TLS-Based Feature Extraction and 3D Modeling for Arch Structures

Table 2

Uncertainties of two forms of curves with unit mm.

	X	Y	Z
P methods
E3
C(X)	1.41	⋯	⋯
C(Y)	0.62	0.28	⋯
C(Z)	−0.18		0.31
SD	37.49	16.70	17.51
E9
C(X)	0.61	⋯	⋯
C(Y)	0.28	0.13	⋯
C(Z)			0.17
SD	24.75	11.26	12.98
B methods
E3
C(X)		⋯	⋯
C(Y)			⋯
C(Z)
SD	2.84	1.34	1.45
E9
C(X)		⋯	⋯
C(Y)			⋯
C(Z)
SD	2.60	1.20	1.40