from space to space
6.This paper firstly described several color spaces and their respective characters and discussed several ways used for the transformation from"XYZ" color space to "CMY" color space, and then analysed many kindsof factors that influence the calculated dot area aiming at the shortage of existing transformation, introduced "three channels" theory, based on this theory, the new model of color space transformation from "XYZ" color space to "CMY" color space was established.


