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81Natural Color System — The NCS color model is based on the three pairs of elementary colors (white–black, green–red, and yellow–blue), as defined by color opponency. It is not possible to describe the perceptual appearance of these colors in terms of the perceptual… …
82International Commission on Illumination — The CIE 1931 color space chromaticity diagram with wavelengths in nanometres. The colors depicted depend on the color space of the device on which the image is viewed. The International Commission on Illumination (usually abbreviated CIE for its… …
83Munsell color system — The Munsell color system, showing: a circle of hues at value 5 chroma 6; the neutral values from 0 to 10; and the chromas of purple blue (5PB) at value 5. In colorimetry, the Munsell color system is a color space that specifies colors based on… …
84HSL and HSV — Fig. 1. HSL (a–d) and HSV (e–h). Above (a, e): cut away 3D models of each. Below: two dimensional plots showing two of a model’s three parameters at once, holding the other constant: cylindrical shells (b, f) of constant saturation, in this case… …
85YCbCr — CbCr redirects here. For other uses, see CBCR. A visualization of YCbCr color space The CbCr plane at constant luma Y =0.5 …
86YPbPr — is the analog video signal carried by component video cable in consumer electronics. The green cable carries Y, the blue cable carries PB and the red cable carries PR. YPBPR[1] is a color space used in video elect …
87Hill cipher — Hill s cipher machine, from figure 4 of the patent In classical cryptography, the Hill cipher is a polygraphic substitution cipher based on linear algebra. Invented by Lester S. Hill in 1929, it was the first polygraphic cipher in which it was… …
88List of Iranian Americans — This is a list of notable Iranian Americans of all Iranian ethnic backgrounds.List Academia/science* Ali Reza Mohseni Ejiyeh, Specialist of IT and programming * Shahriar Afshar, physicist, namesake of Afshar experiment * Siavash Alamouti, CTO… …
89Robin egg blue — Robin egg blue, also called eggshell blue, approximates the shade of the eggs laid by the American Robin.The first recorded use of robin egg blue as a color name in English was in 1873. [ Maerz and Paul A Dictionary of Color New York:1930 McGraw… …
90Color model — A color model is an abstract mathematical model describing the way colors can be represented as tuples of numbers, typically as three or four values or color components. When this model is associated with a precise description of how the… …
