CN103465657B - Difference is undertaken the printing of the Forecasting Methodology of material print color characteristic - Google Patents
Difference is undertaken the printing of the Forecasting Methodology of material print color characteristic Download PDFInfo
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- CN103465657B CN103465657B CN201310392685.4A CN201310392685A CN103465657B CN 103465657 B CN103465657 B CN 103465657B CN 201310392685 A CN201310392685 A CN 201310392685A CN 103465657 B CN103465657 B CN 103465657B
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Abstract
The present invention discloses a kind of difference and to undertake the printing of the Forecasting Methodology of material print color characteristic, and it comprises the steps: step S1: measure the spectral reflectivity obtaining the visible spectrum of each color block on the Standard Colors test chart of the first printed on paper; Step S2: the spectral reflectivity φ measuring the visible spectrum of acquisition first paper
paper 1i(λ); Step S3: the spectral reflectivity φ measuring the visible spectrum of acquisition second paper
paper 2i(λ); Step S4: calculate under identical printing condition, is printed on the spectral reflectivity φ of the visible spectrum of each color block on the second paper
look 2i(λ), computing formula is as follows:
wherein, i=380,381 ... 780; Step S5: according to the spectral reflectivity φ of the visible spectrum of each color block be printed on the second paper
look 2i(λ), the characteristic file being created on the second printed on paper is calculated, and in this, as the simulated target of drawing a design before print, generation print sample of drawing a design.
Description
Technical field
The present invention relates to printing technology, and particularly a kind of difference is undertaken the printing of the Forecasting Methodology of material print color characteristic.
Background technology
The color of printed matter is attached on printable fabric by ink and shows, and paper and ink are the principal elements affecting printed matter color.In actual print production, ink is the demand buying of printing house according to oneself, and printing house can control the use of ink, and the use of paper is by the impact of the many factors such as the demand of user, the quality requirement of printing, often changes more.But the impact of paper on color is larger, deviation can be there is accordingly in the color of printing after changing paper, printing characteristic file so is just no longer applicable to this printing, if the characteristic file of the simulate press of drawing a design before print is also just no longer applicable, brings difficulty to drawing a design.
For the solution of this problem, technically there are two kinds of ways at present: a kind of method all prints a Standard Colors test chart for often kind of paper, measure, calculating its characteristic file of generation, for printing front digital sample printing; Another kind of way is that the printing characteristic file of the paper adopting other surface colors similar with printability is to replace the printing characteristic file of this paper.
Adopt first method, color-match is comparatively accurate, but printing standard color measurement table is all carried out at paper to many dissimilar paper, expense on the consumptive materials such as ink, and to printing machine, technical staff is temporal to be taken etc. is all no small burden concerning printing house, cost is higher, and paper upgrades at any time, if user is with a kind of new paper printing, so will before formal printing first printing standard color measurement table, then survey calculation generates its characteristic file, just can carry out this kind of paper to draw a design, delivery date can be affected to a great extent, adopt second method, although solve the trouble that often kind of paper all will do printing characteristic, this alternative accuracy in the simulation of color is lower, and require higher printing for color, this kind of mode is not very applicable.
Therefore, how the problems referred to above are solved, be the research direction place of those skilled in the art.
Summary of the invention
Main purpose of the present invention is to provide a kind of difference and undertakes the printing of the Forecasting Methodology of material print color characteristic, the color forecasting problem printed out under solving the upper different printing paper of printing.Adopt the colouring information of paper and the colouring information after this printed on paper, prediction is under same printing condition, be printed on the colouring information on another paper, when drawing a design before this paper is printed, can adopt and predict that the colouring information be printed on another paper is as data source, carries out simulation and draws a design.The replacing of the upper paper of printing can be solved, to the difficult problem how simulate press brings of drawing a design before print.
In order to solve above-mentioned purpose, the invention provides a kind of difference and to undertake the printing of the Forecasting Methodology of material print color characteristic, it comprises the steps:
Step S1: measure the spectral reflectivity φ obtaining the visible spectrum of each color block on the Standard Colors test chart of the first printed on paper
look 1i(λ);
Step S2: the spectral reflectivity φ measuring the visible spectrum of acquisition first paper
paper 1i(λ);
Step S3: the spectral reflectivity φ measuring the visible spectrum of acquisition second paper
paper 2i(λ);
Step S4: calculate under identical printing condition, is printed on the spectral reflectivity φ of the visible spectrum of each color block on the second paper
look 2i(λ), computing formula is as follows:
wherein, i=380,381 ... 780;
Step S5: according to the spectral reflectivity φ of the visible spectrum of each color block be printed on the second paper
look 2i(λ), the characteristic file being created on the second printed on paper is calculated, and in this, as the simulated target of drawing a design before print, generation print sample of drawing a design.
