Abstract
An automatic procedure for the analysis of an all-night sleep electroencephalogram is presented. This is an iterative method. Its initialization relies on an a priori fixed database, the latter being iteratively updated so that it matches the signal to be analyzed. Parameter coming from database are normalized power spectra in predefined frequency bands. The novelty of our approach is to use only a single electroencephalogram channel, without getting information from either electrooculogram or electromyogram. The main part of the procedure (double-scale electroencephalogram analysis), performed on-line, is followed by a very short off-line processing yielding a real-time implementation of the process.
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