CN106926599A - A kind of preparation method for printing interleave and false proof dynamic moire line - Google Patents
A kind of preparation method for printing interleave and false proof dynamic moire line Download PDFInfo
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- CN106926599A CN106926599A CN201710090269.7A CN201710090269A CN106926599A CN 106926599 A CN106926599 A CN 106926599A CN 201710090269 A CN201710090269 A CN 201710090269A CN 106926599 A CN106926599 A CN 106926599A
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- China
- Prior art keywords
- lenticular lenses
- interleave
- picture
- width
- printing
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
- B41M3/14—Security printing
- B41M3/148—Transitory images, i.e. images only visible from certain viewing angles
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/18—Diffraction gratings
Abstract
The invention discloses a kind of preparation method for printing interleave and false proof dynamic moire line, the chequered with black and white lenticular lenses of design, interleave number n is calculated using the property of lenticular lenses, n width black and white is hidden into the various location that picture is distributed in lenticular lenses, n figure is entered into line raster treatment successively in order, this n pictures is then combined as a composite diagram；Using identical lenticular lenses as decoding lenticular lenses, composite diagram is placed on same position with decoding lenticular lenses, at the uniform velocity mobile decoding lenticular lenses, obtain the Dynamic Graph of moir patterns in the horizontal direction.The present invention hides anti-counterfeiting technology and provides fundamental basis for dynamic moire graph text information, solves current dynamic moire line generation Problem, and be conducive to the popular popularization of dynamic moire line anti-counterfeiting technology.
Description
Technical field
The invention belongs to dynamic moire line field of anti-counterfeit technology, and in particular to a kind of for printing interleave and false proof dynamic
The preparation method of moir patterns.
Background technology
Moire fringe in press inevitably affects the quality of brush product, has now been found that Moire fringe in antiforge
In have very big advantage.With the development of science and technology counterfeit goods is also more and more, application of More's anti-counterfeiting technology in printed matter
Role is also more and more important.But individual hiding picture causes that the false proof coefficient of the moir patterns of static state is low, if adopting
Carried out with dynamic moire line false proof, false proof performance can be improved, hide several figure lines, and increase dynamic effect, it is special to increase
Antiforge function.It is also fewer for the research of dynamic moire line at present, fail for dynamic moire line to be devoted to actual printing to prevent
In puppet.Dynamic moire line how is produced, is the problem for first having to solve.
The content of the invention
It is an object of the invention to provide a kind of preparation method for printing interleave and false proof dynamic moire line, solve
Dynamic moire line generates nonstandard problem, and being dynamic moire line, using in false proof provides reference.
The technical solution adopted in the present invention is, a kind of making side for printing interleave and false proof dynamic moire line
Method, comprises the following steps：
Step 1, design m standby linears or the continuous black and white adjusted hide picture, m >=2, the shape of standby picture, big
Small, color all keeps close；
Step 2, makes chequered with black and white lenticular lenses, and black streaking width should be informal voucher line integral multiple wide；
Step 3, first, it is assumed that black, informal voucher line width is respectively x pixel, y pixel, every t pixel interleave one
It is secondary, the interleave number in lenticular lenses, n >=2 are calculated by formula n=(x+y)/t frames；Then, from the standby picture of step 1 design
In optionally go out n width pictures, n width figures are named respectively with picture 1 to picture n, by this n width picture being spaced at equal intervals in same level
On face, while being in same vertical direction；
Step 4, n figure is distributed in the various location of the lenticular lenses that step 2 makes, and in order successively enters n figure
Then this n pictures is combined as a composite diagram by line raster treatment；
Step 5, using the lenticular lenses identical lenticular lenses with making in step 2 as decoding lenticular lenses, by composite diagram and solution
Code lenticular lenses are placed on same position, and at the uniform velocity mobile decoding lenticular lenses, obtain the Dynamic Graph of moir patterns in the horizontal direction.
The features of the present invention is also resided in：
Further, grating treatment specific method is in step 4：Along t picture of horizontal same direction moving grating piece (a-1)
Usually rasterization process figure a, wherein a refer to a pictures in the n pictures of step 3 definition, and a is equal to 1,2 ..., n.
T is wide equal to the informal voucher line of lenticular lenses in step 3.
A width of 2~50 pixels of black streaking in step 2, a width of 1~10 pixel of informal voucher line.
In step 3 equidistantly in spacing between 0.1cm~0.5cm.
