> First you must make sure that the backend you are using supports the > gamma table options. Some do not, and just have brightness/contrast > type controls. > > allan
Hi Allan, I can use either the epson2 backend or epkowa and I think one or the other supports gamma tables. Can you tell me how to determine the gamma, shadow, and highlight values? - Grant >> Since my scans are for on-screen display only, I'd like to use a gamma >> table in place of an ICC profile. ?It sounds like I need to determine >> values for gamma, shadow, and highlight so gamma4scanimage can >> generate the gamma table. ?How can I determine those values? ?Am I >> supposed to scan targets? >> >> - Grant