The Feasibility Assessment Study of Bridge Crack Width Recognition in Images Based on Special Inspection UAV

Table 9

Test results of arch bridge (crosswind, side).

Items	6 m	5.0 m	4.0 m	3.5 m	3.0 m	2.5 m
Level 0	0.989	0.994	0.987	0.986	0.979	0.976
Level 1	0.981	0.997	0.998	0.974	0.972	0.969
Level 2	0.995	0.988	0.974	0.968	0.958	0.886