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Unsupervised Domain Adaptation (UDA) aims at improving the generalization capability of a model trained on a source domain to perform well on a target domain for which no labeled data is available. In this paper, we consider the semantic…

Computer Vision and Pattern Recognition · Computer Science 2020-04-28 Teo Spadotto , Marco Toldo , Umberto Michieli , Pietro Zanuttigh

Unsupervised Domain Adaptation (UDA) is an effective approach to tackle the issue of domain shift. Specifically, UDA methods try to align the source and target representations to improve the generalization on the target domain. Further, UDA…

Computer Vision and Pattern Recognition · Computer Science 2023-03-22 Vibashan VS , Poojan Oza , Vishal M. Patel

We propose a hypothesis disparity regularized mutual information maximization~(HDMI) approach to tackle unsupervised hypothesis transfer -- as an effort towards unifying hypothesis transfer learning (HTL) and unsupervised domain adaptation…

Machine Learning · Computer Science 2020-12-16 Qicheng Lao , Xiang Jiang , Mohammad Havaei

Existing methods for unsupervised domain adaptation often rely on minimizing some statistical distance between the source and target samples in the latent space. To avoid the sampling variability, class imbalance, and data-privacy concerns…

Machine Learning · Computer Science 2021-10-26 Korawat Tanwisuth , Xinjie Fan , Huangjie Zheng , Shujian Zhang , Hao Zhang , Bo Chen , Mingyuan Zhou

We address the source-free domain adaptation (SFDA) problem, where only the source model is available during adaptation to the target domain. We consider two settings: the offline setting where all target data can be visited multiple times…

Computer Vision and Pattern Recognition · Computer Science 2023-06-13 Shiqi Yang , Yaxing Wang , Joost van de Weijer , Luis Herranz , Shangling Jui

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…

Computer Vision and Pattern Recognition · Computer Science 2021-11-09 Zhongying Deng , Kaiyang Zhou , Yongxin Yang , Tao Xiang

This paper introduces a novel approach to leverage the generalizability of Diffusion Models for Source-Free Domain Adaptation (DM-SFDA). Our proposed DMSFDA method involves fine-tuning a pre-trained text-to-image diffusion model to generate…

Computer Vision and Pattern Recognition · Computer Science 2024-06-28 Shivang Chopra , Suraj Kothawade , Houda Aynaou , Aman Chadha

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

Domain Adaptation (DA) aims to generalize the classifier learned from the source domain to the target domain. Existing DA methods usually assume that rich labels could be available in the source domain. However, there are usually a large…

Computer Vision and Pattern Recognition · Computer Science 2020-05-11 Wei Wang , Zhihui Wang , Yuankai Xiang , Jing Sun , Haojie Li , Fuming Sun , Zhengming Ding

Semi-supervised heterogeneous domain adaptation (SHDA) addresses learning across domains with distinct feature representations and distributions, where source samples are labeled while most target samples are unlabeled, with only a small…

Machine Learning · Computer Science 2025-02-20 Yuan Yao , Xiaopu Zhang , Yu Zhang , Jian Jin , Qiang Yang

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

Person re-identification (Re-ID) aims to match images of the same individual across non-overlapping camera views and remains challenging due to domain shifts caused by variations in illumination, background, camera characteristics, and…

Computer Vision and Pattern Recognition · Computer Science 2026-05-04 Sundas Iqbal , Qing Tian , Danish Ali , Jianping Gou , Weihua Oue

Standard Unsupervised Domain Adaptation (UDA) aims to transfer knowledge from a labeled source domain to an unlabeled target but usually requires simultaneous access to both source and target data. Moreover, UDA approaches commonly assume…

Computer Vision and Pattern Recognition · Computer Science 2024-04-17 Mattia Litrico , Davide Talon , Sebastiano Battiato , Alessio Del Bue , Mario Valerio Giuffrida , Pietro Morerio

We present a novel approach for unsupervised road segmentation in adverse weather conditions such as rain or fog. This includes a new algorithm for source-free domain adaptation (SFDA) using self-supervised learning. Moreover, our approach…

Computer Vision and Pattern Recognition · Computer Science 2025-02-13 Divya Kothandaraman , Rohan Chandra , Dinesh Manocha

Traditional machine learning assumes that training and test sets are derived from the same distribution; however, this assumption does not always hold in practical applications. This distribution disparity can lead to severe performance…

Machine Learning · Computer Science 2025-02-18 Ahmad Chaddad , Yihang Wu , Yuchen Jiang , Ahmed Bouridane , Christian Desrosiers

Domain adaptation aims to alleviate the domain shift when transferring the knowledge learned from the source domain to the target domain. Due to privacy issues, source-free domain adaptation (SFDA), where source data is unavailable during…

Computer Vision and Pattern Recognition · Computer Science 2023-10-16 Jiamei Liu , Han Sun , Yizhen Jia , Jie Qin , Huiyu Zhou , Ningzhong Liu

Domain adaptation (DA) addresses the challenge of transferring knowledge from a source domain to a target domain where image data distributions may differ. Existing DA methods often require access to source domain data, adversarial…

Computer Vision and Pattern Recognition · Computer Science 2026-01-29 Debopom Sutradhar , Md. Abdur Rahman , Mohaimenul Azam Khan Raiaan , Reem E. Mohamed , Sami Azam

Unsupervised domain adaptation (UDA) is the task of modifying a statistical model trained on labeled data from a source domain to achieve better performance on data from a target domain, with access to only unlabeled data in the target…

Computation and Language · Computer Science 2023-04-06 Timothy A Miller

Deep learning (DL) has been the primary approach used in various computer vision tasks due to its relevant results achieved on many tasks. However, on real-world scenarios with partially or no labeled data, DL methods are also prone to the…

Computer Vision and Pattern Recognition · Computer Science 2022-08-25 Lucas Fernando Alvarenga e Silva , Daniel Carlos Guimarães Pedronette , Fábio Augusto Faria , João Paulo Papa , Jurandy Almeida

Recent domain adaptation methods have demonstrated impressive improvement on unsupervised domain adaptation problems. However, in the semi-supervised domain adaptation (SSDA) setting where the target domain has a few labeled instances…

Computer Vision and Pattern Recognition · Computer Science 2020-12-08 Bingyu Liu , Yuhong Guo , Jieping Ye , Weihong Deng