CN1315089C - Articles false proof multi-image hiding and fabricating method - Google Patents
Articles false proof multi-image hiding and fabricating method Download PDFInfo
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- CN1315089C CN1315089C CNB031177816A CN03117781A CN1315089C CN 1315089 C CN1315089 C CN 1315089C CN B031177816 A CNB031177816 A CN B031177816A CN 03117781 A CN03117781 A CN 03117781A CN 1315089 C CN1315089 C CN 1315089C
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Abstract
The present invention relates to an article false-proof multi-image hiding and fabricating method. A computer is used for processing digital figure information to be encrypted and hidden. The present invention is characterized in that after a plurality of groups of different characters or figures to be encrypted and hidden are sampled by grating images with different directions and consistent spatial frequency structures or by grating images with different directions and different spatial frequency structures, and the sampled images and the grating images with proper translation generated by corresponding grating stripes are superposed, combined and synthesized, a mesh point encrypting pattern is formed; the mesh point encrypting pattern is directly printed in the proper position of an article or a packing box (bag) by a conventional printing technique; complete information hidden in the encrypting pattern in advance is directly extracted by a grating decoding sheet matched with the encrypting pattern; consequently, the truth value of the article is identified. A false-proof mark fabricated by the method has the advantages of strong false-proof capability and low cost, and is especially suitable for the field of the false prevention and secret communication of various articles.
Description
One, technical field
The present invention relates to the optical anti-counterfeiting technology, particularly relate to a kind of article anti-counterfeit multiple image and hide method for making.
Two, background technology
As everyone knows, counterfeit and shoddy goods cause huge harm to society, and it not only makes, and regular commodity production producer suffers enormous economic loss, the consumer has dust thrown into the eyes, and have more seriously destroyed normal socialist market economy order.For this reason; businessman does not encroach on for the commodity of protecting oneself are not subjected to counterfeit and shoddy goods; government offices are not copied by the lawless person in order to protect such as currency, security, bill, credit card, passport, identity document etc., and above-mentioned article have all been taked various false proof modes and cryptographic means.
On existing anti-fake encrpted means, though the laser embossed holography method for making has high scientific and technological content, but because extensively popularizing of this technology and developing rapidly of laser hologram trade mark manufacturer, make this anti-counterfeiting mark be become very serious by imitated phenomenon, and general public also is difficult to the true and false of laser embossed holography anti-counterfeiting mark is made discriminating correctly, thereby has reduced its antiforge function.The anti-forgery ink technology also is a kind of technology of being extensive use of and promoting of having obtained, but because it is bought being easy on the market, its anti-counterfeiting performance is greatly limited.As a kind of emerging false proof means---electronic anti-fogery, because its higher use cost has also hindered it in false proof Application for Field or the like.
Image concealing is false proof to be current more advanced a kind of method for making, and it is the product that optical principle combines with computer image processing technology, its goods have anti-counterfeit capability strong, be suitable for that computing machine synthesizes and press is printed advantages such as production in batches.As number of patent application two patents of invention of 99120157.4 and 99100945.2.Application number is the mode that 99120157.4 patent of invention has adopted the grating demoder that implicit pattern is decoded and read, and the image that needs to hide be encrypted being hidden among another width of cloth key frame, and it also can only realize hiding of an assistant figure information.Application number is 99100945.2 patent of invention, the pattern that forms behind its enciphering hiding visually still has the branch of master image and sub-picture, the maximum feature of its image encryption principle is that the character (as shape, orientation, frequency etc.) by the pixel of adjusting digital picture realizes that sub-picture is hidden among the master image, and there is the more loaded down with trivial details defective of manufacturing process in this method.
Three, summary of the invention
For this reason, purpose of the present invention is just for overcoming the existing defective of hidden figure information in the above prior art, and provide a kind of article anti-counterfeit multiple image to hide method for making, this method can be hidden different literal or the graphical informations of many groups simultaneously in a width of cloth site encrypted patterns, the site encrypted patterns of making can be used for article such as commodity, certificate, security, currency, credit card are carried out the effectively false proof and security information communications field.The present invention has overcome prior art can only hide single figure or the loaded down with trivial details defective of manufacturing process, and have antiforge function stronger, use more convenient, with low cost and characteristics such as manufacturing process is simple and easy.
