Dear George, I am a student from China. I 'm very interested in IC GL846 and I have been working for more than half a year on analysing and driving it. for now,I can write some codes to make it work,and I have obtained some scanned images ,but I have no idea to finish the shading (coarse and fine calibration ?) and gamma calibration ,especially gamma calibration. Have you done some work on it ? Can you help me? Thank you ? Best Regards, Pengchang Zhang -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.alioth.debian.org/pipermail/sane-devel/attachments/20090926/79c7f573/attachment.htm>