Classifying of EEG Signals Recorded During Right and Left-hand Finger Movements

Examensarbete för masterexamen

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Type: Examensarbete för masterexamen
Master Thesis
Title: Classifying of EEG Signals Recorded During Right and Left-hand Finger Movements
Authors: Shahsavari, Sima
Montes, Hector
Abstract: Brain Computer Interface (BCI) technology allows a person to control a device by bypassing the use of muscular activity. Signal processing and classification methods play a decisive role in the performance accuracy in BCI application. In this thesis extensive comparison among novel electroencephalic(EEG) pattern recognition methods is provided. Signals collected during left/right self-paced typing are analyzed and classified based on different schemes including Autoregressive and Exogenous Autoregressive model estimation, Smoothing and Time Averaging and Common Spatial Patterns (CSP) filtering. Comparison between methods is performed mainly on the BCI 2002 and 2003 competition data sets available on the Internet and currently used by many researchers as etalon data sets. The proposed methods combining common spatial pattern filtering feature extraction and Mahalanobis distance classifier as well as Support Vector Machines show the best performance.
Keywords: Industriell bioteknik;Industrial Biotechnology
Issue Date: 2006
Publisher: Chalmers tekniska högskola / Institutionen för signaler och system
Chalmers University of Technology / Department of Signals and Systems
Series/Report no.: Ex - Institutionen för signaler och system, Chalmers tekniska högskola : EX033/2006
Collection:Examensarbeten för masterexamen // Master Theses

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