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In this work, we propose an adversarial unsupervised domain adaptation (UDA) approach with the inherent conditional and label shifts, in which we aim to align the distributions w.r.t. both $p(x|y)$ and $p(y)$. Since the label is…

计算机视觉与模式识别 · 计算机科学 2021-08-03 Xiaofeng Liu , Zhenhua Guo , Site Li , Fangxu Xing , Jane You , C. -C. Jay Kuo , Georges El Fakhri , Jonghye Woo

Multi-source unsupervised domain adaptation (MS-UDA) for sentiment analysis (SA) aims to leverage useful information in multiple source domains to help do SA in an unlabeled target domain that has no supervised information. Existing…

计算与语言 · 计算机科学 2020-06-11 Yong Dai , Jian Liu , Xiancong Ren , Zenglin Xu

Domain adaptation refers to the problem of leveraging labeled data in a source domain to learn an accurate model in a target domain where labels are scarce or unavailable. A recent approach for finding a common representation of the two…

机器学习 · 统计学 2018-03-20 Rui Shu , Hung H. Bui , Hirokazu Narui , Stefano Ermon

As a vital problem in pattern analysis and machine intelligence, Unsupervised Domain Adaptation (UDA) attempts to transfer an effective feature learner from a labeled source domain to an unlabeled target domain. Inspired by the success of…

计算机视觉与模式识别 · 计算机科学 2024-08-14 Ren Chuan-Xian , Zhai Yi-Ming , Luo You-Wei , Yan Hong

Unsupervised domain adaptation (UDA) aims to learn models for a target domain of unlabeled data by transferring knowledge from a labeled source domain. In the traditional UDA setting, labeled source data are assumed to be available for…

机器学习 · 计算机科学 2021-03-30 Haojian Zhang , Yabin Zhang , Kui Jia , Lei Zhang

Unsupervised domain adaptation (UDA) transfers knowledge from a label-rich source domain to a different but related fully-unlabeled target domain. To address the problem of domain shift, more and more UDA methods adopt pseudo labels of the…

计算机视觉与模式识别 · 计算机科学 2022-07-26 Jie Wang , Xiao-Lei Zhang

Domain shift happens in cross-domain scenarios commonly because of the wide gaps between different domains: when applying a deep learning model well-trained in one domain to another target domain, the model usually performs poorly. To…

计算机视觉与模式识别 · 计算机科学 2021-08-19 Munan Ning , Cheng Bian , Dong Wei , Chenglang Yuan , Yaohua Wang , Yang Guo , Kai Ma , Yefeng Zheng

Unsupervised Domain Adaptation (UDA) aims to transfer knowledge from a labeled source domain to an unlabeled target domain. Most existing UDA approaches enable knowledge transfer via learning domain-invariant representation and sharing one…

计算机视觉与模式识别 · 计算机科学 2021-11-29 Wenxuan Ma , Jinming Zhang , Shuang Li , Chi Harold Liu , Yulin Wang , Wei Li

The objective of unsupervised domain adaptation is to leverage features from a labeled source domain and learn a classifier for an unlabeled target domain, with a similar but different data distribution. Most deep learning approaches to…

计算机视觉与模式识别 · 计算机科学 2018-04-19 Pedro O. Pinheiro

Unsupervised Data Augmentation (UDA) is a semi-supervised technique that applies a consistency loss to penalize differences between a model's predictions on (a) observed (unlabeled) examples; and (b) corresponding 'noised' examples produced…

计算与语言 · 计算机科学 2020-10-26 David Lowell , Brian E. Howard , Zachary C. Lipton , Byron C. Wallace

While deep learning methods hitherto have achieved considerable success in medical image segmentation, they are still hampered by two limitations: (i) reliance on large-scale well-labeled datasets, which are difficult to curate due to the…

图像与视频处理 · 电气工程与系统科学 2022-12-06 Ziyuan Zhao , Fangcheng Zhou , Kaixin Xu , Zeng Zeng , Cuntai Guan , S. Kevin Zhou

Unsupervised domain adaptation (UDA) amounts to assigning class labels to the unlabeled instances of a dataset from a target domain, using labeled instances of a dataset from a related source domain. In this paper, we propose to cast this…

Unsupervised domain adaptation (UDA) methods for learning domain invariant representations have achieved remarkable progress. However, most of the studies were based on direct adaptation from the source domain to the target domain and have…

计算机视觉与模式识别 · 计算机科学 2021-03-26 Jaemin Na , Heechul Jung , Hyung Jin Chang , Wonjun Hwang

Limited transferability hinders the performance of deep learning models when applied to new application scenarios. Recently, unsupervised domain adaptation (UDA) has achieved significant progress in addressing this issue via learning…

计算机视觉与模式识别 · 计算机科学 2023-03-23 Yulong Zhang , Shuhao Chen , Yu Zhang , Jiangang Lu

Unsupervised domain adaptation (UDA) tries to overcome the tedious work of labeling data by leveraging a labeled source dataset and transferring its knowledge to a similar but different target dataset. Meanwhile, current vision-language…

计算机视觉与模式识别 · 计算机科学 2024-12-02 Thomas Westfechtel , Dexuan Zhang , Tatsuya Harada

Person Re-Identification (ReID) across non-overlapping cameras is a challenging task and, for this reason, most works in the prior art rely on supervised feature learning from a labeled dataset to match the same person in different views.…

计算机视觉与模式识别 · 计算机科学 2022-02-08 Gabriel Bertocco , Fernanda Andaló , Anderson Rocha

Deep learning has demonstrated remarkable performance across various tasks in medical imaging. However, these approaches primarily focus on supervised learning, assuming that the training and testing data are drawn from the same…

图像与视频处理 · 电气工程与系统科学 2023-08-03 Suruchi Kumari , Pravendra Singh

This paper introduces the first fully unsupervised domain adaptation (UDA) framework for unsupervised anomaly detection (UAD). The performance of UAD techniques degrades significantly in the presence of a domain shift, difficult to avoid in…

机器学习 · 计算机科学 2025-12-29 Nesryne Mejri , Enjie Ghorbel , Anis Kacem , Pavel Chernakov , Niki Foteinopoulou , Djamila Aouada

In the context of supervised statistical learning, it is typically assumed that the training set comes from the same distribution that draws the test samples. When this is not the case, the behavior of the learned model is unpredictable and…

机器学习 · 计算机科学 2022-05-12 Antonio-Javier Gallego , Jorge Calvo-Zaragoza , Robert B. Fisher

Limited transferability hinders the performance of deep learning models when applied to new application scenarios. Recently, Unsupervised Domain Adaptation (UDA) has achieved significant progress in addressing this issue via learning…

机器学习 · 计算机科学 2023-09-27 Yulong Zhang , Shuhao Chen , Weisen Jiang , Yu Zhang , Jiangang Lu , James T. Kwok