Visibility in Discrete Geometry: An Application to Discrete Geodesic Paths

  • Authors:
  • David Coeurjolly

  • Affiliations:
  • -

  • Venue:
  • DGCI '02 Proceedings of the 10th International Conference on Discrete Geometry for Computer Imagery
  • Year:
  • 2002

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Abstract

In this article, we present a discrete definition of the classical visibility in computational geometry. We present algorithms to compute the set of pixels in a non-convex domain that are visible from a source pixel. Based on these definitions, we define discrete geodesic paths in discrete domain with obstacles. This allows us to introduce a new geodesic metric in discrete geometry.