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The recent success of neural machine translation models relies on the availability of high quality, in-domain data. Domain adaptation is required when domain-specific data is scarce or nonexistent. Previous unsupervised domain adaptation…

Computation and Language · Computer Science 2019-08-29 Zi-Yi Dou , Junjie Hu , Antonios Anastasopoulos , Graham Neubig

Unsupervised domain adaptation in person re-identification resorts to labeled source data to promote the model training on target domain, facing the dilemmas caused by large domain shift and large camera variations. The non-overlapping…

Computer Vision and Pattern Recognition · Computer Science 2019-05-15 Chuan-Xian Ren , Bo-Hua Liang , Zhen Lei

Unsupervised domain adaptation (UDA) aims to transfer knowledge learned from a fully-labeled source domain to a different unlabeled target domain. Most existing UDA methods learn domain-invariant feature representations by minimizing…

Computer Vision and Pattern Recognition · Computer Science 2022-05-10 Rui Wang , Zuxuan Wu , Zejia Weng , Jingjing Chen , Guo-Jun Qi , Yu-Gang Jiang

Class imbalance naturally exists when train and test models in different domains. Unsupervised domain adaptation (UDA) augments model performance with only accessible annotations from the source domain and unlabeled data from the target…

Computation and Language · Computer Science 2022-05-27 Yuexin Wu , Xiaolei Huang

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…

Machine Learning · Computer Science 2020-06-11 Xiang Jiang , Qicheng Lao , Stan Matwin , Mohammad Havaei

Universal domain adaptation (UniDA) aims to transfer the knowledge from a labeled source domain to an unlabeled target domain without any assumptions of the label sets, which requires distinguishing the unknown samples from the known ones…

Computer Vision and Pattern Recognition · Computer Science 2024-10-02 Yifan Wang , Lin Zhang , Ran Song , Paul L. Rosin , Yibin Li , Wei Zhang

Deep domain adaptation models learn a neural network in an unlabeled target domain by leveraging the knowledge from a labeled source domain. This can be achieved by learning a domain-invariant feature space. Though the learned…

Machine Learning · Computer Science 2020-03-13 Yinghua Zhang , Yu Zhang , Ying Wei , Kun Bai , Yangqiu Song , Qiang Yang

Unsupervised domain adaptation methods seek to generalize effectively on unlabeled test data, especially when encountering the common challenge in time series data that distribution shifts occur between training and testing datasets. In…

Machine Learning · Computer Science 2025-08-27 Weide Liu , Xiaoyang Zhong , Lu Wang , Jingwen Hou , Yuemei Luo , Jiebin Yan , Yuming Fang

Domain adaptation approaches seek to learn from a source domain and generalize it to an unseen target domain. At present, the state-of-the-art unsupervised domain adaptation approaches for subjective text classification problems leverage…

Machine Learning · Computer Science 2020-10-22 Jitin Krishnan , Hemant Purohit , Huzefa Rangwala

A central problem in unsupervised domain adaptation is determining what to transfer from labeled source domains to an unlabeled target domain. To handle high-dimensional observations (e.g., images), a line of approaches use deep learning to…

Machine Learning · Computer Science 2026-04-28 Ignavier Ng , Yan Li , Zijian Li , Yujia Zheng , Guangyi Chen , Kun Zhang

Reducing domain divergence is a key step in transfer learning problems. Existing works focus on the minimization of global domain divergence. However, two domains may consist of several shared subdomains, and differ from each other in each…

Machine Learning · Computer Science 2020-05-08 Pengfei Wei , Yiping Ke , Xinghua Qu , Tze-Yun Leong

Given labeled instances on a source domain and unlabeled ones on a target domain, unsupervised domain adaptation aims to learn a task classifier that can well classify target instances. Recent advances rely on domain-adversarial training of…

Computer Vision and Pattern Recognition · Computer Science 2019-12-18 Hui Tang , Kui Jia

Significant advances have been made towards building accurate automatic segmentation systems for a variety of biomedical applications using machine learning. However, the performance of these systems often degrades when they are applied on…

Methods for unsupervised domain adaptation (UDA) help to improve the performance of deep neural networks on unseen domains without any labeled data. Especially in medical disciplines such as histopathology, this is crucial since large…

Computer Vision and Pattern Recognition · Computer Science 2023-02-03 Kevin Thandiackal , Luigi Piccinelli , Pushpak Pati , Orcun Goksel

We consider the novel problem of unsupervised domain adaptation of source models, without access to the source data for semantic segmentation. Unsupervised domain adaptation aims to adapt a model learned on the labeled source data, to a new…

Computer Vision and Pattern Recognition · Computer Science 2021-12-07 Sujoy Paul , Ansh Khurana , Gaurav Aggarwal

Although unsupervised domain adaptation methods have been widely adopted across several computer vision tasks, it is more desirable if we can exploit a few labeled data from new domains encountered in a real application. The novel setting…

Computer Vision and Pattern Recognition · Computer Science 2020-07-21 Taekyung Kim , Changick Kim

Semantic segmentation has achieved significant advances in recent years. While deep neural networks perform semantic segmentation well, their success rely on pixel level supervision which is expensive and time-consuming. Further, training…

Computer Vision and Pattern Recognition · Computer Science 2020-12-14 Ying Chen , Xu Ouyang , Kaiyue Zhu , Gady Agam

Recent work has shown the importance of adaptation of broad-coverage contextualised embedding models on the domain of the target task of interest. Current self-supervised adaptation methods are simplistic, as the training signal comes from…

Computation and Language · Computer Science 2020-10-06 Thuy-Trang Vu , Dinh Phung , Gholamreza Haffari

While deep learning has led to significant advances in visual recognition over the past few years, such advances often require a lot of annotated data. Unsupervised domain adaptation has emerged as an alternative approach that does not…

Computer Vision and Pattern Recognition · Computer Science 2018-12-03 Yunhan Zhao , Haider Ali , Rene Vidal

To reduce annotation labor associated with object detection, an increasing number of studies focus on transferring the learned knowledge from a labeled source domain to another unlabeled target domain. However, existing methods assume that…

Computer Vision and Pattern Recognition · Computer Science 2021-07-01 Xingxu Yao , Sicheng Zhao , Pengfei Xu , Jufeng Yang