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Color Texture Classification Using Rao Distance between Multivariate Copula Based Models

  • Ahmed Drissi El Maliani
  • Mohammed El Hassouni
  • Nour-Eddine Lasmar
  • Yannick Berthoumieu
  • Driss Aboutajdine
Part of the Lecture Notes in Computer Science book series (LNCS, volume 6855)

Abstract

This paper presents a new similarity measure based on Rao distance for color texture classification or retrieval. Textures are characterized by a joint model of complex wavelet coefficients. This model is based on a Gaussian Copula in order to consider the dependency between color components. Then, a closed form of Rao distance is computed to measure the difference between two Gaussian Copula based probabilty density functions on the corresponding manifold. Results in term of classification rates, show the effectiveness of the Rao geodesic distance when applied on the manifold of Gaussian Copula based probability distributions, in comparison with the Kullback-Leibler divergence.

Keywords

Color texture classification Gaussian Copula Rao distance 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2011

Authors and Affiliations

  • Ahmed Drissi El Maliani
    • 1
  • Mohammed El Hassouni
    • 2
  • Nour-Eddine Lasmar
    • 3
  • Yannick Berthoumieu
    • 3
  • Driss Aboutajdine
    • 1
  1. 1.LRIT, URAC 29Mohammed V UniversityAgdalMorocco
  2. 2.DESTEC, FLSHRMohammed V UniversityAgdalMorocco
  3. 3.IMS- Groupe Signal- UMR 5218 CNRS, ENSEIRBUniversity BordeauxFrance

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