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Coronary artery disease (CAD) remains a leading cause of mortality worldwide, requiring accurate segmentation and stenosis detection using Coronary Computed Tomography angiography (CCTA). Existing methods struggle with challenges such as…

Computer Vision and Pattern Recognition · Computer Science 2025-04-29 Ni Yao , Xiangyu Liu , Danyang Sun , Chuang Han , Yanting Li , Jiaofen Nan , Chengyang Li , Fubao Zhu , Weihua Zhou , Chen Zhao

Capillaries are the smallest vessels in the body responsible for delivering oxygen and nutrients to surrounding cells. Various life-threatening diseases are known to alter the density of healthy capillaries and the flow velocity of…

Image and Video Processing · Electrical Eng. & Systems 2022-04-15 Maged Helmy , Anastasiya Dykyy , Tuyen Trung Truong , Paulo Ferreira , Eric Jul

Cardiac motion estimation and segmentation play important roles in quantitatively assessing cardiac function and diagnosing cardiovascular diseases. In this paper, we propose a novel deep learning method for joint estimation of motion and…

Computer Vision and Pattern Recognition · Computer Science 2018-06-12 Chen Qin , Wenjia Bai , Jo Schlemper , Steffen E. Petersen , Stefan K. Piechnik , Stefan Neubauer , Daniel Rueckert

Deep learning methods for classifying medical images have demonstrated impressive accuracy in a wide range of tasks but often these models are hard to interpret, limiting their applicability in clinical practice. In this work we introduce a…

Image and Video Processing · Electrical Eng. & Systems 2019-08-13 James R. Clough , Ilkay Oksuz , Esther Puyol-Anton , Bram Ruijsink , Andrew P. King , Julia A. Schnabel

Annotation of medical images, such as MRI and CT scans, is crucial for evaluating treatment efficacy and planning radiotherapy. However, the extensive workload of medical professionals limits their ability to annotate large image datasets,…

Image and Video Processing · Electrical Eng. & Systems 2025-03-03 Eichi Takaya , Shinnosuke Yamamoto

The quantification of the coronary artery stenosis is of significant clinical importance in coronary artery disease diagnosis and intervention treatment. It aims to quantify the morphological indices of the coronary artery lesions such as…

Image and Video Processing · Electrical Eng. & Systems 2020-08-11 Dong Zhang , Guang Yang , Shu Zhao , Yanping Zhang , Heye Zhang , Shuo Li

Coronary artery calcification (CAC) is a strong predictor of cardiovascular risk but remains underutilized in clinical routine thoracic imaging due to the need for dedicated imaging protocols and manual annotation. We present DeepCAC2, a…

Image and Video Processing · Electrical Eng. & Systems 2026-03-27 Leonard Nürnberg , Simon Bernatz , Borek Foldyna , Michael T. Lu , Andrey Fedorov , Hugo JWL Aerts

Automatic segmentation of myocardial contours and relevant areas like infraction and no-reflow is an important step for the quantitative evaluation of myocardial infarction. In this work, we propose a cascaded convolutional neural network…

Image and Video Processing · Electrical Eng. & Systems 2020-12-29 Yichi Zhang

Broadly speaking, the objective in cardiac image segmentation is to delineate the outer and inner walls of the heart to segment out either the entire or parts of the organ boundaries. This paper will focus on MR images as they are the most…

Computer Vision and Pattern Recognition · Computer Science 2015-02-17 Tizita Nesibu Shewaye

Semantic segmentation using convolutional neural networks (CNNs) is the state-of-the-art for many medical image segmentation tasks including myocardial segmentation in cardiac MR images. However, the predicted segmentation maps obtained…

Image and Video Processing · Electrical Eng. & Systems 2022-08-18 Sofie Tilborghs , Jan Bogaert , Frederik Maes

Automatic segmentation of the heart cavity is an essential task for the diagnosis of cardiac diseases. In this paper, we propose a semi-supervised segmentation setup for leveraging unlabeled data to segment Left-ventricle, Right-ventricle,…

Image and Video Processing · Electrical Eng. & Systems 2023-02-23 Mahyar Bolhassani , Ilkay Oksuz

Coronary artery disease (CAD) is the leading causes of death around the world. One of the most common imaging methods for diagnosing this disease is X-ray angiography. Diagnosing using these images is usually challenging due to non-uniform…

Computer Vision and Pattern Recognition · Computer Science 2017-09-11 Hamid R. Fazlali , Nader Karimi , S. M. Reza Soroushmehr , Shahram Shirani , Brahmajee. K. Nallamothu , Kevin R. Ward , Shadrokh Samavi , Kayvan Najarian

Convolutional neural networks (CNN) have had unprecedented success in medical imaging and, in particular, in medical image segmentation. However, despite the fact that segmentation results are closer than ever to the inter-expert…

Computer Vision and Pattern Recognition · Computer Science 2020-06-17 Nathan Painchaud , Youssef Skandarani , Thierry Judge , Olivier Bernard , Alain Lalande , Pierre-Marc Jodoin

Deep learning methods are the de-facto solutions to a multitude of medical image analysis tasks. Cardiac MRI segmentation is one such application which, like many others, requires a large number of annotated data so a trained network can…

Image and Video Processing · Electrical Eng. & Systems 2022-01-02 Youssef Skandarani , Pierre-Marc Jodoin , Alain Lalande

When introducing advanced image computing algorithms, e.g., whole-heart segmentation, into clinical practice, a common suspicion is how reliable the automatically computed results are. In fact, it is important to find out the failure cases…

Computer Vision and Pattern Recognition · Computer Science 2019-07-30 Rongzhao Zhang , Albert C. S. Chung

Cardiac MR image segmentation is essential for the morphological and functional analysis of the heart. Inspired by how experienced clinicians assess the cardiac morphology and function across multiple standard views (i.e. long- and…

Image and Video Processing · Electrical Eng. & Systems 2019-12-18 Chen Chen , Carlo Biffi , Giacomo Tarroni , Steffen Petersen , Wenjia Bai , Daniel Rueckert

The presence of plaques in the coronary arteries is a major risk to the patients' life. In particular, non-calcified plaques pose a great challenge, as they are harder to detect and more likely to rupture than calcified plaques. While…

Myocardial characterization is essential for patients with myocardial infarction and other myocardial diseases, and the assessment is often performed using cardiac magnetic resonance (CMR) sequences. In this study, we propose a fully…

Image and Video Processing · Electrical Eng. & Systems 2020-08-19 Xiaoran Zhang , Michelle Noga , Kumaradevan Punithakumar

Thin-cap fibroatheroma (TCFA) and plaque rupture have been recognized as the most frequent risk factor for thrombosis and acute coronary syndrome. Intravascular optical coherence tomography (IVOCT) can identify TCFA and assess cap…

Diagnosis of cardiovascular disease using automated methods often relies on the critical task of cardiac image segmentation. We propose a novel strategy that performs segmentation using specialist networks that focus on a single anatomy…

Image and Video Processing · Electrical Eng. & Systems 2024-02-15 Abbas Khan , Muhammad Asad , Martin Benning , Caroline Roney , Gregory Slabaugh