CN110780827B - Seven-primary-color high-fidelity flexography method - Google Patents
Seven-primary-color high-fidelity flexography method Download PDFInfo
- Publication number
- CN110780827B CN110780827B CN201910979569.XA CN201910979569A CN110780827B CN 110780827 B CN110780827 B CN 110780827B CN 201910979569 A CN201910979569 A CN 201910979569A CN 110780827 B CN110780827 B CN 110780827B
- Authority
- CN
- China
- Prior art keywords
- color
- primary
- spot
- colors
- printing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/12—Digital output to print unit, e.g. line printer, chain printer
- G06F3/1201—Dedicated interfaces to print systems
- G06F3/1202—Dedicated interfaces to print systems specifically adapted to achieve a particular effect
- G06F3/1203—Improving or facilitating administration, e.g. print management
- G06F3/1208—Improving or facilitating administration, e.g. print management resulting in improved quality of the output result, e.g. print layout, colours, workflows, print preview
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/12—Digital output to print unit, e.g. line printer, chain printer
- G06F3/1201—Dedicated interfaces to print systems
- G06F3/1223—Dedicated interfaces to print systems specifically adapted to use a particular technique
- G06F3/1237—Print job management
- G06F3/1242—Image or content composition onto a page
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/30—Computing systems specially adapted for manufacturing
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Quality & Reliability (AREA)
- Printing Methods (AREA)
Abstract
The application discloses a seven-primary-color high-fidelity flexography method, which comprises the following steps of: a. preparing spot color printing ink; b. generating CXF files corresponding to each pantong special color; c. forming a source and target spectrum database; d. generating a seven-primary color gamut table; e. printing a seven-primary color gamut table sample; f. generating a high-fidelity characteristic file; g. establishing a conversion curve library; h. printing a product. According to the method, a conversion curve required by converting color blocks in a seven-primary color gamut sheet into target colors is obtained according to target colors of a printed product, and the conversion relation between the color blocks in a high-fidelity characteristic file and the seven primary colors is combined, so that the preparation proportion and the preparation logic of the target colors are obtained by mixing the seven primary colors, further, the aim that target colors containing different panthrough spot colors can be flexibly printed by using only the seven primary colors is achieved, the spot colors are prevented from being configured before each printing, the printing efficiency is greatly improved, and the uniformity of the colors of the output product can be ensured.
Description
Technical Field
The application relates to a seven-primary-color high-fidelity flexography method.
Background
The Pantone color card is an international standard color card, is a color authority enjoying the world, covers color communication systems in the fields of printing, spinning, plastic, drawing, digital science and technology and the like, and has become an international unified standard language for exchanging color information at present.
The Pantone color card has 1876 spot colors, each spot color is formed by mixing at least one base ink, in printing production, the required color of a printed matter possibly contains various spot colors, all spot colors contained in the printed matter need to be modulated before flexography, and then printing is carried out through a flexography device machine, so that the time proportion occupied by the printing preamble work and the proportion of the workload are very large, the printing efficiency of the product is seriously affected, the printing cost is very high for the printed matter with less printing total amount, and the uniformity of the color matching effect of the printed matter of different batches cannot be guaranteed.
The pantone color cards are printed by offset printing, each color card is provided with a mixed formula and related characteristic data, if the number of printed matters required by a customer is large, the printing cost can be greatly reduced by a flexography mode, if the number of printed matters required by the customer is small, the workload and the cost of printing can be reduced by a digital printing mode, the color mixing and the characteristic data of products printed by the flexography mode and the digital printing mode are different from those of offset printing modes, and in the prior flexography method, the color similar to the printed products can be obtained only through multiple times of debugging according to experience, and the color stability of the printed products cannot be ensured.
In addition, the color blocks on each pantone color card are solid color blocks (i.e. color blocks with the color gradient of 100%), and in the process of printing production, color mixing is often required by utilizing the color blocks with the color gradient of 0-100%, so that the workload of workers is increased, and the mass production is not facilitated.
Aiming at the problems, the application provides a high-fidelity flexography method capable of mixing 1876 panthrough spot colors by using seven primary colors of CMYKODB (Cyan, magenta, yellow, black, orange, green, blue) and automatically preparing the required panthrough spot colors to form the target color of a printed matter.
Disclosure of Invention
In order to overcome the defects of the prior art, the application aims to provide a seven-primary-color high-fidelity flexography method, which can replace a panned spot color with seven primary colors of CMYKOGB to form a target color of a printed matter, avoids the need of configuring the spot color before each printing, greatly improves the printing efficiency and can ensure the uniformity of the colors of output products.