For achieving the above object, the present invention adopts following technical proposals to realize: adopt computing machine that digitizing hidden figure information to be encrypted is handled, feature of the present invention is need to determine encrypted hiding digitizing figure information to be many group different literals or figure earlier, to need many groups different literals of enciphering hiding or figure respectively but after the sampling of the raster image of spatial frequency structure unanimity then through different directions, maybe will need many groups different literals of enciphering hiding or figure respectively after the also different raster image sampling of different directions and spatial frequency structure, the image that sampling is obtained is respectively with accordingly again, the raster image that grating fringe has produced suitable translation carries out overlapping, combination, synthetic back forms a width of cloth site encrypted patterns;
(1) sampling: need to be about to many groups different literals of enciphering hiding or figure respectively through different directions but the sampling of the raster image of spatial frequency structure unanimity, maybe will need the many groups different literals or the figure of enciphering hiding to sample through different directions and the also different raster image of spatial frequency structure respectively, obtain literal or figure after the grating sampling respectively;
(2) overlapping: as to be about to literal or the figure raster image that respectively with corresponding, grating fringe produced suitable translation of many groups after the grating sampling and to carry out overlappingly, obtain the patterns that the overlapping back of many groups forms respectively;
(3) combination: the many picture groups case that soon obtains through overlapping processing respectively makes up in twos, forms the many networkings dot pattern that comprises two groups of literal or figure respectively;
(4) synthetic: all stipple patterns that soon obtain through combined treatment synthesize, and finally form a width of cloth site encrypted patterns, just are concealed with many group different literals or graphical information in this site encrypted patterns simultaneously.
Article anti-counterfeit multiple image of the present invention is hidden method for making, the described dutycycle that is used for raster image that literal or figure are sampled, the i.e. ratio of opaque section and transparent part in grating cycle, can get the different numerical value between 1: 1 to 1: 5, its best value is 1: 2, this ratio is more little, and literal of being hidden in a width of cloth site encrypted patterns of onesize breadth or graphical set number are just many more.
The present invention adopts conventional printing technology the site encrypted patterns directly to be printed on the appropriate location or article packing of article, as anti-counterfeiting mark, and separate chip with the grating that is complementary with it with article are attached, separate chip by the grating that is complementary and directly extract the full detail of in this site encrypted patterns, being hidden in advance, then can check out the true and false of article, article be carried out false proof purpose thereby reach.
The course of work of the present invention is to produce hiding many groups literal to be encrypted or figure with computing machine earlier, or hiding many groups literal to be encrypted or figure imported computing machine by scanning device, obtain digitized hiding literal to be encrypted or figure, then digitized hiding literal to be encrypted or figure are carried out Computer Image Processing, promptly through foregoing sampling, overlapping, combination, synthetic, last image output has then obtained the site encrypted patterns.Technical scheme of the present invention has realized many groups literal or figure, and enciphering hiding is in a width of cloth site encrypted patterns simultaneously, and overall process realizes having advantages such as the Information hiding amount is big, automaticity is high, with low cost by computer program control.
Four, description of drawings
Fig. 1 hides the process blocks synoptic diagram of method for making for article anti-counterfeit multiple image of the present invention.
A, B, C, D, E, F are 6 groups of literal will hiding in a width of cloth site encrypted patterns of the present invention and pictorial diagram among Fig. 2.
Fig. 3 is a digitizing raster image synoptic diagram of the present invention.
G, H, I, J, K, L are that digitizing raster image of the present invention is to 6 groups of digitizing literal will hiding and the pattern synoptic diagram that figure is sampled respectively and overlapping back forms among Fig. 4.
M, N, O are the pattern that is formed by overlapping back of the present invention formed stipple pattern synoptic diagram after making up in twos respectively again among Fig. 5.
Fig. 6 is the site encrypted patterns synoptic diagram that many networkings dot pattern of the present invention forms after synthesizing.
Fig. 7 separates the decode procedure synoptic diagram of chip through grating for site of the present invention encrypted patterns.
P, Q, R, S, U, V are 6 groups of literal and the pictorial diagram that site of the present invention encrypted patterns obtains after decoding among Fig. 8.
Five, embodiment
The present invention is further illustrated by embodiment below in conjunction with accompanying drawing.
Its implementation process of method for making that article anti-counterfeit multiple image of the present invention is hidden is:
As shown in Figure 1, input literal or figure to be hidden at first after over-sampling, overlapping, combination, synthetic and image output, obtains the site encrypted patterns that the article anti-counterfeit multiple image is hidden method for making.
(1) sampling: after the machine Flame Image Process becomes digitized image as calculated with graphical information with 6 groups of hiding literal to be encrypted among the A among Fig. 2, B, C, D, E, the F, to the A among Fig. 2, B, C, D is that 1: 2, spatial frequency are first kind of numerical value with dutycycle all respectively, but the digitizing raster image shown in Figure 3 of different orientation is sampled; To the E among Fig. 2, F is 1: 2 but spatial frequency is second kind of numerical value with dutycycle all respectively also, and the digitizing raster image with different orientation is sampled.
