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Machine learning models are prone to overfitting their training (source) domains, which is commonly believed to be the reason why they falter in novel target domains. Here we examine the contrasting view that multi-source domain…

计算与语言 · 计算机科学 2022-10-26 Md Arafat Sultan , Avirup Sil , Radu Florian

Domain randomization (DR) is a successful technique for learning robust policies for robot systems, when the dynamics of the target robot system are unknown. The success of policies trained with domain randomization however, is highly…

机器学习 · 计算机科学 2019-09-18 Melissa Mozifian , Juan Camilo Gamboa Higuera , David Meger , Gregory Dudek

The goal of domain generalization algorithms is to predict well on distributions different from those seen during training. While a myriad of domain generalization algorithms exist, inconsistencies in experimental conditions -- datasets,…

机器学习 · 计算机科学 2020-07-06 Ishaan Gulrajani , David Lopez-Paz

Domain generalization (DG) is the problem of generalizing from several distributions (or domains), for which labeled training data are available, to a new test domain for which no labeled data is available. For the prevailing benchmark…

机器学习 · 计算机科学 2026-02-05 Yilun Zhu , Naihao Deng , Naichen Shi , Aditya Gangrade , Clayton Scott

Domain Generalization (DG) aims to train a model, from multiple observed source domains, in order to perform well on unseen target domains. To obtain the generalization capability, prior DG approaches have focused on extracting…

机器学习 · 计算机科学 2021-10-19 Manh-Ha Bui , Toan Tran , Anh Tuan Tran , Dinh Phung

Geographic distribution shift arises when the distribution of locations on Earth in a training dataset is different from what is seen at inference time. Using standard empirical risk minimization (ERM) in this setting can lead to uneven…

机器学习 · 计算机科学 2026-02-10 Ruth Crasto , Esther Rolf

The objective of Domain Generalization (DG) is to devise algorithms and models capable of achieving high performance on previously unseen test distributions. In the pursuit of this objective, average measure has been employed as the…

机器学习 · 计算机科学 2024-06-04 Duhun Hwang , Suhyun Kang , Moonjung Eo , Jimyeong Kim , Wonjong Rhee

Latent variable models represent a useful tool for the analysis of complex data when the constructs of interest are not observable. A problem related to these models is that the integrals involved in the likelihood function cannot be solved…

统计方法学 · 统计学 2015-03-05 Silvia Bianconcini , Silvia Cagnone , Dimitris Rizopoulos

The objective of domain generalization (DG) is to enable models to be robust against domain shift. DG is crucial for deploying vision-language models (VLMs) in real-world applications, yet most existing methods rely on domain labels that…

机器学习 · 计算机科学 2026-02-02 Zhixing Li , Arsham Gholamzadeh Khoee , Yinan Yu

The primary objective of learning methods is generalization. Classic uniform generalization bounds, which rely on VC-dimension or Rademacher complexity, fail to explain the significant attribute that over-parameterized models in deep…

机器学习 · 计算机科学 2025-03-07 Lijia Yu , Yibo Miao , Yifan Zhu , Xiao-Shan Gao , Lijun Zhang

When machine learning models are deployed on a test distribution different from the training distribution, they can perform poorly, but overestimate their performance. In this work, we aim to better estimate a model's performance under…

机器学习 · 计算机科学 2020-07-08 Ching-Yao Chuang , Antonio Torralba , Stefanie Jegelka

Domain generalization aims at performing well on unseen test environments with data from a limited number of training environments. Despite a proliferation of proposal algorithms for this task, assessing their performance both theoretically…

机器学习 · 计算机科学 2021-11-24 Yining Chen , Elan Rosenfeld , Mark Sellke , Tengyu Ma , Andrej Risteski

Fine-tuning foundation models often compromises their robustness to distribution shifts. To remedy this, most robust fine-tuning methods aim to preserve the pre-trained features. However, not all pre-trained features are robust and those…

机器学习 · 计算机科学 2024-12-02 Kaican Li , Weiyan Xie , Yongxiang Huang , Didan Deng , Lanqing Hong , Zhenguo Li , Ricardo Silva , Nevin L. Zhang

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…

计算机视觉与模式识别 · 计算机科学 2021-09-01 Jin Kim , Jiyoung Lee , Jungin Park , Dongbo Min , Kwanghoon Sohn

The problem of domain generalization is to learn, given data from different source distributions, a model that can be expected to generalize well on new target distributions which are only seen through unlabeled samples. In this paper, we…

机器学习 · 计算机科学 2024-03-12 Markus Holzleitner , Sergei V. Pereverzyev , Werner Zellinger

Researchers have been facing a difficult problem that data generation mechanisms could be influenced by internal or external factors leading to the training and test data with quite different distributions, consequently traditional…

机器学习 · 统计学 2021-10-14 Anqi Wu

Domain adaptation arises as an important problem in statistical learning theory when the data-generating processes differ between training and test samples, respectively called source and target domains. Recent theoretical advances show…

机器学习 · 统计学 2022-10-25 Mourad El Hamri , Younès Bennani , Issam Falih

We provide two main contributions in PAC-Bayesian theory for domain adaptation where the objective is to learn, from a source distribution, a well-performing majority vote on a different, but related, target distribution. Firstly, we…

机器学习 · 统计学 2019-11-19 Pascal Germain , Amaury Habrard , François Laviolette , Emilie Morvant

Domain generalization (DG) methods aim to maintain good performance in an unseen target domain by using training data from multiple source domains. While success on certain occasions are observed, enhancing the baseline across most…

机器学习 · 计算机科学 2024-10-28 Liang Chen , Yong Zhang , Yibing Song , Zhiqiang Shen , Lingqiao Liu

We are concerned with learning models that generalize well to different \emph{unseen} domains. We consider a worst-case formulation over data distributions that are near the source domain in the feature space. Only using training data from…

计算机视觉与模式识别 · 计算机科学 2018-11-07 Riccardo Volpi , Hongseok Namkoong , Ozan Sener , John Duchi , Vittorio Murino , Silvio Savarese