reversal

The international commission on illumination XYZ(CIEXYZ) color space is an irregular space,so the regular three-dimension look-up table(3D-LUT) algorithm can not be directly applied for the inverse conversion of digital imaging devices.

CIEXYZ是一种不规则颜色空间,难以建立规则的三维查找表直接对数字图像设备进行反向变换。