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Poster communications

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

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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Poster communications
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https://hal.inria.fr/hal-01378822
Contributor : Judit Chamorro Servent <>
Submitted on : Monday, October 10, 2016 - 6:22:55 PM
Last modification on : Thursday, March 5, 2020 - 4:55:36 PM
Long-term archiving on: : Saturday, February 4, 2017 - 1:15:38 AM

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  • HAL Id : hal-01378822, version 1

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Judit Chamorro-Servent, Laura Bear, Josselin Duchateau, Mark Potse, Rémi Dubois, et al.. Do we need to enforce the homogeneous Neumann condition on the torso for solving the inverse electrocardiographic problem?. Computing in Cardiology, Sep 2016, Vancouver, Canada. 2016. ⟨hal-01378822⟩

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