CN103419468A - System and method for achieving holographic discoloration - Google Patents
System and method for achieving holographic discoloration Download PDFInfo
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- CN103419468A CN103419468A CN2013102948305A CN201310294830A CN103419468A CN 103419468 A CN103419468 A CN 103419468A CN 2013102948305 A CN2013102948305 A CN 2013102948305A CN 201310294830 A CN201310294830 A CN 201310294830A CN 103419468 A CN103419468 A CN 103419468A
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- 238000000034 method Methods 0.000 title claims abstract description 68
- 238000002845 discoloration Methods 0.000 title abstract 6
- 238000007639 printing Methods 0.000 claims abstract description 56
- 238000012216 screening Methods 0.000 claims abstract description 52
- 230000008569 process Effects 0.000 claims abstract description 29
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- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000010146 3D printing Methods 0.000 abstract description 4
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Abstract
The invention relates to the field of silk-screen printing, in particular to a system and a method for achieving the holographic discoloration. The method comprises the following steps: adopting three-dimensional image acquire equipment is adopted to acquire three-dimensional image data of a source object, copying the three-dimensional image data to an image data decomposition device, analyzing two-dimensional image data by an image data analysis device according to the interference condition, outputting films by a film output device according to film source data, manufacturing a three-dimensional printing screen printing plate by a screen printing plate manufacturing module, and manufacturing a holographic discoloration product by a printing module according to the three-dimensional printing screen printing plate and stratified data. The holographic discoloration technology is achieved according to a silk-screening printing technology, and holographic images with the advantages of relatively high fineness, good color reproducibility, illumination aging resistance, high temperature resistance, high humidity resistance and aging resistance are printed with optical material with relatively low cost, so that not only the process cost is lowered, but also the imaging effect of the product is improved, and the adaptability of the holographic discoloration product is improved, and the application range of the holographic discoloration is expanded.
Description
Technical field
The present invention relates to the electronic printing field, relate in particular to a kind of system and method for realizing holographic variable color.
Background technology
Holographic color-change technology is by utilizing the principle of interference and diffraction, records and reproduce the technology of the real 3-dimensional image of object; Because the image third dimension that adopts holographic technique to produce is strong, lifelike image, it is widely used in the fields relevant with visual perception's effect such as film, TV, the art work.
Fig. 1 is traditional holographic variable color process flow diagram, as shown in Figure 1, in traditional holographic variable color technique, be mainly to be applied on the surface of material, by the surface to material successively electroplated, the techniques such as sided corona treatment, mould molding, vacuum coating and rear road processing, finally to present 3-dimensional image; Due to, the material require used in traditional holographic variable color technique is through specially treated, afterwards could the material after processing be printed, sprayed and the technique such as rear road processing could be reproduced the technology of product holography variable color, and then cause process costs higher, and the fraction defective of product is also higher, the image imaging weak effect of the holographic off-color product formed, and multiple working procedure influences each other and can reduce the adaptability of holographic off-color product, makes its range of application less.
Summary of the invention
For addressing the above problem, the technical solution used in the present invention is:
The invention discloses a kind of system that realizes holographic variable color, wherein, comprising:
Three-dimensional image acquisition equipment, the 3 d image data of collection source object;
The view data decomposer, be decomposed into two-dimensional image data by described 3 d image data;
The analysis of image data device, analyzed described two-dimensional image data, continues color separation, adds network process, forms film source data and individual-layer data;
Film output device, according to the described film source data output film;
Half tone is made module, according to the described film, makes the stereosopic printing half tone;
Printing module, make holographic off-color product according to described stereosopic printing half tone and described individual-layer data.
The system of the holographic variable color of above-mentioned realization, wherein, described three-dimensional image acquisition equipment is the 3D camera, described view data decomposer is the computer that is provided with 3D4U Printing program, described analysis of image data device is the computer that is provided with Coreldraw, Illustrator program, and described film output device is film film setter.
The system of the holographic variable color of above-mentioned realization, wherein, also comprise grating photo analytical engine, and described grating photo analytical engine copies to described view data decomposer by the 3 d image data of the source object of described three-dimensional image acquisition equipment collection.
The invention also discloses a kind of method that realizes holographic variable color, wherein, be applied to the system of the holographic variable color of the described realization of any one described above, comprise the following steps:
Adopt described three-dimensional image acquisition equipment to carry out the 3 d image data collection to source object;
Described 3 d image data is copied to described view data decomposer, so that described 3 d image data is decomposed into to two-dimensional image data;
According to interference condition, after utilizing described analysis of image data device to be analyzed described two-dimensional image data, to carry out color separation, to add network process, form film source data and individual-layer data;
Utilize the described film output device output film according to described film source data;
Adopt the described film to make module making stereosopic printing half tone by half tone;
Make holographic off-color product according to described stereosopic printing half tone and described individual-layer data by described printing module.
