Research Article
Scale-Dependent Signal Identification in Low-Dimensional Subspace: Motor Imagery Task Classification
Figure 6
The average power spectra of for all four subjects in BCI Competition IV Dataset I. Note that our method computes the average power spectra from the identified information-bearing IMFs at the first four scales for all 200 trials of each subject.
(a) Subject |
(b) Subject |
(c) Subject |
(d) Subject |