The CIE Lab CIE scale in the initial period of measurement scale is defined as a color X - Y - UBS Warburg Z use
Describe red (Red), Green (Green), and blue (Blue), but because the system is not able to describe the color of the dark-light of color. CIE has developed later, as a system X - Y - L depicting the red, green and the light goes on (lightness), respectivelyCIE has developed color system, until later, the system is accepted and it is widely used in current systems is L * - A * - B * which is a system for describing a 3-D color scanner with a L * will describe the brightness (lightness) values from L * show up to white until L * - to show the black* will describe a color scanner from green (- A * ) to red (a * ), the B * axis will describe scan color from blue ( -B * ) to yellow (B * ), the subtitle color display of CIE as figure 2.18 and 2.19 In addition, the company Hunter lab in North America, it is also one of the organizations to do the research and development of measurement systems, and finally the system. Hunter Lab itself, called the temple Hunter Lab color system which describe axis scale in 3-D systems as well as by the CIE HunterTo use scales L-A-B, as well as the lecture L * - A * - B * of CIE differences between color system and CIE Hunter Lab is Royalty Formula, both of which L-A-B, and L * - A * - B * is all the basics, from the calculation of the system X - Y - all Z
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