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Fixing distortion in photographic reproductions

In a general setting, multiple observations of a calibration target are needed because otherwise the focal length parameter(s) and principle point parameters are coupled so you would not be able to ...
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Calibration using Camera Calibration Toolbox for Matlab vs OpenCV

The main reason you are not getting similar results is that you've used different camera models. With OpenCV you are using the highest order radial distortion coefficient k3 while it was excluded (...
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Fixing distortion in photographic reproductions

I answered a related question in SO some time ago. Briefly, you can work your setup through a standard camera calibration procedure, and you have the option of "freezing" the focal length to ...
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