CN103587268B - The color rendition method that a kind of calligraphy artwork digitlization copies - Google Patents
The color rendition method that a kind of calligraphy artwork digitlization copies Download PDFInfo
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- CN103587268B CN103587268B CN201310565266.6A CN201310565266A CN103587268B CN 103587268 B CN103587268 B CN 103587268B CN 201310565266 A CN201310565266 A CN 201310565266A CN 103587268 B CN103587268 B CN 103587268B
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Abstract
The invention discloses the color rendition method that a kind of calligraphy artwork digitlization copies, the method step is as follows: 1) get the coating of conventional Chinese painting color for color lump, record each color lump color-values; 2) digital colour atla file is prepared for printing out rice paper medium physics colour atla; 3) print out digital colour atla, obtain the physics colour atla for IMAQ and later stage color correction; 4) under same collection environment, the Chinese Painting and Calligraphy art work and physics colour atla is gathered respectively, the physics colour atla that printout gathers obtains gathering colour atla, measure to compare and gather colour atla and physics colour atla also record value of chromatism between the two, in image color correction software, the physical colour card file of collection is adjusted according to value of chromatism, 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 gathered, the color rendition that the digitlization of the Chinese Painting and Calligraphy art work copies can be completed.Method of the present invention is accurate, efficient, is with a wide range of applications.
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 being applicable to rice paper medium copies.
Background technology
The color of arts reproduction is demarcated and mainly adopted with Meng Saier (Albert H. Munsell) color system is in the world the color management system of core, is referred to as " classical color management system " (Classic Color Management System).The outstanding feature of this system is device independence and medium independence, and this is that color between different system is linked up and provided important evidence.But, the medium independence of classical color management system but cannot be applicable to rice paper be medium the Chinese Painting and Calligraphy art work copy production.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, a kind of color space belonging to Chinese Painting and Calligraphy pigment must being proposed, substituting classical color management method, to reaching the object of high accuracy reductivism product color.
Summary of the invention
The object of the invention is for prior art Problems existing, provide a kind of precisely, the color rendition method that copies of efficient and purposes is wide calligraphy artwork digitlization.
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 the coating of conventional Chinese painting color for color lump, record each color lump color-values;
2) use conventional graphics software to set a document under L.a.b color environment, insert each color lump color-values that step 1) gathers respectively and preserve this digital colour atla file;
3) use professional print software under L.a.b color environment, read above-mentioned digital colour atla file, adopt the print media identical with art work original copy material, print out this digital colour atla file by specialized printers, obtain physics colour atla;
4) under same collection environment, gather the Chinese Painting and Calligraphy art work and physics colour atla respectively and save as digital document respectively, the physics colour atla that printout gathers obtains gathering colour atla, measure to compare and gather colour atla and physics colour atla also record value of chromatism between the two, value of chromatism according to above-mentioned record adjusts the physical colour card file of collection in image color correction software, 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 gathered, the color rendition that the digitlization of the Chinese Painting and Calligraphy art work copies can be completed.
The concrete steps of described step 1) are:
(1.1) 21 kinds of conventional water-based Chinese painting colors are got;
(1.2) art post paperboard that whiteness is about 80-85% is then got;
(1.3) 21 kinds of water-based Chinese painting colors are coated in art post paperboard respectively equably, and adopt black and white two kinds of mixing colors 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) each color lump of spectrophotometer measurement is used, and the rgb color value of each color lump of round numbers record.
Spectrophotometer in described step (1.4) needs to make zero before using and calibrates white field, when the color-values that each color lump of spectrophotometer measurement obtains is L.a.b color-values, sRGB pattern or Adobe RGB patten transformation need be adopted to be rgb color value.
Described step 2) concrete steps be:
(2.1) one in conventional graphics software CorelDraw, Adobe Illustrator or Adobe InDesign is selected;
(2.2) color environment of selected graphics software is set to L.a.b pattern;
(2.3) in selected graphics software, one is set in horizontal document;
(2.4) 28 square frames and 1 rectangle frame is set in a document;
(2.5) in frame, insert each color lump color-values that step 1) gathers respectively, 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 then 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 the archive format of CorelDraw to be the archive format of .CDR, Adobe Illustrator be .AI, Adobe InDesign is .ID; High quality print mode need be selected in output intent option when numeral colour atla file saves as PDF.
Described step 3) in professional print software be the graphics software or the Adobe Photoshop image software that make digital colour atla file; Specialized printers refers to 8 looks or more wide format printer, the drive software of this specialized printers supports color management completely, this drive software comprises the ColorSync of WCS and the MAC OS system of Windows system, and the color management functionality of specialized printers when printing digital colour atla file in forbidding drive software.
