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Computer-Aided Diagnosis of Epilepsy Based on the Time-Frequency Texture Descriptors of EEG Signals Using Wavelet Packet Decomposition and Artificial Neural Network

  • N. J. Sairamya
  • S. Thomas George
  • M. S. P. Subathra
  • Nallapaneni Manoj Kumar
Conference paper
Part of the Advances in Intelligent Systems and Computing book series (AISC, volume 768)

Abstract

An adaptive time-frequency (t-f) representation of electroencephalographic (EEG) signals with high time and frequency resolutions using wavelet packet decomposition are introduced in this paper for automated diagnosis of epilepsy. The novel texture pattern techniques namely local neighbor descriptive pattern (LNDP) and symmetric weighted LNDP (SWLNDP) are proposed to obtain distinct features from the t-f images. Proposed texture pattern techniques are insensitive to local and global variations as the consecutive neighboring pixels are compared. SWLNDP is a modified version of LNDP which improves the computational efficiency of the system by reducing the feature vector length. The histogram based features are extracted from the texture pattern of t-f images and fed into artificial neural network (ANN) for classification of signals. The obtained results show that ANN attained an accuracy of 100% using proposed techniques for classifying epileptic and normal signal. Further the performance of the proposed system was analyzed for fifteen different cases using University of Bonn EEG dataset.

Keywords

Wavelet packet decomposition Electroencephalographic (EEG) Local neighbor descriptive pattern (LNDP) Symmetric weighted local neighbor descriptive pattern (SWLNDP) Artificial neural network (ANN) 

Notes

Acknowledgements

This paper work was endorsed by the “Technology Systems Development Programme (TSDP)” under Department of Science and Technology (DST), Ministry of Science and Technology, Government of India (GoI), [Grant Number—DST/TSG/ICT/2015/54-G, 2015].

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Copyright information

© Springer Nature Singapore Pte Ltd. 2019

Authors and Affiliations

  • N. J. Sairamya
    • 1
  • S. Thomas George
    • 1
  • M. S. P. Subathra
    • 1
  • Nallapaneni Manoj Kumar
    • 2
  1. 1.Department of Electrical SciencesKarunya Institute of Technology and SciencesCoimbatoreIndia
  2. 2.Faculty of Electrical and Electronics EngineeringUniversiti Malaysia PahangPekanMalaysia

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