In step 1 resolution ratio of standby picture be 50ppi~3000ppi, graphic file size be 3cm × 3cm~
25cm×25cm。
The beneficial effects of the invention are as follows the preparation method that the present invention is used for the dynamic moire line of antiforge, using grating
The methods such as interleave algorithm, the rasterization process of picture and matched FBG between piece and picture, ultimately generate dynamic moire effect.
Anti-counterfeiting technology is hidden for dynamic moire graph text information to provide fundamental basis, solve current dynamic moire line and generate lack of standardization asking
Topic, and be conducive to the popular popularization of dynamic moire line anti-counterfeiting technology.
Brief description of the drawings
Fig. 1 is 6 standby black and white pictures of embodiment of the present invention design；
Fig. 2 is the black-white grating piece of the embodiment of the present invention；
Fig. 3 is 6 pictures after embodiment of the present invention rasterization process；
Fig. 4 is the composite diagram of the embodiment of the present invention.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and detailed description, but the present invention is not limited to
These implementation methods.
It is of the invention to use printing interleave and false proof dynamic moire line using lenticular lenses and the interleave and dividing method of figure,
Specifically implement according to following steps in Adobe photoshop：
Step 1, designs anti-counterfeiting mark
Open software, new files 1：Design m standby black and white pictures, m >=2 are the shape of selected picture requirement picture, big
Small, color all keeps close, and picture can be linear or the continuous black and white picture adjusted.Image resolution ratio be 50ppi~
3000ppi, graphic file size is in 3cm × 3cm~25cm × 25cm.
Step 2, makes black-white grating piece
In Photoshop, new files 2：Rectangle in select tools column selects frame to draw 2~50 pixel wide
Rectangle long, " editor-filling " color is black, replicates this rectangle, and the mobile rectangle for replicating and former rectangular horizontal spacing 1
~10 pixels, choose two rectangles to replicate and move, and repeat above step, ultimately form a chequered with black and white grating
Piece.Black streaking width in the lenticular lenses should be informal voucher line integral multiple wide.Width of the strip length size more than picture.
Step 3, calculates the interleave number n of picture, selects any n pictures.
Interleave number is calculated using the property of lenticular lenses.A width of 2~50 pictures of black streaking of the lenticular lenses that step 2 is made
Element, a width of 1~10 pixel of informal voucher line inserts a frame picture every t pixel, and wherein t is relevant with printed matter screen frequency,
Dynamic accuracy is had influence on, generally, the smaller dynamic accuracy of t values is higher.According to interleave algorithm, the interleave of picture is calculated
Number.Interleave algorithm is referred specifically to：Assuming that black, informal voucher line width is respectively x pixels, y pixel, every t pixel interleave once,
It is then (x+y)/t frames in a frame number for lenticular lenses insert pictures.Typically, the spacing of interleave picture is wide with the informal voucher line of lenticular lenses
Equal, i.e., interleave number is n=(x+y)/y frames, and insertion frame number is at least 2 frames.Therefore, the interleave number of picture of the present invention is n=[(1
~10)+(2~50)]/t frames.
Optionally go out n width pictures in the standby black and white picture made from step 1, n width figures named respectively with picture 1 to picture n,
The spacing that these pictures set 0.1cm~0.5cm is placed in same level, while being in same vertical direction.
Step 4, rasterization process n width associated diagrams, and synthesize a figure
The n pictures that lenticular lenses according to being made in step 2 are picked out come rasterization process.In Photoshop, by n
The various location that figure is distributed in lenticular lenses is opened, moving grating piece makes it cover all pictures, keeps the position of lenticular lenses not
Become.
Figure 1 is only chosen, is split with the lenticular lenses made in step 2, choose lenticular lenses, choose all of black streaking
Delete keys on region, then keypad delete the part coincided with black streaking in lenticular lenses in picture 1, cancel constituency.I.e.
Can obtain Fig. 1 of rasterized treatment.Lenticular lenses are chosen, mobile instrument is selected in toolbar, in the horizontal direction moving grating
The length of t pixel of piece, chooses all black streakings in lenticular lenses, selects picture 2, press delete keys leave out in figure 2 with light
The part that grid black streaking coincides, that is, complete the treatment of figure 2.
According to the method described above, rasterization process figure a is carried out along t unit of horizontal same direction moving grating piece (a-1), wherein
A refers to a pictures in the n pictures of definition, and a is 1,2 ..., n.Identical method rasterization process as implied above this n
Picture, and this n pictures is combined as a composite diagram.
