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Reseach Article

Comparison of Preprocessing Algorithms using an Affordable EEG Headset

by Sadiq J. Abou-Loukh, Arwa Ra'ad Obaid
International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Volume 160 - Number 1
Year of Publication: 2017
Authors: Sadiq J. Abou-Loukh, Arwa Ra'ad Obaid
10.5120/ijca2017912949

Sadiq J. Abou-Loukh, Arwa Ra'ad Obaid . Comparison of Preprocessing Algorithms using an Affordable EEG Headset. International Journal of Computer Applications. 160, 1 ( Feb 2017), 25-31. DOI=10.5120/ijca2017912949

@article{ 10.5120/ijca2017912949,
author = { Sadiq J. Abou-Loukh, Arwa Ra'ad Obaid },
title = { Comparison of Preprocessing Algorithms using an Affordable EEG Headset },
journal = { International Journal of Computer Applications },
issue_date = { Feb 2017 },
volume = { 160 },
number = { 1 },
month = { Feb },
year = { 2017 },
issn = { 0975-8887 },
pages = { 25-31 },
numpages = {9},
url = { https://ijcaonline.org/archives/volume160/number1/27039-2017912949/ },
doi = { 10.5120/ijca2017912949 },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Journal Article
%1 2024-02-07T00:05:29.300415+05:30
%A Sadiq J. Abou-Loukh
%A Arwa Ra'ad Obaid
%T Comparison of Preprocessing Algorithms using an Affordable EEG Headset
%J International Journal of Computer Applications
%@ 0975-8887
%V 160
%N 1
%P 25-31
%D 2017
%I Foundation of Computer Science (FCS), NY, USA
Abstract

Brain Computer Interface is a technology make a communication with the outside world via brain thoughts. The performance of the BCI system depends on the choice of approaches to process the signals of the human brain at each step. The recording signals of a human brain having bad or small signal to noise ratio (SNR) made brain patterns hard to be distinguished. So, the signal quality need to be enhanced, i.e. enhancing the SNR. The electroencephalogram (EEG) signals are composed of true signal and noise signals so that in order to have high SNR, the EEG signals should be transformed so that the undesired components (noise signal) will be isolated and the true signal will remain. Methods proposed in this paper are for preprocessing, feature extraction and classification of EEG signals (brain signals) recorded from Emotiv EPOC. The raw EEG data is preprocessed to remove noise and then is handled in order to eliminate the artifacts using Principal Component Analysis (PCA), Common Spatial Pattern (CSP), and Common Average Reference(CAR). Power Spectral Density (PSD) is computed from filtered data as a feature. Finally, Support Vector Machine method used to interpret the EEG patterns. The PCA algorithm showed good performance with a value 94.28% compared to other algorithms.

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Index Terms

Computer Science
Information Sciences

Keywords

Electroencephalogram (EEG) Brain Computer Interface (BCI) Emotiv EPOC.