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Table 1 The comparison of the variance explained by the PCA, PCA-Gabor, and SMP-Gabor for two simulated datsets: 3-logons and 3-logons in noise.

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

Data Set PCA PCA-Gabor SMP-Gabor
3 Logons 99.97% 95.73% 95.73%
3 Logons in Noise 81.38% 90.78% 38.20%