CN103587268A - Digital duplication color rendition method for painting and calligraphy artworks - Google Patents
Digital duplication color rendition method for painting and calligraphy artworks Download PDFInfo
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- CN103587268A CN103587268A CN201310565266.6A CN201310565266A CN103587268A CN 103587268 A CN103587268 A CN 103587268A CN 201310565266 A CN201310565266 A CN 201310565266A CN 103587268 A CN103587268 A CN 103587268A
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Abstract
The invention discloses a digital duplication color rendition method for painting and calligraphy artworks. The method includes the following steps that 1) frequently-used Chinese painting pigment coatings are used as color lumps, and color values of the color lumps are measured; 2) digital color card files are manufactured to be used for printing and outputting Chinese art paper medium physical color cards; 3) digital color cards are printed and output, and physical color cards used for image acquisition and later-period color correction are obtained; 4) the Chinese painting and calligraphy artworks and the physical color cards are collected under the same collection circumstance respectively, the collected physical color cards are printed and output to obtain collection color cards, the collection color cards and the physical color cards are measured and compared, chromatic aberration values between the collection color cards and the physical color cards are recorded, collected physical color card files are adjusted in image color collection software according to the chromatic aberration values, all adjustment values are recorded and applied to color collection of the digital files of the collected Chinese painting and calligraphy artworks at the same time, and thus digital duplication color rendition of the Chinese painting and calligraphy artworks can be completed. The method is accurate and efficient, and has high application value.
Description
Technical field
The present invention relates to Chinese Painting and Calligraphy art work digitlization reproduction technology, refer in particular to the color rendition method that a kind of calligraphy artwork digitlization that is applicable to rice paper medium copies.
Background technology
The color of arts reproduction is demarcated main employing in the world and be take Meng Saier (the Albert H. Munsell) color management system that color system is core, is referred to as " classical color management system " (Classic Color Management System).The outstanding feature of this system is device independence and media independent, and this links up important evidence is provided for the color between different system.Yet the media independent of classical color management system but cannot be applicable to take the production that copies of the Chinese Painting and Calligraphy art work that rice paper is medium.Key technology node is the complete difference of color space (Color Space), and the color space of Chinese Painting and Calligraphy pigment cannot be the color space that can normally use by L.a.b spatial mappings.Therefore, must propose a kind of color space that belongs to Chinese Painting and Calligraphy pigment, substitute classical color management method, to reaching the object of high accuracy reductivism product color.
Summary of the invention
The object of the invention is the problem existing for prior art, provide a kind of precisely, the color rendition method that efficient and the wide calligraphy artwork digitlization of purposes copies.
The object of the invention is to solve by the following technical programs:
The color rendition method that calligraphy artwork digitlization copies, is characterized in that comprising the following steps:
1) get conventional Chinese painting color coating for color lump, record each color lump color-values;
2) use conventional graphics software under L.a.b color environment, to set a document, insert respectively each color lump color-values that step 1) gathers and preserve this numeral colour atla file;
3) use professional print software under L.a.b color environment, to read above-mentioned digital colour atla file, adopt the print media identical with art work original copy material, by specialized printers, print out this numeral colour atla file, obtain physics colour atla;
4) under same collection environment, gather respectively the Chinese Painting and Calligraphy art work and physics colour atla and save as respectively digital document, the physics colour atla that printout gathers obtains gathering colour atla, measure and relatively gather colour atla and physics colour atla record value of chromatism between the two, according to the value of chromatism of above-mentioned record, in image color correction software, adjust the physical colour Cavan part gathering, and record all adjusted values, above-mentioned adjusted value is applied in the color correction of the Chinese Painting and Calligraphy art work digital document simultaneously gathering, can completes the color rendition that the digitlization of the Chinese Painting and Calligraphy art work copies.
The concrete steps of described step 1) are:
(1.1) get 21 kinds of conventional water-based Chinese painting colors;
(1.2) then get the art post paperboard that whiteness is about 80-85%;
(1.3) 21 kinds of water-based Chinese painting colors are coated in art post paperboard respectively equably, and adopt two kinds of mixing colors of black and white to become 7 kinds of greyscale color and gray scale gradient color to be coated on equably in art post paperboard, form 28 kinds of color lumps and a kind of strip color lump and etc. its finish-drying;
(1.4) use each color lump of spectrophotometer measurement, and the rgb color value of each color lump is recorded in round numbers.
Spectrophotometer in described step (1.4) needs to make zero before using and calibrates white, when the color-values that each color lump of spectrophotometer measurement obtains is L.a.b color-values, needs to adopt sRGB pattern or Adobe RGB pattern to be converted to rgb color value.
