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Coronary angiography is an indispensable assistive technique for cardiac interventional surgery. Segmentation and extraction of blood vessels from coronary angiography videos are very essential prerequisites for physicians to locate, assess…

Image and Video Processing · Electrical Eng. & Systems 2020-05-19 Lu Wang , Dong-xue Liang , Xiao-lei Yin , Jing Qiu , Zhi-yun Yang , Jun-hui Xing , Jian-zeng Dong , Zhao-yuan Ma

Congenital Heart Disease (CHD) is a group of cardiac malformations present already during fetal life, representing the prevailing category of birth defects globally. Our aim in this study is to aid 3D fetal vessel topology visualisation in…

Cerebrovascular diseases (CVDs) remain a leading cause of global disability and mortality. Digital Subtraction Angiography (DSA) sequences, recognized as the gold standard for diagnosing CVDs, can clearly visualize the dynamic flow and…

Image and Video Processing · Electrical Eng. & Systems 2025-02-21 Jiong Zhang , Qihang Xie , Lei Mou , Dan Zhang , Da Chen , Caifeng Shan , Yitian Zhao , Ruisheng Su , Mengguo Guo

Assessing coronary artery plaque segments in coronary CT angiography scans is an important task to improve patient management and clinical outcomes, as it can help to decide whether invasive investigation and treatment are necessary. In…

Enhancing the precision of segmenting coronary atherosclerotic plaques from CT Angiography (CTA) images is pivotal for advanced Coronary Atherosclerosis Analysis (CAA), which distinctively relies on the analysis of vessel cross-section…

Image and Video Processing · Electrical Eng. & Systems 2025-01-15 Ziheng Zhang , Zihan Li , Dandan Shan , Yuehui Qiu , Qingqi Hong , Qingqiang Wu

Objective: Magnetic resonance imaging (MRI) has been widely used for the analysis and diagnosis of brain diseases. Accurate and automatic brain tumor segmentation is of paramount importance for radiation treatment. However, low tissue…

Image and Video Processing · Electrical Eng. & Systems 2022-04-18 Jiangyun Li , Hong Yu , Chen Chen , Meng Ding , Sen Zha

Computational fluid dynamics (CFD) based simulation of coronary blood flow provides valuable hemodynamic markers, such as pressure gradients, for diagnosing coronary artery disease (CAD). However, CFD is computationally expensive,…

Computer Vision and Pattern Recognition · Computer Science 2025-12-12 Rene Lisasi , Michele Esposito , Chen Zhao

Pathological alterations in the human vascular system underlie many chronic diseases, such as atherosclerosis and aneurysms. However, manually analyzing diagnostic images of the vascular system, such as computed tomographic angiograms…

Image and Video Processing · Electrical Eng. & Systems 2023-11-29 Alireza Bagheri Rajeoni , Breanna Pederson , Ali Firooz , Hamed Abdollahi , Andrew K. Smith , Daniel G. Clair , Susan M. Lessner , Homayoun Valafar

Accurate segmentation of coronary arteries remains a significant challenge in clinical practice, hindering the ability to effectively diagnose and manage coronary artery disease. The lack of large, annotated datasets for model training…

Significant intra-observer and inter-observer variability in the interpretation of coronary angiograms are reported. This variability is in part due to the common practices that rely on performing visual inspections by specialists (e.g.,…

Quantitative Methods · Quantitative Biology 2020-02-27 Babak Ravandi , Arash Ravandi

Digital subtraction angiography (DSA) in coronary imaging is fundamentally challenged by physiological motion, forcing reliance on raw angiograms cluttered with anatomical noise. Existing deep learning methods often produced images with two…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Si Li , Chen-Kai Hu , Zhenhuan Lyu , Yuanqing He

Coronary artery centerline extraction in cardiac CT angiography (CCTA) images is a prerequisite for evaluation of stenoses and atherosclerotic plaque. We propose an algorithm that extracts coronary artery centerlines in CCTA using a…

Computer Vision and Pattern Recognition · Computer Science 2018-10-25 Jelmer M. Wolterink , Robbert W. van Hamersvelt , Max A. Viergever , Tim Leiner , Ivana Išgum

Accurate extraction of coronary arteries from invasive coronary angiography (ICA) is important in clinical decision-making for the diagnosis and risk stratification of coronary artery disease (CAD). In this study, we develop a method using…

Image and Video Processing · Electrical Eng. & Systems 2023-12-22 Yinghui Meng , Zhenglong Du , Chen Zhao , Minghao Dong , Drew Pienta , Zhihui Xu , Weihua Zhou

Segmenting of clinically important retinal blood vessels into arteries and veins is a prerequisite for retinal vessel analysis. Such analysis can provide potential insights and bio-markers for identifying and diagnosing various retinal eye…

Computer Vision and Pattern Recognition · Computer Science 2025-10-07 Sharan SK , Subin Sahayam , Umarani Jayaraman , Lakshmi Priya A

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

Computed Tomography Coronary Angiography (CTCA) is a non-invasive method to evaluate coronary artery anatomy and disease. CTCA is ideal for geometry reconstruction to create virtual models of coronary arteries. To our knowledge there is no…

Computer Vision and Pattern Recognition · Computer Science 2022-11-04 Ramtin Gharleghi , Dona Adikari , Katy Ellenberger , Mark Webster , Chris Ellis , Arcot Sowmya , Sze-Yuan Ooi , Susann Beier

Type-B Aortic Dissection (TBAD) is one of the most serious cardiovascular events characterized by a growing yearly incidence,and the severity of disease prognosis. Currently, computed tomography angiography (CTA) has been widely adopted for…

Image and Video Processing · Electrical Eng. & Systems 2021-09-02 Zeyang Yao , Jiawei Zhang , Hailong Qiu , Tianchen Wang , Yiyu Shi , Jian Zhuang , Yuhao Dong , Meiping Huang , Xiaowei Xu

Automatic and accurate segmentation of aortic vessel tree (AVT) in computed tomography (CT) scans is crucial for early detection, diagnosis and prognosis of aortic diseases, such as aneurysms, dissections and stenosis. However, this task…

Image and Video Processing · Electrical Eng. & Systems 2023-05-18 Shaofeng Yuan , Feng Yang

Segmentation is a fundamental task in medical image analysis. However, most existing methods focus on primary region extraction and ignore edge information, which is useful for obtaining accurate segmentation. In this paper, we propose a…

Computer Vision and Pattern Recognition · Computer Science 2019-07-26 Zhijie Zhang , Huazhu Fu , Hang Dai , Jianbing Shen , Yanwei Pang , Ling Shao

Coronary CT angiography (CCTA) and intravascular ultrasound (IVUS) provide complementary information for coronary artery disease assessment, making their registration valuable for comprehensive analysis. However, existing registration…

Image and Video Processing · Electrical Eng. & Systems 2024-12-24 R. L. M. van Herten , José P. Henriques , R. Nils Planken , Joost Daemen , Eline M. J. Hartman , Jolanda J. Wentzel , Ivana Išgum