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Related papers: Upcycling Models under Domain and Category Shift

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Multi-Source Unsupervised Domain Adaptation (multi-source UDA) aims to learn a model from several labeled source domains while performing well on a different target domain where only unlabeled data are available at training time. To align…

Computer Vision and Pattern Recognition · Computer Science 2021-09-28 Marin Scalbert , Maria Vakalopoulou , Florent Couzinié-Devy

Unsupervised domain adaptation (UDA) transfers knowledge from a label-rich source domain to a fully-unlabeled target domain. To tackle this task, recent approaches resort to discriminative domain transfer in virtue of pseudo-labels to…

Computer Vision and Pattern Recognition · Computer Science 2019-05-21 Chaoqi Chen , Weiping Xie , Wenbing Huang , Yu Rong , Xinghao Ding , Yue Huang , Tingyang Xu , Junzhou Huang

Unsupervised domain adaptation (UDA) becomes more and more popular in tackling real-world problems without ground truth of the target domain. Though tedious annotation work is not required, UDA unavoidably faces two problems: 1) how to…

Computer Vision and Pattern Recognition · Computer Science 2022-01-26 Zhiming Wang , Yantian Luo , Danlan Huang , Ning Ge , Jianhua Lu

A foundational requirement of a deployed ML model is to generalize to data drawn from a testing distribution that is different from training. A popular solution to this problem is to adapt a pre-trained model to novel domains using only…

Computer Vision and Pattern Recognition · Computer Science 2022-07-12 Kowshik Thopalli , Pavan Turaga , Jayaraman J. Thiagarajan

Unsupervised domain adaptation (UDA) is an emerging research topic in the field of machine learning and pattern recognition, which aims to help the learning of unlabeled target domain by transferring knowledge from the source domain.

Machine Learning · Computer Science 2021-12-28 Qing Tian , Yanan Zhu , Chuang Ma , Meng Cao

Source-Free Domain Adaptation (SFDA) seeks to adapt a source model, which is pre-trained on a supervised source domain, for a target domain, with only access to unlabeled target training data. Relying on pseudo labeling and/or auxiliary…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Song Tang , Yunxiang Bai , Wenxin Su , Mao Ye , Jianwei Zhang , Xiatian Zhu

Deep learning approaches for semantic segmentation rely primarily on supervised learning approaches and require substantial efforts in producing pixel-level annotations. Further, such approaches may perform poorly when applied to unseen…

Computer Vision and Pattern Recognition · Computer Science 2021-10-22 Ying Chen , Xu Ouyang , Kaiyue Zhu , Gady Agam

Over the last decade, graph neural networks (GNNs) have made significant progress in numerous graph machine learning tasks. In real-world applications, where domain shifts occur and labels are often unavailable for a new target domain,…

Machine Learning · Computer Science 2024-11-21 Zepeng Zhang , Olga Fink

Multi-source unsupervised domain adaptation~(MSDA) aims at adapting models trained on multiple labeled source domains to an unlabeled target domain. In this paper, we propose a novel multi-source domain adaptation framework based on…

Computer Vision and Pattern Recognition · Computer Science 2021-06-21 Jianzhong He , Xu Jia , Shuaijun Chen , Jianzhuang Liu

Unsupervised multi-source domain adaptation (UMDA) leverages labeled data from multiple source domains to generalize to an unlabeled target. While federated UMDA addresses privacy by avoiding raw data sharing, existing methods scale poorly…

Machine Learning · Computer Science 2026-05-06 Larissa Reichart , Cem Ata Baykara , Ali Burak Ünal , Harlin Lee , Mete Akgün

Source-free domain adaptation (SFDA) is compelling because it allows adapting an off-the-shelf model to a new domain using only unlabelled data. In this work, we apply existing SFDA techniques to a challenging set of naturally-occurring…

Machine Learning · Computer Science 2023-06-27 Malik Boudiaf , Tom Denton , Bart van Merriënboer , Vincent Dumoulin , Eleni Triantafillou

Source-free Unsupervised Domain Adaptation (SF-UDA) aims to transfer a model's performance from a labeled source domain to an unlabeled target domain without direct access to source samples, addressing critical data privacy concerns.…

Computer Vision and Pattern Recognition · Computer Science 2024-10-29 Yongguang Li , Yueqi Cao , Jindong Li , Qi Wang , Shengsheng Wang

Universal Domain Adaptation (UNDA) aims to handle both domain-shift and category-shift between two datasets, where the main challenge is to transfer knowledge while rejecting unknown classes which are absent in the labeled source data but…

Computer Vision and Pattern Recognition · Computer Science 2021-08-25 Kuniaki Saito , Kate Saenko

Many variants of unsupervised domain adaptation (UDA) problems have been proposed and solved individually. Its side effect is that a method that works for one variant is often ineffective for or not even applicable to another, which has…

Computer Vision and Pattern Recognition · Computer Science 2021-06-04 Yu Mitsuzumi , Go Irie , Daiki Ikami , Takashi Shibata

Unsupervised domain adaptation (UDA) assumes that source and target domain data are freely available and usually trained together to reduce the domain gap. However, considering the data privacy and the inefficiency of data transmission, it…

Computer Vision and Pattern Recognition · Computer Science 2020-12-11 Xianfeng Li , Weijie Chen , Di Xie , Shicai Yang , Peng Yuan , Shiliang Pu , Yueting Zhuang

In the face of the deep learning model's vulnerability to domain shift, source-free domain adaptation (SFDA) methods have been proposed to adapt models to new, unseen target domains without requiring access to source domain data. Although…

Computer Vision and Pattern Recognition · Computer Science 2024-03-19 Uiwon Hwang , Jonghyun Lee , Juhyeon Shin , Sungroh Yoon

Unsupervised Domain Adaptation (UDA) aims to adapt a model trained on a labeled source domain to an unlabeled target domain by addressing the domain shift. Existing Unsupervised Domain Adaptation (UDA) methods often fall short in fully…

Computer Vision and Pattern Recognition · Computer Science 2024-10-11 Junzhou Chen , Xuan Wen , Ronghui Zhang , Bingtao Ren , Di Wu , Zhigang Xu , Danwei Wang

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…

Computer Vision and Pattern Recognition · Computer Science 2024-05-03 Sicheng Zhao , Hui Chen , Hu Huang , Pengfei Xu , Guiguang Ding

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

In this paper, we tackle the problem of training with multiple source domains with the aim to generalize to new domains at test time without an adaptation step. This is known as domain generalization (DG). Previous works on DG assume…

Computer Vision and Pattern Recognition · Computer Science 2021-04-29 Mohammad Mahfujur Rahman , Clinton Fookes , Sridha Sridharan