CN104268613A - Image and text information hiding and reappearing structure and method based on color balance - Google Patents
Image and text information hiding and reappearing structure and method based on color balance Download PDFInfo
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- CN104268613A CN104268613A CN201410522564.1A CN201410522564A CN104268613A CN 104268613 A CN104268613 A CN 104268613A CN 201410522564 A CN201410522564 A CN 201410522564A CN 104268613 A CN104268613 A CN 104268613A
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Abstract
The invention relates to the pattern making anti-counterfeit technical field, in particular to an image and text information hiding and reappearing structure and method based on color balance. The structure comprises a composite hue layer A and a composite hue layer B, wherein the composite hue layer A and the composite hue layer B are similar hues each of which is formed by combination of at least two tones, the composite hue layer A is filled with tiny geometric pattern layers, the composite hue layer B is filled with pattern layers opposite to the tiny geometric pattern layers, image and text information hiding and reappearing are achieved through the tiny geometric pattern layers and the pattern layers opposite to the tiny geometric pattern layers, and the composite hue layer A and the composite hue layer B are integrated in an embedded mode. Compared with the prior art, the structure and method have the advantages that color information and shape information are integrated through stacking of colors and embedding of shapes instead of being shown directly so that replication with high-precision scanning equipment can be eradiated basically, anti-counterfeit products are harder to copy or recover, and reappearing can also be achieved with special tools to identify the authenticity.
Description
[technical field]
The present invention relates to plate-making field of anti-counterfeit technology, specifically a kind of graph text information based on color balance structure of hiding and reappearing and method thereof.
[background technology]
At present, be applied to plate-making counterfeit protection measures that graph text information hides be mostly the displacement of Shape-based interpolation, fluctuating, size, thickness, with or without etc. means realize, but along with the improving constantly of universal, all kinds of copying equipment scanning accuracy of the clone methods such as electron scanning, change based on small structure or minute shapes the plate-making method for anti-counterfeit hidden Info and be more and more easy to be replicated reduction, really cannot play effect that is false proof and anti-counterfeiting detection.So, to be badly in need of now a kind of can not cannot being obtained the Hiding Mechanism of correct shape information by the correct color separation of scanning device and realize structure.
The plate-making counterfeit protection measures that existing graph text information is hidden mainly contains: (1) number of patent application is 201210216865.2, and patent name is the very color concealed-enciphering technology of one and goods; (2) number of patent application is 201210141668.9, and patent name is bidirectional variable unlocking anti-counterfeit method; (3) number of patent application is 200910100882.8, and patent name is latent image unlocking anti-counterfeit bill and unlocking apparatus, etc.But it all has the following disadvantages: be all that the color being used for reducing or shape information are directly presented, the visual threshold that human eye is not hidden, utilized to information itself available information granular is made to a certain extent visual inspection less than but can display on scanning device.Therefore, make CF information one integrated mass if can realize by the mutual superimposition shape of color embedding mutually, directly do not present, will have very important significance.
[summary of the invention]
Object of the present invention is exactly will solve above-mentioned deficiency and the structure providing a kind of graph text information based on color balance to hide and reappear and method thereof, what achieve by the mutual superimposition shape of color is embedding mutually to make CF information one integrated mass, directly not present, thus copying of can substantially stopping to use high precision scanning device to carry out, anti-counterfeiting product is more difficultly imitated, is more difficultly reduced, and reappear to identify its true and false by particular tool.
Design the structure that a kind of graph text information based on color balance is hidden and reappeared for achieving the above object, comprise compound form and aspect A layer and compound form and aspect B layer, described compound form and aspect A layer and compound form and aspect B layer are the approximate form and aspect adopting at least two kinds of colour combinations matches, tiny geometric graph pattern layer 4 is filled with in described compound form and aspect A layer, the opposite pattern layer 5 of tiny geometric graph pattern layer is filled with in described compound form and aspect B layer, hiding and reappearing of described graph text information is made up of with the opposite pattern layer 5 of tiny geometric graph pattern layer tiny geometric graph pattern layer 4, described compound form and aspect A layer and compound form and aspect B layer are embedded as a whole formula structure.
