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Localization of abnormal EEG sources incorporating constrained BSS

Latif, MA, Sanei, S and Chambers, JA (2005) Localization of abnormal EEG sources incorporating constrained BSS

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Abstract

An effective method has been developed to solve the localization problem of the brain sources. A priori knowledge about normal source locations has been effectively exploited in estimating the rotation matrix, which inherently permutes the estimated separating matrix in the blind source separation (BSS) algorithm. An important application of this method is to localize the Focal epilepsy sources, which causes changes in attention, movement and behavior. Here, an effective and simple technique for both separation and localization of the EEG sources has been developed incorporating BSS. The criterion is subject to having some of the sources known. The constraint is then incorporated into the separation objective function using Lagrange multipliers whereby changing it to an unconstrained problem. © Springer-Verlag Berlin Heidelberg 2005.

Item Type: Conference or Workshop Item (UNSPECIFIED)
Authors :
NameEmailORCID
Latif, MAUNSPECIFIEDUNSPECIFIED
Sanei, SUNSPECIFIEDUNSPECIFIED
Chambers, JAj.a.chambers@surrey.ac.ukUNSPECIFIED
Date : 1 December 2005
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 13:26
Last Modified : 17 May 2017 13:26
URI: http://epubs.surrey.ac.uk/id/eprint/839232

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