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3D triangular mesh to represent the left ventricle volume of the heart

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Rodriguez, Lyudmila
Navazo Álvaro, IsabelMés informacióMés informacióMés informació
Vinacua Pla, ÁlvaroMés informacióMés informacióMés informació
Document typeResearch report
Defense date2002-07-01
Rights accessOpen Access
All rights reserved. This work is protected by the corresponding intellectual and industrial property rights. Without prejudice to any existing legal exemptions, reproduction, distribution, public communication or transformation of this work are prohibited without permission of the copyright holder
Abstract
This report describes an algorithm for the generation of unstructured tetrahedral meshes from two triangular meshes: the internal and external walls of an object. The tetrahedral mesh thus obtained represents the volume between the two given triangular meshes. We choose tetrahedral meshes to represent the volume because they provide more topological flexibility. The algorithm designed for this purpose is based on advancing front techniques, but unlike most existing methods based on this concept, our algorithm uses adjacency information about the elements of the volumetric mesh to construct a tetrahedral element. In this manner, it is possible to select, at each step, the neighboring point that guarantees the best tetrahedron, based on an objective function. In addition, the proposed algorithm allows us to have, within the same model, morphological and functional information of interest. This information is very useful, for instance, in the reconstruction of the left ventricle (LV) of the heart, as will be discussed in the paper.
CitationRodriguez, L., Navazo, I., Vinacua, A. "3D triangular mesh to represent the left ventricle volume of the heart". 2002. 
Is part ofLSI-02-53-R
URIhttp://hdl.handle.net/2117/97435
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