Finding a Hausdorff Core of a Polygon: On Convex Polygon Containment with Bounded Hausdorff Distance

  • Authors:
  • Reza Dorrigiv;Stephane Durocher;Arash Farzan;Robert Fraser;Alejandro López-Ortiz;J. Ian Munro;Alejandro Salinger;Matthew Skala

  • Affiliations:
  • Cheriton School of Computer Science, University of Waterloo, Waterloo, Canada;Cheriton School of Computer Science, University of Waterloo, Waterloo, Canada and Department of Computer Science, University of Manitoba, Winnipeg, Canada;Cheriton School of Computer Science, University of Waterloo, Waterloo, Canada;Cheriton School of Computer Science, University of Waterloo, Waterloo, Canada;Cheriton School of Computer Science, University of Waterloo, Waterloo, Canada;Cheriton School of Computer Science, University of Waterloo, Waterloo, Canada;Cheriton School of Computer Science, University of Waterloo, Waterloo, Canada;Cheriton School of Computer Science, University of Waterloo, Waterloo, Canada and Department of Computer Science, University of Toronto, Toronto, Canada

  • Venue:
  • WADS '09 Proceedings of the 11th International Symposium on Algorithms and Data Structures
  • Year:
  • 2009

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Abstract

Given a simple polygon P , we consider the problem of finding a convex polygon Q contained in P that minimizes H (P ,Q ), where H denotes the Hausdorff distance. We call such a polygon Q a Hausdorff core of P . We describe polynomial-time approximations for both the minimization and decision versions of the Hausdorff core problem, and we provide an argument supporting the hardness of the problem.