Hi Rolf, Thank you again for this clarification. I scanned the picture with the GIMP- plugin, so there should not be any data loss. It seams that scangear improves the image automatically, so I will try to accomplish this with GIMP.
Cheers, Martin Am Dienstag, 18. August 2015, 22.50:02 schrieb Rolf Bensch: > Hi Martin, > > The backend isn't responsible for any artefacts, it handles the scanned > data 1:1 to the saved image colour file. The Pixma backend only > manipulates the images for grayscale and lineart (1 bit b/w) output formats. > > OK, there is some loss with image compression algorithms. If you have > trouble with this, you should select lossless image formats. > > Maybe you should test different scan resolutions. > > Hope this helps. > > Cheers, > Rolf > > Am 18.08.2015 um 13:32 schrieb Martin: > > I noticed diagonal stripes on some scanned pictures. > > > > In order to verify that it is not on the picture but an artifact of sane > > I scanned the same picture with Canon's scangear-progam on a > > Windows-system. That picture does not have the stripes. > > > > > > > > Please find the image scanned with xsane attached. > > > > > > > > Cheers, > > > > Martin -- sane-devel mailing list: sane-devel@lists.alioth.debian.org http://lists.alioth.debian.org/cgi-bin/mailman/listinfo/sane-devel Unsubscribe: Send mail with subject "unsubscribe your_password" to sane-devel-requ...@lists.alioth.debian.org