The method of the holographic variable color of above-mentioned realization, wherein, adopt the plate-making screen density that is greater than 120 lines/cm to carry out the making of described stereosopic printing half tone, and described stereosopic printing half tone comprises yellow version (Y), magenta version (M), cyan version (C) and black version (K).
The method of the holographic variable color of above-mentioned realization, wherein, while adopting the described film to make module making stereosopic printing half tone by half tone, comprise color-dividing process, add network process; Wherein, adopt the number of scanning lines that is greater than 400 lines to carry out described color-dividing process, adopt the mesh of 450-500 to carry out the described network process that adds.
The method of the holographic variable color of above-mentioned realization, wherein, adopt the netting twine that the site spreading rate is not less than 5%, angle is not 0 degree angle to carry out the described network process that adds, and described cyan version is identical with the cable angle of described black version.
The method of the holographic variable color of above-mentioned realization, wherein,
At 0.6 pitch/cm, during the color separation of 100 lines/cm, the angle of yellow version screening is 75-85 °, and the angle of pinkish red version screening is 32-38 °, and the angle of cyan version screening is 62-68 °, and the angle of black version screening is 62-68 °;
At 0.44 pitch/cm, during the color separation of 58 lines/cm, the angle of yellow version screening is 50-55 °, and the angle of pinkish red version screening is 20-25 °, and the angle of cyan version screening is 65-70 °, and the angle of black version screening is 65-70 °;
At 0.31 pitch/cm, during the color separation of 81 lines/cm, the angle of yellow version screening is 62-68 °, and the angle of pinkish red version screening is 20-25 °, and the angle of cyan version screening is 50-55 °, and the angle of black version screening is 50-55 °.
The method of the holographic variable color of above-mentioned realization, wherein, while adopting other positive-type PS plates making stereosopic printing half tones except the special use of UV printing ink, be under 250 ℃ of conditions in temperature, carries out the printing down technique of 6-8 minute.
The method of the holographic variable color of above-mentioned realization, wherein, while adopting negative-type PS plate to make the stereosopic printing half tone, the sheet material of employing is high pressrun type.
A kind of system and method for realizing holographic variable color of the present invention, realize holographic color-change technology by using silk-screen printing technique, and then realization adopts the optical material of lower price, print out and have that fineness is higher, color reprodubility good, color fastness is high, and can anti-illumination ageing, the hologram image of the hot and humid advantage such as aging, not only reduce process costs, also improved the image imaging effect of handicraft product, increased adaptability and the range of application thereof of holographic off-color product.
The accompanying drawing explanation
By reading the detailed description of non-limiting example being done with reference to following accompanying drawing, further feature of the present invention, it is more obvious that purpose and advantage will become.
Fig. 1 is holographic variable color process flow diagram traditional in background technology of the present invention;
Fig. 2 is the structural representation of realizing holographic color change system in the embodiment of the present invention;
Fig. 3 is the flowage structure schematic diagram of realizing holographic color changing method in the embodiment of the present invention.
The specific embodiment
For technological means that the present invention is realized, create feature, reach purpose and effect is easy to understand, lower combination specifically illustrates, and further sets forth the present invention.
Fig. 2 is the structural representation of realizing holographic color change system in the embodiment of the present invention; As shown in Figure 2, the invention discloses a kind of system that realizes holographic variable color, comprise as three-dimensional image acquisition equipment such as 3D cameras, grating photo analytical engine, as be provided with the view data decomposer of the computer of 3D4U Printing program, as be provided with the analysis of image data device of the computer of Coreldraw, Illustrator program, film film setter, stereosopic printing screen manufacturing device and silk-screen printing device.
Concrete, adopt the 3D camera to carry out the 3 d image data collection to source object, utilize grating photo analytical engine to carry out copying of plane transmission hologram to collecting 3 d image data, so that 3 d image data is copied on the computer that is provided with 3D4U Printing program, utilize 3D4U Printing program 3 d image data to be decomposed into two-dimentional view data; Above-mentioned two-dimensional image data is copied on the computer that is provided with Coreldraw, Illustrator program, and utilize Coreldraw, Illustrator program by above-mentioned two-dimensional image data according to interference condition analyzed, screening and color-dividing process, and then output film source data and individual-layer data; Film film setter is according to the above-mentioned film source data output film, and the stereosopic printing screen manufacturing device utilizes film data creating half tone; Finally, silk-screen printing device completes the making of holographic off-color product according to half tone and above-mentioned individual-layer data.
