Wavelet Kernel Principal Component Analysis in Noisy Multiscale Data Classification

Figure 4

The plots of coefficients of wavelet approximation of sample EEG signals at various wavelet decomposition level, that is, 10, 9, and 8.

(a) Set A, at level 10

(b) Set E, at level 10

(c) Set A, at level 9

(d) Set E, at level 9

(e) Set A, at level 8

(f) Set E, at level 8