Step 5, matching and decoding lenticular lenses
The characteristic of the decoding lenticular lenses of this figure is consistent with the characteristic of the lenticular lenses made in step 2, can be with optional step 2
The lenticular lenses of making are used as decoding lenticular lenses.Shown in decoding lenticular lenses effect accompanying drawing 2.
Step 6, the formation of dynamic moire line
In Photoshop softwares, be placed on for composite diagram and lenticular lenses same by composite diagram and lenticular lenses that opening is made
Position.Choose lenticular lenses, the mobile instrument of selection, along the horizontal plane equably moving grating piece to the left, it is possible to see moir patterns
Dynamic Graph.
Embodiment
(1) black and white picture is made：In photoshop softwares, file 1 is set up：Size 20cm × 20cm, resolution ratio
It is the file of 72ppi.6 width for oneself designing and producing the suitable canvas size of size hide picture.Effect is as shown in 6 width figures in Fig. 1.
(2) black-white grating piece is made：In software, new files 2：Size 20cm × 20cm, resolution ratio is 72ppi
Gray-scale map.Figure is amplified 10 times, the rectangle in select tools column selects frame to draw a rectangle long for 10 pixels wide, " editor-
Filling " color is black, pins the ctrl+c on keyboard, and ctrl+v is replicated, and the mobile rectangle for replicating and former rectangular horizontal
2 pixels of spacing, choose two rectangles to replicate and move, and ultimately form a chequered with black and white lenticular lenses.Effect such as Fig. 2 institutes
Show.
(3) interleave algorithm：Interleave number is calculated using the property of lenticular lenses.The black streaking of the lenticular lenses that step 2 is made
A width of 10 pixels, a width of 2 pixels of informal voucher line insert a frame picture every 2 pixels, according to interleave algorithm, calculate picture
Interleave number be n=(10+2)/2=6 frames.The 6 width pictures designed in step 1 are selected, 6 width are named respectively to picture 6 with picture 1
Figure.
(4) rasterization process picture：The various location of the lenticular lenses that 6 are schemed to be made in step 2 respectively carries out light
Grid treatment.Lenticular lenses are chosen, the magic wand menu in select tools column chooses all of black streaking region, then is chosen in control group
Picture 1, the delete keys on keypad delete the part coincided with black streaking in lenticular lenses in picture 1, cancel constituency.
Lenticular lenses are chosen, mobile instrument is selected in toolbar, be moved to the left 2 units of lenticular lenses, in choosing lenticular lenses
All black streakings, select picture 2, press delete keys carries out rasterization process to picture 2.
Lenticular lenses are moved to the left 2 pixels, the black region in lenticular lenses is chosen, picture 3 is chosen, coincidence part is deleted
Point.2 pixels of lenticular lenses are moved to the left again, delete the part coincided with lenticular lenses black streaking in picture 4.Continue lenticular lenses
2 pixels are moved to the left in rasterization process picture 5,2 processes pixel pictures 6 of lenticular lenses are moved to the left again.Effect such as Fig. 3
It is shown.
The picture 1~6 that rasterization process is crossed synthesizes a pictures, and RNTO composite diagram obtains false proof figure, effect
Figure is as shown in Figure 4.
(5) matching and decoding lenticular lenses
With the lenticular lenses made in step 2 as lenticular lenses are decoded, as shown in Figure 2.
(6) formation of dynamic moire line
In Photoshop softwares, be placed on for composite diagram and lenticular lenses same by composite diagram and lenticular lenses that opening is made
Position.Choose lenticular lenses, the mobile instrument of selection, along the horizontal plane equably moving grating piece to the left, it is possible to see moir patterns
Dynamic Graph.
