Definition of chrominance in English:

chrominance

noun ˈkrəʊmɪnənsˈkrōmənəns

mass noun

The colorimetric difference between a given colour in a television picture and a standard colour of equal luminance.
色度
Example sentencesExamples
- 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.
- Color images typically have three components, corresponding to the red, green, and blue intensities, or the luminance and two chrominance components.
- 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.
- Typically, each pixel is encoded for luminance, but chrominance is averaged for groups of four pixels, saving about half the bandwidth required to transmit the full-resolution image.

Origin

1950s: from Greek khrōma 'colour', on the pattern of luminance.

Definition of chrominance in US English:

chrominance

nounˈkrōmənəns

The colorimetric difference between a given color in a television picture and a standard color of equal luminance.
色度
Example sentencesExamples
- 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.
- This transform space allows luminance and chrominance to be processed separately.
- Typically, each pixel is encoded for luminance, but chrominance is averaged for groups of four pixels, saving about half the bandwidth required to transmit the full-resolution image.
- Color images typically have three components, corresponding to the red, green, and blue intensities, or the luminance and two chrominance components.
- 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.

Origin

1950s: from Greek khrōma ‘color’, on the pattern of luminance.

单词	chrominance
释义	Definition of chrominance in English: chrominance noun ˈkrəʊmɪnənsˈkrōmənəns mass noun The colorimetric difference between a given colour in a television picture and a standard colour of equal luminance. 色度 Example sentencesExamples 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. Color images typically have three components, corresponding to the red, green, and blue intensities, or the luminance and two chrominance components. 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. Typically, each pixel is encoded for luminance, but chrominance is averaged for groups of four pixels, saving about half the bandwidth required to transmit the full-resolution image. Origin 1950s: from Greek khrōma 'colour', on the pattern of luminance. Definition of chrominance in US English: chrominance nounˈkrōmənəns The colorimetric difference between a given color in a television picture and a standard color of equal luminance. 色度 Example sentencesExamples 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. This transform space allows luminance and chrominance to be processed separately. Typically, each pixel is encoded for luminance, but chrominance is averaged for groups of four pixels, saving about half the bandwidth required to transmit the full-resolution image. Color images typically have three components, corresponding to the red, green, and blue intensities, or the luminance and two chrominance components. 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. Origin 1950s: from Greek khrōma ‘color’, on the pattern of luminance.
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