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

Table 2

Experimental conditions.

Items	Conditions
Types of bridge	Beam, arch
Wind direction	Tailwind, crosswind
Inspection position	Side, bottom
Wind speed	Level 0 (0–0.2 m/s), level 1 (0.3–1.5 m/s), and level 2 (1.6–3.3 m/s)