Above-mentioned difference is undertaken the printing of the Forecasting Methodology of material print color characteristic, and in step S1 to S3, measure the spectral reflectivity obtained on paper, be use spectrophotometer measurement to obtain, wavelength interval is 10nm.
Above-mentioned difference is undertaken the printing of the Forecasting Methodology of material print color characteristic, and identical printing condition in step s 4 which refers to: the squeegee pressure of same printing equipment, black key size, fountain solution temperature, pH value, electrical conductivity and ambient temperature and humidity.
Compared with prior art, beneficial effect of the present invention is: both improve when drawing a design by the accuracy of print color characteristic under the different paper of simulating, additionally reduce the expense on the consumptive material such as paper, ink that all to print for often kind of paper on a Standard Colors test chart printing process, and to printing machine, technical staff is temporal takies.
Accompanying drawing explanation
Fig. 1 is the Forecasting Methodology flow chart of the different material print color characteristic of undertaking the printing of of the present invention;
Detailed description of the invention
Below in conjunction with accompanying drawing, to above-mentioned being described in more detail with other technical characteristic and advantage of the present invention.
The present invention is under adopting a certain printing condition, the Standard Colors test chart that paper 1 prints, analog computation is under identical printing condition, be printed on the color data of the Standard Colors test chart on another paper 2, and then to be created on paper 2 characteristic file of printing according to the color data of this Standard Colors test chart, in order to simulate drawing a design to printing under this kind of paper.
As described in Figure 1, the present invention's difference is undertaken the printing of the Forecasting Methodology flow chart of material print color characteristic, and the undertake the printing of Forecasting Methodology of material print color characteristic of difference of the present invention comprises the following steps:
Step S1: the spectral reflectivity φ of the visible spectrum (380nm ~ 780nm) of each color block on the Standard Colors test chart of measurement acquisition printing on paper 1
look 1i(λ);
Step S2: the spectral reflectivity φ measuring the visible spectrum (380nm ~ 780nm) obtaining paper 1
paper 1i(λ);
Step S3: the spectral reflectivity φ measuring the visible spectrum (380nm ~ 780nm) obtaining paper 2
paper 2i(λ);
In step S1 to S3, measure the spectral reflectivity obtained on paper, be use spectrophotometer measurement to obtain, wavelength interval is 10nm.
Step S4: calculate under identical printing condition, is printed on the spectral reflectivity φ of the visible spectrum (380nm ~ 780nm) of each color block on paper 2
look 2i(λ), computing formula is as follows:
wherein, i=380,381 ... 780 (1)
Wherein, above-mentioned identical printing condition refers to: same printing equipment at squeegee pressure, black key size, fountain solution temperature, pH value, electrical conductivity, and in the technical parameter that affects printing effect such as ambient temperature and humidity and the metastable situation of peripheral environment.
Step S5: according to the spectral reflectivity φ of the visible spectrum (380nm ~ 780nm) of each color block be printed on paper 2
look 2i(λ), the characteristic file being created on printing on paper 2 is calculated, and in this, as the simulated target of drawing a design before print, generation print sample of drawing a design.
Have now various software can help the direct formation characteristic file of user according to measurement data, the generation of this part calculates by existing related software and generates.
In sum, the present invention is under adopting a certain printing condition, the Standard Colors test chart that paper 1 prints, according to paper 1, paper 2 and be printed on the spectral reflectivity of the Standard Colors test chart color lump on paper 1, calculate under identical printing condition according to formula (1), be printed on the spectral reflectivity of the Standard Colors test chart color lump on another paper 2, according to the characteristic file that the spectral reflectivity numerical generation of this Standard Colors test chart color lump prints on paper 2, in order to simulate drawing a design to printing under this kind of paper.
