- Chrominance (chroma)
- PPA video signal used for carrying color information.
Audio and video glossary. 2014.
Chrominance (chroma)
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
Chroma subsampling — is the practice of encoding images by implementing less resolution for chroma information than for luma information, taking advantage of the human visual system s lower acuity for color differences than for luminance.[1] It is used in many video… … Wikipedia
Chroma dots — are visual artefacts caused by displaying an unfiltered analogue colour video signal on a black and white television or monitor. They are commonly found on black and white recordings of television programmes originally made in colour. Chroma dots … Wikipedia
Chroma — Chroma, the Greek word for color, may refer to: Colorfulness or chroma, the perceived intensity of a specific color Chrominance or chroma, one of the two components of a television signal Chroma, a measure of color purity in the Munsell color… … Wikipedia
Chroma Detector — WikiV Detects the absence of chrominance information in a color encoder input. The chroma detector automatically deletes the color burst from the color encoder output when the absence of chrominance is detected … Audio and video glossary
chroma signal — spalvių signalas statusas T sritis radioelektronika atitikmenys: angl. chroma signal; chrominance signal; color signal vok. Chrominanzsignal, n; Farbsignal, n rus. сигнал цветности, m; цветовой сигнал, m pranc. signal de chrominance, m; signal de … Radioelektronikos terminų žodynas
Chroma Subsampling — VP Applying more compression to the chrominance portion of the signal than to the luminance. Humans process luminance with more precision than chrominance. There is no perceptible loss by compressing chrominance at a higher level than the… … Audio and video glossary
chrominance signal — spalvių signalas statusas T sritis radioelektronika atitikmenys: angl. chroma signal; chrominance signal; color signal vok. Chrominanzsignal, n; Farbsignal, n rus. сигнал цветности, m; цветовой сигнал, m pranc. signal de chrominance, m; signal de … Radioelektronikos terminų žodynas
chroma key — ● ►en loc. m. ►GRAPH Code de chromaticité, pour modifier les couleurs. Il permet l incrustation vidéo: un objet est filmé sur un fond uni de couleur pure; après numérisation, on enlève ce fond par sélection de couleurs et on le remplace par un… … Dictionnaire d'informatique francophone
chroma regulator — spalvio reguliatorius statusas T sritis radioelektronika atitikmenys: angl. chroma regulator vok. Buntspannungsregler, m rus. регулятор цветности, m; устройство регулировки цветности, n pranc. régulateur de la chrominance, m … Radioelektronikos terminų žodynas
