Research Article

Machine Learning-Based Distraction-Free Method for Measuring the Optical Displacement of Long-Span Bridge Structures

Table 1

Scale factor calibration results for seven target points.

iControl section (span)OPi = Li (m)SFi (mm/pixel)

01/8165.1012.96
32/8271.2521.52
73/8378.4529.93
104/8486.0038.30
135/8593.7146.67
166/8701.5255.05
197/8809.3763.42