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This paper presents a novel multi-task learning-based method for unsupervised domain adaptation. Specifically, the source and target domain classifiers are jointly learned by considering the geometry of target domain and the divergence…

计算机视觉与模式识别 · 计算机科学 2018-03-28 Jing Zhang , Wanqing Li , Philip Ogunbona

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…

计算机视觉与模式识别 · 计算机科学 2021-07-01 Xingxu Yao , Sicheng Zhao , Pengfei Xu , Jufeng Yang

We propose a simple but effective source-free domain adaptation (SFDA) method. Treating SFDA as an unsupervised clustering problem and following the intuition that local neighbors in feature space should have more similar predictions than…

计算机视觉与模式识别 · 计算机科学 2022-10-05 Shiqi Yang , Yaxing Wang , Kai Wang , Shangling Jui , Joost van de Weijer

In this work, we propose to tackle the problem of domain generalization in the context of \textit{insufficient samples}. Instead of extracting latent feature embeddings based on deterministic models, we propose to learn a domain-invariant…

机器学习 · 计算机科学 2024-02-12 Kecheng Chen , Elena Gal , Hong Yan , Haoliang Li

In this work, we propose to utilize Gaussian mixture models (GMMs) to design pilots for downlink (DL) channel estimation in frequency division duplex (FDD) systems. The GMM captures prior information during training that is leveraged to…

信号处理 · 电气工程与系统科学 2024-03-27 Nurettin Turan , Benedikt Fesl , Benedikt Böck , Michael Joham , Wolfgang Utschick

Most state-of-the-art deep domain adaptation techniques align source and target samples in a global fashion. That is, after alignment, each source sample is expected to become similar to any target sample. However, global alignment may not…

机器学习 · 计算机科学 2023-08-22 Liyue Chen , Linian Wang , Jinyu Xu , Shuai Chen , Weiqiang Wang , Wenbiao Zhao , Qiyu Li , Leye Wang

Getting deep convolutional neural networks to perform well requires a large amount of training data. When the available labelled data is small, it is often beneficial to use transfer learning to leverage a related larger dataset (source) in…

机器学习 · 计算机科学 2021-10-26 Lukas Hedegaard Morsing , Omar Ali Sheikh-Omar , Alexandros Iosifidis

Contemporary domain adaptation methods are very effective at aligning feature distributions of source and target domains without any target supervision. However, we show that these techniques perform poorly when even a few labeled examples…

计算机视觉与模式识别 · 计算机科学 2019-09-17 Kuniaki Saito , Donghyun Kim , Stan Sclaroff , Trevor Darrell , Kate Saenko

Universal Domain Adaptation (UniDA) seeks to transfer knowledge from a labeled source to an unlabeled target domain without assuming any relationship between their label sets, requiring models to classify known samples while rejecting…

计算机视觉与模式识别 · 计算机科学 2025-09-12 Samuel Felipe dos Santos , Tiago Agostinho de Almeida , Jurandy Almeida

While test-time adaptation (TTA) methods effectively address domain shifts by dynamically adapting pre-trained models to target domain data during online inference, their application to 3D point clouds is hindered by their irregular and…

计算机视觉与模式识别 · 计算机科学 2025-07-25 Xin Wei , Qin Yang , Yijie Fang , Mingrui Zhu , Nannan Wang

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…

机器学习 · 计算机科学 2018-12-19 Toshihiko Matsuura , Kuniaki Saito , Tatsuya Harada

Simultaneous machine translation (SiMT) outputs translation while receiving the streaming source inputs, and hence needs a policy to determine where to start translating. The alignment between target and source words often implies the most…

计算与语言 · 计算机科学 2022-03-18 Shaolei Zhang , Yang Feng

Unsupervised domain adaptation addresses the problem of transferring knowledge from a well-labeled source domain to an unlabeled target domain where the two domains have distinctive data distributions. Thus, the essence of domain adaptation…

计算机视觉与模式识别 · 计算机科学 2020-04-28 Li Jingjing , Chen Erpeng , Ding Zhengming , Zhu Lei , Lu Ke , Shen Heng Tao

As an essential element for the diagnosis and rehabilitation of psychiatric disorders, the electroencephalogram (EEG) based emotion recognition has achieved significant progress due to its high precision and reliability. However, one…

机器学习 · 计算机科学 2021-07-19 Hao Chen , Ming Jin , Zhunan Li , Cunhang Fan , Jinpeng Li , Huiguang He

In domain adaptation, maximum mean discrepancy (MMD) has been widely adopted as a discrepancy metric between the distributions of source and target domains. However, existing MMD-based domain adaptation methods generally ignore the changes…

计算机视觉与模式识别 · 计算机科学 2017-05-02 Hongliang Yan , Yukang Ding , Peihua Li , Qilong Wang , Yong Xu , Wangmeng Zuo

As a specific case of graph transfer learning, unsupervised domain adaptation on graphs aims for knowledge transfer from label-rich source graphs to unlabeled target graphs. However, graphs with topology and attributes usually have…

机器学习 · 计算机科学 2024-10-01 Ziyue Qiao , Xiao Luo , Meng Xiao , Hao Dong , Yuanchun Zhou , Hui Xiong

Preservation of domain knowledge from the source to target is crucial in any translation workflow. It is common in the translation industry to receive highly specialized projects, where there is hardly any parallel in-domain data. In such…

计算与语言 · 计算机科学 2022-09-15 Yasmin Moslem , Rejwanul Haque , John D. Kelleher , Andy Way

Domain adaptation (DA) is a technique that transfers predictive models trained on a labeled source domain to an unlabeled target domain, with the core difficulty of resolving distributional shift between domains. Currently, most popular DA…

计算机视觉与模式识别 · 计算机科学 2020-07-06 Bo Li , Yezhen Wang , Tong Che , Shanghang Zhang , Sicheng Zhao , Pengfei Xu , Wei Zhou , Yoshua Bengio , Kurt Keutzer

Graph neural networks (GNNs) have demonstrated remarkable success in numerous graph analytical tasks. Yet, their effectiveness is often compromised in real-world scenarios due to distribution shifts, limiting their capacity for knowledge…

机器学习 · 计算机科学 2024-07-30 Renhong Huang , Jiarong Xu , Xin Jiang , Ruichuan An , Yang Yang

In many real-world applications, we want to exploit multiple source datasets of similar tasks to learn a model for a different but related target dataset -- e.g., recognizing characters of a new font using a set of different fonts. While…

机器学习 · 计算机科学 2019-09-26 Junfeng Wen , Russell Greiner , Dale Schuurmans
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