Image Foresting Transform: On-the-Fly Computation of Segmentation Boundaries

  • Filip Malmberg
Part of the Lecture Notes in Computer Science book series (LNCS, volume 6688)

Abstract

The Image Foresting Transform (IFT) is a framework for seeded image segmentation, based on the computation of minimal cost paths in a discrete representation of an image. In two recent publications, we have shown that the segmentations obtained by the IFT may be improved by refining the segmentation locally around the boundaries between segmented regions. Since these methods operate on a small sub-set of the image elements only, they may be implemented efficiently if the set of boundary elements is known. Here, we show that this set may be obtained on-the-fly, at virtually no additional cost, as a by-product of the IFT algorithm.

Keywords

Interactive Image Segmentation Image Foresting Transform 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2011

Authors and Affiliations

  • Filip Malmberg
    • 1
  1. 1.Centre for Image AnalysisUppsala UniversitySweden

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