Time-frequency feature extraction of newborn EEG seizure using SVD-based techniques

  • Authors:
  • Hamid Hassanpour;Mostefa Mesbah;Boualem Boashash

  • Affiliations:
  • Lab of Signal Processing Research, Queensland University of Technology, Brisbane, QLD, Australia;Lab of Signal Processing Research, Queensland University of Technology, Brisbane, QLD, Australia;Lab of Signal Processing Research, Queensland University of Technology, Brisbane, QLD, Australia

  • Venue:
  • EURASIP Journal on Applied Signal Processing
  • Year:
  • 2004

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Abstract

The nonstationary and multicomponent nature of newborn EEG seizures tends to increase the complexity of the seizure detection problem. In dealing with this type of problems, time-frequency-based techniques were shown to outperform classical techniques. This paper presents a new time-frequency-based EEG seizure detection technique. The technique uses an estimate of the distribution function of the singular vectors associated with the time-frequency distribution of an EEG epoch to characterise the patterns embedded in the signal. The estimated distribution functions related to seizure and nonseizure epochs were used to train a neural network to discriminate between seizure and nonseizure patterns.