chrominance
/ˈkrəʊmɪnəns
/noun [mass noun]
The colorimetric difference between a given colour in a television picture and a standard colour of equal luminance.This transform space allows luminance and chrominance to be processed separately....
- A sequence of passes separates the luminance and chrominance information from the composite video signal and demodulates the color carrier to separate out color information.
- The value of a blending coefficient for a pixel in the graphic is based on the luminance and chrominance characteristics of a neighborhood of pixels in the video.
Origin
1950s: from Greek khrōma 'colour', on the pattern of luminance.
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