A System of Driving Fatigue Detection Based on Machine Vision and Its Application on Smart Device

Table 3

Mean values of PERCLOS in different stages in 6 subjects.

PERCLOS	Subjects
	Sub. 1	Sub. 2	Sub. 3	Sub. 4	Sub. 5	Sub. 6	Mean
10~17 m (at the beginning)	0.001	0.007	0.016	0.001	0.002	0.042	0.012
63~70 m (at the end)	0.011	0.025	0.059	0.003	0.006	0.146	0.042
Difference	0.010	0.018	0.043	0.002	0.004	0.104	0.030
Escalating rate	10.000	2.571	2.688	2.000	2.000	2.476	3.623