05-26-2006, 07:42
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#3
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Guerrilla Chief
Join Date: Aug 2005
Location: Indiana
Posts: 695
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Full text: http://www.webstyleguide.com/graphics/dither.html
Quote:
Dithering
Full-color photographs may contain an almost infinite range of color values. Dithering is the most common means of reducing the color range of images down to the 256 (or fewer) colors seen in 8-bit GIF images.
Dithering is the process of juxtaposing pixels of two colors to create the illusion that a third color is present. A simple example is an image with only black and white in the color palette. By combining black and white pixels in complex patterns a graphics program like Adobe Photoshop can create the illusion of gray values:
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Sten is offline
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