Henning Meier-Geinitz wrote: > Hi, > > On Wed, Jun 11, 2003 at 07:51:40PM -0500, Theodore Kilgore wrote: > >>What are "gamma" > > > Very much simplified: A gamma table is used to transfer the color > space used by your input device (scanner, camera) to the color space > of your output device (display, printer). A gamma value (or factor) > can be used to create a gamma table. > > Search for "gamma table" and "gamma factor" at google and you'll find > lots of documentation. >
There is a link in the SANE-FAQ to the colorspace FAQ. If you want to know more about gamma, look at Carles Poynton's FAQs on color and gamma. >>and "bayer" Bayer is a dithering algoritm; it uses fixed paterns. For an example of the 4x4 patterns see: http://tiger.technion.ac.il/~cgcourse/lectures/4-intensity/sld007.htm > <..> -- (c) ljm @ xs4all . nl. No part of this copyright message may be reproduced, read or seen, dead or alive or by any means, including but not limited to telepathy without the benevolence of the author.