Search Results for author: Gernot Plank

Found 8 papers, 2 papers with code

CaRe-CNN: Cascading Refinement CNN for Myocardial Infarct Segmentation with Microvascular Obstructions

no code implementations18 Dec 2023 Franz Thaler, Matthias A. F. Gsell, Gernot Plank, Martin Urschler

Late gadolinium enhanced (LGE) magnetic resonance (MR) imaging is widely established to assess the viability of myocardial tissue of patients after acute myocardial infarction (MI).

Cardiac Segmentation

Physics-informed Neural Network Estimation of Material Properties in Soft Tissue Nonlinear Biomechanical Models

no code implementations15 Dec 2023 Federica Caforio, Francesco Regazzoni, Stefano Pagani, Elias Karabelas, Christoph Augustin, Gundolf Haase, Gernot Plank, Alfio Quarteroni

The development of biophysical models for clinical applications is rapidly advancing in the research community, thanks to their predictive nature and their ability to assist the interpretation of clinical data.

MedalCare-XL: 16,900 healthy and pathological 12 lead ECGs obtained through electrophysiological simulations

3 code implementations29 Nov 2022 Karli Gillette, Matthias A. F. Gsell, Claudia Nagel, Jule Bender, Bejamin Winkler, Steven E. Williams, Markus Bär, Tobias Schäffter, Olaf Dössel, Gernot Plank, Axel Loewe

Mechanistic cardiac electrophysiology models allow for personalized simulations of the electrical activity in the heart and the ensuing electrocardiogram (ECG) on the body surface.

Physics-informed neural networks to learn cardiac fiber orientation from multiple electroanatomical maps

1 code implementation28 Jan 2022 Carlos Ruiz Herrera, Thomas Grandits, Gernot Plank, Paris Perdikaris, Francisco Sahli Costabal, Simone Pezzuto

The inverse problem amounts to identifying the conduction velocity tensor of a cardiac propagation model from a set of sparse activation maps.

Smoothness and continuity of cost functionals for ECG mismatch computation

no code implementations12 Jan 2022 Thomas Grandits, Simone Pezzuto, Gernot Plank

The field of cardiac electrophysiology tries to abstract, describe and finally model the electrical characteristics of a heartbeat.

Descriptive

Learning atrial fiber orientations and conductivity tensors from intracardiac maps using physics-informed neural networks

no code implementations22 Feb 2021 Thomas Grandits, Simone Pezzuto, Francisco Sahli Costabal, Paris Perdikaris, Thomas Pock, Gernot Plank, Rolf Krause

In this work, we employ a recently developed approach, called physics informed neural networks, to learn the fiber orientations from electroanatomical maps, taking into account the physics of the electrical wave propagation.

Efficient identification of myocardial material parameters and the stress-free reference configuration for patient-specific human heart models

no code implementations12 Jan 2021 Laura Marx, Justyna A. Niestrawska, Matthias A. F. Gsell, Federica Caforio, Gernot Plank, Christoph M. Augustin

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.

A computationally efficient physiologically comprehensive 3D-0D closed-loop model of the heart and circulation

no code implementations16 Sep 2020 Christoph M. Augustin, Matthias A. F. Gsell, Elias Karabelas, Erik Willemen, Frits W. Prinzen, Joost Lumens, Edward J. Vigmond, Gernot Plank

Computer models of cardiac electro-mechanics (EM) show promise as an effective means for quantitative analysis of clinical data and, potentially, for predicting therapeutic responses. realize such advanced applications methodological key challenges must be addressed.

Computational Efficiency

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