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Grey-scale

<graphics> (US "gray-scale") 1. Composed of (discrete) shades of grey.

If the pixels of a grey-scale image have N bits, they may take values from zero, representing black up to 2^N-1, representing white with intermediate values representing increasingly light shades of grey.

If N=1 the image is not called grey-scale but could be called monochrome.

2. A range of acurately known shades of grey printed out for use in calibrating those shades on a display or printer.

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green monitor Green's Theorem Greenwich Mean Time Greg Olson grep	anti-aliasing gray-scale grey-scale Joint Photographic Experts Group monochrome	Greystone Technologies GRG GRIB grick grilf