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In this work, we exploit the unsupervised domain adaptation problem for radiology image interpretation across domains. Specifically, we study how to adapt the disease recognition model from a labeled source domain to an unlabeled target…

Image and Video Processing · Electrical Eng. & Systems 2019-08-22 Yuxing Tang , Youbao Tang , Veit Sandfort , Jing Xiao , Ronald M. Summers

Deep learning models have obtained state-of-the-art results for medical image analysis. However, when these models are tested on an unseen domain there is a significant performance degradation. In this work, we present an unsupervised…

Image and Video Processing · Electrical Eng. & Systems 2021-11-01 Maria Baldeon-Calisto , Susana K. Lai-Yuen

Artificial intelligence (AI) techniques have been proposed for automating analysis of short axis (SAX) cine cardiac magnetic resonance (CMR), but no CMR analysis tool exists to automatically analyse large (unstructured) clinical CMR…

Tackling domain shifts in multi-centre and multi-vendor data sets remains challenging for cardiac image segmentation. In this paper, we propose a generalisable segmentation framework for cardiac image segmentation in which multi-centre,…

Image and Video Processing · Electrical Eng. & Systems 2020-09-17 Hongwei Li , Jianguo Zhang , Bjoern Menze

Unsupervised domain adaptation (UDA) is essential for medical image segmentation, especially in cross-modality data scenarios. UDA aims to transfer knowledge from a labeled source domain to an unlabeled target domain, thereby reducing the…

Image and Video Processing · Electrical Eng. & Systems 2024-09-30 Hui Lin , Florian Schiffers , Santiago López-Tapia , Neda Tavakoli , Daniel Kim , Aggelos K. Katsaggelos

Blood vessel segmentation in medical imaging is one of the essential steps for vascular disease diagnosis and interventional planning in a broad spectrum of clinical scenarios in image-based medicine and interventional medicine.…

Image and Video Processing · Electrical Eng. & Systems 2023-08-02 Boah Kim , Yujin Oh , Bradford J. Wood , Ronald M. Summers , Jong Chul Ye

Deep learning (DL) applied to breast tissue segmentation in magnetic resonance imaging (MRI) has received increased attention in the last decade, however, the domain shift which arises from different vendors, acquisition protocols, and…

In the context of supervised statistical learning, it is typically assumed that the training set comes from the same distribution that draws the test samples. When this is not the case, the behavior of the learned model is unpredictable and…

Machine Learning · Computer Science 2022-05-12 Antonio-Javier Gallego , Jorge Calvo-Zaragoza , Robert B. Fisher

Remote physiological measurement (RPM) has emerged as a promising non-invasive method for monitoring physiological signals using the non-contact device. Although various domain adaptation and generalization methods were proposed to promote…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 Xiao Yang , Jiyao Wang , Yuxuan Fan , Can Liu , Houcheng Su , Weichen Guo , Zitong Yu , Dengbo He , Kaishun Wu

Objectives: This study aims to characterize the dose-performance relationship for opportunistic CT and disentangle the contributions of segmentation failure and dose-dependent HU bias to performance degradation. Methods: Simulated low-dose…

Deep learning has been used extensively for medical image analysis applications, assuming the training and test data adhere to the same probability distributions. However, a common challenge arises when dealing with medical images generated…

Image and Video Processing · Electrical Eng. & Systems 2024-07-09 Mohd Usama , Emma Nyman , Ulf Naslund , Christer Gronlund

We present a novel unsupervised domain adaptation method for small bowel segmentation based on feature disentanglement. To make the domain adaptation more controllable, we disentangle intensity and non-intensity features within a unique…

Image and Video Processing · Electrical Eng. & Systems 2021-07-08 Seung Yeon Shin , Sungwon Lee , Ronald M. Summers

We consider the problem of online unsupervised cross-domain adaptation, where two independent but related data streams with different feature spaces -- a fully labeled source stream and an unlabeled target stream -- are learned together.…

Machine Learning · Computer Science 2021-10-05 Marcus de Carvalho , Mahardhika Pratama , Jie Zhang , Edward Yapp

Optimising the analysis of cardiac structure and function requires accurate 3D representations of shape and motion. However, techniques such as cardiac magnetic resonance imaging are conventionally limited to acquiring contiguous…

Image and Video Processing · Electrical Eng. & Systems 2021-07-19 Nicolo Savioli , Antonio de Marvao , Wenjia Bai , Shuo Wang , Stuart A. Cook , Calvin W. L. Chin , Daniel Rueckert , Declan P. O'Regan

Counterfactual image generation is a powerful tool for augmenting training data, de-biasing datasets, and modeling disease. Current approaches rely on external classifiers or regressors to increase the effectiveness of subject-level…

This work tests a self-annotation-based unsupervised methodology for training a convolutional neural network (CNN) model for semantic segmentation of X-ray computed tomography (XCT) scans of concretes. Concrete poses a unique challenge for…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Kaustav Das , Gaston Rauchs , Jan Sykora , Anna Kucerova

Quantification of cardiac motion with cine Cardiac Magnetic Resonance Imaging (CMRI) is an integral part of arrhythmogenic right ventricular cardiomyopathy (ARVC) diagnosis. Yet, the expert evaluation of motion abnormalities with CMRI is a…

Image and Video Processing · Electrical Eng. & Systems 2023-11-27 Laura Alvarez-Florez , Jörg Sander , Mimount Bourfiss , Fleur V. Y. Tjong , Birgitta K. Velthuis , Ivana Išgum

Supervised learning is well-known to fail at generalization under distribution shifts. In typical clinical settings, the source data is inaccessible and the target distribution is represented with a handful of samples: adaptation can only…

Computer Vision and Pattern Recognition · Computer Science 2022-05-18 Mathilde Bateson , Hervé Lombaert , Ismail Ben Ayed

Pulmonary diseases can cause severe respiratory problems, leading to sudden death if not treated timely. Many researchers have utilized deep learning systems to diagnose pulmonary disorders using chest X-rays (CXRs). However, such systems…

Image and Video Processing · Electrical Eng. & Systems 2022-01-17 Mehreen Sirshar , Taimur Hassan , Muhammad Usman Akram , Shoab Ahmed Khan

Thoracic disease detection from chest radiographs using deep learning methods has been an active area of research in the last decade. Most previous methods attempt to focus on the diseased organs of the image by identifying spatial regions…

Image and Video Processing · Electrical Eng. & Systems 2022-10-07 Uday Kamal , Mohammad Zunaed , Nusrat Binta Nizam , Taufiq Hasan