Multisubject Learning for Common Spatial Patterns in Motor-Imagery BCI

Table 1

Classification accuracies per subject for the BCI competition data set.

	5 trials		10 trials		20 trials		30 trials
	𝜆1=10^−3, 𝜆2=10^−1		𝜆1=10^−4, 𝜆2=10^1		𝜆1=10^−3, 𝜆2=10^−1		𝜆1=10^−4, 𝜆2=10^1
Subject	bCSP	mtCSP	bCSP	mtCSP	bCSP	mtCSP	bCSP	mtCSP
aa	0.49	0.73	0.54	0.64	0.66	0.71	0.61	0.69
al	0.80	0.73	0.95	0.93	0.95	0.94	0.94	0.94
av	0.56	0.58	0.59	0.63	0.44	0.62	0.56	0.64
aw	0.69	0.57	0.69	0.56	0.66	0.58	0.55	0.54
ay	0.92	0.86	0.84	0.93	0.85	0.85	0.88	0.87
Mean	0.69	0.69	0.72	0.74	0.71	0.74	0.75	0.79