The extrema edges

  • Authors:
  • Pablo Andrés Arbeláez;Laurent D. Cohen

  • Affiliations:
  • CEREMADE, UMR, CNRS, Université Paris Dauphine, Paris cedex 16, France;CEREMADE, UMR, CNRS, Université Paris Dauphine, Paris cedex 16, France

  • Venue:
  • Scale Space'03 Proceedings of the 4th international conference on Scale space methods in computer vision
  • Year:
  • 2003

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Abstract

We present a new approach to model edges in monochrome images. The method is divided in two parts: the localization of possible edge points and their valuation. The first part is based on the theory of minimal paths, where the selection of an energy and a set of sources determines a partition of the domain. Then, the valuation is obtained by the creation of a contrast driven hierarchy of partitions. The method uses only the original image and supplies a set of closed contours that preserve semantically important characteristics of edges.