(2) overlapping: the A among Fig. 2, B, C, D have produced suitable translation with corresponding, grating fringe respectively after sampling digitizing raster image carries out overlapping, obtains the sample pattern shown in G among Fig. 4, H, I, the J respectively; E among Fig. 2, F have produced suitable translation with corresponding, grating fringe respectively after sampling digitizing raster image carries out overlapping, and obtains the sample pattern shown in K among Fig. 4, the L respectively.Here " translation " is meant by self-compiling program to be carried out a left side or the right side to digitizing raster image integral body or goes up or suitably moving down, " overlapping " be meant the image that sampling obtained by self-compiling program with accordingly, the grating fringe digitizing raster image that produced suitable translation carries out the sum operation of array.
(3) combination: G, the H among the Fig. 4 that will obtain after overlapping processing, I, J, K, L make up in twos respectively and obtain 3 networking dot patterns, as obtaining the M among Fig. 5 after G, the H combination; Obtain the N among Fig. 5 after I, the J combination; Obtain the O among Fig. 5 after K, the L combination.Here " combination " is meant the multiplication of phase in twos that G, H, I, J, K, L is carried out array by above-mentioned correspondence by self-compiling program.
(4) synthetic: the 3 networking dot patterns that combined treatment is obtained synthesize processing respectively, as the M among Fig. 5, N, O are synthesized processing, obtain the site of the present invention encrypted patterns shown in Fig. 6.Here be meant the sum operation of M, N, O being carried out array by self-compiling program " synthesizing ".
(5) adopt conventional printing technology that the site encrypted patterns directly is printed on the appropriate location or article packing case (bag) of article, as anti-counterfeiting mark again.
(6) last, separate chip by the grating that is complementary with the site encrypted patterns and can directly extract the full detail of in this site encrypted patterns, being hidden in advance, thereby reach article are carried out false proof purpose.
All extract in order to realize being hidden in all literal or the graphical information hidden in the width of cloth site encrypted patterns, can operate as follows:
1. separate chip according to the corresponding black-white grating of digitizing raster image data creating in the sampling process, black part is opaque, white partially transparent, and this grating is separated chip adhere on the surface of site of the present invention encrypted patterns, rotate this grating gently along clockwise or counter-clockwise direction simultaneously and separate chip, just can from this site encrypted patterns, extract the information of being hidden successively.
2. separate chip according to the digitizing raster image data creating plastics cylindrical lens phase grating in the sampling process, this grating is separated chip to adhere on the surface of site of the present invention encrypted patterns, utilize plastics cylindrical lens phase grating to separate chip formed focal line array under illumination, and rotate this phase grating gently along clockwise or counter-clockwise direction simultaneously and separate chip, also can from this site encrypted patterns, extract the information of being hidden successively.
Fig. 7 has shown this decode procedure of site encrypted patterns, and the P among Fig. 8, Q, R, S, U, V are prior literal of hiding and the graphical informations that extracts from site encrypted patterns 6.Wherein the P among Fig. 8, Q, R, S separate the chip decoding by the grating of making according to first kind of spatial frequency numerical value, U among Fig. 8, V separate the chip decoding by the grating of making according to second kind of spatial frequency numerical value, and it has shown enciphering hiding when the present invention can be used for different literals, different fonts, numeral and figure.
Though, the present invention is that the embodiment that 1: 2 digitizing grating pair image is sampled is described with regard to dutycycle only, but through studying repeatedly and experimental results show that, the dutycycle of digitizing grating is near 1: 2, when being 1: 1.33 or 1: 1.67 or 1: 2.5 etc. as dutycycle very good effect is arranged all, therefore content of the present invention is not limited only to content related among the embodiment.
The site encrypted patterns that adopts the present invention to make has following advantage:
1. at the long-pending 4 * 1.5cm that is about of a breadth
2The site encrypted patterns in can hide nearly ten groups of above different literals or graphical informations simultaneously, and they are still clear and legible after decoded respectively.And, can hide more groups literal or graphical information therein along with the increase of this site encrypted patterns breadth area.
2. the present invention's digitizing raster image of allowing to adopt different space frequency carries out enciphering hiding respectively on the same group literal or graphical information not, when being concealed with in a width of cloth site encrypted patterns need adopt the grating of high spatial frequency structure to separate literal that chip could decode or graphical information very much the time, itself can also prevent from this site encrypted patterns to be replicated effectively.And, if wherein arbitrarily the grating of spatial frequency structure is separated chip and its pairing information is only grasped by the supvr, do not announce externally that the fake producer just is difficult to the information of being hidden in this site encrypted patterns is all decoded and faked so, this helps the supvr market is managed.
3. the site encrypted patterns of making according to the present invention not only can be used for the false proof of article etc., also can be used for the security information communications field.
Therefore, adopt site encrypted patterns that the present invention makes will have bright development prospect in the false proof and security information of article such as commodity and perfect instrument field such as communicate by letter.
