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IMAGING GLOSSARY

YIQ (color imaging)

(Y) luminance, (I), (Q). YIQ is the color model used for U.S. commercial television.

It was designed to be backwards compatible with the old black and white television sets.

"Y" or luminance is a weighted average of the red, green, and blue that gives more weight to red and green than to blue. The I and Q contain the color components. Together they are called chromaticity.

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