MACLAW: A modular approach for clustering with local attribute weighting

  • Authors:
  • A. Blansché;P. Gançarski;J. J. Korczak

  • Affiliations:
  • LSIIT, University Louis Pasteur, F-67412 Strasbourg-Illkirch, France;LSIIT, University Louis Pasteur, F-67412 Strasbourg-Illkirch, France;LSIIT, University Louis Pasteur, F-67412 Strasbourg-Illkirch, France

  • Venue:
  • Pattern Recognition Letters - Special issue: Evolutionary computer vision and image understanding
  • Year:
  • 2006

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Abstract

This paper presents a new process for modular clustering of complex data, like remote sensing images. This method performs feature weighting in a wrapper approach. The proposed method is a modular clustering method that combines several extractors, which are local specialists, each one extracting one cluster only and using different feature weights. A new clustering quality criterion, adapted to independent clusters, is defined. The weight learning is performed through a cooperative coevolution algorithm, where each species represents one of the clusters to be extracted. A set of extracted clusters forms a partial soft clustering but can be transformed in a classic hard clustering. Some tests, on datasets from the UCI repository and on hyperspectral remote sensing image, have been performed and show the validity of the approach.