chrominance
noun Etymology: chrom- + luminance Date: 1952 the difference between a color and a chosen reference color of the same luminous intensity in color television

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • Chrominance — (chroma or C for short) is the signal used in video systems to convey the color information of the picture, separately from the accompanying luma signal (or Y for short). Chrominance is usually represented as two color difference components: U =… …   Wikipedia

  • chrominance — [ krɔminɑ̃s ] n. f. • 1957; mot angl. 1952, du gr. khrôma « couleur », d apr. luminance ♦ Audiovis. Représentation des informations relatives à la couleur d une image de télévision. Signal de chrominance. ● chrominance nom féminin Signal de… …   Encyclopédie Universelle

  • chrominance — [krō′mə nəns] n. [ CHROM(O) + (LUM)INANCE] that attribute of light which produces the sensation of color apart from luminance; specif., the color of an object as measured quantitatively in terms of a reference color …   English World dictionary

  • Chrominance — La chrominance désigne la partie de l image vidéo correspondant à l information de couleur. Il a été indiqué, pour la luminance, que l information de couleur est fournie à partir de 3 couleurs primaires : R, G et B, pour respectivement, le… …   Wikipédia en Français

  • Chrominance — A&V That portion of the video signal which contains the color information (hue and saturation). Video picture information contains two components: luminance (brightness and contrast) and chrominance (hue and saturation). VP The colour level or… …   Audio and video glossary

  • chrominance — spalvis statusas T sritis fizika atitikmenys: angl. chrominance vok. Chrominanz, f rus. цветность, f pranc. chrominance, m …   Fizikos terminų žodynas

  • chrominance — F/A/V the color portion of a composite or S Video signal. TV Portion of video signal that carries color information (hue and saturation, but not brightness); frequently abbreviated as C, as in “Y/C” for luminance/chrominance.[See luminance.] …   Audio and video glossary

  • chrominance — /kroh meuh neuhns/, n. Optics. the difference in color quality between a color and a reference color that has an equal brightness and a specified chromaticity. [1950 55; CHROM + (LUM)INANCE] * * * …   Universalium

  • chrominance — noun The signal used in video systems to convey the pictures colour information, separately from the accompanying luma signal …   Wiktionary

  • chrominance — ● n. f. ►AFFICH►GRAPH C est la couleur d une image, composée de la teinte et de la saturation. Il faut aussi la luminance pour obtenir une image vidéo correcte …   Dictionnaire d'informatique francophone

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