Table 5.

Average runtimes for all the tasks involved in the presented operating microscope-based digitization of 3D points. The tasks are executed per stereo image pair unless otherwise noted.

Task	Average Time
Acquisition of stereo video	0.03s, 29.5 fps
Initial stereo calibration (done once)	30s
Stereo rectification	0.06s
BM stereo reconstruction	0.3s
SURF keypoints	0.2s
Matching & Homography	0.2s
Estimation of $\tilde{\alpha }$ & Divergence	0.1s
Total Digitization Time	0.9s