Research Article

Multisubject Learning for Common Spatial Patterns in Motor-Imagery BCI

Figure 3

Cross-validation accuracies per parameter combination of 𝜆 1 and 𝜆 2 on the BCIC3 data set. We performed 5-fold cross-validation per subject. Averaging the result over all folds and all subjects gives the final result as plotted in the figure.
217987.fig.003a
(a) BCIC3 data set
217987.fig.003b
(b) BCIC3 data set