Title :
Recursive digital filter for fast visual evoked potential estimation and classification
Author :
Palaniappan, R. ; Raveendran, P.
Author_Institution :
Fac. of Eng., Malaya Univ., Kuala Lumpur, Malaysia
fDate :
7/19/2001 12:00:00 AM
Abstract :
Generally, visual evoked potential (VEP) estimation requires power spectrum computation. Here VEP is estimated using a recursive digital filter, which is faster and simpler to design. The method assumes VEP can be represented by a 40 Hz spectrum and the filter extracts a 40 Hz signal in the time domain, circumventing the normal procedure of power spectrum computation. Experimental results validate the method for discriminating alcoholics from control subjects
Keywords :
medical signal processing; neurophysiology; patient diagnosis; recursive filters; visual evoked potentials; 40 Hz; alcoholics classification; bioelectric potentials; fast visual evoked potential estimation; recursive digital filter; visual evoked potential classification;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:20010640
