Do we need to enforce the homogeneous Neumann condition on the torso for solving the inverse electrocardiographic problem?

Judit Chamorro-Servent; Laura Bear; Josselin Duchateau; Mark Potse; Rémi Dubois; Yves Coudière

Do we need to enforce the homogeneous Neumann condition on the torso for solving the inverse electrocardiographic problem?

Judit Chamorro-Servent ^{1, 2, 3} Laura Bear ^{4, 1} Josselin Duchateau ^{1, 4} Mark Potse ^{2, 1} Rémi Dubois ^{1, 4} Yves Coudière ^{1, 2, 3}

1 IHU-LIRYC

2 CARMEN - Modélisation et calculs pour l'électrophysiologie cardiaque

IMB - Institut de Mathématiques de Bordeaux, Inria Bordeaux - Sud-Ouest, IHU-LIRYC

3 IMB - Institut de Mathématiques de Bordeaux

4 CRCTB - Centre de recherche Cardio-Thoracique de Bordeaux [Bordeaux]

Abstract : Robust calculations of the inverse electrocardiographic problem may require accurate specification of boundary conditions at the torso and cardiac surfaces. In particular, the numerical specification of the no-flux condition on the torso is difficult because surface normals must be computed, and because the torso may alternatively be considered infinitely far away from the heart. Using the method of fundamental solutions (MFS), this boundary conditions can be taken into account in different manners. Specifically, the no-flux condition on the torso can be ignored, or weighted with respect to the Dirichlet boundary condition associated to the torso data, or can be strongly enforced through a saddle-point problem. In this work we provide a preliminary comparison of these different strategies.

Type de document :

Poster

Computing in Cardiology, Sep 2016, Vancouver, Canada. 2016

Domaine :

Sciences de l'ingénieur [physics]

Mathématiques [math]

Liste complète des métadonnées

https://hal.inria.fr/hal-01378822
Contributeur : Judit Chamorro Servent <>
Soumis le : lundi 10 octobre 2016 - 18:22:55
Dernière modification le : jeudi 15 mars 2018 - 22:16:03
Document(s) archivé(s) le : samedi 4 février 2017 - 01:15:38

jchamorroCinCposter.pdf

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Do we need to enforce the homogeneous Neumann condition on the torso for solving the inverse electrocardiographic problem?

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