Statistical Atlases and Computational Models of the Heart. Imaging and Modelling Challenges
4th International Workshop, STACOM 2013, Held in Conjunction with MICCAI 2013, Nagoya, Japan, September 26, 2013. Revised Selected Papers
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32 Result(s)
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Chapter and Conference Paper
Implicit Neural Distance Representation for Unsupervised and Supervised Classification of Complex Anatomies
The task of 3D shape classification is closely related to finding a good representation of the shapes. In this study, we focus on surface representations of complex anatomies and on how such representations ca...
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Chapter and Conference Paper
Joint Data Imputation and Mechanistic Modelling for Simulating Heart-Brain Interactions in Incomplete Datasets
The use of mechanistic models in clinical studies is limited by the lack of multi-modal patients data representing different anatomical and physiological processes. For example, neuroimaging datasets do not pr...
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Chapter and Conference Paper
Deep Learning Surrogate of Computational Fluid Dynamics for Thrombus Formation Risk in the Left Atrial Appendage
Recently, the risk of thrombus formation in the left atrium (LA) has been assessed through patient-specific computational fluid dynamic (CFD) simulations, characterizing the complex 4D nature of blood flow in ...
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Chapter and Conference Paper
Comparison of 2D Echocardiography and Cardiac Cine MRI in the Assessment of Regional Left Ventricular Wall Thickness
The generation of kinematic models of the heart using 3D echocardiography (echo) can be difficult due to poor image contrast and signal dropout, particularly at the epicardial surface. 2D echo images generally...
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Chapter and Conference Paper
Best (and Worst) Practices for Organizing a Challenge on Cardiac Biophysical Models During AI Summer: The CRT-EPiggy19 Challenge
During the last years tens of challenges have been organized to benchmark computational techniques with shared data. Historically, most challenges in conferences such as MICCAI have been devoted to medical ima...
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Chapter and Conference Paper
Left Atrial Segmentation Combining Multi-atlas Whole Heart Labeling and Shape-Based Atlas Selection
Segmentation of the left atria (LA) from late gadolinium enhanced magnetic resonance imaging (LGE-MRI) is challenging since atrial borders are not easily distinguishable in the images. We propose a method base...
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Chapter and Conference Paper
Large Scale Cardiovascular Model Personalisation for Mechanistic Analysis of Heart and Brain Interactions
Cerebrovascular diseases have been associated with a variety of hea...
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Chapter and Conference Paper
Standard Quasi-Conformal Flattening of the Right and Left Atria
Two-dimensional standard representations of 3D anatomical structures are a simple and intuitive way for analysing patient information across populations and image modalities. They also allow convenient visuali...
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Chapter and Conference Paper
Centreline-Based Shape Descriptors of the Left Atrial Appendage in Relation with Thrombus Formation
The majority of thrombi in non-valvular atrial fibrillation (AF) patients are formed in the left atrial appendage (LAA). The shape of the LAA is highly variable and complex morphologies seem to favour the deve...
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Chapter and Conference Paper
Joint Analysis of Personalized In-Silico Haemodynamics and Shape Descriptors of the Left Atrial Appendage
The left atrial appendage (LAA) is a complex and heterogeneous bulge structure of the left atrium (LA). It is known that, in atrial fibrillation (AF) patients, around 70% to 90% of the thrombi are formed ther...
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Chapter and Conference Paper
Statistical Shape Clustering of Left Atrial Appendages
Fifteen percent of all strokes are caused by emboli formed in the left atrium (LA) in case of atrial fibrillation (AF). The most common site of thrombus formation is inside the left atrial appendage (LAA). The...
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Chapter and Conference Paper
A Radiomics Approach to Computer-Aided Diagnosis with Cardiac Cine-MRI
Computer-aided diagnosis of cardiovascular diseases (CVDs) with cine-MRI is an important research topic to enable improved stratification of CVD patients. However, current approaches that use expert visualizat...
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Chapter and Conference Paper
Estimation of Local Conduction Velocity from Myocardium Activation Time: Application to Cardiac Resynchronization Therapy
As models of cardiac electrophysiology (EP) are maturing, an increasing effort is being put in their translation to the bed side, in particular for abnormal cardiac rhythm diagnosis and therapy planning. Howev...
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Chapter and Conference Paper
A Rule-Based Method to Model Myocardial Fiber Orientation for Simulating Ventricular Outflow Tract Arrhythmias
Myocardial fiber orientation determines the propagation of electrical waves in the heart and the contraction of cardiac tissue. One common approach for assigning fiber orientation to cardiac anatomical models ...
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Chapter and Conference Paper
In Silico Analysis of Haemodynamics in Patient-Specific Left Atria with Different Appendage Morphologies
The influence of the left atrial appendage (LAA) and its different possible morphologies in atrial haemodynamics and thrombus formation is not fully known yet. The main goal of this work is to analyse blood fl...
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Chapter and Conference Paper
Early Prediction of Alzheimer’s Disease with Non-local Patch-Based Longitudinal Descriptors
Alzheimer’s disease (AD) is characterized by a progressive decline in the cognitive functions accompanied by an atrophic process which can already be observed in the early stages using magnetic resonance image...
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Chapter and Conference Paper
Smoothed Particle Hydrodynamics for Electrophysiological Modeling: An Alternative to Finite Element Methods
Finite element methods (FEM) are generally used in cardiac 3D-electromechanical modeling. For FEM modeling, a step of a suitable mesh construction is required, which is non-trivial and time-consuming for compl...
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Book and Conference Proceedings
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Chapter and Conference Paper
Estimation of Electrical Pathways Finding Minimal Cost Paths from Electro-Anatomical Map** of the Left Ventricle
The electrical activation of the heart is a complex physiological process that is essential for the understanding of several cardiac dysfunctions, such as ventricular tachycardia (VT). Nowadays, electro-anatom...
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Chapter and Conference Paper
Image-Based Estimation of Myocardial Acceleration Using TDFFD: A Phantom Study
In this paper, we propose to estimate myocardial acceleration using a temporal diffeomorphic free-form deformation (TDFFD) algorithm. The use of TDFFD has the advantage of providing B-spline parameterized velo...
