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Multi-Source Domain Adaptation (MSDA) aims to mitigate changes in data distribution when transferring knowledge from multiple labeled source domains to an unlabeled target domain. However, existing MSDA techniques assume target domain…

Computer Vision and Pattern Recognition · Computer Science 2024-01-26 Zhenbin Wang , Lei Zhang , Lituan Wang , Minjuan Zhu

Optimal transport distances have found many applications in machine learning for their capacity to compare non-parametric probability distributions. Yet their algorithmic complexity generally prevents their direct use on large scale…

Machine Learning · Computer Science 2021-03-08 Kilian Fatras , Thibault Séjourné , Nicolas Courty , Rémi Flamary

The performance of a machine learning model degrades when it is applied to data from a similar but different domain than the data it has initially been trained on. To mitigate this domain shift problem, domain adaptation (DA) techniques…

Machine Learning · Computer Science 2024-10-08 Felix Ott , David Rügamer , Lucas Heublein , Bernd Bischl , Christopher Mutschler

Unsupervised domain adaptation studies how to transfer a learner from a labeled source domain to an unlabeled target domain with different distributions. Existing methods mainly focus on matching the marginal distributions of the source and…

Machine Learning · Computer Science 2022-03-08 Yi-Ming Zhai , You-Wei Luo

Domain adaptation considers the problem of generalising a model learnt using data from a particular source domain to a different target domain. Often it is difficult to find a suitable single source to adapt from, and one must consider…

Computation and Language · Computer Science 2020-04-20 Xia Cui , Danushka Bollegala

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…

Computer Vision and Pattern Recognition · Computer Science 2020-08-26 Shuyang Dai , Kihyuk Sohn , Yi-Hsuan Tsai , Lawrence Carin , Manmohan Chandraker

The task of unsupervised domain adaptation is proposed to transfer the knowledge of a label-rich domain (source domain) to a label-scarce domain (target domain). Matching feature distributions between different domains is a widely applied…

Machine Learning · Computer Science 2018-12-19 Toshihiko Matsuura , Kuniaki Saito , Tatsuya Harada

Conventional domain adaptation (DA) techniques aim to improve domain transferability by learning domain-invariant representations; while concurrently preserving the task-discriminability knowledge gathered from the labeled source data.…

Computer Vision and Pattern Recognition · Computer Science 2022-06-17 Jogendra Nath Kundu , Akshay Kulkarni , Suvaansh Bhambri , Deepesh Mehta , Shreyas Kulkarni , Varun Jampani , R. Venkatesh Babu

This paper presents a novel multi-task learning-based method for unsupervised domain adaptation. Specifically, the source and target domain classifiers are jointly learned by considering the geometry of target domain and the divergence…

Computer Vision and Pattern Recognition · Computer Science 2018-03-28 Jing Zhang , Wanqing Li , Philip Ogunbona

When learning a mapping from an input space to an output space, the assumption that the sample distribution of the training data is the same as that of the test data is often violated. Unsupervised domain shift methods adapt the learned…

Machine Learning · Computer Science 2017-03-07 Tomer Galanti , Lior Wolf

Transfer learning aims to faciliate learning tasks in a label-scarce target domain by leveraging knowledge from a related source domain with plenty of labeled data. Often times we may have multiple domains with little or no labeled data as…

Machine Learning · Computer Science 2017-11-10 Tianchun Wang

Current unsupervised domain adaptation methods can address many types of distribution shift, but they assume data from the source domain is freely available. As the use of pre-trained models becomes more prevalent, it is reasonable to…

Computer Vision and Pattern Recognition · Computer Science 2020-07-21 Roshni Sahoo , Divya Shanmugam , John Guttag

Traditional machine learning algorithms assume that the training and test data have the same distribution, while this assumption does not necessarily hold in real applications. Domain adaptation methods take into account the deviations in…

Machine Learning · Statistics 2019-02-26 Elif Vural

This paper solves a generalized version of the problem of multi-source model adaptation for semantic segmentation. Model adaptation is proposed as a new domain adaptation problem which requires access to a pre-trained model instead of data…

Computer Vision and Pattern Recognition · Computer Science 2022-12-07 Zongyao Li , Ren Togo , Takahiro Ogawa , Miki haseyama

Domain Adaptation has been widely used to deal with the distribution shift in vision, language, multimedia etc. Most domain adaptation methods learn domain-invariant features with data from both domains available. However, such a strategy…

Computer Vision and Pattern Recognition · Computer Science 2021-07-15 Ning Ma , Jiajun Bu , Lixian Lu , Jun Wen , Zhen Zhang , Sheng Zhou , Xifeng Yan

Standard supervised machine learning assumes that the distribution of the source samples used to train an algorithm is the same as the one of the target samples on which it is supposed to make predictions. However, as any data scientist…

Machine Learning · Computer Science 2020-02-12 Pirmin Lemberger , Ivan Panico

Domain adaptation (DA) is the task of classifying an unlabeled dataset (target) using a labeled dataset (source) from a related domain. The majority of successful DA methods try to directly match the distributions of the source and target…

Machine Learning · Statistics 2018-03-22 Twan van Laarhoven , Elena Marchiori

To remedy the drawbacks of full-mass or fixed-mass constraints in classical optimal transport, we propose adaptive optimal transport which is distinctive from the classical optimal transport in its ability of adaptive-mass preserving. It…

Machine Learning · Computer Science 2025-03-10 Pei Yang , Qi Tan , Guihua Wen

In domain adaptation, maximum mean discrepancy (MMD) has been widely adopted as a discrepancy metric between the distributions of source and target domains. However, existing MMD-based domain adaptation methods generally ignore the changes…

Computer Vision and Pattern Recognition · Computer Science 2017-05-02 Hongliang Yan , Yukang Ding , Peihua Li , Qilong Wang , Yong Xu , Wangmeng Zuo

Due to privacy, storage, and other constraints, there is a growing need for unsupervised domain adaptation techniques in machine learning that do not require access to the data used to train a collection of source models. Existing methods…

Machine Learning · Computer Science 2023-06-01 Maohao Shen , Yuheng Bu , Gregory Wornell