Wherein, above-mentioned stereosopic printing half tone comprises yellow version (Y), magenta version (M), cyan version (C) and black version (K), the concrete making in stereosopic printing half tone process, the plate-making screen density that employing is greater than 120 lines/cm carries out the making of stereosopic printing half tone, and in concrete stereosopic printing process:
When at 0.6 pitch/cm, during the color separation of 100 lines/cm, the angle of yellow version screening is 75-85 ° as 75 °, 78 °, 81 ° or 85 ° etc., the angle of pinkish red version screening is 32-38 ° as 32 °, 34 °, 36 ° or 38 ° etc., the angle of cyan version screening is 62-68 ° as 62 °, 64 °, 66 ° or 68 ° etc., and the angle of black version screening is 62-68 ° as 62 °, 64 °, 66 ° or 68 ° etc.;
When at 0.44 pitch/cm, during the color separation of 58 lines/cm, the angle of yellow version screening is 50-55 ° as 50 °, 52 °, 53 ° or 55 ° etc., the angle of pinkish red version screening is 20-25 ° as 20 °, 21 °, 23 ° or 25 ° etc., the angle of cyan version screening is 65-70 ° as 65 °, 66 °, 68 ° or 70 ° etc., and the angle of black version screening is 65-70 ° as 65 °, 67 °, 68 ° or 70 ° etc.;
When at 0.31 pitch/cm, during the color separation of 81 lines/cm, the angle of yellow version screening is 62-68 ° as 62 °, 64 °, 66 ° or 68 ° etc., the angle of pinkish red version screening is 20-25 ° as 20 °, 22 °, 23 ° or 25 ° etc., the angle of cyan version screening is 50-55 ° as 50 °, 51 °, 53 ° or 55 ° etc., and the angle of black version screening is 50-55 ° as 50 °, 51 °, 54 ° or 55 ° etc.
Fig. 3 is the flowage structure schematic diagram of realizing holographic color changing method in the embodiment of the present invention; As shown in Figure 3, at first, adopt three-dimensional image acquisition equipment to carry out the 3 d image data collection to the source object of holographic variable color, as utilize 3D camera 3-d photographs etc., be greater than the 3 d image data of 700dpi to obtain source object.
Secondly, utilize grating photo analytical engine to carry out copy (the copying of volume hologram) of plane transmission hologram to collecting 3 d image data, 3 d image data is copied to the view data decomposer, as be provided with computer of light tools program etc., recycling is imported graphical analysis as light tools programs such as 3D4U Printing by the 3 d image data of above-mentioned source object, and according to analyzed result, pattern being decomposed into to some interference lines, the 3 d image data that is about to source object is decomposed into two-dimentional view data.
Then, above-mentioned some interference lines are imported to the analysis of image data device entirely, as importing is provided with on the computer of two dimensional image analysis program, recycling is as the routine analyzer of Coreldraw, Illustrator etc. analyzed the interference lines that decomposite according to interference condition after, carry out screening, color-dividing process, and then output film source data and individual-layer data.
Afterwards, by film source data input film film setter, adopt the plate-making screen density that is greater than 120 lines/cm to make the stereosopic printing half tone, and the stereosopic printing half tone of making comprise yellow version (Y), magenta version (M), cyan version (C) and black version (K); Wherein, the processing procedure of making the stereosopic printing half tone comprises the color-dividing process that adopts the above number of scanning lines of 400 lines, adds network process etc.; Because the stereo-picture pixel is comparatively fine and smooth, and cylindrical lens raster has the reasons such as amplification, in order to obtain the printed matter that quality is higher, needs to adopt than fine mesh to be added network process as the mesh of 450-500.
Further, in order to improve the color separation linked network of plate-making, the precision of copy, site requires solidly not emptyly to be not less than 5% as the site spreading rate, just can make scene image keep abundant level.
