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RGB channels roughly follow the color receptors in the human eye, and are used in computer displays and image scanners. If the RGB image is 24-bit (the industry standard as of 2005), each channel has 8 bits, for red, green, and blue—in other words, the image is composed of three images (one for each channel), where each image can store ...
RGB use in color space definitions employ primaries (and often a white point) based on the RGB color model, to map to real world color. Applying Grassmann's law of light additivity, the range of colors that can be produced are those enclosed within the triangle on the chromaticity diagram defined using the primaries as vertices .
Rec. 2100 specifies the use of the RGB, YCbCr or IC T C P signal formats for HDR-TV. [5] IC T C P is a color representation designed by Dolby for HDR and wide color gamut (WCG) [92] and standardized in Rec. 2100. [5] IPTPQc2 with reshaping is a proprietary format by Dolby and is similar to IC T C P. It is used by Dolby Vision profile 5. [45]
It consists of three signals—red, green, and blue—carried on three separate cables/pins. RGB signal formats are often based on modified versions of the RS-170 and RS-343 standards for monochrome video. This type of video signal is widely used in Europe since it is the best quality signal that can be carried on the standard SCART connector.
A 15-pin VGA connector for a personal computer A 21-pin SCART or JP21 connector for a television. The various RGB (red, green, blue) analog component video standards (e.g., RGBS, RGBHV, RGsB) use no compression and impose no real limit on color depth or resolution, but require large bandwidth to carry the signal and contain a lot of redundant data since each channel typically includes much of ...
In general, SECAM territories either have to use a PAL-capable display or a transcoder to convert the PAL signal to SECAM for display. Different variants of 4:2:0 chroma configurations are found in: All ISO / IEC MPEG and ITU-T VCEG H.26x video coding standards including H.262/MPEG-2 Part 2 implementations (although some profiles of MPEG-4 Part ...
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For RGB signals with bit depth n, the bit depth of the Y signal when using YCoCg-R will be n and the bit depth of Co and Cg will be n+1, as contrasted with ordinary YCoCg which would need n+2 bits for Y and Cg and n+1 bits for Co. [8] Here, possible values for Y are still in [0, 1], while possible values for Co and Cg are now in [-1, 1].