关键词: 显示设备, 中转色彩空间（PCS）, 多项式分区回归, 色彩还原

Abstract: In the course of image processing, an image enters the input device, experiences observation in the monitor, and arrives at the output device or the final image file. In this process, due to the different coloring mechanism, colorimetric characteristics and colorimetric space of different devices, there occurs color distortion when color information passes between different devices, so it is rather difficult to maintain the original color. With the PCS space, this paper converts color spaces by the method of polynomial zone regression. The result shows that this method can achieve color reproduction for color image display system with high precision.

Key words: display devices, Profile Connection Space（PCS）, polynomial zone regression, color restoration