Whitening of Background Brain Activity via Parametric Modeling

Citation

Kamel, Nidal and Samraj, Andrews and Mousavi, Arash (2007) Whitening of Background Brain Activity via Parametric Modeling. Discrete Dynamics in Nature and Society, 2007. p. 1. ISSN 1026-0226

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Abstract

Several signal subspace techniques have been recently suggested for the extraction of the visual evoked potential signals from brain background colored noise. The majority of these techniques assume the background noise as white, and for colored noise, it is suggested to be whitened, without further elaboration on how this might be done. In this paper, we investigate the whitening capabilities of two parametric techniques: a direct one based on Levinson solution of Yule-Walker equations, called AR Yule-Walker, and an indirect one based on the least-squares solution of forward-backward linear prediction ( FBLP) equations, called AR-FBLP. The whitening effect of the two algorithms is investigated with real background electroencephalogram ( EEG) colored noise and compared in time and frequency domains. Copyright (C) 2007.

Item Type: Article
Subjects: T Technology > T Technology (General)
Q Science > QA Mathematics > QA71-90 Instruments and machines > QA75.5-76.95 Electronic computers. Computer science
Divisions: Faculty of Engineering and Technology (FET)
Depositing User: Ms Suzilawati Abu Samah
Date Deposited: 18 Oct 2011 06:41
Last Modified: 03 Mar 2014 04:35
URII: http://shdl.mmu.edu.my/id/eprint/3152

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