Described step 2) concrete steps are:
(2.1) select conventional graphics software CorelDraw, a kind of in Adobe Illustrator or Adobe InDesign;
(2.2) color environment of selected graphics software is made as to L.a.b pattern;
(2.3) in selected graphics software, set one and be horizontal document;
(2.4) in document, set 28 square frames and 1 rectangle frame;
(2.5) in frame, insert respectively each color lump color-values that step 1) gathers, wherein 21 colored color lump numerical value are RGB pattern, and 7 gray scale color lumps and 1 gray scale gradual change strip color lump are L.a.b pattern;
(2.6) under RGB pattern, preserve above-mentioned digital colour atla file, the form of digital colour atla file is document format or the PDF of selecting graphics software.
In described step (2.6): the archive format of CorelDraw is .CDR, the archive format of Adobe Illustrator is .AI, and the archive format of Adobe InDesign is .ID; When saving as PDF, numeral colour atla file need in output intent option, select high quality print mode.
Described step 3) the professional print software in is for making graphics software or the Adobe Photoshop image software of digital colour atla file; Specialized printers refers to 8 looks or above wide format printer, the drive software of this specialized printers is supported color management completely, this drive software comprises the WCS of Windows system and the ColorSync of MAC OS system, and specialized printers is forbidden the color management functionality in drive software when printing digital colour atla file.
Described step 3) after the digital colour atla file printout output in, select the about 2mm of thickness, smooth well-pressed sheet material holder to obtain physics colour atla after mounting.
Described step 4) printer and step 3 in) in the set environment of printer consistent, and embed the preset file of ICC of print media.
Described step 4) in, take step 3) the physics colour atla printed is standard, use spectrophotometer one by one color lump measure and relatively gather colour atla and physics colour atla recorded color value.
Described step 4) adjusted value in adopts the holding function record in color correction software to form color correction process, and completes color correction in the Chinese Painting and Calligraphy art work digital document that the color correction process of recording is applied to gather simultaneously.
The present invention has the following advantages compared to existing technology:
The present invention, by color space is constrained in same medium, makes the color of Chinese Painting and Calligraphy really obtain accurate reproduction.
The present invention, by physical method and spectrophotometric application, gets rid of the color error ratio that artificial difference causes; And in the situation that environmental condition is consistent, without the duplication of labour, one time achievement is repeatedly used, and has greatly saved the process time.
The color rendition that method of the present invention copies applicable to the digitlization of the various pigment such as state's drawing silk medium class, watercolor art paper medium class, oil painting class and medium, is with a wide range of applications.
Accompanying drawing explanation
Accompanying drawing 1 is the records of values schematic diagram in digital colour atla file of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention is further illustrated.
The color rendition method that a kind of calligraphy artwork digitlization copies, it is characterized in that comprising the following steps: 1) get 21 kinds of conventional water-based Chinese painting colors, get whiteness and be about 80-85%, the art post paperboard of the about 100mmX100mm of size, 21 kinds of water-based Chinese painting colors are coated in art post paperboard respectively equably, and adopt two kinds of mixing colors of black and white to become 7 kinds of greyscale color and gray scale gradient color to be coated on equably in art post paperboard, form 28 kinds of color lumps and a kind of strip color lump and etc. its finish-drying, spectrophotometer makes zero and calibrates spectrophotometric white, use each color lump of spectrophotometer measurement, and the rgb color value of each color lump is recorded in round numbers, when the color-values of each color lump acquisition of spectrophotometer measurement is L.a.b color-values, need to adopt sRGB pattern or Adobe RGB pattern to be converted to rgb color value, 2) select conventional graphics software CorelDraw, a kind of in Adobe Illustrator or Adobe InDesign, and the color environment of selected graphics software is made as to L.a.b pattern, in graphics software, to set a specification be 210mmX270mm and be horizontal document, in document, set specification and be 28, the square frame of 30mmX30mm and 1 wide be the rectangle frame of 30mm, in frame, insert respectively each color lump color-values that step 1) gathers, records of values schematic diagram in numeral colour atla file as shown in Figure 1, wherein 21 colored color lump numerical value are RGB pattern, 7 gray scale color lumps and 1 gray scale gradual change strip color lump are L.a.b pattern, under RGB pattern, preserve above-mentioned digital colour atla file, the form of numeral colour atla file is document format or the PDF of selecting graphics software, wherein the archive format of CorelDraw is .CDR, the archive format of Adobe Illustrator is .AI, the archive format of Adobe InDesign is .ID, when saving as PDF, numeral colour atla file need in output intent option, select high quality print mode, 3) use professional print software under L.a.b color environment, to read above-mentioned digital colour atla file, adopt the print media identical with art work original copy material, by specialized printers, print out this numeral colour atla file, then after selecting the about 2mm of thickness, smooth