The technical scheme adopted for solving the technical problems is as follows:
a seven-primary-color high-fidelity flexography method comprises the following steps:
a. preparing spot color ink, and preparing corresponding spot color ink according to the formula of each pantong spot color;
b. c, generating CXF files corresponding to each panne spot color, printing the spot ink obtained in the step a into a color gradient table corresponding to the spot ink and a superposition gradient table for superposing the color gradient table and the black stripes by using a flexography device, and forming the CXF files corresponding to the panne spot colors by the superposition gradient table and the color gradient table together;
c. forming a source and target spectrum database, sequentially scanning CXF files corresponding to each pantonus spot color by using a spectrometer to obtain spectrum data corresponding to each pantonus spot color, and forming the source and target spectrum database by the spectrum data of all the pantonus spot colors;
d. b, generating a seven-primary color gamut table, extracting CXF files corresponding to Cyan, magenta, yellow, black, orange, green and Blue in the step b, inputting the CXF files of the seven primary colors into CGSORISXGamut software, forming the seven-primary color gamut table by any combination of color blocks in the CXF files corresponding to the seven primary colors, covering all the panthrough spot colors in the step b, and outputting the seven-primary color gamut table as an electronic file;
e. printing a seven-primary color gamut table sample, inputting an electronic file of the seven-primary color gamut table into a flexography device, and printing the seven-primary color gamut table sample of the flexography plate;
f. generating a high-fidelity characteristic file, and scanning the seven-primary color gamut table sample sheet by using a spectrometer to obtain spectrum data corresponding to each color block in the seven-primary color gamut table sample sheet, wherein the spectrum data corresponding to all the color blocks in the seven-primary color gamut table sample sheet jointly form the high-fidelity characteristic file;
g. establishing a conversion curve library, using CGSORISXGamma software to match the high-fidelity characteristic file with a source target spectrum database, so that a conversion relation is established between any panton spot color of the source target spectrum database and at least one color block in the high-fidelity characteristic file, and further, a conversion curve required by converting each color block in the high-fidelity characteristic file into a corresponding panton spot color is obtained, and all the conversion curves form the conversion curve library;
h. and (3) scanning the printed product by using a spectrometer to obtain spectral data of a target color to be printed, comparing the spectral data of the target color with the high-fidelity characteristic file to obtain more than one conversion curve in the conversion curve library, and combining the conversion relation between the color blocks and the seven primary colors in the high-fidelity characteristic file to obtain the preparation proportion and the preparation logic of the seven primary colors for preparing the target color.
In an embodiment of the present application, the seven-primary color gamut table includes 2116 color blocks, the 2116 color blocks containing 1876 pantone spot colors.
In some embodiments of the present application, the step h further includes a step i, where the step i includes: preparing a resin plate, preparing ink and a printing stock, paving the printing stock on the resin plate, transferring the ink to the resin plate for printing according to the preparation proportion and the preparation logic of a target color by using a flexography device, and drying and flattening the printed product to form a printing finished product.
In some embodiments of the present application, the step i further includes a step j: cutting the printed finished product, and packaging the cut printed finished product.
The seven-primary-color-based high-fidelity flexible printing method has the advantages that CXF files corresponding to all the through spot colors are firstly formed, then a source target spectrum database formed by spectrum data of all the through spot colors is obtained through scanning of a spectrometer, a seven-primary-color gamut table is generated in CGS ORISXGamut software by utilizing the CXF files of the seven primary colors, then the seven-primary-color gamut table is printed by flexible printing equipment, a high-fidelity characteristic file corresponding to the seven-primary-color gamut table sample sheet is obtained through scanning of the spectrometer again, a matching relation is established between the high-fidelity characteristic file and the source target spectrum database, color blocks in the seven-primary-color gamut table sample sheet are converted into corresponding conversion curves required by the through spot colors and form a conversion curve library, the conversion curves required by converting the color blocks in the seven-primary-color gamut table sample sheet into the target colors are obtained according to the target colors of a printed product, the conversion relation between the color blocks and the seven-primary colors is combined, so that the preparation proportion and the preparation logic of the seven-primary colors are mixed, the preparation of the target colors is realized, the fact that the color-primary colors can be flexibly printed only, the through color containing different through colors can be obtained, the required printing efficiency of each through spot color can be avoided, and the printing efficiency of the printed color can be greatly improved.
Drawings
The application will be further described with reference to the drawings and examples.
FIG. 1 is a schematic diagram of CXF files corresponding to seven primary colors, cyan, magenta, yellow, black, orange, green and Blue, respectively;
FIG. 2 is a first color tile table;
FIG. 3 is a second color block table;
fig. 4 is a third color block table.
