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由本篇开始的一系列论文讨论皆为建立在SMPTE432-1工程准则基础上的数字电影色彩处理工艺。DC-28委员会认为若能发表根据此准则写出的一系列论文,将十分利于该工程准则的应用普及。作为此系列论文的首篇,将首先介绍研发编码公式的基础知识,解释编码公式最终被确认的形式,从编码公式出发导出解码公式。最后,讨论了三原色的选择和公式中采用的运算指数(1/2.6)。
A series of essay discussions starting from this chapter are all about digital cinema color processing based on the SMPTE432-1 engineering guidelines. The DC-28 Committee believes that the publication of a series of papers based on this guideline will greatly benefit the application of the engineering guidelines. As the first of a series of papers, we will first introduce the basics of developing coding formulas, explain the final form of the coding formulas, and derive the decoding formulas from the coding equations. Finally, we discuss the choice of trichromatic colors and the operation index used in the formula (1 / 2.6).