chromaticity coefficients

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• Standard illuminant — A standard illuminant is a profile or spectrum of visible light which is published in order to allow images or colors recorded under different lighting to be compared.CIE illuminantsThe International Commission on Illumination (usually… …   Wikipedia

• HSL 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… …   Wikipedia

• CIE 1931 color space — In the study of color perception, one of the first mathematically defined color spaces is the CIE 1931 XYZ color space, created by the International Commission on Illumination (CIE) in 1931.[1][2] The CIE XYZ color space was derived from a series …   Wikipedia

• colour — /kul euhr/, n., adj. v.t., v.i. Chiefly Brit. color. Usage. See or1. * * * I Aspect of any object that may be described in terms of hue, brightness, and saturation. It is associated with the visible wavelengths of electromagnetic radiation, which …   Universalium

• Lab color space — A Lab color space is a color opponent space with dimension L for lightness and a and b for the color opponent dimensions, based on nonlinearly compressed CIE XYZ color space coordinates.The coordinates of the Hunter 1948 L , a , b color space are …   Wikipedia

• tristimulus system — ▪ colour  a system for visually matching a colour under standardized conditions against the three primary colours red, green, and blue; the three results are expressed as X, Y, and Z, respectively, and are called tristimulus values.       For… …   Universalium

• Étalon colorimétrique — Distribution Spectrale Relative de la Puissance (DSRP) des illuminants A, B, et C de la CIE entre 380nm et 780nm. Un étalon colorimétrique est un profil ou spectre de lumière visible, qui est publié afin de permettre la comparaison d images ou de …   Wikipédia en Français

• Chromatic polynomial — All nonisomorphic graphs on 3 vertices and their chromatic polynomials, clockwise from the top. The independent 3 set: k3. An edge and a single vertex: k2(k − 1). The 3 path: k(k − 1)2. The 3 clique …   Wikipedia

• Luminance (relative) — Relative luminance follows the photometric definition of luminance, but with the values normalized to 1 or 100 for a reference white [cite book | author = Poynton, Charles | title = Digital Video and HDTV: Algorithms and Interfaces | isbn = 1… …   Wikipedia

• Espacio de color Lab — Saltar a navegación, búsqueda Lab es el nombre abreviado de dos espacios de color diferentes. El más conocido es CIELAB (estrictamente CIE 1976 L*a*b*) y el otro es Hunter Lab (estrictamente, Hunter L, a, b). Lab es una abreviación informal, y… …   Wikipedia Español

• Rec. 709 — ITU R Recommendation BT.709, more commonly know by the abbreviations Rec. 709 or BT.709, standardizes the format of High definition television, having 16:9 (widescreen) aspect ratio. Technical detailsPixel countRec. 709 refers to HDTV systems… …   Wikipedia