Monochrome and Color Dithering
Dithering techniques are used to render images and graphics with more apparent
colors than are actually displayable. Dithering is sometimes called
digital half-toning.
When our visual systems are confronted with large regions
of high-frequency color changes they tend to blend the individual colors into
uniform color field. Dithering attempts to uses this property of perception to
represent colors that cannot be directly represented.
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