Comments on "a possibilistic approach to clustering"

  • Barni M
  • Cappellini V
  • Mecocci A
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In this comment, we report a difficulty with the application of the possibilistic approach to fuzzy clustering (PCM) proposed by Keller and Krishnapuram \cite{Krishnapuram:TFS:1:2}. In applying this algorithm we found that it has the undesirable tendency to produce coincident clusters. Results illustrating this tendency are reported and a possible explanation for the PCM behaviour is suggested.

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  • M. Barni

  • V. Cappellini

  • A. Mecocci

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