Skip to main content

Table 3 A qualitative comparison of the three data reduction methods discussed in this paper.

From: Time-Frequency Data Reduction for Event Related Potentials: Combining Principal Component Analysis and Matching Pursuit

Method/Properties Data dependent Time-Frequency Parametrization Computation time Variance versus Covariance
PCA Yes No 3.2 sec Covariance
PCA-Gabor Yes Yes 11.6 sec Covariance
SMP-Gabor No Yes 1276 sec Variance