Reusing integer homology information of binary digital images

  • Authors:
  • Rocío González-Díaz;Belén Medrano;Javier Sánchez-Peláez;Pedro Real

  • Affiliations:
  • Departamento de Matemática Aplicada I, Universidad de Sevilla, Seville, Spain;Departamento de Matemática Aplicada I, Universidad de Sevilla, Seville, Spain;Departamento de Matemática Aplicada I, Universidad de Sevilla, Seville, Spain;Departamento de Matemática Aplicada I, Universidad de Sevilla, Seville, Spain

  • Venue:
  • DGCI'06 Proceedings of the 13th international conference on Discrete Geometry for Computer Imagery
  • Year:
  • 2006

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Abstract

In this paper, algorithms for computing integer (co)homology of a simplicial complex of any dimension are designed, extending the work done in [1,2,3] For doing this, the homology of the object is encoded in an algebraic-topological format (that we call AM-model) Moreover, in the case of 3D binary digital images, having as input AM-models for the images I and J, we design fast algorithms for computing the integer homology of I ∪J, I ∩J and I ∖J.