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相关论文: Unsupervised Domain Adaptation for Low-dose CT Rec…

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Unsupervised Domain Adaptation (UDA) aims to generalize the knowledge learned from a well-labeled source domain to an unlabeled target domain. Recently, adversarial domain adaptation with two distinct classifiers (bi-classifier) has been…

计算机视觉与模式识别 · 计算机科学 2021-06-09 Zhekai Du , Jingjing Li , Hongzu Su , Lei Zhu , Ke Lu

Unsupervised domain adaptation leverages rich information from a labeled source domain to model an unlabeled target domain. Existing methods attempt to align the cross-domain distributions. However, the statistical representations of the…

机器学习 · 计算机科学 2021-11-04 Youshan Zhang , Brian D. Davison

Extensive studies on Unsupervised Domain Adaptation (UDA) have propelled the deployment of deep learning from limited experimental datasets into real-world unconstrained domains. Most UDA approaches align features within a common embedding…

计算机视觉与模式识别 · 计算机科学 2022-08-03 Wenxuan Ma , Jinming Zhang , Shuang Li , Chi Harold Liu , Yulin Wang , Wei Li

Ultrasound computed tomography (UCT) via full waveform inversion (FWI) enables high-resolution quantitative imaging for tissue characterization and disease diagnosis. However, UCT suffers from large computational burden and severe…

计算机视觉与模式识别 · 计算机科学 2026-05-26 Tianyu Liu , Heyu Ma , Aiduo Wang , Peiwen Li , Boyi Li , Ying Li , Dan Li , Chengcheng Liu , Dean Ta

Low-dose computed tomography (LDCT) reduces radiation exposure but suffers from image artifacts and loss of detail due to quantum and electronic noise, potentially impacting diagnostic accuracy. Transformer combined with diffusion models…

图像与视频处理 · 电气工程与系统科学 2025-07-01 Qiqing Liu , Guoquan Wei , Zekun Zhou , Yiyang Wen , Liu Shi , Qiegen Liu

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

Deep learning has been successfully applied to low-dose CT (LDCT) image denoising for reducing potential radiation risk. However, the widely reported supervised LDCT denoising networks require a training set of paired images, which is…

机器学习 · 计算机科学 2023-02-09 Yuhui Ruan , Qiao Yuan , Chuang Niu , Chen Li , Yudong Yao , Ge Wang , Yueyang Teng

Unsupervised domain adaptation (UDA) plays a crucial role in object detection when adapting a source-trained detector to a target domain without annotated data. In this paper, we propose a novel and effective four-step UDA approach that…

计算机视觉与模式识别 · 计算机科学 2023-08-30 Mohamed L. Mekhalfi , Davide Boscaini , Fabio Poiesi

Deep learning-based segmentation methods have been widely employed for automatic glaucoma diagnosis and prognosis. In practice, fundus images obtained by different fundus cameras vary significantly in terms of illumination and intensity.…

计算机视觉与模式识别 · 计算机科学 2022-10-11 Qianbi Yu , Dongnan Liu , Chaoyi Zhang , Xinwen Zhang , Weidong Cai

Low-dose computed tomography (LDCT) aims to minimize the radiation exposure to patients while maintaining diagnostic image quality. However, traditional CT reconstruction algorithms often struggle with the ill-posed nature of the problem,…

图像与视频处理 · 电气工程与系统科学 2024-10-17 Daisy Chen

Convolutional neural networks trained on publicly available medical imaging datasets (source domain) rarely generalise to different scanners or acquisition protocols (target domain). This motivates the active field of domain adaptation.…

图像与视频处理 · 电气工程与系统科学 2020-10-06 Thomas Varsavsky , Mauricio Orbes-Arteaga , Carole H. Sudre , Mark S. Graham , Parashkev Nachev , M. Jorge Cardoso

The scarcity and complexity of voxel-level annotations in 3D medical imaging present significant challenges, particularly due to the domain gap between labeled datasets from well-resourced centers and unlabeled datasets from less-resourced…

计算机视觉与模式识别 · 计算机科学 2024-08-13 Haifan Gong , Yitao Wang , Yihan Wang , Jiashun Xiao , Xiang Wan , Haofeng Li

Most unsupervised domain adaptation (UDA) methods assume that labeled source images are available during model adaptation. However, this assumption is often infeasible owing to confidentiality issues or memory constraints on mobile devices.…

计算机视觉与模式识别 · 计算机科学 2023-03-17 JoonHo Lee , Gyemin Lee

We propose a provably convergent method, called Efficient Learned Descent Algorithm (ELDA), for low-dose CT (LDCT) reconstruction. ELDA is a highly interpretable neural network architecture with learned parameters and meanwhile retains…

图像与视频处理 · 电气工程与系统科学 2021-04-28 Qingchao Zhang , Mehrdad Alvandipour , Wenjun Xia , Yi Zhang , Xiaojing Ye , Yunmei Chen

Unsupervised domain adaptation (UDA) aims to transfer knowledge learned from a labeled source domain to an unlabeled target domain. Contrastive learning (CL) in the context of UDA can help to better separate classes in feature space.…

计算机视觉与模式识别 · 计算机科学 2022-06-09 Mingxuan Gu , Sulaiman Vesal , Mareike Thies , Zhaoya Pan , Fabian Wagner , Mirabela Rusu , Andreas Maier , Ronak Kosti

Unsupervised domain adaptation (UDA) aims to transfer knowledge learned from a labeled source domain to an unlabeled and unseen target domain, which is usually trained on data from both domains. Access to the source domain data at the…

计算机视觉与模式识别 · 计算机科学 2021-06-24 Xiaofeng Liu , Fangxu Xing , Chao Yang , Georges El Fakhri , Jonghye Woo

Methods for unsupervised domain adaptation (UDA) help to improve the performance of deep neural networks on unseen domains without any labeled data. Especially in medical disciplines such as histopathology, this is crucial since large…

计算机视觉与模式识别 · 计算机科学 2023-02-03 Kevin Thandiackal , Luigi Piccinelli , Pushpak Pati , Orcun Goksel

LDCT has drawn major attention in the medical imaging field due to the potential health risks of CT-associated X-ray radiation to patients. Reducing the radiation dose, however, decreases the quality of the reconstructed images, which…

图像与视频处理 · 电气工程与系统科学 2022-04-19 Zhizhong Huang , Junping Zhang , Yi Zhang , Hongming Shan

Over the last few years, Unsupervised Domain Adaptation (UDA) techniques have acquired remarkable importance and popularity in computer vision. However, when compared to the extensive literature available for images, the field of videos is…

计算机视觉与模式识别 · 计算机科学 2022-07-27 Victor G. Turrisi da Costa , Giacomo Zara , Paolo Rota , Thiago Oliveira-Santos , Nicu Sebe , Vittorio Murino , Elisa Ricci

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