Described step 3) in digital colour atla file printout export after select thickness to be about 2mm, namely smooth well-pressed sheet material holder obtains physics colour atla after mounting.
Described step 4) in printer and step 3) in the set environment of printer consistent, and embed the ICC profile of print media.
Described step 4) in step 3) the physics colour atla that prints is standard, use spectrophotometer one by one color lump measurements compare collection colour atla and physics colour atla and recorded color value.
Described step 4) in adjusted value adopt the holding function record in color correction software to form color correction process, and the color correction process of recording is applied in the Chinese Painting and Calligraphy art work digital document simultaneously gathered and completes color correction.
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 when environmental condition is consistent, without the need to the duplication of labour, one time achievement repeatedly uses, and greatly saves the process time.
The color rendition that the digitlization that method of the present invention is applicable to the various pigment such as state's drawing silk medium class, watercolor art paper medium class, oil painting class and medium copies, 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.
Detailed description of the invention
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%, size is about the art post paperboard of 100mmX100mm, 21 kinds of water-based Chinese painting colors are coated in art post paperboard respectively equably, and adopt black and white two kinds of mixing colors 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 field, use each color lump of spectrophotometer measurement, and the rgb color value of each color lump of round numbers record, when the color-values that each color lump of spectrophotometer measurement obtains is L.a.b color-values, sRGB pattern or Adobe RGB patten transformation need be adopted to be rgb color value, 2) conventional graphics software CorelDraw is selected, one in Adobe Illustrator or Adobe InDesign, and the color environment of selected graphics software is set to L.a.b pattern, in graphics software, set a specification is that 210mmX270mm is also in horizontal document, set 28, square frame and 1 wide rectangle frame for 30mm that specification is 30mmX30mm in a document, each color lump color-values that step 1) gathers is inserted respectively in frame, 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 then L.a.b pattern, above-mentioned digital colour atla file is preserved under RGB pattern, 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, high quality print mode need be selected in output intent option when numeral colour atla file saves as PDF, 3) use professional print software under L.a.b color environment, read above-mentioned digital colour atla file, adopt the print media identical with art work original copy material, this digital colour atla file is printed out by specialized printers, then select thickness to be about 2mm, namely smooth well-pressed sheet material holder obtains physics colour atla after mounting the digital colour atla file of this output, wherein professional print software is the graphics software or the Adobe Photoshop image software that make digital colour atla file, specialized printers refers to 8 looks or more wide format printer, the drive software of this specialized printers supports color management completely, this drive software comprises the ColorSync of WCS and the MAC OS system of Windows system, and the color management functionality of specialized printers when printing digital colour atla file in forbidding drive software, 4) under same collection environment, gather the Chinese Painting and Calligraphy art work and physics colour atla respectively and save as digital document respectively, the collection environment of physics colour atla must gather completely the same with the art work, comprising collection camera settings, lamplight setting, the factors such as ambient influnence, the physics colour atla that printout gathers obtains gathering colour atla, and it is consistent with the set environment of the printer printing physics colour atla to print the printer gathering colour atla, and embed the ICC profile of print media in advance, the physics colour atla printed with step 3) is for standard, use spectrophotometer one by one color lump measurements compare collection colour atla and physics colour atla recorded color value, for color correction below provides quantitative basis, value of chromatism according to above-mentioned record adjusts the physical colour card file of collection in image color correction software, object makes the physical colour card file of collection obtain consistent color with physics colour atla, in this process, need progressively to record adjusted values all in color correction process, such as colourity, 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 gathered, the color rendition that the digitlization of the Chinese Painting and Calligraphy art work copies can be completed.In above-mentioned steps 4) in, also can enable holding function in color correction software (such as Adobe Photoshop), to record color correction process, and the color correction process of recording is applied in the Chinese Painting and Calligraphy art work digital document simultaneously gathered and completes color correction, higher after operating efficiency.When the collection environment of multiple Chinese Painting and Calligraphy art work is consistent, then the color correction of all calligraphy artworks gathered in this environment all can adopt same set of color correction parameter, without the need to repeating the comparison procedure in step 4), substantially increases make efficiency.When the Chinese Painting and Calligraphy art work that digitlization copies adopts rice paper medium, select conventional painting and calligraphy rice paper by hand, instead of the imitative rice paper of machine-made rice paper or band 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 when environmental condition is consistent, without the need to the duplication of labour, one time achievement repeatedly uses, and greatly saves the process time; The color rendition that the digitlization that the method is applicable to the various pigment such as state's drawing silk medium class, watercolor art paper medium class, oil painting class and medium copies, is with a wide range of applications.
