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Related papers: Unsupervised Domain Adaptation for Low-dose CT Rec…

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In clinical examinations and diagnoses, low-dose computed tomography (LDCT) is crucial for minimizing health risks compared with normal-dose computed tomography (NDCT). However, reducing the radiation dose compromises the signal-to-noise…

Image and Video Processing · Electrical Eng. & Systems 2024-07-02 Haoyu Zhao , Yuliang Gu , Zhou Zhao , Bo Du , Yongchao Xu , Rui Yu

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

Deep learning-based diagnostic models often suffer performance drops due to distribution shifts between training (source) and test (target) domains. Collecting and labeling sufficient target domain data for model retraining represents an…

Computer Vision and Pattern Recognition · Computer Science 2025-07-02 Yaofei Duan , Yuhao Huang , Xin Yang , Luyi Han , Xinyu Xie , Zhiyuan Zhu , Ping He , Ka-Hou Chan , Ligang Cui , Sio-Kei Im , Dong Ni , Tao Tan

Learning models on one labeled dataset that generalize well on another domain is a difficult task, as several shifts might happen between the data domains. This is notably the case for lidar data, for which models can exhibit large…

Computer Vision and Pattern Recognition · Computer Science 2024-06-27 Björn Michele , Alexandre Boulch , Gilles Puy , Tuan-Hung Vu , Renaud Marlet , Nicolas Courty

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…

Computer Vision and Pattern Recognition · Computer Science 2021-03-26 Jaemin Na , Heechul Jung , Hyung Jin Chang , Wonjun Hwang

Unsupervised domain adaptation (UDA) has been vastly explored to alleviate domain shifts between source and target domains, by applying a well-performed model in an unlabeled target domain via supervision of a labeled source domain. Recent…

Computer Vision and Pattern Recognition · Computer Science 2022-09-27 Xiaofeng Liu , Fangxu Xing , Nadya Shusharina , Ruth Lim , C-C Jay Kuo , Georges El Fakhri , Jonghye Woo

Unsupervised domain adaptation (UDA) aims to solve the problem of knowledge transfer from labeled source domain to unlabeled target domain. Recently, many domain adaptation (DA) methods use centroid to align the local distribution of…

Computer Vision and Pattern Recognition · Computer Science 2021-05-12 Huihuang Chen , Li Li , Jie Chen , Kuo-Yi Lin

Existing GAN inversion methods work brilliantly in reconstructing high-quality (HQ) images while struggling with more common low-quality (LQ) inputs in practical application. To address this issue, we propose Unsupervised Domain Adaptation…

Computer Vision and Pattern Recognition · Computer Science 2024-05-31 Siyu Xing , Chen Gong , Hewei Guo , Xiao-Yu Zhang , Xinwen Hou , Yu Liu

The acquisition conditions for low-dose and high-dose CT images are usually different, so that the shifts in the CT numbers often occur. Accordingly, unsupervised deep learning-based approaches, which learn the target image distribution,…

Image and Video Processing · Electrical Eng. & Systems 2022-07-15 Chanyong Jung , Joonhyung Lee , Sunkyoung You , Jong Chul Ye

Recent years have witnessed growing interest in machine learning-based models and techniques for low-dose X-ray CT (LDCT) imaging tasks. The methods can typically be categorized into supervised learning methods and unsupervised or…

Machine Learning · Computer Science 2019-10-29 Zhipeng Li , Siqi Ye , Yong Long , Saiprasad Ravishankar

Unsupervised domain adaptation (UDA) deals with the adaptation process of a model to an unlabeled target domain while annotated data is only available for a given source domain. This poses a challenging task, as the domain shift between…

Computer Vision and Pattern Recognition · Computer Science 2021-10-25 Tobias Ringwald , Rainer Stiefelhagen

Unsupervised domain adaptation (UDA) aims to transfer the knowledge from the labeled source domain to the unlabeled target domain. Existing self-training based UDA approaches assign pseudo labels for target data and treat them as ground…

Computer Vision and Pattern Recognition · Computer Science 2021-03-10 Xiaoqing Guo , Chen Yang , Baopu Li , Yixuan Yuan

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

Semantic segmentation of remote sensing images is a challenging and hot issue due to the large amount of unlabeled data. Unsupervised domain adaptation (UDA) has proven to be advantageous in incorporating unclassified information from the…

Computer Vision and Pattern Recognition · Computer Science 2025-03-19 Lingyan Ran , Lushuang Wang , Tao Zhuo , Yinghui Xing

Unsupervised domain adaptation (UDA) is to learn classification models that make predictions for unlabeled data on a target domain, given labeled data on a source domain whose distribution diverges from the target one. Mainstream UDA…

Computer Vision and Pattern Recognition · Computer Science 2021-04-09 Hui Tang , Xiatian Zhu , Ke Chen , Kui Jia , C. L. Philip Chen

Unsupervised domain adaptation (UDA) aims to mitigate the domain shift issue, where the distribution of training (source) data differs from that of testing (target) data. Many models have been developed to tackle this problem, and recently…

Computer Vision and Pattern Recognition · Computer Science 2024-08-01 Ali Abedi , Q. M. Jonathan Wu , Ning Zhang , Farhad Pourpanah

Despite the indispensable role of X-ray computed tomography (CT) in diagnostic medicine field, the associated ionizing radiation is still a major concern considering that it may cause genetic and cancerous diseases. Decreasing the exposure…

Image and Video Processing · Electrical Eng. & Systems 2021-06-09 Ti Bai , Dan Nguyen , Biling Wang , Steve Jiang

Unsupervised Domain Adaptation (UDA) refers to the method that utilizes annotated source domain data and unlabeled target domain data to train a model capable of generalizing to the target domain data. Domain discrepancy leads to a…

Computer Vision and Pattern Recognition · Computer Science 2024-04-26 Ting Li , Jianshu Chao , Deyu An

Semantic segmentation requires a lot of training data, which necessitates costly annotation. There have been many studies on unsupervised domain adaptation (UDA) from one domain to another, e.g., from computer graphics to real images.…

Computer Vision and Pattern Recognition · Computer Science 2022-10-07 Zhijie Wang , Xing Liu , Masanori Suganuma , Takayuki Okatani

Although having achieved great success in medical image segmentation, deep learning-based approaches usually require large amounts of well-annotated data, which can be extremely expensive in the field of medical image analysis. Unlabeled…

Computer Vision and Pattern Recognition · Computer Science 2020-07-01 Yingda Xia , Dong Yang , Zhiding Yu , Fengze Liu , Jinzheng Cai , Lequan Yu , Zhuotun Zhu , Daguang Xu , Alan Yuille , Holger Roth
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