Full-Field Displacement Measurements of Helicopter Rotor Blades Using Stereophotogrammetry

Table 1

Calibration results.

Calibration parameters	Camera 1	Camera 2
Equivalent focal length ()	(3514.285, 3511.958)	(3369.451, 3368.075)
Principal point ()	(1057.045, 981.697)	(1033.427, 1038.164)
Skewness coefficient	0	0
Radial distortion coefficients ()	(-0.109, 0.204)	(-0.054, -0.507)
Rotation matrix R
Translation vector	(0 0 0)^T	(-1109.584 100.053 12.965)^T