Above embodiment is only and technological thought of the present invention is described, can not limit protection scope of the present invention with this, every technological thought proposed according to the present invention, and any change that technical scheme basis is done, all falls within scope; The technology that the present invention does not relate to all is realized by prior art.
Claims (9)
1. the color rendition method that copies of calligraphy artwork digitlization, is characterized in that comprising the following steps:
1) get the coating of conventional Chinese painting color for color lump, record each color lump color-values;
2) use conventional graphics software under L.a.b color environment, to set a document as digital colour atla file, insert each color lump color-values that step 1) gathers respectively and preserve this digital colour atla file;
3) use professional print software under L.a.b color environment, read above-mentioned digital colour atla file, adopt the print media identical with art work original copy material, print out this digital colour atla file by specialized printers, obtain physics colour atla;
4) under same collection environment, gather the Chinese Painting and Calligraphy art work and physics colour atla respectively and save as digital document respectively, the physics colour atla that printout gathers obtains gathering colour atla, measure to compare and gather colour atla and physics colour atla also record value of chromatism between the two, value of chromatism according to above-mentioned record adjusts the physical colour card file of collection in image color correction software, 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 gathered, the color rendition that the digitlization of the Chinese Painting and Calligraphy art work copies can be completed;
The concrete steps of described step 1) are:
(1.1) 21 kinds of conventional water-based Chinese painting colors are got;
(1.2) art post paperboard that whiteness is 80-85% is then got;
(1.3) 21 kinds of water-based Chinese painting colors are coated in art post paperboard respectively equably, and adopt black and white two kinds of mixing colors 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) each color lump of spectrophotometer measurement is used, and the rgb color value of each color lump of round numbers record.
2. the color rendition method that copies of calligraphy artwork digitlization according to claim 1, need to make zero before it is characterized in that the spectrophotometer use in described step (1.4) and calibrate white field, when the color-values that each color lump of spectrophotometer measurement obtains is L.a.b color-values, sRGB pattern or Adobe RGB patten transformation need be adopted to be rgb color value.
3. the color rendition method that copies of calligraphy artwork digitlization according to claim 1, is characterized in that described step 2) concrete steps be:
(2.1) one in conventional graphics software CorelDraw, Adobe Illustrator or Adobe InDesign is selected;
(2.2) color environment of selected graphics software is set to L.a.b pattern;
(2.3) in selected graphics software, one is set in horizontal document;
(2.4) 28 square frames and 1 rectangle frame is set in a document;
(2.5) in frame, insert each color lump color-values that step 1) gathers respectively, 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 then 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.
4. the color rendition method that copies of calligraphy artwork digitlization according to claim 3, it is characterized in that in described step (2.6): the archive format of CorelDraw is .CDR, the archive format of Adobe Illustrator is the archive format of .AI, Adobe InDesign is .ID; High quality print mode need be selected in output intent option when numeral colour atla file saves as PDF.
5. the color rendition method that copies of calligraphy artwork digitlization according to claim 1, is characterized in that described step 3) in professional print software be the graphics software or the Adobe Photoshop image software that make digital colour atla file; Specialized printers refers to 8 looks or more wide format printer, the drive software of this specialized printers supports color management completely, this drive software comprises the ColorSync of WCS and the MAC OS system of Windows system, and the color management functionality of specialized printers when printing digital colour atla file in forbidding drive software.
6. the color rendition method that copies of calligraphy artwork digitlization according to claim 1, is characterized in that described step 3) in digital colour atla file printout export after select thickness 2mm, namely smooth well-pressed sheet material holder obtain physics colour atla after mounting.
7. the color rendition method that copies of calligraphy artwork digitlization according to claim 1, is characterized in that described step 4) in printer and step 3) in the set environment of printer consistent, and embed the ICC profile of print media.
8. the color rendition method that copies of calligraphy artwork digitlization according to claim 1, it is characterized in that described step 4) in step 3) the physics colour atla that prints is standard, use spectrophotometer one by one color lump measurements compare collection colour atla and physics colour atla and recorded color value.
9. the color rendition method that copies of calligraphy artwork digitlization according to claim 1, 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 the color correction process of recording is applied in the Chinese Painting and Calligraphy art work digital document simultaneously gathered and completes color correction.
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| CN103587268A (en) | 2014-02-19 |
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