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The reconstruction of three-dimensional models of coronary arteries is of great significance for the localization, evaluation and diagnosis of stenosis and plaque in the arteries, as well as for the assisted navigation of interventional…

Image and Video Processing · Electrical Eng. & Systems 2024-12-10 Lu Wang , Dong-xue Liang , Xiao-lei Yin , Jing Qiu , Zhi-yun Yang , Jun-hui Xing , Jian-zeng Dong , Zhao-yuan Ma

Mathematical models of cardiac electrical activity are one of the most important tools for elucidating information about the heart diagnostic. Even though it is one of the major problems in biomedical research, an efficient mathematical…

Recent technical advancements allow cardiac MRI (CMR) examinations in the presence of so-called MRI conditional active cardiac implants at 3.0T. However, the artifact burden caused by susceptibility effects remain an obstacle. All…

Medical Physics · Physics 2022-04-05 Theresa Reiter , Ingo Weiss , Oliver M. Weber , Wolfgang R. Bauer

The objective of this paper is to significantly reduce the manual workload required from medical professionals in complex 3D segmentation tasks that cannot be yet fully automated. For instance, in radiotherapy planning, organs at risk must…

This work proposes the use of Genetic Algorithms (GA) in tracing and recognizing the pericardium contour of the human heart using Computed Tomography (CT) images. We assume that each slice of the pericardium can be modelled by an ellipse,…

Image and Video Processing · Electrical Eng. & Systems 2022-08-31 E. O. Rodrigues , L. O. Rodrigues , L. S. N. Oliveira , A. Conci , P. Liatsis

Image-based computational models of the heart represent a powerful tool to shed new light on the mechanisms underlying physiological and pathological conditions in cardiac function and to improve diagnosis and therapy planning. However, in…

Tissues and Organs · Quantitative Biology 2021-01-15 Laura Marx , Justyna A. Niestrawska , Matthias A. F. Gsell , Federica Caforio , Gernot Plank , Christoph M. Augustin

Heart diseases are the main international cause of human defunction. According to the WHO, nearly 18 million people decease each year because of heart diseases. Also considering the increase of medical data, much pressure is put on the…

Image and Video Processing · Electrical Eng. & Systems 2024-05-01 Andrés Bell-Navas , Nourelhouda Groun , María Villalba-Orero , Enrique Lara-Pezzi , Jesús Garicano-Mena , Soledad Le Clainche

Cardiac parametric mapping is useful for evaluating cardiac fibrosis and edema. Parametric mapping relies on single-shot heartbeat-by-heartbeat imaging, which is susceptible to intra-shot motion during the imaging window. However, reducing…

Image and Video Processing · Electrical Eng. & Systems 2025-03-25 Calder D. Sheagren , Brenden T. Kadota , Jaykumar H. Patel , Mark Chiew , Graham A. Wright

Detailed anatomical information is essential to optimize medical decisions for surgical and pre-operative planning in patients with congenital heart disease. The visualization techniques commonly used in clinical routine for the exploration…

Graphics · Computer Science 2023-08-15 Irum Baseer , Israel Valverde , Abdel H. Moustafa , Josep Blat , Oscar Camara

Medical imaging is an important tool for the diagnosis and the evaluation of an aortic dissection (AD); a serious condition of the aorta, which could lead to a life-threatening aortic rupture. AD patients need life-long medical monitoring…

Computer Vision and Pattern Recognition · Computer Science 2020-05-07 Alexander Prutsch , Antonio Pepe , Jan Egger

We present a deep learning model to automatically generate computer models of the human heart from patient imaging data with an emphasis on its capability to generate thin-walled cardiac structures. Our method works by deforming a template…

Computer Vision and Pattern Recognition · Computer Science 2024-01-05 Arjun Narayanan , Fanwei Kong , Shawn Shadden

4D Flow is an MRI sequence which allows acquisition of 3D images of the heart. The data is typically acquired volumetrically, so it must be reformatted to generate cardiac long axis and short axis views for diagnostic interpretation. These…

Computer Vision and Pattern Recognition · Computer Science 2017-11-07 Matthieu Le , Jesse Lieman-Sifry , Felix Lau , Sean Sall , Albert Hsiao , Daniel Golden

A common problem which is faced by the researchers when dealing with arterial carotid imaging data is the registration of the geometrical structures between different imaging modalities or different timesteps. The use of the "Patient…

Echocardiogram video plays a crucial role in analysing cardiac function and diagnosing cardiac diseases. Current deep neural network methods primarily aim to enhance diagnosis accuracy by incorporating prior knowledge, such as segmenting…

Image and Video Processing · Electrical Eng. & Systems 2024-10-29 Jiewen Yang , Yiqun Lin , Bin Pu , Jiarong Guo , Xiaowei Xu , Xiaomeng Li

Echocardiography is routine for cardiac examination. However, 2D ultrasound (US) struggles with accurate metric calculation and direct observation of 3D cardiac structures. Moreover, 3D US is limited by low resolution, small field of view…

We propose a method for synthesizing cardiac magnetic resonance (MR) images with plausible heart pathologies and realistic appearances for the purpose of generating labeled data for the application of supervised deep-learning (DL) training.…

Image and Video Processing · Electrical Eng. & Systems 2023-05-31 Sina Amirrajab , Cristian Lorenz , Juergen Weese , Josien Pluim , Marcel Breeuwer

Using catheter ablation to treat atrial fibrillation increasingly relies on intracardiac echocardiography (ICE) for an anatomical delineation of the left atrium and the pulmonary veins that enter the atrium. However, it is a challenge to…

Computer Vision and Pattern Recognition · Computer Science 2022-03-24 Haofu Liao , Yucheng Tang , Gareth Funka-Lea , Jiebo Luo , Shaohua Kevin Zhou

Accurate reconstruction of cardiac anatomy from sparse clinical images remains a major challenge in patient-specific modeling. While neural implicit functions have previously been applied to this task, their application to mapping…

Interest in the application of engineering methods to problems in congenital heart disease has gained increased popularity over the past decade. The use of computational simulation to examine common clinical problems including single…

Medical Physics · Physics 2011-01-20 Irene Vignon Clementel , Alison L. Marsden , Jeffrey A. Feinstein

Three-dimensional (3D) technologies have been developing rapidly recent years, and have influenced industrial, medical, cultural, and many other fields. In this paper, we introduce an automatic 3D human head scanning-printing system, which…

Robotics · Computer Science 2023-01-02 Longyu Zhang , Bote Han , Haiwei Dong , Abdulmotaleb El Saddik
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