> > > If we use a checkerboard for calibration, we compute both the > > focal length and the distortion, so the result will be correct > > because this relationship is independent from the focus. > > If I understand you correctly, you assume that a lens at 200mm > nominal and close focus, which actually has only 135mm, exhibits the > same distortion as the same length as 135mm nominal and focus at > infinity? >
Yes > Are you interested if we propose a pull request with a new calibration > > binary (with OpenCV optional at compile time)? > > I personally no. I do not believe in checkerboard calibrations for > reasons I have stated earlier. > It could be nice to validate with tests instead of just "believing", isn't it?
------------------------------------------------------------------------------
_______________________________________________ Lensfun-users mailing list Lensfun-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/lensfun-users
