High-Accuracy Measurement of Three-Dimensional Inclinations of Power Transmission Towers Using Reconstruction Model of Stereo Images

Table 3

The calculated and measured values of 3D inclinations by different methods (unit: degree).

Method	The values of 3D inclination			Maximum absolute error
	Inclinometer (true values)	–	5.00		5.00	0.00
The proposed method	0.07	4.93	5.05	0.07
MAD method	0.31	5.64	4.15	0.85
SAD method	0.34	5.41	4.31	0.69
SSD method	0.28	4.79	5.26	0.28
MSD method	0.45	5.89	4.51	0.89
NCC method	0.10	4.87	5.09	0.13
SSDA method	0.24	4.73	4.85	0.27
SATD method	0.21	4.76	5.19	0.24