Detailed Description
Reference will now be made in detail to the present embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present application, but not to limit the scope of the present application.
Referring to fig. 1 to 4, a seven-primary color hi-fi flexography method includes the steps of:
a. preparing spot color ink, and preparing corresponding spot color ink according to the formula of each pantong spot color;
b. c, generating CXF files 10 corresponding to each panne spot color, printing the spot ink obtained in the step a into a color gradient table 11 corresponding to the spot ink and a superposition gradient table 12 for superposing the color gradient table 11 and black stripes by using a flexography device, and forming the CXF files 10 corresponding to the panne spot color by the superposition gradient table 12 and the color gradient table 11 together; as shown in fig. 1, the color gradient table 11 of any one of the seven primary colors (Cyan, magenta, yellow, black, orange, green and Blue) has color blocks with a color gradient between 0 and 100%, so as to help form a color gamut table with a more comprehensive color range, and all the spectral data of the panthrough spot color are contained in the color gradient table 11 and the superposition gradient table 12.
c. Forming a source and target spectrum database, sequentially scanning CXF files 10 corresponding to each pantonus spot color by using a spectrometer to obtain spectrum data corresponding to each pantonus spot color, wherein the spectrum data comprises parameters such as L, a, b, c, h and the like in the pantonus spot color, and the source and target spectrum database is formed by the spectrum data of all the pantonus spot colors;
d. generating a seven-primary color gamut table, extracting CXF files 10 corresponding to Cyan, magenta, yellow, black, orange, green and Blue in the step b, inputting the CXF files 10 of the seven primary colors into CGSORISXGamut software (color management software), forming the seven-primary color gamut table by any combination of color blocks in the CXF files 10 corresponding to the seven primary colors, covering all the panned spot colors in the step b, and outputting the seven-primary color gamut table as an electronic file, wherein the electronic file is a PDF electronic file; in the embodiment of the present application, the seven-primary color gamut table includes 2116 color blocks, 2116 of the color blocks include 1876 pann spot colors, and the seven-primary color gamut table is composed of the first color block table 21, the second color block table 22, and the third color block table 23 of fig. 2 to 4, and each of the first color block table 21, the second color block table 22, and the third color block table 23 includes a plurality of color blocks.
e. Printing a seven-primary color gamut table sample, inputting an electronic file of the seven-primary color gamut table into a flexography device, and printing the seven-primary color gamut table sample of the flexography plate;
f. generating a high-fidelity characteristic file, and scanning the seven-primary color gamut table sample sheet by using a spectrometer to obtain spectrum data corresponding to each color block in the seven-primary color gamut table sample sheet, wherein the spectrum data corresponding to all the color blocks in the seven-primary color gamut table sample sheet jointly form the high-fidelity characteristic file;
g. and establishing a conversion curve library, matching the high-fidelity characteristic file with a source target spectrum database by using CGSORISXGamma software, so that a conversion relation is established between any one panton spot color of the source target spectrum database and at least one color block in the high-fidelity characteristic file, and further, a conversion curve required by converting each color block in the high-fidelity characteristic file into a corresponding panton spot color is obtained, and all the conversion curves form the conversion curve library.
h. And (3) scanning the printed product by using a spectrometer to obtain spectral data of a target color to be printed, comparing the spectral data of the target color with the high-fidelity characteristic file to obtain more than one conversion curve in the conversion curve library, and combining the conversion relation between the color blocks and the seven primary colors in the high-fidelity characteristic file to obtain the preparation proportion and the preparation logic of the seven primary colors for preparing the target color.
The seven-primary-color-based high-fidelity flexible printing method comprises the steps of firstly forming CXF files 10 corresponding to all the pantone spot colors, then scanning through a spectrometer to obtain a source target spectrum database composed of spectrum data of all the pantone spot colors, generating a seven-primary-color gamut table shown in fig. 2, 3 and 4 in CGS ORISXGamut software by utilizing the CXF files 10 of the seven primary colors, printing the seven-primary-color gamut table by using flexible printing equipment, scanning again by using the spectrometer to obtain a high-fidelity characteristic file corresponding to the seven-primary-color gamut table, establishing a matching relation between the high-fidelity characteristic file and the source target spectrum database to obtain a conversion curve required by converting color blocks in the seven-primary-color table into corresponding pantone spot colors, obtaining a conversion curve required by converting the color blocks in the seven-primary-color gamut table into the target colors according to the target colors of a printing product, and combining the conversion relation between the color blocks and the seven in the high-fidelity characteristic file, so as to obtain the preparation proportion and the preparation logic of the seven-primary-color-gamut table, thereby realizing that the flexible printing process has the uniform printing efficiency of the various spot colors can be realized, and the printing efficiency of the various spot colors can be greatly improved.
