High Quality Content by WIKIPEDIA articles! YCbCr or Y?CbCr is a family of color spaces used as a part of the color image pipeline in video and digital photography systems. Y? is the luma component and CB and CR are the blue-difference and red-difference chroma components. Y? (with prime) is distinguished from Y which is luminance, meaning that light intensity is non-linearly encoded using gamma. Y?CbCr is not an absolute color space, it is a way of encoding RGB information. The actual color displayed depends on the actual RGB colorants used to display the signal. Therefore a value expressed as Y?CbCr is only predictable if standard RGB colorants or an ICC profile are used.

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