Recognition of Transient Phenomena in a Biosignal
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Electrical Activity of a human brain measured on the skull (electroencephalogram, EEG) contains in the sleep period many transients (sleep spindles, spike-like structures or vertex waves), i. e. bursts of EEG activity of limited duration, having random occurrence and may be coupled with specific sleep stages. A computer-based detector was designed that detects a transient called K-complex. The detector is based on linear matched filtering and its nonlinear modifications. The linear and nonlinear approaches are compared and evaluated with respect to the detection efficiency.
Document typePeer reviewed
Document versionFinal PDF
SourceRadioengineering. 2000, vol. 9, č. 1, s. 1-3. ISSN 1210-2512
- 2000/1