一种基于标准色块与多项式拟合的CRT色彩管理新模型

CRT显示器的色彩管理是彩色图像复制的关键技术之一.本文在分析CRT显色原理的基础上,提出了一种新的CRT色彩管理模型.该算法将CRT的RGB色空间、CIEXYZ色空间和三色传感器驱动值之间的关系转换为两两关系分别求取.最后用本文的转换模型得到的X、Y、Z计算值与实际测量值进行比较,以及用本文算法与普通多项式拟合算法和三维查找表算法得到的色彩转换精度比较,均表明转换模型具有较为满意的转换精度.

New CRT Color Management Model Based on Standard Color Blocks and Multinomial Matching

Color management of the CRT monitor is one of the key techniques in the color image reproduction.A new CRT color management model is presented based on the analysis of the CRT color rendering principle.The algorithm deduces the conversion relation between the RGB color space and CIE XYZ color space and driven value of the RGB electron gun respectively instead of deducing the relation among them three directly.Finally the X,Y,Z value calculated by the presented model and the measured X,Y,Z value,and color conversion accuracy calculated by the presented model and calculated by multinomial matching and 3D lookup table are compared respectively.The comparing results show that the model has satisfied conversion accuracy.