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

專利號(hào)
US11659131B2
公開(kāi)日期
2023-05-23
申請(qǐng)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(shuō)明書(shū)

In such a way as described above, the prediction values of the spectral reflectances of the prediction target gradation value for the prediction target color are obtained. Thus, the spectral reflectances prediction process is ended.

Note that, in the present embodiment, a prediction target color setting step is achieved by Step S100, a first relational equation calculation step is achieved by Step S110, a first prediction step is achieved by Step S120, a difference value calculation step is achieved by Step S130, a reference color selection step is achieved by Step S140, a second relational equation calculation step is achieved by Step S150, and a second prediction step is achieved by Step S160. Moreover, a second relational equation using step is achieved by Step S162, and an interpolation step is achieved by Step S164.

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權(quán)利要求

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