Finally, adopt silk-screen printing device to complete the making of holographic off-color product according to stereosopic printing half tone and individual-layer data, in the stereosopic printing process, due to the view data of source object through decomposing, after analysis, by the compact arranged pixel of a rule, formed, through plate-making, also want the combined column runner plate after printing, so while selecting cable angle, except the moire that will consider to form between half tone, be also noted that each screen angle and pixel line, the moire that the cylindrieal lens plate line forms, and horizontal netting twine is the most obvious, and 0 degree and pixel line, post mirror line quadrature, definition and the depth perception of image have been disturbed, so, should not select 0 degree screening in stereosopic printing, in addition, in stereosopic printing, the screen angle of C, K version should be consistent, and its colour printing China ink field density wants high, wherein, during follow-up different pitch stereosopic printing, need to adopt the netting twine combination angle of different yellow version (Y), magenta version (M), cyan version (C), black version (K), to avoid the generation of interference fringe, be specially:
When at 0.6 pitch/cm, during the color separation of 100 lines/cm, the angle of yellow version screening is 75-85 ° as 75 °, 78 °, 81 ° or 85 ° etc., the angle of pinkish red version screening is 32-38 ° as 32 °, 34 °, 36 ° or 38 ° etc., the angle of cyan version screening is 62-68 ° as 62 °, 64 °, 66 ° or 68 ° etc., and the angle of black version screening is 62-68 ° as 62 °, 64 °, 66 ° or 68 ° etc.;
When at 0.44 pitch/cm, during the color separation of 58 lines/cm, the angle of yellow version screening is 50-55 ° as 50 °, 52 °, 53 ° or 55 ° etc., the angle of pinkish red version screening is 20-25 ° as 20 °, 21 °, 23 ° or 25 ° etc., the angle of cyan version screening is 65-70 ° as 65 °, 66 °, 68 ° or 70 ° etc., and the angle of black version screening is 65-70 ° as 65 °, 67 °, 68 ° or 70 ° etc.;
When at 0.31 pitch/cm, during the color separation of 81 lines/cm, the angle of yellow version screening is 62-68 ° as 62 °, 64 °, 66 ° or 68 ° etc., the angle of pinkish red version screening is 20-25 ° as 20 °, 22 °, 23 ° or 25 ° etc., the angle of cyan version screening is 50-55 ° as 50 °, 51 °, 53 ° or 55 ° etc., and the angle of black version screening is 50-55 ° as 50 °, 51 °, 54 ° or 55 ° etc.
Further, because the chromatography precision of stereosopic printing requires very highly, generally need to adopt the PS version to be printed, but, except the positive-type PS plate of other of the special-purpose positive-type PS plate of UV printing ink, if through the baking processing, its pressrun is all lower; So, when selecting other positive-type PS plates except the special use of UV printing ink to make stereosopic printing half tones, need to be under 250 ℃ of conditions in temperature, carry out the printing down technique of 6-8 minute, to increase its pressrun, and while selecting negative-type PS plate to make the stereosopic printing half tone, to select high pressrun plate to be made a plate.
Preferably, because stereoscopic print is much more final and plastic plate is compound, and cylindrieal lens plate is mostly with certain gray scale, and three-dimensional printing use is 300 wire-mesh screens of very fine, when printing down, only need shine to 8.5～9 one-tenth points, otherwise easy scumming during printing, so just need to strengthen the colo(u)r specification in shadow zone, to reach the effect of 9～9.5 one-tenth points.So it is high that stereosopic printing prints black field density than the colour of lithographic plate four-color process; As in offset lithography Y be that 1～1.1, M is that 1.4～1.5, C is 1.5～1.6; And in three-dimensional printing, Y is 1.33～1.35, M is 1.31～1.33, and C is 2.
Further, also need to cover on the finished surface of printing to boil face lens light screen, so just can there is third dimension; The cylindrical lens raster plate used at present has two kinds of duroplasts and flexible plastics, and the former mainly contains polystyrene, and the latter mainly contains polyvinyl chloride.Need to follow according to relevant parameter before cylindrical lens is compound and make a cylindrical lens negative template, then boundary layer flanging moulding; Method commonly used mainly contains concora crush laminating method, cylinder laminating method and rear subsides method.
In sum, a kind of system and method for realizing holographic variable color of the present invention, realize holographic color-change technology by using silk-screen printing technique, and then realization adopts the optical material of lower price, print out and have that fineness is higher, color reprodubility good, color fastness is high, and can anti-illumination ageing, the hologram image of the hot and humid advantage such as aging, not only reduced process costs, also improve the image imaging effect of handicraft product, increased adaptability and the range of application thereof of holographic off-color product.
Above specific embodiments of the invention are described.It will be appreciated that, the present invention is not limited to above-mentioned specific implementations, and the equipment of wherein not describing in detail to the greatest extent and structure are construed as with the common mode in this area to be implemented; Those skilled in the art can make various distortion or modification within the scope of the claims, and this does not affect flesh and blood of the present invention.
