Biomechanical Model Construction from Different Modalities: Application to Cardiac Images

Authors:
M. Sermesant;C. Forest;Xavier Pennec;Herve Delingette;Nicholas Ayache
Affiliations:
-;-;-;-;-
Venue:
MICCAI '02 Proceedings of the 5th International Conference on Medical Image Computing and Computer-Assisted Intervention-Part I
Year:
2002

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Abstract

This article describes a process to include in a volumetric model various anatomical and mechanical information provided by different sources. Three stages are described, namely a mesh construction, the non-rigid deformation of the tetrahedral mesh into various volumetric images, and the rasterization procedure allowing the transfer of properties from a voxel grid to a tetrahedral mesh. The method is experimented on various imaging modalities, demonstrating its feasibility. By using a biomechanical model, we include physically-based a priori knowledge which should allow to better recover the cardiac motion from images.