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Open Access Publications from the University of California

A Simple Algorithm for Homeomorphic Surface Reconstruction


The problem of computing a piecewise linear approximation to the surface from a set of sample points is important in solid modeling, computer graphics and computer vision. A recent alorithm [1] using the Voronoi diagram of the sample points gave a guarantee on the distance of the output surface from the original sampled surface assuming the sample was 'sufficiently dense'. We give a similar algorithm, simplifying the computation and the proof of the geometric guarantee. In addition, we guarantee that our output surface is homeomorphic to the original surface; to our knowledge this is the first such topological guarantee for this problem.

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