纽介堡方程的理论价值及其局限性研究

Study on Theoretical Value and Limitations of Neugebauer Equation

纽介堡方程是一种常用的颜色空间转换模型和方法,在色彩分析中具有重要理论价值,广泛应用于印刷工程领域和图像分析处理学科。为进一步改善模型精度,降低分色误差,纽介堡方程得到不断发展和改良。本文总结归纳了纽介堡方程的理论价值,简单分析了其应用局限性,并依据分色后加网计算引起的色元面积率变化揭示其产生分色误差的必然性。

Neugebauer Equation is a kind of model and method of color space conversion in common use,and plays an important role in the color analysis.So it is wildly used in printing engineering and image analysis and processing.In order to improve model accuracy and reduce color separation error,Neugebauer Equation has also been developing and improving.In this paper,the theoretical value of Neugebauer Equation was summarized,the limitations of its application were analyzed, and the inevitability of color separation error was revealed according to the variation of color cell area ratio caused by screening calculation after color separating.