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Many recent machine learning tasks focus to develop models that can generalize to unseen distributions. Domain generalization (DG) has become one of the key topics in various fields. Several literatures show that DG can be arbitrarily hard…

Machine Learning · Computer Science 2023-05-11 Yi-Fan Zhang , Xue Wang , Kexin Jin , Kun Yuan , Zhang Zhang , Liang Wang , Rong Jin , Tieniu Tan

Classical Domain Adaptation methods acquire transferability by regularizing the overall distributional discrepancies between features in the source domain (labeled) and features in the target domain (unlabeled). They often do not…

Machine Learning · Computer Science 2023-06-01 Shumin Ma , Zhiri Yuan , Qi Wu , Yiyan Huang , Xixu Hu , Cheuk Hang Leung , Dongdong Wang , Zhixiang Huang

Unsupervised domain adaptation aims to transfer and adapt knowledge learned from a labeled source domain to an unlabeled target domain. Key components of unsupervised domain adaptation include: (a) maximizing performance on the target, and…

Machine Learning · Statistics 2019-12-20 Kowshik Thopalli , Jayaraman J. Thiagarajan , Rushil Anirudh , Pavan Turaga

Transfer learning has achieved promising results by leveraging knowledge from the source domain to annotate the target domain which has few or none labels. Existing methods often seek to minimize the distribution divergence between domains,…

Machine Learning · Computer Science 2018-07-03 Jindong Wang , Yiqiang Chen , Shuji Hao , Wenjie Feng , Zhiqi Shen

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

In the absence of labeled target data, unsupervised domain adaptation approaches seek to align the marginal distributions of the source and target domains in order to train a classifier for the target. Unsupervised domain alignment…

Computer Vision and Pattern Recognition · Computer Science 2024-03-13 Sachin Chhabra , Hemanth Venkateswara , Baoxin Li

This paper proposes a novel online evaluation protocol for Test Time Adaptation (TTA) methods, which penalizes slower methods by providing them with fewer samples for adaptation. TTA methods leverage unlabeled data at test time to adapt to…

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

Test-time adaptation (TTA) aims to improve model generalizability when test data diverges from training distribution, offering the distinct advantage of not requiring access to training data and processes, especially valuable in the context…

Machine Learning · Computer Science 2024-02-28 Yige Yuan , Bingbing Xu , Liang Hou , Fei Sun , Huawei Shen , Xueqi Cheng

Source-free domain adaptation (SFDA) has been exploited for cross-domain bearing fault diagnosis without access to source data. Current methods select partial target samples with reliable pseudo-labels for model adaptation, which is…

Machine Learning · Computer Science 2025-03-13 Wenyi Wu , Hao Zhang , Zhisen Wei , Xiao-Yuan Jing , Qinghua Zhang , Songsong Wu

We propose a method for unsupervised domain adaptation that trains a shared embedding to align the joint distributions of inputs (domain) and outputs (classes), making any classifier agnostic to the domain. Joint alignment ensures that not…

Machine Learning · Computer Science 2019-05-28 Safa Cicek , Stefano Soatto

The goal of domain adaptation is to adapt models learned on a source domain to a particular target domain. Most methods for unsupervised domain adaptation proposed in the literature to date, assume that the set of classes present in the…

Computer Vision and Pattern Recognition · Computer Science 2016-03-29 Ayush Mittal , Anant Raj , Vinay P. Namboodiri , Tinne Tuytelaars

Unsupervised domain adaptation (UDA) has witnessed remarkable advancements in improving the accuracy of models for unlabeled target domains. However, the calibration of predictive uncertainty in the target domain, a crucial aspect of the…

Machine Learning · Computer Science 2023-07-17 Dapeng Hu , Jian Liang , Xinchao Wang , Chuan-Sheng Foo

Unwanted samples from private source categories in the learning objective of a partial domain adaptation setup can lead to negative transfer and reduce classification performance. Existing methods, such as re-weighting or aggregating target…

Computer Vision and Pattern Recognition · Computer Science 2023-10-20 Sandipan Choudhuri , Arunabha Sen

In the context of supervised statistical learning, it is typically assumed that the training set comes from the same distribution that draws the test samples. When this is not the case, the behavior of the learned model is unpredictable and…

Machine Learning · Computer Science 2022-05-12 Antonio-Javier Gallego , Jorge Calvo-Zaragoza , Robert B. Fisher

In real-world scenarios, tabular data often suffer from distribution shifts that threaten the performance of machine learning models. Despite its prevalence and importance, handling distribution shifts in the tabular domain remains…

Machine Learning · Computer Science 2025-02-13 Changhun Kim , Taewon Kim , Seungyeon Woo , June Yong Yang , Eunho Yang

Unsupervised domain adaptation (UDA) aims to transfer the knowledge on a labeled source domain distribution to perform well on an unlabeled target domain. Recently, the deep self-training involves an iterative process of predicting on the…

Computer Vision and Pattern Recognition · Computer Science 2021-01-05 Xiaofeng Liu , Bo Hu , Xiongchang Liu , Jun Lu , Jane You , Lingsheng Kong

Recently, test-time adaptation has garnered attention as a method for tuning models without labeled data. The conventional modus operandi for adapting pre-trained vision-language models (VLMs) during test-time primarily focuses on tuning…

Computer Vision and Pattern Recognition · Computer Science 2025-02-11 Raza Imam , Asif Hanif , Jian Zhang , Khaled Waleed Dawoud , Yova Kementchedjhieva , Mohammad Yaqub

3D object detection networks tend to be biased towards the data they are trained on. Evaluation on datasets captured in different locations, conditions or sensors than that of the training (source) data results in a drop in model…

Computer Vision and Pattern Recognition · Computer Science 2021-12-02 Deepti Hegde , Vishal M. Patel

Domain generalization aims to learn a prediction model on multi-domain source data such that the model can generalize to a target domain with unknown statistics. Most existing approaches have been developed under the assumption that the…

Computer Vision and Pattern Recognition · Computer Science 2021-09-01 Jin Kim , Jiyoung Lee , Jungin Park , Dongbo Min , Kwanghoon Sohn