Claims (6)
1. a kind of preparation method for printing interleave and false proof dynamic moire line, it is characterised in that comprise the following steps：
Step 1, m standby linear of design or the continuous black and white adjusted hide picture, m >=2, the shape of standby picture, size, face
Color all keeps close；
Step 2, makes chequered with black and white lenticular lenses, and black streaking width should be informal voucher line integral multiple wide；
Step 3, first, it is assumed that black, informal voucher line width is respectively x pixel, y pixel, every t pixel interleave once,
Interleave number in lenticular lenses, n >=2 are calculated by formula n=(x+y)/t frames；Then, from the standby picture of step 1 design
Optionally go out n width pictures, n width figures are named respectively with picture 1 to picture n, by this n width picture being spaced at equal intervals in same level
On, while being in same vertical direction；
Step 4, n figure is distributed in the various location of the lenticular lenses that step 2 makes, and n figure is carried out into light successively in order
Then this n pictures is combined as a composite diagram by grid treatment；
Step 5, using the lenticular lenses identical lenticular lenses with making in step 2 as decoding lenticular lenses, by composite diagram and decoding light
Grid is placed on same position, and at the uniform velocity mobile decoding lenticular lenses, obtain the Dynamic Graph of moir patterns in the horizontal direction.
2. the preparation method for printing interleave and false proof dynamic moire line according to claim 1, it is characterised in that
Grating treatment specific method is described in step 4：Carry out rasterization process along t pixel of horizontal same direction moving grating piece (a-1)
Figure a, wherein a refer to a pictures in the n pictures of step 3 definition, and a is equal to 1,2 ..., n.
3. the preparation method for printing interleave and false proof dynamic moire line according to claim 1, it is characterised in that
The informal voucher line that t described in step 3 is equal to lenticular lenses is wide.
4. the preparation method for printing interleave and false proof dynamic moire line according to claim 1, it is characterised in that
A width of 2~50 pixels of black streaking described in step 2, a width of 1~10 pixel of informal voucher line.
5. the preparation method for printing interleave and false proof dynamic moire line according to claim 1, it is characterised in that
Described in step 3 equidistantly in spacing between 0.1cm~0.5cm.
6. the preparation method for printing interleave and false proof dynamic moire line according to claim 1, it is characterised in that
The resolution ratio of standby picture described in step 1 be 50ppi~3000ppi, graphic file size be 3cm × 3cm~25cm ×
25cm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710090269.7A CN106926599A (en) | 2017-02-20 | 2017-02-20 | A kind of preparation method for printing interleave and false proof dynamic moire line |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710090269.7A CN106926599A (en) | 2017-02-20 | 2017-02-20 | A kind of preparation method for printing interleave and false proof dynamic moire line |
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| CN106926599A true CN106926599A (en) | 2017-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710090269.7A Pending CN106926599A (en) | 2017-02-20 | 2017-02-20 | A kind of preparation method for printing interleave and false proof dynamic moire line |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111392236A (en) * | 2020-04-03 | 2020-07-10 | 桂柳春 | Concealed anti-counterfeiting film and preparation method thereof |
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|---|---|---|---|---|
| CA2399356A1 (en) * | 2001-09-07 | 2003-03-07 | Kba-Giori S.A. | Control element for printed articles |
| CN101863193A (en) * | 2010-03-16 | 2010-10-20 | 中国人民银行印制科学技术研究所 | Printed anti-counterfeiting pattern, method for manufacturing same and anti-counterfeiting product with same |
| CN102795008A (en) * | 2012-07-02 | 2012-11-28 | 湖北联合天诚防伪技术股份有限公司 | Dynamic Mohr encryption method of anti-counterfeiting image |
| CN104637025A (en) * | 2015-01-28 | 2015-05-20 | 陕西科技大学 | Butt joint forgery prevention method based on Moire pattern mechanism |
-
2017
- 2017-02-20 CN CN201710090269.7A patent/CN106926599A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2399356A1 (en) * | 2001-09-07 | 2003-03-07 | Kba-Giori S.A. | Control element for printed articles |
| CN101863193A (en) * | 2010-03-16 | 2010-10-20 | 中国人民银行印制科学技术研究所 | Printed anti-counterfeiting pattern, method for manufacturing same and anti-counterfeiting product with same |
| CN102795008A (en) * | 2012-07-02 | 2012-11-28 | 湖北联合天诚防伪技术股份有限公司 | Dynamic Mohr encryption method of anti-counterfeiting image |
| CN104637025A (en) * | 2015-01-28 | 2015-05-20 | 陕西科技大学 | Butt joint forgery prevention method based on Moire pattern mechanism |
Non-Patent Citations (1)
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| 苦海一人渡: ""[沙漪]光栅动画教程"", 《百度文库》 * |
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|---|---|---|---|---|
| CN111392236A (en) * | 2020-04-03 | 2020-07-10 | 桂柳春 | Concealed anti-counterfeiting film and preparation method thereof |
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Application publication date: 20170707 |