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Independent component analysis as a preprocessing step for data compression of neonatal EEG | IEEE Conference Publication | IEEE Xplore

Independent component analysis as a preprocessing step for data compression of neonatal EEG


Abstract:

We propose a novel approach for compressive sampling of the neonatal electro-encefalogram (EEG) data. The method assumes that the set of EEG data is generated by linearly...Show More

Abstract:

We propose a novel approach for compressive sampling of the neonatal electro-encefalogram (EEG) data. The method assumes that the set of EEG data is generated by linearly mixing a fewer number of source signals. Another assumption is that the sources are nearly-sparse in Gabor dictionary. The presented method, instead of compressing original EEG channels, first performs a data-reduction, and then compresses the obtained sources. With this approach we showed that the gain in reconstruction speed is 33%–50%, whereas the compression rate is enhanced by 33%.
Date of Conference: 30 August 2011 - 03 September 2011
Date Added to IEEE Xplore: 01 December 2011
ISBN Information:

ISSN Information:

PubMed ID: 22256028
Conference Location: Boston, MA, USA

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