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Chroma Key
offline posted 2004 Jul 25 04:10
The Chroma Key process is based on the Luminance key. In a luminance key, everything in the image over (or under) a set brightness level is "keyed"out and replaced by either another image, or a color from a color generator. Also known as Blue Screen Compositing, the
Chroma Key Process was made famous by films such as star wars where spacecraft miniatures were composited onto starfield backgrounds.




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