html.
The GAMMApage software available from Paul Sherman at http://www.pcbypaul.com/
software/GAMMApage.html uses Norman Koren??™s charts to provide an interactive tool
for gamma adjustment.
9.4 Color Management Systems
For most purposes, the color accuracy provided by modern computer systems and
peripherals as shipped from the manufacturer is sufficient. But higher-accuracy color
reproduction is critical for certain types of work, including professional photography,
graphic design, and fashion. A color management system (CMS) uses a numeric
model of an output device to accurately map between a color space and that device.
The device model is called a profile; the International Color Consortium (ICC) manages
and promotes specifications for vendor-neutral, cross-platform color profiles.
In X11R5, the X Color Management System (Xcms) was introduced, based on technology
provided by Tektronics. Xcms was primarily concerned with loading display
color correction tables into the root window properties, and then using these properties
within client programs to adjust the colors drawn on the screen??”but Xcms was
poorly documented and never really caught on, and it did not use ICC profiles.
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