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Do we need to enforce the homogeneous Neuman condition on the Torso for solving the inverse electrocardiographic problem by using the method of fundamental solution ?

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.
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https://hal.inria.fr/hal-01379236
Contributor : Judit Chamorro Servent <>
Submitted on : Tuesday, October 11, 2016 - 11:59:33 AM
Last modification on : Thursday, March 5, 2020 - 4:55:36 PM

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  • HAL Id : hal-01379236, version 1

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  • is illustrated by hal-01378822 - Poster lié à cet proceeding of CinC2016

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Judit Chamorro-Servent, Laura Bear, Josselin Duchateau, Mark Potse, Rémi Dubois, et al.. Do we need to enforce the homogeneous Neuman condition on the Torso for solving the inverse electrocardiographic problem by using the method of fundamental solution ?. Computing in Cardiology 2016, Sep 2016, Vancouver, Canada. pp.425-428. ⟨hal-01379236⟩

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