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Comparative performance of time-frequency based newborn EEG seizure detection using spike signatures

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3 Author(s)
Hassanpour, H. ; Signal Process. Res. Centre, Queensland Univ. of Technol., Brisbane, Qld., Australia ; Mesbah, M. ; Boashash, B.

This paper investigates the performance of four nonparametric newborn EEG seizure detection methods. The authors recently proposed a time-frequency (TF) based technique suitable for nonstationarity of EEG signal. This method attempts to detect seizure activities through analysing the interspike intervals of the EEG in the TF domain. The performance of this method is compared to those of three nonparametric techniques for seizure detection. These methods are: autocorrelation, spectrum and singular spectrum analysis (SSA). The autocorrelation method performs analysis in the time domain and is based on the autocorrelation function of short epochs of EEG data. The spectrum technique is based on spectral analysis and is used to detect periodic discharges. The SSA technique employs singular spectrum analysis and information theoretic-based selection of the signal subspace. These three methods are based on the assumption that newborn EEG signal is quasi-stationary. The obtained results show the superior performance of the TF-based technique for detecting newborn EEG seizures.

Published in:

Acoustics, Speech, and Signal Processing, 2003. Proceedings. (ICASSP '03). 2003 IEEE International Conference on  (Volume:2 )

Date of Conference:

6-10 April 2003

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