Texture Analysis Using Gabor Filter Based on Transcranial Sonography Image

Chapter
Part of the Informatik aktuell book series (INFORMAT)

Abstract

Transcranial sonography (TCS) is a new tool for the diagnosis of Parkinson’s disease (PD) at a very early state. The TCS image of the mesencephalon shows a distinct hyperechogenic pattern in about 90% PD patients. This pattern is usually manually segmented and the substantia nigra (SN) region can be used as an early PD indicator. However this method is based on manual evaluation of examined images. We propose a texture analysis method using Gabor filters for the early PD risk assessment. The features are based on the local spectrum, which is obtained by a bank of Gabor filters, and the performance of these features is evaluated by feature selection method. The results show that the accuracy of the classification with the feature subset is reaching 92.73%.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2011

Authors and Affiliations

  1. 1.Institute for Signal ProcessingUniversity of LuebeckLuebeckGermany
  2. 2.Department of NeurologyUniversity Hospital Schleswig-HolsteinSchleswig-HolsteinGermany
  3. 3.Graduate School, University of LuebeckLuebeckGermany

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