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Medical Decision Support System Using Pattern Recognition Methods for Assessment of Dermatoglyphic Indices and Diagnosis of Down’s Syndrome Read chapter Read first chapter

2014 | OriginalPaper | Chapter

Classification of EEG-Based Brain–Computer Interfaces

Authors : Ahmad Taher Azar, Valentina E. Balas, Teodora Olariu

Published in: Advanced Intelligent Computational Technologies and Decision Support Systems

Publisher: Springer International Publishing

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Abstract

This chapter demonstrates the development of a brain computer interface (BCI) decision support system for controlling the movement of a wheelchair for neurologically disabled patients using their Electroencephalography (EEG). The subject was able to imagine his/her hand movements during EEG experiment which made EEG oscillations in the signal that could be classified by BCI. The BCI will translate the patient’s thoughts into simple wheelchair commands such as “go” and “stop”. EEG signals are recorded using 59 scalp electrodes. The acquired signals are artifacts contaminated. These artifacts were removed using blind source separation (BSS) by independent component analysis (ICA) to get artifact-free EEG signal from which certain features are extracted by applying discrete wavelet transformation (DWT). The extracted features were reduced in dimensionality using principal component analysis (PCA). The reduced features were fed to neural networks classifier yielding classification accuracy greater than 95 %.

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Metadata
Title
Classification of EEG-Based Brain–Computer Interfaces
Authors
Ahmad Taher Azar
Valentina E. Balas
Teodora Olariu
Copyright Year
2014
Book
Advanced Intelligent Computational Technologies and Decision Support Systems

Print ISBN: 978-3-319-00466-2

Electronic ISBN: 978-3-319-00467-9

Copyright Year: 2014

DOI
https://doi.org/10.1007/978-3-319-00467-9_9

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