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dc.contributor.authorČernošek, Aleš
dc.contributor.authorKrajča, Vladimír
dc.contributor.authorMohylová, Jitka
dc.contributor.authorPetránek, Svojmil
dc.contributor.authorMatoušek, Miloš
dc.contributor.authorPaul, Karel
dc.date.accessioned2006-11-08T06:05:06Z
dc.date.available2006-11-08T06:05:06Z
dc.date.issued2000
dc.identifier.citationMedical data analysis : First International Symposium, ISMDA 2000, Frankfurt, Germany, September 2000. Proceedings. 2000, p. 34-42. Lecture notes in computer science, vol. 1933.en
dc.identifier.issn0302-9743
dc.identifier.urihttp://hdl.handle.net/10084/57896
dc.language.isoenen
dc.publisherSpringeren
dc.relation.ispartofseriesMedical data analysis : First International Symposium, ISMDA 2000, Frankfurt, Germany, September 2000. Proceedingsen
dc.relation.urihttp://dx.doi.org/10.1007/3-540-39949-6_6en
dc.titleEstimation of the time delay of epileptic spikes by ICAen
dc.typearticleen
dc.identifier.locationNení ve fondu ÚKen
dc.description.abstract-enThe contribution concentrates on application of Independent Component Analysis (ICA) for the detection of small time delays of epileptic spikes in electroencephalographie (EEG) recordings. The ICA method isolates spike's activity by decomposing the input EEG record into independent components. Some of them contain epileptic spikes. ICA detects the time delay of epileptic spikes between channels by separating the epileptic spikes into two or more components. We propose a method of epileptic focus location by ICa from EEG recordings which contain epileptic spikes. The analysis allows presentation of the results in the form of topographic maps. The method was tested on real EEG background signal with artificially simulated epileptic spikes and on EEG records containing real epileptic activity, obtained in four epileptic patients. The tests were used for a comparison with the results of a visual analysis. The tests confirmed a satisfactory agreement between computerized and visual assessments.en
dc.identifier.doi10.1007/3-540-39949-6_6
dc.identifier.wos000171225400006


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