[Retracted] Intelligent Edge Computing Detection Vehicle and Detection Method Based on Tunnel Lining Concrete

Table 7

Comparison result data table of crack width detected by different methods.

Groups	The maximum width of the crack measured by the system	Maximum width of cracks measured manually	Deviation	Accuracy (%)
A	2.08	1.92	0.16	7.69
B	1.94	2.12	0.18	9.28
C	2.22	2.37	0.15	6.76
D	2.45	2.88	0.43	17.55
E	1.81	1.93	0.12	6.63
F	2.50	2.72	0.22	8.80
G	2.40	2.53	0.13	5.42
H	2	2.24	0.24	12.00