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Authors: Hugo Simões 1 ; Gabriel Pires 1 ; Urbano Nunes 2 and Vitor Silva 2

Affiliations: 1 Institute of Systems and Robotics, University of Coimbra, Portugal ; 2 University of Coimbra – Polo II, Portugal

ISBN: 978-989-8425-02-7

Keyword(s): Feature Extraction, Feature Selection, EEG Sleep Staging, Bayesian Classifier.

Related Ontology Subjects/Areas/Topics: Biomedical Engineering ; Biomedical Signal Processing ; Computer Vision, Visualization and Computer Graphics ; Feature Extraction ; Features Extraction ; Image and Video Analysis ; Informatics in Control, Automation and Robotics ; Signal Processing, Sensors, Systems Modeling and Control ; System Identification ; Time and Frequency Response ; Time-Frequency Analysis

Abstract: Sleep disorders affect a great percentage of the population. The diagnostic of these disorders is usually made by a polysomnography, requiring patient’s hospitalization. Low cost ambulatory diagnostic devices can in certain cases be used, especially when there is no need of a full or rigorous sleep staging. In this paper, several methods to extract features from 6 EEG channels are described in order to evaluate their performance. The features are selected using the R-square Pearson correlation coefficient (Guyon and Elisseeff, 2003), providing this way a Bayesian classifier with the most discriminative features. The results demonstrate the effectiveness of the methods to discriminate several sleep stages, and ranks the several feature extraction methods. The best discrimination was achieved for relative spectral power, slow wave index, harmonic parameters and Hjorth parameters.

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Paper citation in several formats:
Simões H.; Pires G.; Nunes U.; Silva V. and (2010). FEATURE EXTRACTION AND SELECTION FOR AUTOMATIC SLEEP STAGING USING EEG.In Proceedings of the 7th International Conference on Informatics in Control, Automation and Robotics - Volume 3: ICINCO, ISBN 978-989-8425-02-7, pages 128-133. DOI: 10.5220/0002950601280133

@conference{icinco10,
author={Hugo Simões and Gabriel Pires and Urbano Nunes and Vitor Silva},
title={FEATURE EXTRACTION AND SELECTION FOR AUTOMATIC SLEEP STAGING USING EEG},
booktitle={Proceedings of the 7th International Conference on Informatics in Control, Automation and Robotics - Volume 3: ICINCO,},
year={2010},
pages={128-133},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0002950601280133},
isbn={978-989-8425-02-7},
}

TY - CONF

JO - Proceedings of the 7th International Conference on Informatics in Control, Automation and Robotics - Volume 3: ICINCO,
TI - FEATURE EXTRACTION AND SELECTION FOR AUTOMATIC SLEEP STAGING USING EEG
SN - 978-989-8425-02-7
AU - Simões, H.
AU - Pires, G.
AU - Nunes, U.
AU - Silva, V.
PY - 2010
SP - 128
EP - 133
DO - 10.5220/0002950601280133

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