Claims (1)
1. an article anti-counterfeit multiple image is hidden method for making, adopt computing machine that digitizing hidden figure information to be encrypted is handled, it is characterized in that, need determining encrypted hiding digitizing figure information earlier is different literal or the figures of many groups, to need many groups of different literal of enciphering hiding or figure respectively but after the sampling of the raster image of spatial frequency structure unanimity then through different directions, maybe will need many groups of different literal of enciphering hiding or figure respectively after the also different raster image sampling of different directions and spatial frequency structure, the image that sampling is obtained is respectively with accordingly again, the raster image that grating fringe has produced suitable translation carries out overlapping, combination, synthetic back forms a width of cloth site encrypted patterns; Concrete steps are:
(1) sampling: will need many groups of different literal of enciphering hiding or figure respectively through different directions but the sampling of the raster image of spatial frequency structure unanimity, maybe will need many groups of different literal of enciphering hiding or figure respectively through different directions and the also different raster image sampling of spatial frequency structure, obtain literal or figure after the grating sampling respectively, the dutycycle of described raster image is 1: 2, and dutycycle is the ratio of interior opaque section of a grating cycle and transparent part;
(2) overlapping: as will to organize raster image that literal after grating sampling or figure produced suitable translation with corresponding, grating fringe respectively more and carry out overlappingly, and obtain the patterns that the overlapping back of many groups forms respectively;
(3) combination: many picture groups case that will obtain through overlapping processing respectively makes up in twos, forms the many networkings dot pattern that comprises two groups of literal or figure respectively;
(4) synthetic: as will to synthesize through all stipple patterns that combined treatment obtains, finally form a width of cloth site encrypted patterns, just be concealed with different literal or the graphical informations of many groups in this site encrypted patterns simultaneously.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB031177816A CN1315089C (en) | 2003-04-30 | 2003-04-30 | Articles false proof multi-image hiding and fabricating method |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB031177816A CN1315089C (en) | 2003-04-30 | 2003-04-30 | Articles false proof multi-image hiding and fabricating method |
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| CN1542672A CN1542672A (en) | 2004-11-03 |
| CN1315089C true CN1315089C (en) | 2007-05-09 |
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| CNB031177816A Expired - Fee Related CN1315089C (en) | 2003-04-30 | 2003-04-30 | Articles false proof multi-image hiding and fabricating method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009143731A1 (en) * | 2008-05-27 | 2009-12-03 | 北京华旗资讯数码科技有限公司 | An anti-forgery system and its method for identifying the truth of an object by verifying a micro-code and a verification code |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100363946C (en) * | 2005-12-14 | 2008-01-23 | 北京北大方正电子有限公司 | Safety file printing method suitable for multi printing devices |
| CN100405422C (en) * | 2005-12-31 | 2008-07-23 | 华工科技产业股份有限公司 | Double-card antifake sign and producing method thereof |
| DE102008013509A1 (en) * | 2007-03-30 | 2008-10-02 | Heidelberger Druckmaschinen Ag | Method for producing a steganographic image on a printing substrate |
| CN102457652A (en) * | 2010-10-18 | 2012-05-16 | 江西金格网络科技有限责任公司 | Anti-counterfeit detection method and anti-counterfeit overhaul system for document |
| CN102205753B (en) * | 2011-01-31 | 2012-10-03 | 传虹科技(天津)有限公司 | Method for manufacturing implicit image for anti-counterfeit printing |
| CN102795008B (en) * | 2012-07-02 | 2015-02-04 | 湖北联合天诚防伪技术股份有限公司 | Dynamic Mohr encryption method of anti-counterfeiting image |
| CN103692796B (en) * | 2013-12-13 | 2015-07-15 | 上海绿新包装材料科技股份有限公司 | Laser die pressing method for loading digital anti-counterfeiting information |
| CN106218254B (en) * | 2016-07-26 | 2018-10-19 | 汇源印刷包装科技（天津）股份有限公司 | A kind of method that printed matter glazing is anti-fake |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1256467A (en) * | 1999-09-06 | 2000-06-14 | 广州市宝真科技开发有限公司 | Image concealing technology and product |
| CN1258603A (en) * | 1998-12-30 | 2000-07-05 | 刘超 | Planar making technology of digital four-dimensional variable graphics and its application |
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2003
- 2003-04-30 CN CNB031177816A patent/CN1315089C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1258603A (en) * | 1998-12-30 | 2000-07-05 | 刘超 | Planar making technology of digital four-dimensional variable graphics and its application |
| CN1256467A (en) * | 1999-09-06 | 2000-06-14 | 广州市宝真科技开发有限公司 | Image concealing technology and product |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009143731A1 (en) * | 2008-05-27 | 2009-12-03 | 北京华旗资讯数码科技有限公司 | An anti-forgery system and its method for identifying the truth of an object by verifying a micro-code and a verification code |
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| CN1542672A (en) | 2004-11-03 |
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