Journal of Engineering and Applied Science

Table 4 Comparison of target identification between the algorithm of this paper and Fu YJ’s

From: Evaluation of new target structure and recognition for point cloud registration and coordinates transformation of China’s large double-span bridge

		Algorithm of this paper			Fu YJ ‘s			Difference value (mm)
Number	Feature	\(x\)(m)	\(y\)(m)	\(z\)(m)	\(x\)(m)	\(y\)(m)	\(z\)(m)	\(\Delta x\)	\(\Delta y\)	\(\Delta z\)
1	Full	− 2.1633	46.6642	− 0.2360	− 2.1632	46.6643	− 0.2361	− 0.1	0.0	0.0
	Defects1/3	− 2.1633	46.6642	− 0.2361	− 2.1632	46.6642	0.2360	− 0.1	0.0	0.0
	Defects2/3	− 2.1632	46.6643	− 0.2359	− 2.1633	46.6642	− 0.2360	0.1	0.1	0.1
	Cover 1/3	− 2.1629	46.6634	− 0.2360	− 2.1631	46.6632	− 0.2362	0.2	0.2	0.2
	Cover 2/3	− 2.1630	46.6626	− 0.2367	− 2.1632	46.6625	− 0.2369	0.2	0.1	0.2
2	Full	− 22.0447	55.1666	2.3041	− 22.0446	55.1666	2.3040	− 0.1	0.0	0.0
3	Full	− 24.0349	27.4989	− 0.2163	− 24.0349	27.4989	− 0.2163	0.0	0.0	0.0

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