What you may want to do is go back in your history and see if there is a stage at which everything is correct. For my Nikon I've found that some of the automatically applied modules make the colors go wonky.
On Thu, Jun 15, 2017 at 7:02 AM, Tobias Ellinghaus <[email protected]> wrote: > Am Donnerstag, 15. Juni 2017, 00:49:09 CEST schrieb Émile Cordonnier: > > Hi, > > > > I have *jpg* files (not post-processed by me) for which I suspect a > problem > > with icc profile (not because of darktable, but darktable seems to reveal > > the problem) : > > > > > > - When I open them in the darkroom, there is less contrast and > > saturation than in the original full-screen lighttable thumbnail. > > - If in the "input color profile" module I change from "embedded ICC > > profile" to "Adobe RGB", the contrast and color are the same as the > > initial thumbnail in the lighttable. > > - If I modify the image (like change back to "embedded ICC") and go > back > > to lighttable, the thumbnail is now like in the darkroom (little > > contrast/saturation). > > > > > > The embedded ICC profile is sRGB. I suspect that the embedded ICC profile > > is wrong and should have been AdobeRGB (this behavior in darktable > appears > > only for images post-processed by Capture NX-D, not images from camera > sent > > by the same person). > > Could you send me such a file? I'd like to have a look, just to be sure. > > > What I don't understand, though, is why the first thumbnail in lightable > > was different (like with an AdobeRGB profile). > > I have read 2.2.3.1. Thumbnail creation > > <http://www.darktable.org/usermanual/ch02s02s03.html.php> and color > manage > > cached thumbnails <http://www.darktable.org/usermanual/ch08s02.html.php> > (it > > is on), but I still does not understand this case. I use darktable 2.2.5. > > > > If someone has an explanation... > > What I guess is happening is this: The JPEGs have an embedded preview > which is > used by darktable initially. This one seems to be correct wrt. color > profiles. > The image itself however is most likely using the wrong profile (I can only > tell for sure once I got such a file) and thus shows wrong colors. Once the > image was opened in darkroom darktable creates its own (wrong) thumbnail > and > uses that. > > > Thank you, > > Émile > > Tobias -- :-)~MIKE~(-: ____________________________________________________________________________ darktable user mailing list to unsubscribe send a mail to [email protected]
