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As a study on the efficient usage of data, Multi-source Unsupervised Domain Adaptation transfers knowledge from multiple source domains with labeled data to an unlabeled target domain. However, the distribution discrepancy between different…

计算机视觉与模式识别 · 计算机科学 2022-10-07 Tong Xu , Lin Wang , Wu Ning , Chunyan Lyu , Kejun Wang , Chenhui Wang

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…

计算与语言 · 计算机科学 2023-04-06 Timothy A Miller

Few-shot classification tends to struggle when it needs to adapt to diverse domains. Due to the non-overlapping label space between domains, the performance of conventional domain adaptation is limited. Previous work tackles the problem in…

计算与语言 · 计算机科学 2020-06-24 Xin Cong , Bowen Yu , Tingwen Liu , Shiyao Cui , Hengzhu Tang , Bin Wang

Federated Learning (FL) offers a framework for training models collaboratively while preserving data privacy of each client. Recently, research has focused on Federated Source-Free Domain Adaptation (FFREEDA), a more realistic scenario…

机器学习 · 计算机科学 2026-03-16 Kosuke Kihara , Junki Mori , Taiki Miyagawa , Akinori F. Ebihara

Unsupervised domain adaptation (UDA) methods for person re-identification (re-ID) aim at transferring re-ID knowledge from labeled source data to unlabeled target data. Although achieving great success, most of them only use limited data…

计算机视觉与模式识别 · 计算机科学 2021-04-28 Zechen Bai , Zhigang Wang , Jian Wang , Di Hu , Errui Ding

The success of deep learning in computer vision is mainly attributed to an abundance of data. However, collecting large-scale data is not always possible, especially for the supervised labels. Unsupervised domain adaptation (UDA) aims to…

计算机视觉与模式识别 · 计算机科学 2018-01-01 Jiren Jin , Richard G. Calland , Takeru Miyato , Brian K. Vogel , Hideki Nakayama

In this work, we explore the usage of the Frequency Transformation for reducing the domain shift between the source and target domain (e.g., synthetic image and real image respectively) towards solving the Domain Adaptation task. Most of…

计算机视觉与模式识别 · 计算机科学 2024-07-30 Vikash Kumar , Himanshu Patil , Rohit Lal , Anirban Chakraborty

Unsupervised Domain Adaptation (UDA) addresses the problem of performance degradation due to domain shift between training and testing sets, which is common in computer vision applications. Most existing UDA approaches are based on…

计算机视觉与模式识别 · 计算机科学 2019-05-14 Songsong Wu , Yan Yan , Hao Tang , Jianjun Qian , Jian Zhang , Xiao-Yuan Jing

We propose associative domain adaptation, a novel technique for end-to-end domain adaptation with neural networks, the task of inferring class labels for an unlabeled target domain based on the statistical properties of a labeled source…

计算机视觉与模式识别 · 计算机科学 2017-08-04 Philip Haeusser , Thomas Frerix , Alexander Mordvintsev , Daniel Cremers

Unsupervised Domain Adaptive (UDA) object re-identification (Re-ID) aims at adapting a model trained on a labeled source domain to an unlabeled target domain. State-of-the-art object Re-ID approaches adopt clustering algorithms to generate…

计算机视觉与模式识别 · 计算机科学 2021-08-24 Pengfei Wang , Changxing Ding , Wentao Tan , Mingming Gong , Kui Jia , Dacheng Tao

We propose a method for unsupervised domain adaptation that trains a shared embedding to align the joint distributions of inputs (domain) and outputs (classes), making any classifier agnostic to the domain. Joint alignment ensures that not…

机器学习 · 计算机科学 2019-05-28 Safa Cicek , Stefano Soatto

Unsupervised domain adaptation (UDA) is a statistical learning problem when the distribution of training (source) data is different from that of test (target) data. In this setting, one has access to labeled data only from the source domain…

机器学习 · 计算机科学 2026-02-24 Seonghwi Kim , Sung Ho Jo , Wooseok Ha , Minwoo Chae

Federated Learning (FL) trains models locally at each research center or clinic and aggregates only model updates, making it a natural fit for medical imaging, where strict privacy laws forbid raw data sharing. A major obstacle is…

机器学习 · 计算机科学 2025-09-30 Soroosh Safari Loaliyan , Jose-Luis Ambite , Paul M. Thompson , Neda Jahanshad , Greg Ver Steeg

Face presentation attacks have become an increasingly critical concern when face recognition is widely applied. Many face anti-spoofing methods have been proposed, but most of them ignore the generalization ability to unseen attacks. To…

计算机视觉与模式识别 · 计算机科学 2019-11-26 Rui Shao , Xiangyuan Lan , Pong C. Yuen

Face anti-spoofing approach based on domain generalization(DG) has drawn growing attention due to its robustness forunseen scenarios. Existing DG methods assume that the do-main label is known.However, in real-world applications,…

计算机视觉与模式识别 · 计算机科学 2021-05-07 Zhihong Chen , Taiping Yao , Kekai Sheng , Shouhong Ding , Ying Tai , Jilin Li , Feiyue Huang , Xinyu Jin

Federated learning (FL) allows collaborative machine learning training without sharing private data. While most FL methods assume identical data domains across clients, real-world scenarios often involve heterogeneous data domains.…

机器学习 · 计算机科学 2024-10-29 Lei Wang , Jieming Bian , Letian Zhang , Chen Chen , Jie Xu

Current domain adaptation methods for face anti-spoofing leverage labeled source domain data and unlabeled target domain data to obtain a promising generalizable decision boundary. However, it is usually difficult for these methods to…

计算机视觉与模式识别 · 计算机科学 2022-12-08 Haixiao Yue , Keyao Wang , Guosheng Zhang , Haocheng Feng , Junyu Han , Errui Ding , Jingdong Wang

Domain adaptation aims to exploit a label-rich source domain for learning classifiers in a different label-scarce target domain. It is particularly challenging when there are significant divergences between the two domains. In the paper, we…

机器学习 · 计算机科学 2020-04-27 Kevin Hua , Yuhong Guo

We consider the cross-domain sentiment classification problem, where a sentiment classifier is to be learned from a source domain and to be generalized to a target domain. Our approach explicitly minimizes the distance between the source…

计算与语言 · 计算机科学 2018-09-05 Ruidan He , Wee Sun Lee , Hwee Tou Ng , Daniel Dahlmeier

Facial Expression Recognition is a commercially-important application, but one under-appreciated limitation is that such applications require making predictions on out-of-sample distributions, where target images have different properties…

计算机视觉与模式识别 · 计算机科学 2023-03-10 Varsha Suresh , Gerard Yeo , Desmond C. Ong