☆ 4.7 Article

Epileptic EEG detection using the linear prediction error energy

EXPERT SYSTEMS WITH APPLICATIONS (2010)

Journal

EXPERT SYSTEMS WITH APPLICATIONS

Volume 37, Issue 8, Pages 5661-5665

Publisher

PERGAMON-ELSEVIER SCIENCE LTD

DOI: 10.1016/j.eswa.2010.02.045

Keywords

EEG; Epilepsy; Epileptic seizure; Linear prediction error energy

Categories

Computer Science, Artificial Intelligence Engineering, Electrical & Electronic Operations Research & Management Science

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Abstract

In this study, a method is proposed to detect epileptic seizures over EEG signal. For this purpose, a linear prediction filter is used to observe the presence of spikes and sharp waves on seizure EEG recordings. Linear prediction analysis calculates a coefficient set for each window, which can best model the applied time series signal. Modeling success is observed on the prediction error signal. The presence of spikes and other seizure-specific sharp waves on the signal reduces the modeling success and increases the prediction error of the filter. It is clearly observed that, the energy of prediction error signal during seizures is much higher than that of the seizure free intervals, which indicates the energy value and can be used to locate the seizure interval. The method is applied to 250 distinct EEG records, each of which has 23.6 s duration. The results of the proposed algorithm are evaluated with the ROC analysis which indicates 93.6% success in detecting the presence of seizures. As a conclusion, the linear prediction error energy method can be considered as an efficient way to detect epileptic seizures on EEG records. (c) 2010 Elsevier Ltd. All rights reserved.

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