-time adaptation is a special setting of unsupervised domain adaptation where a trained model on the source domain has to adapt to the target domain without accessing source data. We propose a novel way to leverage self-supervised…

Computer Vision and Pattern Recognition · Computer Science 2022-04-25 Dian Chen , Dequan Wang , Trevor Darrell , Sayna Ebrahimi

Domain adaptation is transfer learning which aims to generalize a learning model across training and testing data with different distributions. Most previous research tackle this problem in seeking a shared feature representation between…

Machine Learning · Computer Science 2017-04-17 Lingkun Luo , Xiaofang Wang , Shiqiang Hu , Chao Wang , Yuxing Tang , Liming Chen

Domain Adaptation (DA) targets at adapting a model trained over the well-labeled source domain to the unlabeled target domain lying in different distributions. Existing DA normally assumes the well-labeled source domain is class-wise…

Computer Vision and Pattern Recognition · Computer Science 2020-11-04 Tongxin Wang , Zhengming Ding , Wei Shao , Haixu Tang , Kun Huang

Partial Domain adaptation (PDA) aims to solve a more practical cross-domain learning problem that assumes target label space is a subset of source label space. However, the mismatched label space causes significant negative transfer. A…

Computer Vision and Pattern Recognition · Computer Science 2021-09-21 Jian Hu , Hongya Tuo , Shizhao Zhang , Chao Wang , Haowen Zhong , Zhikang Zou , Zhongliang Jing , Henry Leung , Ruping Zou

Unsupervised domain adaptation (UDA) aims to solve the problem of knowledge transfer from labeled source domain to unlabeled target domain. Recently, many domain adaptation (DA) methods use centroid to align the local distribution of…

Computer Vision and Pattern Recognition · Computer Science 2021-05-12 Huihuang Chen , Li Li , Jie Chen , Kuo-Yi Lin

Unsupervised domain adaptation uses source data from different distributions to solve the problem of classifying data from unlabeled target domains. However, conventional methods require access to source data, which often raise concerns…

Computer Vision and Pattern Recognition · Computer Science 2023-12-14 Yuqi Chen , Xiangbin Zhu , Yonggang Li , Yingjian Li , Haojie Fang

Given labeled instances on a source domain and unlabeled ones on a target domain, unsupervised domain adaptation aims to learn a task classifier that can well classify target instances. Recent advances rely on domain-adversarial training of…

Computer Vision and Pattern Recognition · Computer Science 2019-12-18 Hui Tang , Kui Jia

We investigate a practical domain adaptation task, called source-free domain adaptation (SFUDA), where the source-pretrained model is adapted to the target domain without access to the source data. Existing techniques mainly leverage…

Computer Vision and Pattern Recognition · Computer Science 2022-11-15 Ziyi Zhang , Weikai Chen , Hui Cheng , Zhen Li , Siyuan Li , Liang Lin , Guanbin Li

Recent advances in domain adaptation reveal that adversarial learning on deep neural networks can learn domain invariant features to reduce the shift between source and target domains. While such adversarial approaches achieve domain-level…

Computer Vision and Pattern Recognition · Computer Science 2023-01-11 Nishant Yadav , Mahbubul Alam , Ahmed Farahat , Dipanjan Ghosh , Chetan Gupta , Auroop R. Ganguly

Domain Adaptation (DA) techniques are important for overcoming the domain shift between the source domain used for training and the target domain where testing takes place. However, current DA methods assume that the entire target domain is…

Computer Vision and Pattern Recognition · Computer Science 2021-04-09 Abu Md Niamul Taufique , Chowdhury Sadman Jahan , Andreas Savakis

Domain adaptation (DA) addresses the challenge of transferring knowledge from a source domain to a target domain where image data distributions may differ. Existing DA methods often require access to source domain data, adversarial…

Computer Vision and Pattern Recognition · Computer Science 2026-01-29 Debopom Sutradhar , Md. Abdur Rahman , Mohaimenul Azam Khan Raiaan , Reem E. Mohamed , Sami Azam

Domain adaptation seeks to leverage the abundant label information in a source domain to improve classification performance in a target domain with limited labels. While the field has seen extensive methodological development, its…

Machine Learning · Statistics 2025-07-31 Elif Vural , Huseyin Karaca