Accuracy Assessment for the Three-Dimensional Coordinates by High-Speed Videogrammetric Measurement

Table 2

Accuracy of the point coordinates obtained from the two-camera stereo videogrammetric system.

ID	Coordinates from the videogrammetric technique (m)			Coordinates from the electric total station (m)			Difference (mm)
	X	Y	Z	X	Y	Z
3	5.6080	6.9134	2.0295	5.6087	6.9140	2.029	0.7	0.6	0.5
7	4.8303	6.8224	1.1814	4.8301	6.8221	1.1821	0.4	0.5	0.7
8	5.1936	6.9140	0.7882	5.1932	6.9142	0.7884	0.4	0.2	0.5
11	4.5875	6.7310	0.3264	4.5871	6.7303	0.3261	0.4	0.7	0.3
RMS errors of coordinates							0.49	0.53	0.52