A New Feature Analysis Approach to Selecting Channels of EEG for Fatigue Driving

Table 6

Recognition accuracy of each channel subset based on KNN classifier (Unit: %).

Number of channels	1	2	3	4	5	6	7	8	9	10
Theta_Std+FE	85.93	93.58	96.03	96.72	97.07	99.45	99.27	99.33	99.27	99.42
Number of channels	11	12	13	14	15	16	17	18	19	20
Theta_Std+FE	99.27	99.40	99.30	99.33	99.38	99.33	99.28	99.38	99.35	99.32
Number of channels	21	22	23	24	25	26	27	28	29	30
Theta_Std+FE	99.37	99.30	99.30	99.20	99.32	99.23	99.32	99.32	99.30	99.23