On Sun, Jul 29, 2018 at 5:27 PM, Guy Rutenberg <guyrutenb...@gmail.com> wrote: > Hi, > > I'm trying to remove lens distortion for Canon PowerShot SX710HS with CHDK's > DNG. The original firmware does a pretty good job at it when saving jpegs, > and if I'll manage the same result with the DNG I'll be glad. > > CHDK will save alongside each DNG the jpeg as the original firmware would > process it, and specifically lens corrected. > > Can I use the DNG along with the lens corrected jpg to derive the lens > distortion coefficients (for specific focal length)? If so, what the best > way to do it? I thought maybe something like matching the to images in hugin > and somehow deriving the distortion. Why not just profile the camera/lens as usual?
It will likely require same level of effort (or less, given that the procedure is known), and will likely produce better results yet. > Thanks, > Guy Roman. > ------------------------------------------------------------------------------ > Check out the vibrant tech community on one of the world's most > engaging tech sites, Slashdot.org! http://sdm.link/slashdot > _______________________________________________ > Lensfun-users mailing list > Lensfun-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/lensfun-users > ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ Lensfun-users mailing list Lensfun-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/lensfun-users
