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Method and computer program product for predicting spectral characteristics of ink applied to a base material

專利號
US11659131B2
公開日期
2023-05-23
申請人
SCREEN HOLDINGS CO., LTD.(JP Kyoto)
發(fā)明人
Kenichi Yokouchi
IPC分類
H04N1/60; H04N1/54
技術(shù)領(lǐng)域
gradation,spectral,prediction,value,color,relational,values,equation,target,obtained
地域: Kyoto

摘要

First relational equations which represent characteristics of respective sample colors are obtained, and for the respective sample colors, prediction values of spectral characteristics of characteristics-acquired gradation values for a prediction target color are obtained using the first relational equations. Difference values between the prediction values and actual measurement values are obtained, and a sample color for which a minimum difference value is obtained is selected as a reference color. A second relational equation that represents characteristics of the reference color is obtained, and a prediction value of spectral characteristics of a prediction target gradation value for the prediction target color is obtained using the second relational equation.

說明書

An overall configuration of a printing system and a configuration of a print data generation apparatus are similar to those (see FIG. 2 and FIG. 3) of the above-described first embodiment, and accordingly, a description thereof will be omitted.

A procedure of a spectral reflectances prediction process that achieves a spectral reflectances prediction method (spectral characteristics prediction method) according to the present embodiment is schematically similar to that of the above-described first embodiment (see FIG. 4). However, a detailed method of calculating the second relational equation in Step S150 in FIG. 4 is different from that in the above-described first embodiment. This will be described below.

權(quán)利要求

1
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