Duality and geometry straightness, characterization and envelope

  • Authors:
  • Jean-Marc Chassery;David Coeurjolly;Isabelle Sivignon

  • Affiliations:
  • Laboratoire LIS, Domaine universitaire Grenoble, St Martin d'Hères, France;Laboratoire LIRIS, Université Claude Bernard Lyon 1, Villeurbanne, France;Laboratoire LIRIS, Université Claude Bernard Lyon 1, Villeurbanne, France

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

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Abstract

Duality applied to geometrical problems is widely used in many applications in computer vision or computational geometry A classical example is the Hough Transform to detect linear structures in images In this paper, we focus on two kinds of duality/polarity applied to geometrical problems: digital straightness detection and envelope computation.