EEG signal classification for epilepsy seizure detection using double density discrete wavelet transform and feed-forward neural network model
Publish place: 3rd National Conference on Avionics
Publish Year: 1396
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
ICADI03_079
تاریخ نمایه سازی: 7 اسفند 1396
Abstract:
Epilepsy is the neurological disorder of the brain, which is difficult to diagnose visually using electroencephalogram (EEG) signals. Our final goal of this paper is the automatic detection of the epileptic disorders in the EEG in order to support the diagnosis and care of the epileptic syndromes and related seizure disorders. We introduce a feed-forward neural network classification model with three neurons in hidden layer to classify ‘healthy subjects from epileptic seizure subjects’ and four neurons in hidden layer to classify ‘healthy subjects from epilepsy patients in seizure-free intervals from epilepsy patients with epileptic seizure’. After subtracting the average of signal from the original signal, signal obtained using double density discrete wavelet transform (DD DWT) is decomposed to five levels which are one low-pass frequency sub-band and ten high-pass frequency sub-bands. Then we extract features such as energy, entropy, sum, variance and standard deviation from ten high-pass frequency sub-bands and after that normalize them. We show that the proposed model results in very good satisfactory classifications
Keywords:
Epilepsy , EEG signal , Double density discrete wavelet transform , Feed-forward neural network , Classification
Authors
Seyed morteza ghazali
Babol Noshirvani University of Technology, Shariati Avenue, Babol, IRAN
mohammad reza hasanzadeh
Babol Noshirvani University of Technology, Shariati Avenue, Babol, IRAN
azadeh fazeli
sari hadaf univercity of technology, sari, IRAN