英语词汇“chrominance”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-新都网

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.

单词	chrominance
释义	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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