Title :
Adaptive EEG transient event discrimination using dynamic LMS filter weight leakage
Author :
Campbell, Duncan A.
Author_Institution :
Dept. of Electron. Eng., La Trobe Univ., Bundoora, Vic., Australia
Abstract :
The EEG is a highly complex and dynamic signal comprising a large ensemble of time-varying, statistical properties. Such diverse signal properties pose significant challenges in processing the EEG. A dynamic weight leakage based LMS adaptive linear predictor has been developed to discriminate for transient events within the EEG, and in particular, epileptiform discharges. The resulting procedure improves the SNR of these events by at least two-fold, leading to greater selectivity in subsequent epileptiform event detection stages
Keywords :
adaptive signal processing; diseases; electroencephalography; filtering theory; least mean squares methods; medical signal detection; medical signal processing; prediction theory; SNR; adaptive EEG transient event discrimination; dynamic LMS filter weight leakage; dynamic weight leakage based LMS adaptive linear predictor; epileptiform discharges; epileptiform event detection stages; highly complex dynamic signal; selectivity; time-varying statistical properties; transient events; Adaptive filters; Electroencephalography; Epilepsy; Equations; Event detection; Humans; Least squares approximation; Signal processing; Signal processing algorithms; Surface morphology;
Conference_Titel :
Signal Processing and Its Applications, 1999. ISSPA '99. Proceedings of the Fifth International Symposium on
Conference_Location :
Brisbane, Qld.
Print_ISBN :
1-86435-451-8
DOI :
10.1109/ISSPA.1999.818186