Claims (10)
1. a system that realizes holographic variable color, is characterized in that, comprising:
Three-dimensional image acquisition equipment, the 3 d image data of collection source object;
The view data decomposer, be decomposed into two-dimensional image data by described 3 d image data;
The analysis of image data device, analyzed described two-dimensional image data, continues color separation, adds network process, forms film source data and individual-layer data;
Film output device, according to the described film source data output film;
Half tone is made module, according to the described film, makes the stereosopic printing half tone;
Printing module, make holographic off-color product according to described stereosopic printing half tone and described individual-layer data.
2. the system of the holographic variable color of realization according to claim 1, it is characterized in that, described three-dimensional image acquisition equipment is the 3D camera, described view data decomposer is the computer that is provided with 3D4U Printing program, described analysis of image data device is the computer that is provided with Coreldraw, Illustrator program, and described film output device is film film setter.
3. the system of the holographic variable color of realization according to claim 1, it is characterized in that, also comprise grating photo analytical engine, described grating photo analytical engine copies to described view data decomposer by the 3 d image data of the source object of described three-dimensional image acquisition equipment collection.
4. a method that realizes holographic variable color, is characterized in that, is applied to the system as the holographic variable color of the described realization of any one in claim 1-3, comprises the following steps:
Adopt described three-dimensional image acquisition equipment to carry out the 3 d image data collection to source object;
Described 3 d image data is copied to described view data decomposer, so that described 3 d image data is decomposed into to two-dimensional image data;
According to interference condition, after utilizing described analysis of image data device to be analyzed described two-dimensional image data, to carry out color separation, to add network process, form film source data and individual-layer data;
Utilize the described film output device output film according to described film source data;
Adopt the described film to make module making stereosopic printing half tone by half tone;
Make holographic off-color product according to described stereosopic printing half tone and described individual-layer data by described printing module.
5. the method for the holographic variable color of realization according to claim 4, it is characterized in that, the plate-making screen density that employing is greater than 120 lines/cm carries out the making of described stereosopic printing half tone, and described stereosopic printing half tone comprises yellow version (Y), magenta version (M), cyan version (C) and black version (K).
6. the method for the holographic variable color of realization according to claim 4, is characterized in that, while adopting the described film to make module making stereosopic printing half tone by half tone, comprises color-dividing process, adds network process; Wherein, adopt the number of scanning lines that is greater than 400 lines to carry out described color-dividing process, adopt the mesh of 450-500 to carry out the described network process that adds.
7. the method for the holographic variable color of realization according to claim 6, is characterized in that, adopt the netting twine that the site spreading rate is not less than 5%, angle is not 0 degree angle to carry out the described network process that adds, and described cyan version is identical with the cable angle of described black version.
8. the method for the holographic variable color of realization according to claim 4, it is characterized in that, at 0.6 pitch/cm, during the color separation of 100 lines/cm, the angle of yellow version screening is 75-85 °, the angle of pinkish red version screening is 32-38 °, and the angle of cyan version screening is 62-68 °, and the angle of black version screening is 62-68 °;
At 0.44 pitch/cm, during the color separation of 58 lines/cm, the angle of yellow version screening is 50-55 °, and the angle of pinkish red version screening is 20-25 °, and the angle of cyan version screening is 65-70 °, and the angle of black version screening is 65-70 °;
At 0.31 pitch/cm, during the color separation of 81 lines/cm, the angle of yellow version screening is 62-68 °, and the angle of pinkish red version screening is 20-25 °, and the angle of cyan version screening is 50-55 °, and the angle of black version screening is 50-55 °.
9. the method for the holographic variable color of realization according to claim 4, is characterized in that, while adopting other positive-type PS plates making stereosopic printing half tones except the special use of UV printing ink, in temperature, is under 250 ℃ of conditions, carries out the printing down technique of 6-8 minute.
10. the method for the holographic variable color of realization according to claim 4, is characterized in that, while adopting negative-type PS plate to make the stereosopic printing half tone, the sheet material of employing is high pressrun type.
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| CN107116920A (en) * | 2017-03-30 | 2017-09-01 | 苏州印象镭射科技有限公司 | A kind of bore hole 3D picture and text and Method of printing and printing device |
| CN108081735A (en) * | 2018-01-23 | 2018-05-29 | 广东省南方彩色制版有限公司 | Two dimension and the production method of the three-dimensional laser gravure wood grain printing plate roller combined |
| CN109080279A (en) * | 2018-07-24 | 2018-12-25 | 敬业（东莞）印刷包装厂有限公司 | The printing process of polychrome temperature sensitive ink |
| CN109532203A (en) * | 2018-10-19 | 2019-03-29 | 中丰田光电科技(珠海)有限公司 | A kind of multifunctional holographic pattern optical frequency variable keyline layout method and device |
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