well-pressed sheet material holder to mount the digital colour atla file of this output, obtain physics colour atla, wherein professional print software is for making graphics software or the Adobe Photoshop image software of digital colour atla file, specialized printers refers to 8 looks or above wide format printer, the drive software of this specialized printers is supported color management completely, this drive software comprises the WCS of Windows system and the ColorSync of MAC OS system, and specialized printers is forbidden the color management functionality in drive software when printing digital colour atla file, 4) under same collection environment, gather respectively the Chinese Painting and Calligraphy art work and physics colour atla and save as respectively digital document, the collection environment of physics colour atla must gather in full accord with the art work, comprising gathering camera settings, lamplight setting, the factors such as ambient influnence, the physics colour atla that printout gathers obtains gathering colour atla, and the printer of printing collection colour atla is consistent with the set environment of the printer of printing physics colour atla, and the preset file of the ICC that embeds in advance print media, the physics colour atla that the step 3) of take is printed is standard, use spectrophotometer one by one color lump measurement relatively gathers colour atla and physics colour atla recorded color value, for color correction below provides quantitative basis, according to the value of chromatism of above-mentioned record, in image color correction software, adjust the physical colour Cavan part gathering, object is to make the physical colour Cavan part gathering obtain consistent color with physics colour atla, in this process, need to progressively record adjusted values all in color correction process, colourity for example, brightness, saturation degree, the isoparametric value of contrast, above-mentioned adjusted value is applied in the color correction of the Chinese Painting and Calligraphy art work digital document simultaneously gathering, can complete the color rendition that the digitlization of the Chinese Painting and Calligraphy art work copies.In above-mentioned steps 4) in, also can for example, in color correction software (Adobe Photoshop), enable holding function, to record color correction process, and complete color correction in the Chinese Painting and Calligraphy art work digital document that the color correction process of recording is applied to gather simultaneously, higher after operating efficiency.When the collection environment of a plurality of Chinese Painting and Calligraphy arts work is consistent, the color correction of all calligraphy artworks that gather under this environment all can adopt same set of color correction parameter, without repeating step 4) in comparison procedure, greatly improved make efficiency.When the Chinese Painting and Calligraphy art work copying when digitlization adopts rice paper medium, select conventional painting and calligraphy rice paper by hand, rather than machine-made rice paper or with the imitative rice paper of coating layer, and preferred two-layer folder a surname.
The present invention, by color space being constrained in same medium (mainly referring to rice paper), makes the color of Chinese Painting and Calligraphy really obtain accurate reproduction; By physical method and spectrophotometric application, get rid of the color error ratio that artificial difference causes; And in the situation that environmental condition is consistent, without the duplication of labour, one time achievement is repeatedly used, and has greatly saved the process time; The color rendition that the method copies applicable to the digitlization of the various pigment such as state's drawing silk medium class, watercolor art paper medium class, oil painting class and medium, is with a wide range of applications.
Above embodiment only, for explanation technological thought of the present invention, can not limit protection scope of the present invention with this, every technological thought proposing according to the present invention, and any change of doing on technical scheme basis, within all falling into protection domain of the present invention; The technology that the present invention does not relate to all can be realized by prior art.
Claims (10)
1. the color rendition method that calligraphy artwork digitlization copies, is characterized in that comprising the following steps:
1) get conventional Chinese painting color coating for color lump, record each color lump color-values;
2) use conventional graphics software under L.a.b color environment, to set a document, insert respectively each color lump color-values that step 1) gathers and preserve this numeral colour atla file;
3) use professional print software under L.a.b color environment, to read above-mentioned digital colour atla file, adopt the print media identical with art work original copy material, by specialized printers, print out this numeral colour atla file, obtain physics colour atla;
4) under same collection environment, gather respectively the Chinese Painting and Calligraphy art work and physics colour atla and save as respectively digital document, the physics colour atla that printout gathers obtains gathering colour atla, measure and relatively gather colour atla and physics colour atla record value of chromatism between the two, according to the value of chromatism of above-mentioned record, in image color correction software, adjust the physical colour Cavan part gathering, and record all adjusted values, above-mentioned adjusted value is applied in the color correction of the Chinese Painting and Calligraphy art work digital document simultaneously gathering, can completes the color rendition that the digitlization of the Chinese Painting and Calligraphy art work copies.
