On the Normalized Cut

  • Authors:
  • Saralees Nadarajah

  • Affiliations:
  • (Correspd. School of Mathematics, University of Manchester, Manchester M13 9PL, UK) School of Mathematics, University of Manchester, Manchester M13 9PL, UK. E-mail: mbbsssn2@manchester.ac.uk

  • Venue:
  • Fundamenta Informaticae
  • Year:
  • 2008

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Abstract

In the recent paper by Soundararajan and Sarkar (2003), the normalized cut, a graph partitioning measure for perceptual organization, was shown to be a sum of two beta distributed random variables and expressions derived for its mean and mode. Here, it is pointed out that the given expression for the mode is incorrect. The correct expression is derived and the implications of the error discussed.