The present invention effectively solves the defect of technical two kinds of solutions at present.Both improve when drawing a design by the accuracy of print color characteristic under the different paper of simulating, additionally reduce the expense on the consumptive material such as paper, ink that all to print for often kind of paper on a Standard Colors test chart printing process, and to printing machine, technical staff is temporal takies.
More than illustrate just illustrative for the purpose of the present invention, and nonrestrictive, and those of ordinary skill in the art understand; when not departing from the spirit and scope that following claims limit, many amendments can be made, change; or equivalence, but all will fall within the scope of protection of the present invention.
Claims (2)
1. difference is undertaken the printing of a Forecasting Methodology for material print color characteristic, and it is characterized in that, it comprises the steps:
Step S1: measure the spectral reflectivity φ obtaining the visible spectrum of each color block on the Standard Colors test chart of the first printed on paper
look 1i(λ);
Step S2: the spectral reflectivity φ measuring the visible spectrum of acquisition first paper
paper 1i(λ);
Step S3: the spectral reflectivity φ measuring the visible spectrum of acquisition second paper
paper 2i(λ);
Step S4: calculate under identical printing condition, is printed on the spectral reflectivity φ of the visible spectrum of each color block on the second paper
look 2i(λ), computing formula is as follows:
wherein, i=380,381 ... 780;
Step S5: according to the spectral reflectivity φ of the visible spectrum of each color block be printed on the second paper
look 2i(λ), the characteristic file being created on the second printed on paper is calculated, and in this, as the simulated target of drawing a design before print, generation print sample of drawing a design;
Wherein, in step S1 to S3, measuring the spectral reflectivity obtained on paper is use spectrophotometer measurement to obtain, and wavelength interval is 10nm.
2. a kind of difference according to claim 1 is undertaken the printing of the Forecasting Methodology of material print color characteristic, it is characterized in that, identical printing condition in step s 4 which refers to: the squeegee pressure of same printing equipment, black key size, fountain solution temperature, pH value, electrical conductivity and ambient temperature and humidity.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310392685.4A CN103465657B (en) | 2013-09-02 | 2013-09-02 | Difference is undertaken the printing of the Forecasting Methodology of material print color characteristic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310392685.4A CN103465657B (en) | 2013-09-02 | 2013-09-02 | Difference is undertaken the printing of the Forecasting Methodology of material print color characteristic |
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| Publication Number | Publication Date |
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| CN103465657A CN103465657A (en) | 2013-12-25 |
| CN103465657B true CN103465657B (en) | 2015-11-18 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106891627B (en) * | 2017-01-22 | 2019-01-29 | 杭州电子科技大学 | A kind of method of determining newspaper printing fountain solution preset value |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101797833A (en) * | 2009-02-09 | 2010-08-11 | 海德堡印刷机械股份公司 | There is not/has the conversion of the color measured values of measuring under the filter situation |
| CN102035991A (en) * | 2009-09-29 | 2011-04-27 | 富士胶片株式会社 | Print color predicting method, print color predicting apparatus and profile generating method |
| CN102029780A (en) * | 2010-09-19 | 2011-04-27 | 中国印刷科学技术研究所 | Method and device for controlling stability of printing color |
| CN102092206A (en) * | 2010-10-09 | 2011-06-15 | 庞多益 | Method for detecting printing color by using complex frequency spectrum color feature numerical values |
| CN102756549A (en) * | 2012-05-04 | 2012-10-31 | 中国印刷科学技术研究所 | Proofing color consistency control method based on observed light source |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008260803A (en) * | 2007-04-10 | 2008-10-30 | Toyo Ink Mfg Co Ltd | Lithographic ink composition |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101797833A (en) * | 2009-02-09 | 2010-08-11 | 海德堡印刷机械股份公司 | There is not/has the conversion of the color measured values of measuring under the filter situation |
| CN102035991A (en) * | 2009-09-29 | 2011-04-27 | 富士胶片株式会社 | Print color predicting method, print color predicting apparatus and profile generating method |
| CN102029780A (en) * | 2010-09-19 | 2011-04-27 | 中国印刷科学技术研究所 | Method and device for controlling stability of printing color |
| CN102092206A (en) * | 2010-10-09 | 2011-06-15 | 庞多益 | Method for detecting printing color by using complex frequency spectrum color feature numerical values |
| CN102756549A (en) * | 2012-05-04 | 2012-10-31 | 中国印刷科学技术研究所 | Proofing color consistency control method based on observed light source |
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