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COMPGEOM
2007
ACM

Medial axis approximation from inner Voronoi balls: a demo of the Mesecina tool

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Medial axis approximation from inner Voronoi balls: a demo of the Mesecina tool
We illustrate a simple algorithm for approximating the medial axis of a 2D shape with smooth boundary from a sample of this boundary. The algorithm is compared to a more general approximation method that builds on the same idea, namely, to approximate the shape by a union of balls. While not as general, our algorithm is simpler, faster and numerically more stable. Both algorithms are visualized using the Mesecina tool, which is also described. Categories and Subject Descriptors F.2.2 [Nonnumerical Algorithms and Problems]: Geometrical problems and computations; I.3.5 [Computational Geometry and Object Modeling]: Curve, surface, solid, and object representations General Terms Theory, Algorithms Keywords medial axis, union of balls, Voronoi diagram
Balint Miklos, Joachim Giesen, Mark Pauly
Added 14 Aug 2010
Updated 14 Aug 2010
Type Conference
Year 2007
Where COMPGEOM
Authors Balint Miklos, Joachim Giesen, Mark Pauly
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