A 3D 3-Subiteration Thinning Algorithm for Medial Surfaces

  • Kálmán Palágyi
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 1953)


Thinning on a binary picture is an iterative layer by layer erosion to extract a reasonable approximation to its skeleton. This paper presents an efficient 3D parallel thinning algorithm which produces medial surfaces.Three-subiteration directional strategy is proposed: each iteration step is composed of three parallel subiterations according to the three deletion directions.Th e algorithm makes easy implementation possible, since deletable points are given by matching templates containing twentyeight elements.Th e topological correctness of the algorithm for (26, 6) binary pictures is proved.


Medial Surface Black Point Simple Point White Point Border Point 
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

  • Kálmán Palágyi
    • 1
  1. 1.Department of Applied InformaticsUniversity of SzegedSzegedHungary

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