2007
DOI: 10.1109/iembs.2007.4353574
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On the Independent Component Analysis of evoked potentials through single or few recording channels

Abstract: In this work we propose a technique based on Independent Component Analysis (ICA), applied to single or two channel(s) recordings of electroencephalogram (EEG) brain signals. Standard (ensemble) ICA requires multiple channel recordings to work, however when single of few channels are required ensemble ICA cannot be readily applied. Single channel ICA (temporal ICA) can be performed by preprocessed the data using the method of delays. Few channels (space-time ICA) can be analysed in an extension to this method.… Show more

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Cited by 5 publications
(9 citation statements)
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“…Thus, any trial-to-trial variability was ignored and important information might have been lost. In other papers, concatenated single trial ERP waveforms were analysed [8,7,[26][27][28][29][30]. This is not a truly single trial method, since it assumes an unchanged mixing process across all trials.…”
Section: The Composition Of Auditory P300 Sourcesmentioning
confidence: 99%
“…Thus, any trial-to-trial variability was ignored and important information might have been lost. In other papers, concatenated single trial ERP waveforms were analysed [8,7,[26][27][28][29][30]. This is not a truly single trial method, since it assumes an unchanged mixing process across all trials.…”
Section: The Composition Of Auditory P300 Sourcesmentioning
confidence: 99%
“…where is a column vector with independent sources O 5 á O 6 á å á O á as its elements and A is a mixing matrix with its columns, (also called weights) chosen such that they form a basis in the signal space [9]. This representation of a signal can be used to show the analogy with the problem of protein profiling from the mass spectra data.…”
Section: Fast and Robust Extraction Of Reliable Protein Signal Profilmentioning
confidence: 98%
“…Then the normal ICA algorithm will be applied to find the mixing and unmixing matrices. 7R REWDLQ WKH µPXOWL-channel representation of a single data channel, a series of delay vectors are to be generated to form a matrix of delays [9]. This matrix can also be called as embedding matrix.…”
Section: Fast and Robust Extraction Of Reliable Protein Signal Profilmentioning
confidence: 99%
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