Hallöchen! Jonathan Niehof writes:
> [...] > > The OOC JPG appear to be completely uncorrected, so there is that > at least. However the distortion parameters currently in the > database are dubious, particularly for 8.3mm, with Rd/Ru = 1.5 at > the center of the image! Definitely dubious. BTW, this is very old data from the beginnings of Lensfun. > There's a nice tutorial for manual lens calibration, similar to > Torsten's screencast but with the new interface, at > http://hugin.sourceforge.net/tutorials/calibration/en.shtml . Actually, this is the origin of the method that I recommend. > However, I think I got the best results with the automatic tool > documented at http://wiki.panotools.org/Calibrate_lens_gui Well, I accept data created with this tool in Lensfun's database but I don't recommend it. In most cases, getting lines running across the whole image *in one segment* is tricky. Mostly, the tool can detect only multiple fragments of lines. One can play with the parameters, or one can pre-edit the image (enhance contrast) but then the convenience advantage is lost. YMMV. Tschö, Torsten. -- Torsten Bronger Jabber ID: [email protected] ------------------------------------------------------------------------------ _______________________________________________ Lensfun-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/lensfun-users
