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.
(a) BCIC3 data set
(b) BCIC3 data set