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Source-free Domain Adaptation (SFDA) aims to adapt a pre-trained source model to the unlabeled target domain without accessing the well-labeled source data, which is a much more practical setting due to the data privacy, security, and…

Computer Vision and Pattern Recognition · Computer Science 2022-07-19 Sanqing Qu , Guang Chen , Jing Zhang , Zhijun Li , Wei He , Dacheng Tao

Domain adaptation is a potential method to train a powerful deep neural network, which can handle the absence of labeled data. More precisely, domain adaptation solving the limitation called dataset bias or domain shift when the training…

Computer Vision and Pattern Recognition · Computer Science 2022-10-20 Thai-Vu Nguyen , Anh Nguyen , Nghia Le , Bac Le

Domain Adaptation (DA) attempts to transfer knowledge learned in the labeled source domain to the unlabeled but related target domain without requiring large amounts of target supervision. Recent advances in DA mainly proceed by aligning…

Computer Vision and Pattern Recognition · Computer Science 2021-03-24 Shuang Li , Binhui Xie , Qiuxia Lin , Chi Harold Liu , Gao Huang , Guoren Wang

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

Semi-supervised domain adaptation (SSDA) is quite a challenging problem requiring methods to overcome both 1) overfitting towards poorly annotated data and 2) distribution shift across domains. Unfortunately, a simple combination of domain…

Computer Vision and Pattern Recognition · Computer Science 2022-12-07 Can Qin , Lichen Wang , Qianqian Ma , Yu Yin , Huan Wang , Yun Fu

Semantic segmentation requires a lot of training data, which necessitates costly annotation. There have been many studies on unsupervised domain adaptation (UDA) from one domain to another, e.g., from computer graphics to real images.…

Computer Vision and Pattern Recognition · Computer Science 2022-10-07 Zhijie Wang , Xing Liu , Masanori Suganuma , Takayuki Okatani

Domain adaptation is critical for learning in new and unseen environments. With domain adversarial training, deep networks can learn disentangled and transferable features that effectively diminish the dataset shift between the source and…

Computer Vision and Pattern Recognition · Computer Science 2019-04-09 Zhangjie Cao , Kaichao You , Mingsheng Long , Jianmin Wang , Qiang Yang

Source-Free Domain Adaptation (SFDA) tackles the problem of adapting a pre-trained source model to an unlabeled target domain without accessing any source data, which is quite suitable for the field of data security. Although recent…

Computer Vision and Pattern Recognition · Computer Science 2026-02-10 Shanshan Wang , Ziying Feng , Xiaozheng Shen , Xun Yang , Pichao Wang , Zhenwei He , Xingyi Zhang

Early Unsupervised Domain Adaptation (UDA) methods have mostly assumed the setting of a single source domain, where all the labeled source data come from the same distribution. However, in practice the labeled data can come from multiple…

Machine Learning · Computer Science 2020-03-31 Zhenpeng Li , Zhen Zhao , Yuhong Guo , Haifeng Shen , Jieping Ye

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

Existing domain adaptation methods aim to reduce the distributional difference between the source and target domains and respect their specific discriminative information, by establishing the Maximum Mean Discrepancy (MMD) and the…

Machine Learning · Computer Science 2020-07-03 Wei Wang , Haojie Li , Zhengming Ding , Zhihui Wang

Test-time adaptation (TTA) has gained increasing popularity due to its efficacy in addressing ``distribution shift'' issue while simultaneously protecting data privacy. However, most prior methods assume that a paired source domain model…

Computer Vision and Pattern Recognition · Computer Science 2025-09-24 Aiming Zhang , Tianyuan Yu , Liang Bai , Jun Tang , Yanming Guo , Yirun Ruan , Yun Zhou , Zhihe Lu

With the wide application of computer vision in agriculture, image analysis has become the key to tasks such as crop health monitoring and pest detection. However, the significant domain shifts caused by environmental changes, different…

Computer Vision and Pattern Recognition · Computer Science 2025-09-03 Xing Hu , Siyuan Chen , Qianqian Duan , Choon Ki Ahn , Huiliang Shang , Dawei Zhang

In this paper, we propose to tackle the problem of reducing discrepancies between multiple domains referred to as multi-source domain adaptation and consider it under the target shift assumption: in all domains we aim to solve a…

Machine Learning · Statistics 2019-03-15 Ievgen Redko , Nicolas Courty , Rémi Flamary , Devis Tuia

Domain Adaptation (DA) is a method for enhancing a model's performance on a target domain with inadequate annotated data by applying the information the model has acquired from a related source domain with sufficient labeled data. The…

Computer Vision and Pattern Recognition · Computer Science 2024-02-08 Shivang Chopra , Suraj Kothawade , Houda Aynaou , Aman Chadha

Unsupervised domain adaptation (UDA) is a technique used to transfer knowledge from a labeled source domain to a different but related unlabeled target domain. While many UDA methods have shown success in the past, they often assume that…

Machine Learning · Computer Science 2023-02-07 Yiling Liu , Juncheng Dong , Ziyang Jiang , Ahmed Aloui , Keyu Li , Hunter Klein , Vahid Tarokh , David Carlson

Conventional domain adaptation typically transfers knowledge from a source domain to a stationary target domain. However, in many real-world cases, target data usually emerge sequentially and have continuously evolving distributions.…

Computer Vision and Pattern Recognition · Computer Science 2024-02-08 Gangming Zhao , Chaoqi Chen , Wenhao He , Chengwei Pan , Chaowei Fang , Jinpeng Li , Xilin Chen , Yizhou Yu

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 (UDA) aims to mitigate performance degradation when training and testing data are sampled from different distributions. While significant progress has been made in enhancing overall accuracy, most existing…

Machine Learning · Computer Science 2026-01-27 Yuguang Zhang , Lijun Sheng , Jian Liang , Ran He

Domain adaptation (DA) techniques have the potential in machine learning to alleviate distribution differences between training and test sets by leveraging information from source domains. In image classification, most advances in DA have…

Computer Vision and Pattern Recognition · Computer Science 2025-08-29 Ahmad Chaddad , Yihang Wu , Reem Kateb , Christian Desrosiers