2. the color rendition method that calligraphy artwork digitlization according to claim 1 copies, is characterized in that the concrete steps of described step 1) are:
(1.1) get 21 kinds of conventional water-based Chinese painting colors;
(1.2) then get the art post paperboard that whiteness is about 80-85%;
(1.3) 21 kinds of water-based Chinese painting colors are coated in art post paperboard respectively equably, and adopt two kinds of mixing colors of black and white to become 7 kinds of greyscale color and gray scale gradient color to be coated on equably in art post paperboard, form 28 kinds of color lumps and a kind of strip color lump and etc. its finish-drying;
(1.4) use each color lump of spectrophotometer measurement, and the rgb color value of each color lump is recorded in round numbers.
3. the color rendition method that calligraphy artwork digitlization according to claim 2 copies, it is characterized in that needing to make zero and calibrating white before the spectrophotometer use in described step (1.4), when the color-values that each color lump of spectrophotometer measurement obtains is L.a.b color-values, need to adopt sRGB pattern or Adobe RGB pattern to be converted to rgb color value.
4. the color rendition method that calligraphy artwork digitlization according to claim 2 copies, is characterized in that described step 2) concrete steps be:
(2.1) select conventional graphics software CorelDraw, a kind of in Adobe Illustrator or Adobe InDesign;
(2.2) color environment of selected graphics software is made as to L.a.b pattern;
(2.3) in selected graphics software, set one and be horizontal document;
(2.4) in document, set 28 square frames and 1 rectangle frame;
(2.5) in frame, insert respectively each color lump color-values that step 1) gathers, wherein 21 colored color lump numerical value are RGB pattern, and 7 gray scale color lumps and 1 gray scale gradual change strip color lump are L.a.b pattern;
(2.6) under RGB pattern, preserve above-mentioned digital colour atla file, the form of digital colour atla file is document format or the PDF of selecting graphics software.
5. the color rendition method that calligraphy artwork digitlization according to claim 4 copies, it is characterized in that in described step (2.6): the archive format of CorelDraw is .CDR, the archive format of Adobe Illustrator is .AI, and the archive format of Adobe InDesign is .ID; When saving as PDF, numeral colour atla file need in output intent option, select high quality print mode.
6. the color rendition method that calligraphy artwork digitlization according to claim 1 copies, is characterized in that described step 3) in professional print software for making graphics software or the Adobe Photoshop image software of digital colour atla file; Specialized printers refers to 8 looks or above wide format printer, the drive software of this specialized printers is supported color management completely, this drive software comprises the WCS of Windows system and the ColorSync of MAC OS system, and specialized printers is forbidden the color management functionality in drive software when printing digital colour atla file.
7. the color rendition method that calligraphy artwork digitlization according to claim 1 copies, is characterized in that described step 3) in digital colour atla file printout output after select the about 2mm of thickness, smooth well-pressed sheet material holder to obtain physics colour atla after mounting.
8. the color rendition method that calligraphy artwork digitlization according to claim 1 copies, is characterized in that described step 4) in printer and step 3) in the set environment of printer consistent, and embed the preset file of ICC of print media.
9. the color rendition method that calligraphy artwork digitlization according to claim 1 copies, it is characterized in that described step 4) in take step 3) the physics colour atla printed is standard, use spectrophotometer one by one color lump measure and relatively gather colour atla and physics colour atla recorded color value.
10. the color rendition method that calligraphy artwork digitlization according to claim 1 copies, it is characterized in that described step 4) in adjusted value adopt the holding function record in color correction software to form color correction process, and complete color correction in the Chinese Painting and Calligraphy art work digital document that the color correction process of recording is applied to gather simultaneously.
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| CN111186246A (en) * | 2019-12-30 | 2020-05-22 | 南京柚香创意文化产业有限公司 | High-precision color restoration method for re-engraving of painting and calligraphy |
| CN112746518A (en) * | 2021-01-12 | 2021-05-04 | 青岛农业大学 | Color restoration method for digital copying of painting and calligraphy artwork |
| CN113291075A (en) * | 2021-03-01 | 2021-08-24 | 广州汉阈数据处理技术有限公司 | Fresco duplicating method |
| CN113291075B (en) * | 2021-03-01 | 2024-01-09 | 广州汉阈数据处理技术有限公司 | Wall painting copying method |
| 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 |
| CN114185498A (en) * | 2021-12-07 | 2022-03-15 | 久明国际文化(北京)有限公司 | Ancient painting and calligraphy copying and toning method |
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| CN103587268B (en) | 2015-10-21 |
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