Classification of the Distance Transformation Algorithms under the Mathematical Morphology Approach

  • Authors:
  • Francisco de Assis Zampirolli;Roberto de Alencar Lotufo

  • Affiliations:
  • -;-

  • Venue:
  • SIBGRAPI '00 Proceedings of the 13th Brazilian Symposium on Computer Graphics and Image Processing
  • Year:
  • 2000

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Abstract

The distance transform (DT) is a morphological erosion of the binary image by a given structuring function, that dictates the distance metric in the transformation. There are many known algorithms and structuring function decompositions to efficiently implement a morphological erosion. Most of the erosion algorithms are classified as parallel, sequential raster (and anti-raster), and propagation. Based on this classification and decomposition, we review and classify most of the DT algorithms reported in the literature. As a result of this study, we have contributed not only to better classify and understand the diversity of the DT algorithms in the literature, but also to create a collection of efficient erosion algorithms suitable to different computer architectures.