The upper envelope of Voronoi surfaces and its applications:

Abstract: "Given a set S of sources (points or segments), we consider the surface that is the graph of the function [formula], for some metric p. This surface is closely related to the Voronoi diagram, Vor(S), of S under the metric p. The upper envelope of a set of these Voronoi surfaces, each...

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Bibliographic Details
Main Authors: Huttenlocher, Daniel P. (Author), Kedem, Klara (Author), Šārîr, Mîkā 1950- (Author)
Format: Book
Language:English
Published: Ithaca, New York 1991
Series:Cornell University <Ithaca, NY> / Department of Computer Science: Technical report 1191
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Summary:Abstract: "Given a set S of sources (points or segments), we consider the surface that is the graph of the function [formula], for some metric p. This surface is closely related to the Voronoi diagram, Vor(S), of S under the metric p. The upper envelope of a set of these Voronoi surfaces, each defined for a different set of sources, can be used to solve a number of problems, including finding the minimum Hausdorff distance between two sets of points or line segments under translation, and determining the optimal placement of a site with respect to sets of utilities
We derive bounds on the number of vertices on the upper envelope of a collection of Voronoi surfaces, and provide efficient algorithms to calculate these vertices. We then discuss applications of the methods to the aforementioned problems.
Physical Description:33 S.

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