In some embodiments of the present application, the step h further includes a step i, where the step i includes: preparing a resin plate, preparing ink and a printing stock, paving the printing stock on the resin plate, transferring the ink to the resin plate through a flexo printing device according to the preparation proportion and the preparation logic of a target color for printing, and drying and flattening the printed product to form a printing finished product. Wherein, the making resin plate part comprises typesetting and imposition of image-text information.
In some embodiments of the present application, the step i further includes a step j: cutting the printed finished product, and packaging the cut printed finished product, thereby realizing the integrated production of the flexo printing product.
The above examples are only preferred embodiments of the present application, and other embodiments of the present application are also possible, such as the embodiments described in the examples are reasonably combined. Equivalent modifications and substitutions can be made by those skilled in the art without departing from the spirit of the application, and these equivalent modifications or substitutions are intended to be included within the scope of the present application as set forth in the following claims.
Claims (4)
1. The seven-primary-color high-fidelity flexography method is characterized by comprising the following steps of:
a. preparing spot color ink, and preparing corresponding spot color ink according to the formula of each pantong spot color;
b. c, generating CXF files (10) corresponding to each panne spot color, printing the spot ink obtained in the step a into a color gradient table (11) corresponding to the spot ink and a superposition gradient table (12) for superposing the color gradient table (11) and the black stripes by using a flexography device, and forming the CXF files (10) corresponding to the panne spot colors by the superposition gradient table (12) and the color gradient table (11);
c. forming a source and target spectrum database, scanning CXF files (10) corresponding to each pantong spot color sequentially by using a spectrometer to obtain spectrum data corresponding to each pantong spot color, and forming the source and target spectrum database by the spectrum data of all pantong spot colors;
d. b, generating a seven-primary color gamut table, extracting CXF files (10) corresponding to Cyan, magenta, yellow, black, orange, green and Blue in the step b, inputting the CXF files (10) of the seven primary colors into CGSORISXGamma software, forming the seven-primary color gamut table by any combination of color blocks in the CXF files (10) corresponding to the seven primary colors, covering all the panned spot colors in the step b, and outputting the seven-primary color gamut table as an electronic file;
e. printing a seven-primary color gamut table sample, inputting an electronic file of the seven-primary color gamut table into a flexography device, and printing the seven-primary color gamut table sample of the flexography plate;
f. generating a high-fidelity characteristic file, and scanning the seven-primary color gamut table sample sheet by using a spectrometer to obtain spectrum data corresponding to each color block in the seven-primary color gamut table sample sheet, wherein the spectrum data corresponding to all the color blocks in the seven-primary color gamut table sample sheet jointly form the high-fidelity characteristic file;
g. establishing a conversion curve library, using CGSORISXGamma software to match the high-fidelity characteristic file with a source target spectrum database, so that a conversion relation is established between any panton spot color of the source target spectrum database and at least one color block in the high-fidelity characteristic file, and further, a conversion curve required by converting each color block in the high-fidelity characteristic file into a corresponding panton spot color is obtained, and all the conversion curves form the conversion curve library;
h. and (3) scanning the printed product by using a spectrometer to obtain spectral data of a target color to be printed, comparing the spectral data of the target color with the high-fidelity characteristic file to obtain more than one conversion curve in the conversion curve library, and combining the conversion relation between the color blocks and the seven primary colors in the high-fidelity characteristic file to obtain the preparation proportion and the preparation logic of the seven primary colors for preparing the target color.
2. The seven-primary high-fidelity flexography method according to claim 1, wherein:
the seven-primary color gamut table includes 2116 color blocks, 2116 of which contain 1876 pantone spot colors.
3. The seven-primary high-fidelity flexography method according to claim 1, wherein:
the step h further includes a step i, where the step i includes: preparing a resin plate, preparing ink and a printing stock, paving the printing stock on the resin plate, transferring the ink to the resin plate through a flexo printing device according to the preparation proportion and the preparation logic of a target color for printing, and drying and flattening the printed product to form a printing finished product.
