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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

The treatment of intracranial aneurysms (IA) relies on angiography guidance using biplane views. However, accurate flow estimation and device sizing for treatment are often compromised by vessel overlap and foreshortening, which can obscure…

We propose a fully automatic method to find standardized view planes in 3D image acquisitions. Standard view images are important in clinical practice as they provide a means to perform biometric measurements from similar anatomical…

Coronary angiography is the reference standard for evaluating coronary artery disease, yet visual interpretation remains variable between readers. Existing artificial intelligence methods typically analyze single frames or projections and…

Computer Vision and Pattern Recognition · Computer Science 2026-03-19 Sarra Harrabi , Yichen Wu , Geoffrey H. Tison , Minhaj Ansari , Milos Vukadinovic , David Ouyang , Joshua P. Barrios , Jacques Delfrate , Robert Avram

Coronary artery disease (CAD) is a leading cause of cardiovascular-related mortality, and accurate stenosis detection is crucial for effective clinical decision-making. Coronary angiography remains the gold standard for diagnosing CAD, but…

Image and Video Processing · Electrical Eng. & Systems 2025-03-25 Baixiang Huang , Yu Luo , Guangyu Wei , Songyan He , Yushuang Shao , Xueying Zeng

Coronary angiography remains the gold standard for diagnosis of coronary artery disease, the most common cause of death worldwide. While this procedure is performed more than 2 million times annually, there remain few methods for fast and…

Image and Video Processing · Electrical Eng. & Systems 2023-10-25 Tom Liu , Hui Lin , Aggelos K. Katsaggelos , Adrienne Kline

This study aims to mitigate these biases and enhance QA analysis by applying a path-length correction (PLC) correction, followed by singular value decomposition (SVD)-based deconvolution, to angiograms obtained through both in-silico and…

Recent advancements in AI have significantly transformed medical imaging, particularly in angiography, by enhancing diagnostic precision and patient care. However existing works are limited in analyzing the aorta and iliac arteries, above…

Computer Vision and Pattern Recognition · Computer Science 2024-04-29 Vazgen Zohranyan , Vagner Navasardyan , Hayk Navasardyan , Jan Borggrefe , Shant Navasardyan

An accurate planar visualization (curved planar reformation - CPR) of intracranial arteries is mandatory for an improved luminal and mural assessment especially in low resolution Magnetic Resonance Imaging (MRI) data sets acquired in…

Vessel stenosis is a major risk factor in cardiovascular diseases (CVD). To analyze the degree of vessel stenosis for supporting the treatment management, extraction of coronary artery area from Computed Tomographic Angiography (CTA) is…

Image and Video Processing · Electrical Eng. & Systems 2019-07-30 Yo-Chuan Chen , Yi-Chen Lin , Ching-Ping Wang , Chia-Yen Lee , Wen-Jeng Lee , Tzung-Dau Wang , Chung-Ming Chen

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…

Image and Video Processing · Electrical Eng. & Systems 2023-11-27 Zohaib Salahuddin , Matthias Lenga , Hannes Nickisch

The choice of appropriate boundary conditions is a crucial step in the development of cardiovascular models for blood flow simulations. The three-element Windkessel model is usually employed as a lumped boundary condition, providing a…

Medical Physics · Physics 2022-08-25 Elisa Fevola , Tommaso Bradde , Piero Triverio , Stefano Grivet-Talocia

Reconstructing 3D coronary arteries is important for coronary artery disease diagnosis, treatment planning and operation navigation. Traditional reconstruction techniques often require many projections, while reconstruction from sparse-view…

Image and Video Processing · Electrical Eng. & Systems 2024-10-02 Xueming Fu , Yingtai Li , Fenghe Tang , Jun Li , Mingyue Zhao , Gao-Jun Teng , S. Kevin Zhou

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

The assessment of aortic valve pathology using magnetic resonance imaging (MRI) typically relies on blood velocity estimates acquired using phase contrast (PC) MRI. However, abnormalities in blood flow through the aortic valve often…

Image and Video Processing · Electrical Eng. & Systems 2023-04-17 Y. On , K. Vimalesvaran , C. Galazis , S. Zaman , J. Howard , N. Linton , N. Peters , G. Cole , A. A. Bharath , M. Varela

We propose a new method to automatically contour the left ventricle on 2D echocardiographic images. Unlike most existing segmentation methods, which are based on predicting segmentation masks, we focus at predicting the endocardial contour…

Image and Video Processing · Electrical Eng. & Systems 2022-07-14 Alberto Gomez , Mihaela Porumb , Angela Mumith , Thierry Judge , Shan Gao , Woo-Jin Cho Kim , Jorge Oliveira , Agis Chartsias

In the era of digital medicine, medical imaging serves as a widespread technique for early disease detection, with a substantial volume of images being generated and stored daily in electronic patient records. X-ray angiography imaging is a…

Image and Video Processing · Electrical Eng. & Systems 2024-05-01 Hadis Keshavarz , Hossein Sadr

At present, coronary angiography is the well known standard for the diagnosis of coronary artery disease. Conventional coronary angiography is an invasive procedure with a small, yet inherent risk of myocardial infarction, stroke, potential…

Computer Vision and Pattern Recognition · Computer Science 2011-04-19 B. G. Kodge , P. S. Hiremath

The ability to map left ventricle (LV) myocardial motion using computed tomography angiography (CTA) is essential to diagnosing cardiovascular conditions and guiding interventional procedures. Due to their inherent locality, conventional…

Image and Video Processing · Electrical Eng. & Systems 2024-11-08 Shahar Zuler , Shai Tejman-Yarden , Dan Raviv

Coronary Computed Tomography Angiography (CCTA) evaluation of chest-pain patients in an Emergency Department (ED) is considered appropriate. While a negative CCTA interpretation supports direct patient discharge from an ED, labor-intensive…