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Digital Video and HD, 2nd Edition by Charles Poynton

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26

Colour science for video

Classical colour science, explained in the previous chapter, establishes the basis for numerical description of colour. However, colour science is intended for the specification of colour, not for image coding. Although an understanding of colour science is necessary to achieve good colour performance in video, its strict application is impractical. This chapter explains the engineering compromises necessary to make practical cameras and practical coding systems.

Video processing is generally concerned with colour represented in three components derived from the scene, usually red, green, and blue, or components computed from these. Accurate colour reproduction depends on knowing exactly how the physical spectra of ...

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