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Assessing the severity of stenoses in coronary angiography is critical to the patient's health, as coronary stenosis is an underlying factor in heart failure. Current practice for grading coronary lesions, i.e. fractional flow reserve (FFR)…

图像与视频处理 · 电气工程与系统科学 2024-09-24 Raffaele Mineo , Amelia Sorrenti , Federica Proietto Salanitri

Flow analysis carried out using phase contrast cardiac magnetic resonance imaging (PC-CMR) enables the quantification of important parameters that are used in the assessment of cardiovascular function. An essential part of this analysis is…

The effectiveness of a cardiovascular magnetic resonance (CMR) scan depends on the ability of the operator to correctly tune the acquisition parameters to the subject being scanned and on the potential occurrence of imaging artefacts such…

We propose a deep learning-based automatic coronary artery tree centerline tracker (AuCoTrack) extending the vessel tracker by Wolterink (arXiv:1810.03143). A dual pathway Convolutional Neural Network (CNN) operating on multi-scale 3D…

图像与视频处理 · 电气工程与系统科学 2023-11-27 Zohaib Salahuddin , Matthias Lenga , Hannes Nickisch

Cardiac segmentation of atriums, ventricles, and myocardium in computed tomography (CT) images is an important first-line task for presymptomatic cardiovascular disease diagnosis. In several recent studies, deep learning models have shown…

图像与视频处理 · 电气工程与系统科学 2024-10-01 Sanguk Park , Minyoung Chung

Cardiovascular disease (CVD) accounts for about half of non-communicable diseases. Vessel stenosis in the coronary artery is considered to be the major risk of CVD. Computed tomography angiography (CTA) is one of the widely used noninvasive…

图像与视频处理 · 电气工程与系统科学 2023-10-18 An Zeng , Chunbiao Wu , Meiping Huang , Jian Zhuang , Shanshan Bi , Dan Pan , Najeeb Ullah , Kaleem Nawaz Khan , Tianchen Wang , Yiyu Shi , Xiaomeng Li , Guisen Lin , Xiaowei Xu

Objectives: To develop and evaluate a radiomics machine learning model for detecting liver fibrosis on CT of the liver. Methods: For this retrospective, single-centre study, radiomic features were extracted from Regions of Interest (ROIs)…

计算机视觉与模式识别 · 计算机科学 2024-02-27 Jay J. Yoo , Khashayar Namdar , Sean Carey , Sandra E. Fischer , Chris McIntosh , Farzad Khalvati , Patrik Rogalla

Background: Computed Tomography Angiography (CTA) is crucial for cerebrovascular disease diagnosis. Dynamic CTA is a type of imaging that captures temporal information about the We aim to develop and evaluate two segmentation techniques to…

医学物理 · 物理学 2025-02-17 Shrikanth Yadav , Jisoo Kim , Geoffrey Young , Lei Qin

Changes in cardiovascular hemodynamics are closely related to the development of aortic regurgitation, a type of valvular heart disease. Metrics derived from blood flows are used to indicate aortic regurgitation onset and evaluate its…

计算机视觉与模式识别 · 计算机科学 2022-04-07 Derek Long , Cameron McMurdo , Edward Ferdian , Charlene A. Mauger , David Marlevi , Alistair A. Young , Martyn P. Nash

This study aimed to develop a machine learning (ML) algorithm capable of determining cardiovascular risk in multimodal retinal images from patients with type 1 diabetes mellitus, distinguishing between moderate, high, and very high-risk…

Coronary heart disease (CHD) remains a top reason of mortality worldwide. This study introduces a novel approach by integrating patient-specific Multi-slice CT scans into CAD models and employing a one-dimensional numerical framework to…

医学物理 · 物理学 2025-07-01 Oeshee Roy , Priyanshu Ghosh , Sayan Karmakar , Supratim Saha

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…

图像与视频处理 · 电气工程与系统科学 2023-11-27 Laura Alvarez-Florez , Jörg Sander , Mimount Bourfiss , Fleur V. Y. Tjong , Birgitta K. Velthuis , Ivana Išgum

Optical coherence tomography (OCT) can provide high-resolution cross-sectional images for analyzing superficial plaques in coronary arteries. Commonly, plaque characterization using intra-coronary OCT images is performed manually by expert…

计算机视觉与模式识别 · 计算机科学 2018-07-11 Shenghua He , Jie Zheng , Akiko Maehara , Gary Mintz , Dalin Tang , Mark Anastasio , Hua Li

Extensive studies suggested that fluid mechanical markers of intracranial aneurysms (IAs) derived from Computational Fluid Dynamics (CFD) can indicate disease progression risks, but to date this has not been translated clinically. This is…

机器学习 · 计算机科学 2026-01-30 Yiying Sheng , Wenhao Ding , Dylan Roi , Leonard Leong Litt Yeo , Hwa Liang Leo , Choon Hwai Yap

Coronary angiography analysis is a common clinical task performed by cardiologists to diagnose coronary artery disease (CAD) through an assessment of atherosclerotic plaque's accumulation. This study introduces an end-to-end machine…

图像与视频处理 · 电气工程与系统科学 2023-10-30 Muhammad Bilal , Dinis Martinho , Reiner Sim , Adnan Qayyum , Hunaid Vohra , Massimo Caputo , Taofeek Akinosho , Sofiat Abioye , Zaheer Khan , Waleed Niaz , Junaid Qadir

Purpose: The goal of this study was to assess the potential added benefit of accounting for partial volume effects (PVE) in an automatic coronary lumen segmentation algorithm from coronary computed tomography angiography (CCTA). Materials…

图像与视频处理 · 电气工程与系统科学 2019-06-25 Moti Freiman , Hannes Nickisch , Sven Prevrhal , Holger Schmitt , Mani Vembar , Pál Maurovich-Horvat , Patrick Donnelly , Liran Goshen

With coronary artery disease (CAD) persisting to be one of the leading causes of death worldwide, interest in supporting physicians with algorithms to speed up and improve diagnosis is high. In clinical practice, the severeness of CAD is…

The objective of this study is the segmentation of the intima-media complex of the common carotid artery, on longitudinal ultrasound images, to measure its thickness. We propose a fully automatic region-based segmentation method, involving…

图像与视频处理 · 电气工程与系统科学 2022-01-31 Nolann Lainé , Guillaume Zahnd , Herv é Liebgott , Maciej Orkisz

Treatment of patients with obstructive coronary artery disease is guided by the functional significance of a coronary artery stenosis. Fractional flow reserve (FFR), measured during invasive coronary angiography (ICA), is considered the…

图像与视频处理 · 电气工程与系统科学 2019-11-13 Majd Zreik , Tim Leiner , Nadieh Khalili , Robbert W. van Hamersvelt , Jelmer M. Wolterink , Michiel Voskuil , Max A. Viergever , Ivana Išgum

The accurate segmentation of Coronary Computed Tomography Angiography (CCTA) images holds substantial clinical value for the early detection and treatment of Coronary Heart Disease (CHD). The Transformer, utilizing a self-attention…

图像与视频处理 · 电气工程与系统科学 2023-10-10 Chenchu Xu , Meng Li , Xue Wu