Ultrametric Watersheds

  • Authors:
  • Laurent Najman

  • Affiliations:
  • Laboratoire d'Informatique Gaspard-Monge, Equipe A3SI, Université Paris-Est, ESIEE Paris, France

  • Venue:
  • ISMM '09 Proceedings of the 9th International Symposium on Mathematical Morphology and Its Application to Signal and Image Processing
  • Year:
  • 2009

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Abstract

We study hierachical segmentation in the framework of edge-weighted graphs. We define ultrametric watersheds as topological watersheds null on the minima. We prove that there exists a bijection between the set of ultrametric watersheds and the set of hierarchical edge-segmentations.