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New Algorithms for Controlling Active Contours Shape and Topology

  • H. Delingette
  • J. Montagnat
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 1843)

Abstract

In recent years, the field of active-contour based image segmentation have seen the emergence of two competing approaches. The first and oldest approach represents active contours in an explicit (or parametric) manner corresponding to the Lagrangian formulation. The second approach represent active contours in an implicit manner corresponding to the Eulerian framework. After comparing these two approaches, we describe several new topological and physical constraints applied on parametric active contours in order to combine the advantages of these two contour representations. We introduce three key algorithms for independently controlling active contour parameterization, shape and topology. We compare our result to the level-set method and show similar results with a significant speed-up.

Keywords

Internal Force Active Contour Hash Table Active Contour Model Topology Constraint 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2000

Authors and Affiliations

  • H. Delingette
    • 1
  • J. Montagnat
    • 1
  1. 1.Projet EpidaureI.N.R.I.A.Sophia-AntipolisFrance

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