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Computer graphics and computer vision color models

Several different color spaces have been used in computer graphics and computer vision work, see e.g. [A. Smith 1978], [GSPC-ACM 1979], [Meyer \& Greenberg 1980], [Foley \& Van Dam 1982], [Cowan 1983], [Rogers 1985], [Turkowski 1986], [Hill 1990], and [Novak \& Shafer 1992] for some examples, and Appendix for some mathematical definitions. Most of these spaces are derived from either the RGB or CIE XYZ class of models. These derivations can involve linear or non-linear transforms [Rogers 1985]. Many of the models involved resemble the Munsell and Ostwald color spaces (Section ) in that they use dimensions corresponding to hue, saturation, and one of brightness (HSB), value (HSV), intensity (HSI), or lightness (HLS or LHS models). Some models have been inspired by opponent process models of color perception (Section ).