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Content Provider | IEEE Xplore Digital Library |
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Author | Kachenoura, A. Gauvrit, H. Senhadji, L. |
Copyright Year | 2003 |
Description | Author affiliation: Laboratoire Traitement du Signal et de l'Image, Rennes I Univ., France (Kachenoura, A.; Gauvrit, H.; Senhadji, L.) |
Abstract | Up to now the diagnosis of sleep apnea syndrome (SAS) is based on the analysis of a polysomnogram. This latter however is costly and uncomfortable for the patient. Therefore, we are working on the elaboration of a small data acquisition system. This communication focuses on a method for recovering from a reduced number of sensors informative signals to establish a diagnostic. The proposed method makes use of the independent component analysis (ICA). Several methods of ICA were applied on electroencephalogram (EEG) and magnetoencephalogram (MEG) signals for artifacts removal. On the contrary to previous works, ICA method in this paper is shown to extract separately the EEG, the electroocculogram (EOG) and the muscular activity (EMG) from a very restricted number of electrodes. Moreover, since we are confronted with an underdetermined problem in ICA (less observations than sources), increasing the number of mixing observations by filtering the signals issued from the restricted channels is demonstrated to be an efficient solution. |
Sponsorship | Whitaker Found |
Starting Page | 2359 |
Ending Page | 2362 |
File Size | 1135048 |
Page Count | 4 |
File Format | |
ISBN | 0780377893 |
ISSN | 1094687X |
DOI | 10.1109/IEMBS.2003.1280390 |
Language | English |
Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Publisher Date | 2003-09-17 |
Publisher Place | Mexico |
Access Restriction | Subscribed |
Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Subject Keyword | Eyes Electrodes Independent component analysis Electroencephalography Sleep apnea Synthetic aperture sonar Data acquisition Magnetic sensors Magnetic separation Electrooculography |
Content Type | Text |
Resource Type | Article |
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