gamma4scanimage(1) SANE ( ) gamma4scanimage - scanimage gamma4scanimage gamma [shadow [highlight [maxin [maxout]]]] gamma4scanimage scanimage. gamma shadow highlight. (maxin) (maxout) . gamma 1.0. 1.0 . shadow . shadow [0..maxin]. 0. highlight maxout. highlight [0..maxin] shadow. maxin (16383 ). maxin . /. 8 maxin 255 1023 10 4095 12 16383 14 . 16383. maxin scanimage(1) [0]0-[99999]255 scanimage(1) . maxout . scanimage -h maxout. 255. scanimage --custom-gamma=yes --gamma-table `gamma4scanimage 1.8 0 11500 16383 255` >image.pnm sane(7), scanimage(1) Oliver.Rauch@Rauch-Domain.DE 3 . . : . 10 2008 gamma4scanimage(1)