Described compound form and aspect A layer is the compact shape combination 1 of colour composition A, described compound form and aspect B layer is the compact shape difference 2 of colour composition B, the compact shape combination 1 of described colour composition A is formed in certain colour ratio stack combinations by least two kinds of colours, and the compact shape difference 2 of described colour composition B is formed in certain colour ratio stack combinations by least two kinds of colours.
Hiding and reappearing of described graph text information is made up of tiny geometric scheme array, it is contrary that the compact shape that array pattern and the colour of the compact shape difference 2 of described colour composition B form A combines 1 scope, and described colour forms compact shape that the array pattern of the compact shape difference 2 of B and colour form A and combines 1 for differential section and arrange.
The method that graph text information based on color balance is hidden and reappeared, comprises the following steps:
1) the compact shape combination of colour composition A: the setting first carrying out bitmap file according to the form and aspect designed in advance, must be the compound form and aspect of at least two kinds of colours, then in bitmap file, set content, the size and location of graph text information, finally in the scope of graph text information, fill fine pattern preset in advance, fill the opposite pattern of fine pattern preset in advance in the scope of graph text information outward;
2) the compact shape difference of colour composition B: according to step 1) colour that sets composition A calculates the colour composition B matched, and make difference in the fine pattern that the scope external application of graph text information is preset and fill;
3), after the compact shape combination of the colour composition A of filling pattern and the compact shape difference of colour composition B are inlayed by two, the master copy file of the graph text information utilizing colour combination and fine pattern mechanism to hide namely is obtained;
4) by colour filter or folded look mode, form and aspect are changed, and with this manifest wherein information or carry out encoding with this information shown, modulate, amplify, deformation process, to obtain the testing mechanism hiding wherein content.
The compact shape combination 1 of described colour composition A is the compound form and aspect A of certain colour ratio stack combinations, the shape that described compound form and aspect A embodies is one group of tiny geometric scheme that can reach visual consistency, the negative and positive that the tiny geometric scheme of this group is divided into dutycycle equal two kinds, described graph text information is arranged by the tiny geometric scheme dot matrix way of this group and forms.
The compact shape difference 2 of described colour composition B is the compound form and aspect B of certain colour ratio stack combinations, described compound form and aspect B and the colour of compound form and aspect A combine different but form and aspect perception experiences identical, the shape that described compound form and aspect B embodies is one group of tiny geometric scheme that can reach visual consistency, the compact shape that the array pattern of the compact shape difference 2 of described colour composition B and colour form A combine 1 scope contrary, arrange for differential section.
The colour filter thing 3 of mirror rod structure is had to realize when detecting the original copy true and false by a kind of, during detection, first by the colored transparent material of colour filter thing, colour filter process is carried out to original copy, certain colour in two kinds of different colour compositions in original copy is superposed, thus change and formerly do color, destroy the consistance in original form and aspect, have with what obtain manifesting the fine pattern array hidden Info, then by the mirror rod structure on colour filter thing, fine pattern array is shown as the observable graph text information of naked eyes.
Described graph text information comprises picture and text, numeral, symbol, code, signal and regional extent.
Compared with the existing technology, tool has the following advantages in the present invention:
(1) by the approximate form and aspect that two or more colour combinations matches become, make naked eyes, display screen, filming apparatus and photosensitive material, copier, scanning device etc. be beyond recognition its form and aspect difference or correct color separation, and the polychrome value using it for the information such as concealed video text, numeral, symbol, code, signal, regional extent is formed and layout;
(2) by modes such as colour filter, folded looks, form and aspect are changed, and manifest wherein information with this or carry out encoding with this information shown, modulate, amplify, testing mechanism that the process such as distortion obtains hiding wherein content;
(3) have the Information hiding structure of color and shape dual nature, that can substantially stop to use high precision scanning device to carry out copies, and anti-counterfeiting product is more difficultly imitated, is more difficultly reduced and reappears to identify its true and false by particular tool;
[accompanying drawing explanation]
Fig. 1 is deployed configuration schematic diagram of the present invention;
Fig. 2 be graph text information of the present invention hide realize schematic diagram;
Fig. 3 is that graph text information of the present invention reproduction realizes schematic diagram;
In figure: 1, colour composition A compact shape combination 2, colour composition B compact shape difference 3, have the colour filter thing 4 of mirror rod structure, tiny geometric graph pattern layer 5, opposite pattern layer.
