XPMaps and Topological Segmentation - A Unified Approach to Finite Topologies in the Plane

  • Authors:
  • Ullrich Köthe

  • Affiliations:
  • -

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

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Abstract

Finite topological spaces are now widely recognized as a valuable tool of image analysis. However, their practical application is complicated because there are so many different approaches. We show that there are close relationships between those approaches which motivate the introduction of XPMaps as a concept that subsumes the important characteristics of the other approaches. The notion of topological segmentations then extends this concept to a particular class of labelings of XPMaps. We show that the new notions lead to significant simplifications from both a theoretical and practical viewpoint.