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Deformable medical image registration is a fundamental task in medical image analysis. While deep learning-based methods have demonstrated superior accuracy and computational efficiency compared to traditional techniques, they often…

Computer Vision and Pattern Recognition · Computer Science 2025-10-23 Ahsan Raza Siyal , Markus Haltmeier , Ruth Steiger , Malik Galijasevic , Elke Ruth Gizewski , Astrid Ellen Grams

Unsupervised domain adaptation has increasingly gained interest in medical image computing, aiming to tackle the performance degradation of deep neural networks when being deployed to unseen data with heterogeneous characteristics. In this…

Image and Video Processing · Electrical Eng. & Systems 2020-02-07 Cheng Chen , Qi Dou , Hao Chen , Jing Qin , Pheng Ann Heng

Annotating histopathological images is a time-consuming andlabor-intensive process, which requires broad-certificated pathologistscarefully examining large-scale whole-slide images from cells to tissues.Recent frontiers of transfer learning…

Computer Vision and Pattern Recognition · Computer Science 2020-08-24 Dou Xu , Chang Cai , Chaowei Fang , Bin Kong , Jihua Zhu , Zhongyu Li

Cardiac segmentation is an essential step for the diagnosis of cardiovascular diseases. However, pixel-wise dense labeling is both costly and time-consuming. Scribble, as a form of sparse annotation, is more accessible than full…

Computer Vision and Pattern Recognition · Computer Science 2022-06-07 Ke Zhang , Xiahai Zhuang

Domain Adaptation is a technique to address the lack of massive amounts of labeled data in unseen environments. Unsupervised domain adaptation is proposed to adapt a model to new modalities using solely labeled source data and unlabeled…

Computer Vision and Pattern Recognition · Computer Science 2021-11-19 Thong Vo , Naimul Khan

Monocular depth estimation (MDE) has attracted intense study due to its low cost and critical functions for robotic tasks such as localization, mapping and obstacle detection. Supervised approaches have led to great success with the advance…

Computer Vision and Pattern Recognition · Computer Science 2022-08-02 Shao-Yuan Lo , Wei Wang , Jim Thomas , Jingjing Zheng , Vishal M. Patel , Cheng-Hao Kuo

While huge volumes of unlabeled data are generated and made available in many domains, the demand for automated understanding of visual data is higher than ever before. Most existing machine learning models typically rely on massive amounts…

Computer Vision and Pattern Recognition · Computer Science 2021-12-14 Youshan Zhang

The success of deep convolutional neural networks (DCNNs) benefits from high volumes of annotated data. However, annotating medical images is laborious, expensive, and requires human expertise, which induces the label scarcity problem.…

Image and Video Processing · Electrical Eng. & Systems 2022-03-24 Ziyuan Zhao , Kaixin Xu , Shumeng Li , Zeng Zeng , Cuntai Guan

This paper addresses the task of cross-modal medical image segmentation by exploring unsupervised domain adaptation (UDA) approaches. We propose a model-agnostic UDA framework, LowBridge, which builds on a simple observation that…

Image and Video Processing · Electrical Eng. & Systems 2025-05-20 Pengfei Lyu , Pak-Hei Yeung , Xiaosheng Yu , Jing Xia , Jianning Chi , Chengdong Wu , Jagath C. Rajapakse

Unsupervised domain adaptation (UDA) methods can dramatically improve generalization on unlabeled target domains. However, optimal hyper-parameter selection is critical to achieving high accuracy and avoiding negative transfer. Supervised…

Computer Vision and Pattern Recognition · Computer Science 2021-08-25 Kuniaki Saito , Donghyun Kim , Piotr Teterwak , Stan Sclaroff , Trevor Darrell , Kate Saenko

Unsupervised Domain Adaptation (UDA) is the task of bridging the domain gap between a labeled source domain, e.g., synthetic data, and an unlabeled target domain. We observe that current UDA methods show inferior results on fine structures…

Computer Vision and Pattern Recognition · Computer Science 2024-08-30 Linyan Yang , Lukas Hoyer , Mark Weber , Tobias Fischer , Dengxin Dai , Laura Leal-Taixé , Marc Pollefeys , Daniel Cremers , Luc Van Gool

Annotation scarcity and cross-modality/stain data distribution shifts are two major obstacles hindering the application of deep learning models for nuclei analysis, which holds a broad spectrum of potential applications in digital…

Computer Vision and Pattern Recognition · Computer Science 2024-01-23 Jianan Fan , Dongnan Liu , Hang Chang , Weidong Cai

In this paper, we present a novel unsupervised domain adaptation (UDA) method, named Domain Adaptive Relational Reasoning (DARR), to generalize 3D multi-organ segmentation models to medical data collected from different scanners and/or…

Computer Vision and Pattern Recognition · Computer Science 2020-07-14 Shuhao Fu , Yongyi Lu , Yan Wang , Yuyin Zhou , Wei Shen , Elliot Fishman , Alan Yuille

Unsupervised Domain Adaptation (UDA) aims to classify unlabeled target domain by transferring knowledge from labeled source domain with domain shift. Most of the existing UDA methods try to mitigate the adverse impact induced by the shift…

Machine Learning · Computer Science 2022-12-13 Weikai Li , Songcan Chen

Unsupervised Domain Adaptation (UDA) aims to enhance the generalization of the learned model to other domains. The domain-invariant knowledge is transferred from the model trained on labeled source domain, e.g., video game, to unlabeled…

Computer Vision and Pattern Recognition · Computer Science 2022-11-15 Mu Chen , Zhedong Zheng , Yi Yang , Tat-Seng Chua

Medical ultrasound imaging is ubiquitous, but manual analysis struggles to keep pace. Automated segmentation can help but requires large labeled datasets, which are scarce. Semi-supervised learning leveraging both unlabeled and limited…

Image and Video Processing · Electrical Eng. & Systems 2025-03-19 Yaxiong Chen , Yujie Wang , Zixuan Zheng , Jingliang Hu , Yilei Shi , Shengwu Xiong , Xiao Xiang Zhu , Lichao Mou

Unsupervised domain adaptation (UDA) typically carries out knowledge transfer from a label-rich source domain to an unlabeled target domain by adversarial learning. In principle, existing UDA approaches mainly focus on the global…

Computer Vision and Pattern Recognition · Computer Science 2021-03-05 Hui Wang , Jian Tian , Songyuan Li , Hanbin Zhao , Qi Tian , Fei Wu , Xi Li

Unsupervised domain adaptation (UDA) methods effectively bridge domain gaps but become struggled when the source and target domains belong to entirely distinct modalities. To address this limitation, we propose a novel setting called…

Computer Vision and Pattern Recognition · Computer Science 2025-06-23 Jiawen Yang , Shuhao Chen , Yucong Duan , Ke Tang , Yu Zhang

Self-training based on pseudo-labels has emerged as a dominant approach for addressing conditional distribution shifts in unsupervised domain adaptation (UDA) for semantic segmentation problems. A notable drawback, however, is that this…

Computer Vision and Pattern Recognition · Computer Science 2023-05-02 Rajshekhar Das , Jonathan Francis , Sanket Vaibhav Mehta , Jean Oh , Emma Strubell , Jose Moura

Medical image segmentation methods normally perform poorly when there is a domain shift between training and testing data. Unsupervised Domain Adaptation (UDA) addresses the domain shift problem by training the model using both labeled data…

Computer Vision and Pattern Recognition · Computer Science 2023-11-03 Yan Wang , Jian Cheng , Yixin Chen , Shuai Shao , Lanyun Zhu , Zhenzhou Wu , Tao Liu , Haogang Zhu
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