Table C1

Intrinsic and extrinsic parameters obtained from calibration of the stereo-DIC system.

  1st calibration 2nd calibration
Parameters Cam. 1 Cam. 2 Cam. 1 Cam. 2
Rotations (°) 37.034, −2.979, −2.157 36.014, 6.378, −0.854 15.849, −3.374, −0.012 17.421, 7.240, −0.777
Positions (mm) −14.246, −195.191, 645.764 −22.327, −192.428, 653.943 −17.615, −90.698, 711.903 10.051, −112.259, 857.874
Focal length (mm) 43.158 43.340 41.422 49.152
Scale factor (pixel/mm) 11.151 10.496

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