[embodiment]
Below in conjunction with accompanying drawing, following further illustrating is done to the present invention:
As shown in drawings, the present invention includes: compound form and aspect A layer and compound form and aspect B layer, compound form and aspect A layer and compound form and aspect B layer are the approximate form and aspect adopting at least two kinds of colour combinations matches, tiny geometric graph pattern layer 4 is filled with in compound form and aspect A layer, the opposite pattern layer 5 of tiny geometric graph pattern layer is filled with in compound form and aspect B layer, hiding and reappearing of graph text information is made up of the opposite pattern layer 5 of tiny geometric graph pattern layer 4 with tiny geometric graph pattern layer, and compound form and aspect A layer and compound form and aspect B layer are embedded as a whole formula structure.Wherein, compound form and aspect A layer is the compact shape combination 1 of colour composition A, compound form and aspect B layer is the compact shape difference 2 of colour composition B, the compact shape combination 1 of colour composition A is formed in certain colour ratio stack combinations by least two kinds of colours, and the compact shape difference 2 of colour composition B is formed in certain colour ratio stack combinations by least two kinds of colours.Hiding and reappearing of graph text information is made up of tiny geometric scheme array, it is contrary that the compact shape that array pattern and the colour of the compact shape difference 2 of colour composition B form A combines 1 scope, and colour forms compact shape that the array pattern of the compact shape difference 2 of B and colour form A and combines 1 for differential section and arrange.
The method that graph text information based on color balance is hidden and reappeared, comprises the following steps:
1) the compact shape combination of colour composition A: the setting first carrying out bitmap file according to the form and aspect designed in advance, must be the compound form and aspect of at least two kinds of colours, then in bitmap file, set content, the size and location of graph text information, finally in the scope of graph text information, fill fine pattern preset in advance, fill the opposite pattern of fine pattern preset in advance in the scope of graph text information outward;
2) the compact shape difference of colour composition B: according to step 1) colour that sets composition A calculates the colour composition B matched, and make difference in the fine pattern that the scope external application of graph text information is preset and fill;
3), after the compact shape combination of the colour composition A of filling pattern and the compact shape difference of colour composition B are inlayed by two, the master copy file of the graph text information utilizing colour combination and fine pattern mechanism to hide namely is obtained;
4) by colour filter or folded look mode, form and aspect are changed, and with this manifest wherein information or carry out encoding with this information shown, modulate, amplify, deformation process, to obtain the testing mechanism hiding wherein content.
Wherein, the compact shape combination 1 of colour composition A is the compound form and aspect A of certain colour ratio stack combinations, the shape that compound form and aspect A embodies is one group of tiny geometric scheme that can reach visual consistency, the tiny geometric scheme of this group is divided into negative and positive two kinds, and its dutycycle is equal thus realize visual consistance.And need the graph text information content hidden or reproduce to form by the tiny geometric scheme dot matrix way arrangement of this group.The compact shape difference 2 of colour composition B is the compound form and aspect B of certain colour ratio stack combinations, compound form and aspect B and the colour of compound form and aspect A combine different but form and aspect perception experiences identical, the shape that compound form and aspect B embodies is one group of tiny geometric scheme that can reach visual consistency, the compact shape that the array pattern of compact shape difference 2 of colour composition B and colour form A combine 1 scope contrary, arrange for differential section.The colour filter thing 3 of mirror rod structure is had to realize when detecting the original copy true and false by a kind of, during detection, first by the colored transparent material of colour filter thing, colour filter process is carried out to original copy, certain colour in two kinds of different colour compositions in original copy is superposed, thus change and formerly do color, destroy the consistance in original form and aspect, have with what obtain manifesting the fine pattern array hidden Info, by the mirror rod structure on colour filter thing, fine pattern array is shown as the observable graph text information of naked eyes again, this graph text information comprises picture and text, numeral, symbol, code, signal and regional extent.
The present invention be a kind of not only utilized different colour form consistance on human eye sense organ simultaneously but also the pattern applied of these the two kinds of characteristics of the indifference utilizing different compact shape to be combined on human eye vision and Word message hide (i.e. naked eyes cannot identification) and observe a kind of method of the hiding content of institute and colour distribution and geometric layout by particular tool, it is reached layout and forms by colour the compact shape difference 2 that the compact shape combination 1 of A and colour form B and inlayed.
