关于Deviation tolerance和Variation tolerance_郑眼观色

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关于Deviation tolerance和Variation tolerance

(2015-12-23 08:49:32)

标签：

deviation

tolerance

variation

tonevalue

ciede2000

分类：印刷基础知识

摘自《ISO/PAS 15339-1:2015(E)》

Table 1 shows suggested tolerances for the deviation between the average values(measured over the run) and the aim of the characterization data set chosen, including any substrate correction. Also included are suggested variation tolerances between the individual samples and the averageof the run.

Table 1 — Suggested CIELAB tolerances for the solidsof the processcolours

Process colour	Deviation tolerance	Variation tolerance
Process colour	CIEDE2000	CIEDE2000
Black	5,0	4,0
Cyan	3,5	2,8
Magenta	3,5	2,8
Yellow	3,5	3,5

Table 2 shows suggested tolerances for the deviation of TVI between the average values (measured over the run) and the aim of the characterization data set chosen. Also included are suggested variation tolerances between the individual samples and the averageof the run.

Table 2 —Suggested tolerances for tone value

Tone value	Deviation tolerance	Variation tolerance
>30	3	3
30 to 60	4	4
> 60	3	3
Mid-tone spread	5	5

NOTE 1 For evaluation of set-up sheets or OK-sheets the deviation tolerance can be used by comparingthe measured values to the aim characterization data rather than the averageof the run.

NOTE 2 Additional information on processcontrol based tolerances can be found in ISO 12647-2 and ISO 12647-3.

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