4. A seven primary color hi-fi flexo method according to claim 3, wherein:
the step i further comprises the step j: cutting the printed finished product, and packaging the cut printed finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910979569.XA CN110780827B (en) | 2019-10-15 | 2019-10-15 | Seven-primary-color high-fidelity flexography method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910979569.XA CN110780827B (en) | 2019-10-15 | 2019-10-15 | Seven-primary-color high-fidelity flexography method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110780827A CN110780827A (en) | 2020-02-11 |
| CN110780827B true CN110780827B (en) | 2023-08-18 |
Family
ID=69385659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910979569.XA Active CN110780827B (en) | 2019-10-15 | 2019-10-15 | Seven-primary-color high-fidelity flexography method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110780827B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113791746B (en) * | 2021-08-31 | 2024-02-23 | 深圳劲嘉集团股份有限公司 | Method, device, system and medium for re-matching residual ink of special offset printing color |
| CN113858799A (en) * | 2021-10-19 | 2021-12-31 | 深圳汉华工业数码设备有限公司 | Printing method, color card database acquisition method and printing equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102520579A (en) * | 2011-11-01 | 2012-06-27 | 上海理工大学 | Seven-color separation method for colored images |
| CN105681624A (en) * | 2016-02-22 | 2016-06-15 | 武汉大学 | Spot color overprinted color prediction method based on spectrum |
| CN108615066A (en) * | 2018-04-25 | 2018-10-02 | 海南亚元防伪技术研究所（普通合伙） | Transfinite color code anti-counterfeiting method and printed article |
| CN109515907A (en) * | 2018-12-17 | 2019-03-26 | 中荣印刷集团股份有限公司 | A kind of packing box and its manufacturing method with 3D grating |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2527495A (en) * | 2014-05-20 | 2015-12-30 | Chesapeake Ltd | Ink set optimisation |
| DE102018202522A1 (en) * | 2017-03-22 | 2018-09-27 | Heidelberger Druckmaschinen Ag | Method for optimized color control in a printing machine |
-
2019
- 2019-10-15 CN CN201910979569.XA patent/CN110780827B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102520579A (en) * | 2011-11-01 | 2012-06-27 | 上海理工大学 | Seven-color separation method for colored images |
| CN105681624A (en) * | 2016-02-22 | 2016-06-15 | 武汉大学 | Spot color overprinted color prediction method based on spectrum |
| CN108615066A (en) * | 2018-04-25 | 2018-10-02 | 海南亚元防伪技术研究所（普通合伙） | Transfinite color code anti-counterfeiting method and printed article |
| CN109515907A (en) * | 2018-12-17 | 2019-03-26 | 中荣印刷集团股份有限公司 | A kind of packing box and its manufacturing method with 3D grating |
Non-Patent Citations (1)
| Title |
|---|
| 高保真六色印刷复制色域分析;刘瑜等;《中国印刷与包装研究》;20101126;全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110780827A (en) | 2020-02-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110780827B (en) | Seven-primary-color high-fidelity flexography method | |
| JP3905975B2 (en) | Method and system for converting to an equivalent four-dimensional colorant having the color components of a given printer and computer-readable storage medium | |
| CN109117100B (en) | Profile adjustment method and profile adjustment system | |
| CN107395919B (en) | A method of digital printing color correction is realized by modification characteristic file | |
| CN109587367B (en) | Configuration file adjusting method, configuration file adjusting device and system | |
| CN102439963A (en) | Methods and systems for multicolor process printing employing both process colors and spot colors in the process ink set | |
| RU2002112326A (en) | The method of selecting colors for printing inks | |
| CN109005311B (en) | Method, device and system for adjusting configuration file and recording medium | |
| DE102010007858A1 (en) | Method for determining characterization data of a printing process | |
| CN107835335B (en) | A kind of image pressing method and terminal | |
| CN109005312B (en) | Configuration file adjusting method and configuration file adjusting system | |
| US11126900B2 (en) | Processing of spot colors in a printing system | |
| CN109756649B (en) | Configuration file adjusting system, device and method | |
| CN109756648B (en) | Profile adjusting method, storage medium, and profile adjusting apparatus | |
| CN111152584A (en) | Flexo printing wide color gamut printing method, system and device | |
| US10691988B2 (en) | Printing of a halftone based on multiple colorant deposition orders | |
| CN110780828B (en) | Seven-primary-color high-fidelity digital printing method | |
| CN103692794A (en) | Printing method with metal luster | |
| CN110774729B (en) | High-fidelity offset printing method based on seven primary colors | |
| CN202656610U (en) | Printing color management integration system | |
| CN103358680B (en) | Image editing apparatus and image editing method | |
| CN114851731B (en) | Offset printing method for PANTONE substitution | |
| JP2018160894A (en) | Maintaining method of black composition of object | |
| WO2007096423A1 (en) | Method and apparatus for converting colour-describing input data, which are suitable for graphical output using an output device, into colour-describing adapted output data | |
| CN104869282A (en) | Method for converting spectral characterization data |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |