The Effects of Campus Bump on Drivers’ Fixation Dispersion and Speed Reduction

Table 1

Camera calibration results and the errors.

Testing points	Image plane (pixel)		World coordinate (m)
	Horizontal axis	Vertical axis	-axis (observed)	-axis (computed)	Error	-axis (observed)	-axis (computed)	Error
P1	2030.8	1231.3	2.81	2.09	0.09	−13.18	−13.32	0.14
P2	2394.3	1051.8	2.25	2.06	0.20	−25.17	−25.13	0.04
P3	1991.8	1966.3	13.06	13.27	0.21	−16.49	−16.38	0.11
P4	1627.3	1700.3	8.1	8.27	0.17	5.34	5.33	0.01
P5	1524.3	1695.3	7.38	7.61	0.24	14.36	14.20	0.16
P6	1445.8	1523.3	2.32	2.28	0.04	26.59	26.83	0.25
P7	1557.8	1466.8	2.25	2.21	0.04	15.43	15.39	0.04