A comparison of texture feature extraction using adaptive gabor filtering, pyramidal and tree structured wavelet transforms

  • Authors:
  • Olaf Pichler;Andreas Teuner;Bedrich J. Hosticka

  • Affiliations:
  • Chair of Microelectronic Systems, Dept. of Electrical Engineering, University of Duisburg, D-47057 Duisburg, Germany;Fraunhofer Institute of Microelectronic Circuits and Systems, D-47057 Duisburg, Germany;Chair of Microelectronic Systems, Dept. of Electrical Engineering, University of Duisburg, D-47057 Duisburg, Germany and Fraunhofer Institute of Microelectronic Circuits and Systems, D-47057 Duisb ...

  • Venue:
  • Pattern Recognition
  • Year:
  • 1996

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Abstract

In recent studies on image analysis an increasing effort has been carried out in the area of wavelet transform techniques for the discrimination and classification of textural images. These methods compete with multichannel filtering techniques, especially with the nonorthogonal and incomplete Gabor filtering. In this paper we introduce two feature extraction algorithms based on pyramidal and tree structured wavelet transforms and compare their performance with the feature extraction which employs adaptive Gabor filtering. This comparison is based on the segmentation results of several texture image examples using the identical segmentation algorithm for all three feature extraction methods. The visible differences of the segmentation results are discussed and their algorithmic causes are analysed.