Camera Calibration
These are the results of a camera calibration using Bouguet's calibration toolkit
Contents
clear close all load Calib_Results dont_ask = 1; % suppress queries
photo_info; fprintf('\nUsing (wintx,winty)=(%d,%d) - Window size = %dx%d\n',wintx,winty,2*wintx+1,2*winty+1); fprintf('Note: To reset the window size, run script clearwin (or just clear wintx winty)\n'); fprintf('and run ''Extract grid corners'' again from gui\n'); fprintf('\nChecker square size dX %g dY %g\n',dX_default,dY_default);
Image base name: 2012_0524_ Image format: JPG Camera Make: FUJIFILM Camera Model: FinePix6900ZOOM Image size: 2048 x 1536 Focal length: 9.7 Using (wintx,winty)=(16,16) - Window size = 33x33 Note: To reset the window size, run script clearwin (or just clear wintx winty) and run 'Extract grid corners' again from gui Checker square size dX 3 dY 3
calibration results
show_calib_results;
Calibration results (with uncertainties): Focal Length: fc = [ 2523.94224 2507.20536 ] ± [ 8.31972 8.98468 ] Principal point: cc = [ 960.69629 780.89356 ] ± [ 14.57632 16.16431 ] Skew: alpha_c = [ 0.00000 ] ± [ 0.00000 ] => angle of pixel axes = 90.00000 ± 0.00000 degrees Distortion: kc = [ -0.18509 0.48400 -0.00706 -0.00572 0.00000 ] ± [ 0.01685 0.12889 0.00159 0.00136 0.00000 ] Pixel error: err = [ 0.15170 0.23660 ] Note: The numerical errors are approximately three times the standard deviations (for reference).
calibration extrinsics
close all;
ext_calib;
reproject_calib
reproject_calib;
Loading image 1...2...3... done Pixel error: err = [0.15170 0.23660] (all active images)
visualize distortion
visualize_distortions;