Particular topology due to above-mentioned Stealth Modus: though their colour composition different form and aspect perception of form and aspect A and form and aspect B is identical, the color of these two kinds of different colours is generated close even identical colour when scanning device copies by after together color separation again, color separation, so that the content that hides Info all being not enough to distinguish that wherein tiny geometric scheme array forms.Just because of scanning device correctly cannot reduce original copy colour and also just correctly cannot present the tiny geometric scheme hidden in original copy so finally also cannot obtain the hiding information content wherein thus reach the object of anti-scanning simultaneously.
As shown in Figure 2,1. the compact shape combination of colour composition A: first carry out the setting of bitmap file according to the form and aspect designed in advance but be necessary for the tertiary colour of polychrome value, for ADOBE PHOTOSHOP software, blank document, the color model of a first newly-built suitable size are set to CMYK; Then in bitmap file, set content, the size and location of graph text information, such as black matrix 24 pounds of words are placed between two parties; Finally in the scope of graph text information, fill fine pattern preset in advance, opposite pattern that the scope of graph text information fills fine pattern preset in advance outward; Namely in ADOBE PHOTOSHOP software, be set to self-defined pattern, pattern content be in Fig. 1 colour composition A compact shape combination 1, opposite pattern be in Fig. 1 colour composition B compact shape difference 2.2. the compact shape difference of colour composition B: calculate the colour composition B matched according to the colour composition A set before, and do difference filling in the fine pattern that the scope external application of graph text information is preset, namely in ADOBE PHOTOSHOP software, the pattern of definition before inserting in the regional extent of black matrix 24 pounds of words (is pressed CTRL key and clicked word content in Layer panel to choose this literal scope with cursor simultaneously, and click in edit menu and fill submenu, pattern is selected in drop-down menu in the content of filling dialog box, defined pattern is selected again in the drop-down menu of self-defined pattern, again press CTRL key after filling and click word content in Layer panel with cursor simultaneously, select after press CTRL+SHIFT+I Macintosh and become Negative selection scope, click again in edit menu to fill in submenu, drop-down menu in the content of filling dialog box and select pattern, in the drop-down menu of self-defined pattern, select defined pattern to fill).The layer of above two filling patterns is merged and to obtain after (namely inlaying) utilizing colour to combine and the master copy file of graph text information that fine pattern mechanism is hiding.
The present invention, by the restriction of above-mentioned embodiment, change, the modification done, substitutes, combines, simplifies under other any does not deviate from Spirit Essence of the present invention and principle, all should be equivalent substitute mode, is included within protection scope of the present invention.
Claims (8)
1. the graph text information based on the color balance structure hiding and reappear, it is characterized in that: comprise compound form and aspect A layer and compound form and aspect B layer, described compound form and aspect A layer and compound form and aspect B layer are the approximate form and aspect adopting at least two kinds of colour combinations matches, tiny geometric graph pattern layer (4) is filled with in described compound form and aspect A layer, the opposite pattern layer (5) of tiny geometric graph pattern layer is filled with in described compound form and aspect B layer, hiding and reappearing of described graph text information is made up of the opposite pattern layer (5) of tiny geometric graph pattern layer (4) with tiny geometric graph pattern layer, described compound form and aspect A layer and compound form and aspect B layer are embedded as a whole formula structure.
2. structure as claimed in claim 1, it is characterized in that: described compound form and aspect A layer is compact shape combination (1) of colour composition A, described compound form and aspect B layer is the compact shape difference (2) of colour composition B, compact shape combination (1) of described colour composition A is formed in certain colour ratio stack combinations by least two kinds of colours, and the compact shape difference (2) of described colour composition B is formed in certain colour ratio stack combinations by least two kinds of colours.
3. structure as claimed in claim 1 or 2, it is characterized in that: hiding and reappearing of described graph text information is made up of tiny geometric scheme array, it is contrary that the compact shape that array pattern and the colour of the compact shape difference (2) of described colour composition B form A combines (1) scope, and described colour forms compact shape that the array pattern of the compact shape difference (2) of B and colour form A and combines (1) for differential section and arrange.
