A Synchronization Based Algorithm for Discovering Ellipsoidal Clusters in Large Datasets

  • Authors:
  • Hichem Frigui;Mohamed Ben Hadj Rhouma

  • Affiliations:
  • -;-

  • Venue:
  • ICDM '01 Proceedings of the 2001 IEEE International Conference on Data Mining
  • Year:
  • 2001

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Abstract

This paper introduces a new scalable approach to clusteringbased on synchronization of pulse-coupled oscillators. Eachdata point is represented by an integrate-and-fire oscillator, and the interaction between oscillators is defined according to the relative similarity between the points. The set of oscillators will self-organize into stable phase-locked subgroups. Our approach proceeds by loading only a subset of the data and allowing it to self-organize. Groups ofsynchronized oscillators are then summarized and purged from memory. We show that our method is robust, scales linearly, and can determine the number of clusters. The proposedapproach is empirically evaluated with several synthetic data sets and is used to segment large color images.