Towards Driver's State Recognition on Real Driving Conditions

Table 3

The correlation among features.

	Physiological features														Video features
	F2	F3	F4	F5	F6	F7	F8	F9	F10	F11	F12	F13	F14	F15	V1	V2	V3	V4
F1	0.7	0.0	−0.4	0.5	−0.6	−0.6	−0.4	−0.7	−0.2	0.4	0.1	0.3	0.1	−0.2	0.0	−0.4	0.2	0.1
F2		0.0	−0.5	0.1	−0.4	−0.5	−0.4	−0.6	−0.3	0.0	0.0	0.0	0.0	−0.1	−0.1	−0.2	0.0	0.2
F3			0.3	0.1	0.0	0.0	0.0	0.0	−0.2	−0.2	−0.1	−0.1	−0.1	0.0	0.1	0.0	0.0	0.2
F4				−0.1	0.6	0.3	0.1	0.4	0.6	−0.1	0.1	0.0	0.0	0.0	0.0	0.4	−0.1	0.0
F5					−0.7	−0.4	−0.2	−0.4	0.0	0.3	−0.1	0.4	0.1	0.0	0.1	−0.4	0.2	0.0
F6						0.5	0.2	0.5	0.3	−0.4	0.1	−0.3	−0.1	−0.1	0.0	0.7	−0.2	−0.1
F7							0.8	0.7	0.1	−0.2	−0.1	−0.1	0.0	−0.2	0.0	0.3	−0.1	−0.1
F8								0.4	0.0	−0.1	−0.1	−0.1	0.0	0.0	−0.1	0.1	−0.2	0.0
F9									0.1	−0.3	−0.1	−0.2	−0.1	−0.5	0.0	0.3	−0.2	0.0
F10										0.0	0.1	0.1	0.0	0.1	0.0	0.2	0.0	0.0
F11											−0.1	0.3	0.1	0.0	0.0	−0.2	0.1	0.0
F12												−0.1	0.0	0.1	−0.1	0.1	−0.1	0.0
F13													0.3	−0.1	0.1	−0.1	0.2	0.0
F14														0.0	0.1	0.0	0.0	0.1
F15															0.1	0.0	0.1	−0.1
V1																0.2	0.5	−0.7
V2																	0.0	−0.2
V3																		−0.6