Feature-Preserving, multi-material mesh generation using hierarchical oracles

Authors:
Max Kahnt;Heiko Ramm;Hans Lamecker;Stefan Zachow
Affiliations:
Medical Planning Group, Zuse Institute Berlin, Berlin-Dahlem, Germany;Medical Planning Group, Zuse Institute Berlin, Berlin-Dahlem, Germany;Medical Planning Group, Zuse Institute Berlin, Berlin-Dahlem, Germany;Medical Planning Group, Zuse Institute Berlin, Berlin-Dahlem, Germany
Venue:
MeshMed'12 Proceedings of the 2012 international conference on Mesh Processing in Medical Image Analysis
Year:
2012

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Abstract

This paper presents a method for meshing multi-material domains with additional features curves. This requirement arises for instance in situations where smooth objects (e.g. anatomical structures) are combined with technical objects (e.g. implants, surgical screws). Our approach avoids the tedious process of generating a single consistent input surface by means of an implicit representation, called oracle. Input features are preserved in the output mesh and termination of the algorithm is proved for certain conditions. We show that our method provides good element quality while at the same time keeping the number of elements in the output mesh low.