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

Table 4

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

Number of channels	1	2	3	4	5	6	7	8	9	10
FE	70.83	92.25	97.17	98.78	98.88	99.10	99.22	99.13	99.12	99.22
Number of channels	11	12	13	14	15	16	17	18	19	20
FE	99.13	99.15	98.92	99.08	99.10	99.07	99.10	99.05	99.07	99.03
Number of channels	21	22	23	24	25	26	27	28	29	30
FE	99.07	99.07	99.07	99.12	99.22	99.08	99.07	99.00	99.08	99.05