Unsupervised Band Selection for Multispectral Images using Information Theory

  • Authors:
  • J. M. Sotoca;F. Pla;A. C. Klaren

  • Affiliations:
  • Universitat Jaume I, Spain;Universitat Jaume I, Spain;Universitat Jaume I, Spain

  • Venue:
  • ICPR '04 Proceedings of the Pattern Recognition, 17th International Conference on (ICPR'04) Volume 3 - Volume 03
  • Year:
  • 2004

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Abstract

In this paper, the implication of the relations of information in the case of multispectral images is analyzed. Higher-order mutual information can adopt positive or negative values depending of the correlation among ensembles. Therefore, the existence of negative values reflects higher-order correlations in the conditional informations. On the other hand, the extraction of optimal subsets of spectral images is proposed as a maximization of the conditional entropies at same time that the dependent information among images is minimized.