4., based on the method that the graph text information of color balance is hidden and reappeared, it is characterized in that, comprise the following steps,
1) the compact shape combination of colour composition A: the setting first carrying out bitmap file according to the form and aspect designed in advance, must be the compound form and aspect of at least two kinds of colours, then in bitmap file, set content, the size and location of graph text information, finally in the scope of graph text information, fill fine pattern preset in advance, fill the opposite pattern of fine pattern preset in advance in the scope of graph text information outward;
2) the compact shape difference of colour composition B: according to step 1) colour that sets composition A calculates the colour composition B matched, and make difference in the fine pattern that the scope external application of graph text information is preset and fill;
3), after compact shape combination (1) of the colour composition A of filling pattern and the compact shape difference (2) of colour composition B are inlayed by two, the master copy file of the graph text information utilizing colour combination and fine pattern mechanism to hide namely is obtained;
4) by colour filter or folded look mode, form and aspect are changed, and with this manifest wherein information or carry out encoding with this information shown, modulate, amplify, deformation process, to obtain the testing mechanism hiding wherein content.
5. method as claimed in claim 4, it is characterized in that: the compact shape of described colour composition A combines the compound form and aspect A that (1) is certain colour ratio stack combinations, the shape that described compound form and aspect A embodies is one group of tiny geometric scheme that can reach visual consistency, the negative and positive that the tiny geometric scheme of this group is divided into dutycycle equal two kinds, described graph text information is arranged by the tiny geometric scheme dot matrix way of this group and forms.
6. method as claimed in claim 4, it is characterized in that: the compound form and aspect B that the compact shape difference (2) of described colour composition B is certain colour ratio stack combinations, described compound form and aspect B and the colour of compound form and aspect A combine different but form and aspect perception experiences identical, the shape that described compound form and aspect B embodies is one group of tiny geometric scheme that can reach visual consistency, the compact shape that the array pattern of the compact shape difference (2) of described colour composition B and colour form A combine (1) scope contrary, arrange for differential section.
7. method as claimed in claim 4, it is characterized in that: have the colour filter thing (3) of mirror rod structure to realize when detecting the original copy true and false by a kind of, during detection, first by the colored transparent material of colour filter thing, colour filter process is carried out to original copy, certain colour in two kinds of different colour compositions in original copy is superposed, thus change and formerly do color, destroy the consistance in original form and aspect, have with what obtain manifesting the fine pattern array hidden Info, then by the mirror rod structure on colour filter thing, fine pattern array is shown as the observable graph text information of naked eyes.
8. method as claimed in claim 4, is characterized in that: described graph text information comprises picture and text, numeral, symbol, code, signal and regional extent.
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| CN201410522564.1A CN104268613A (en) | 2014-09-30 | 2014-09-30 | Image and text information hiding and reappearing structure and method based on color balance |
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| CN1726507A (en) * | 2002-12-16 | 2006-01-25 | 皇家飞利浦电子股份有限公司 | Authentication system with visual encryption using polarisation of light |
| CN101770589A (en) * | 2009-12-31 | 2010-07-07 | 华中科技大学 | Method for carrying out image-text hiding according to encrypted and converted phase position |
| CN103782306A (en) * | 2011-03-01 | 2014-05-07 | 图形安全系统公司 | A method for encoding and simultaneously decoding images having multiple color components |
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2014
- 2014-09-30 CN CN201410522564.1A patent/CN104268613A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5686718A (en) * | 1995-03-15 | 1997-11-11 | Sharp Kabushiki Kaisha | Recording method, decoding method, and decoding apparatus for digital information |
| JPH11353436A (en) * | 1998-06-04 | 1999-12-24 | Toyota Central Res & Dev Lab Inc | Emblem code and its coding method |
| CN1726507A (en) * | 2002-12-16 | 2006-01-25 | 皇家飞利浦电子股份有限公司 | Authentication system with visual encryption using polarisation of light |
| CN101770589A (en) * | 2009-12-31 | 2010-07-07 | 华中科技大学 | Method for carrying out image-text hiding according to encrypted and converted phase position |
| CN103782306A (en) * | 2011-03-01 | 2014-05-07 | 图形安全系统公司 | A method for encoding and simultaneously decoding images having multiple color components |
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Application publication date: 20150107 |