Spectral Separation for Multispectral Image Reproduction Based on Constrained Optimization Method

Table 1

The respective fractional area coverages of the CMYK combinations.

Index	Weighting factor	Fractional area coverage
1	𝑤𝑤	(1−𝑐)∗(1−𝑚)∗(1−𝑦)∗(1−𝑘)
2	𝑤𝑐	𝑐∗(1−𝑚)∗(1−𝑦)∗(1−𝑘)
3	𝑤𝑚	(1−𝑐)∗𝑚∗(1−𝑦)∗(1−𝑘)
4	𝑤𝑦	(1−𝑐)∗(1−𝑚)∗𝑦∗(1−𝑘)
5	𝑤𝑘	(1−𝑐)∗(1−𝑚)∗(1−𝑦)∗𝑘
6	𝑤𝑐𝑚	𝑐∗𝑚∗(1−𝑦)∗(1−𝑘)
7	𝑤𝑐𝑦	𝑐∗(1−𝑚)∗𝑦∗(1−𝑘)
8	𝑤𝑚𝑦	(1−𝑐)∗𝑚∗𝑦∗(1−𝑘)
9	𝑤𝑐𝑚𝑦	𝐶∗𝑚∗𝑦∗(1−𝑘)
10	𝑤𝑐𝑘	𝑐∗(1−𝑚)∗(1−𝑦)∗𝑘
11	𝑤𝑚𝑘	(1−𝑐)∗𝑚∗(1−𝑦)∗𝑘
12	𝑤𝑦𝑘	(1−𝑐)∗(1−𝑚)∗𝑦∗𝑘
13	𝑤𝑐𝑚𝑘	𝑐∗𝑚∗𝑦∗(1−𝑘)
14	𝑤𝑐𝑦𝑘	𝑐∗(1−𝑚)∗𝑦∗𝑘
15	𝑤𝑚𝑦𝑘	(1−𝑐)∗𝑚∗𝑦∗𝑘
16	𝑤𝑐𝑚𝑦𝑘	𝑐∗𝑚∗𝑦∗𝑘