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Domain Adaptation (DA), the process of effectively adapting task models learned on one domain, the source, to other related but distinct domains, the targets, with no or minimal retraining, is typically accomplished using the process of…

计算机视觉与模式识别 · 计算机科学 2019-09-30 Behnam Gholami , Pritish Sahu , Minyoung Kim , Vladimir Pavlovic

Unsupervised domain transfer is the task of transferring or translating samples from a source distribution to a different target distribution. Current solutions unsupervised domain transfer often operate on data on which the modes of the…

机器学习 · 计算机科学 2019-05-31 Mikołaj Bińkowski , R Devon Hjelm , Aaron Courville

We study a problem of best-effort adaptation motivated by several applications and considerations, which consists of determining an accurate predictor for a target domain, for which a moderate amount of labeled samples are available, while…

机器学习 · 计算机科学 2023-05-11 Pranjal Awasthi , Corinna Cortes , Mehryar Mohri

Unsupervised domain adaptation challenges the problem of transferring knowledge from a well-labelled source domain to an unlabelled target domain. Recently,adversarial learning with bi-classifier has been proven effective in pushing…

计算机视觉与模式识别 · 计算机科学 2020-12-15 Shuang Li , Fangrui Lv , Binhui Xie , Chi Harold Liu , Jian Liang , Chen Qin

Unsupervised domain adaptation (UDA) methods facilitate the transfer of models to target domains without labels. However, these methods necessitate a labeled target validation set for hyper-parameter tuning and model selection. In this…

计算机视觉与模式识别 · 计算机科学 2023-09-19 Minghao Chen , Zepeng Gao , Shuai Zhao , Qibo Qiu , Wenxiao Wang , Binbin Lin , Xiaofei He

We present an approach for unsupervised domain adaptation---with a strong focus on practical considerations of within-domain class imbalance and between-domain class distribution shift---from a class-conditioned domain alignment…

机器学习 · 计算机科学 2020-06-11 Xiang Jiang , Qicheng Lao , Stan Matwin , Mohammad Havaei

We address the problem of unsupervised domain adaptation under the setting of generalized target shift (joint class-conditional and label shifts). For this framework, we theoretically show that, for good generalization, it is necessary to…

机器学习 · 计算机科学 2021-10-20 Alain Rakotomamonjy , Rémi Flamary , Gilles Gasso , Mokhtar Z. Alaya , Maxime Berar , Nicolas Courty

In many practical applications, it is often difficult and expensive to obtain large-scale labeled data to train state-of-the-art deep neural networks. Therefore, transferring the learned knowledge from a separate, labeled source domain to…

计算机视觉与模式识别 · 计算机科学 2024-05-03 Sicheng Zhao , Hui Chen , Hu Huang , Pengfei Xu , Guiguang Ding

Unsupervised domain adaptation enables intelligent models to transfer knowledge from a labeled source domain to a similar but unlabeled target domain. Recent study reveals that knowledge can be transferred from one source domain to another…

计算机视觉与模式识别 · 计算机科学 2020-11-06 Yueming Yin , Zhen Yang , Haifeng Hu , Xiaofu Wu

We study a new highly-practical problem setting that enables resource-constrained edge devices to adapt a pre-trained model to their local data distributions. Recognizing that device's data are likely to come from multiple latent domains…

机器学习 · 计算机科学 2024-02-02 Ondrej Bohdal , Da Li , Shell Xu Hu , Timothy Hospedales

A typical multi-source domain adaptation (MSDA) approach aims to transfer knowledge learned from a set of labeled source domains, to an unlabeled target domain. Nevertheless, prior works strictly assume that each source domain shares the…

机器学习 · 计算机科学 2022-07-13 Zixin Wang , Yadan Luo , Peng-Fei Zhang , Sen Wang , Zi Huang

Unsupervised domain adaptation studies the problem of utilizing a relevant source domain with abundant labels to build predictive modeling for an unannotated target domain. Recent work observe that the popular adversarial approach of…

机器学习 · 统计学 2020-01-06 Shen Yan , Huan Song , Nanxiang Li , Lincan Zou , Liu Ren

This work addresses two classification problems that fall under the heading of domain adaptation, wherein the distributions of training and testing examples differ. The first problem studied is that of class proportion estimation, which is…

机器学习 · 统计学 2014-02-25 Tyler Sanderson , Clayton Scott

Most existing multi-source domain adaptation (MSDA) methods minimize the distance between multiple source-target domain pairs via feature distribution alignment, an approach borrowed from the single source setting. However, with diverse…

计算机视觉与模式识别 · 计算机科学 2021-11-09 Zhongying Deng , Kaiyang Zhou , Yongxin Yang , Tao Xiang

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…

机器学习 · 计算机科学 2017-04-17 Lingkun Luo , Xiaofang Wang , Shiqiang Hu , Chao Wang , Yuxing Tang , Liming Chen

Unsupervised Domain Adaptation (UDA) makes predictions for the target domain data while manual annotations are only available in the source domain. Previous methods minimize the domain discrepancy neglecting the class information, which may…

计算机视觉与模式识别 · 计算机科学 2019-04-12 Guoliang Kang , Lu Jiang , Yi Yang , Alexander G Hauptmann

Appropriately evaluating the discrepancy between domains is essential for the success of unsupervised domain adaptation. In this paper, we first point out that existing discrepancy measures are less informative when complex models such as…

机器学习 · 统计学 2019-10-23 Jongyeong Lee , Nontawat Charoenphakdee , Seiichi Kuroki , Masashi Sugiyama

Practical real world datasets with plentiful categories introduce new challenges for unsupervised domain adaptation like small inter-class discriminability, that existing approaches relying on domain invariance alone cannot handle…

计算机视觉与模式识别 · 计算机科学 2023-10-13 Tarun Kalluri , Astuti Sharma , Manmohan Chandraker

Brain disorders are a major challenge to global health, causing millions of deaths each year. Accurate diagnosis of these diseases relies heavily on advanced medical imaging techniques such as Magnetic Resonance Imaging (MRI) and Computed…

计算机视觉与模式识别 · 计算机科学 2024-05-07 Xuran Zhu

We tackle an unsupervised domain adaptation problem for which the domain discrepancy between labeled source and unlabeled target domains is large, due to many factors of inter and intra-domain variation. While deep domain adaptation methods…

计算机视觉与模式识别 · 计算机科学 2020-08-26 Shuyang Dai , Kihyuk Sohn , Yi-Hsuan Tsai , Lawrence Carin , Manmohan Chandraker