Number of Channels

Classifier

Classification Accuracy (%)

Subject A

Subject B

5 Trials

15 Trials

Our scheme

17

13

LDA

68

92

First ranked [11]

64

64

SVM

73.5

96.5

Second ranked [4]

11

10

SVM

55

90.5

Our previous work [12]

26

19

BLDA

69.5

93