CN112749773A - Anti-counterfeiting random marker anti-counterfeiting method - Google Patents
Anti-counterfeiting random marker anti-counterfeiting method Download PDFInfo
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Abstract
The invention discloses an anti-counterfeiting method of an anti-counterfeiting random marker, which comprises the anti-counterfeiting random marker used for inquiry and identification, wherein the anti-counterfeiting random marker comprises a printing stock, a substrate layer covered on the printing stock, a color permeable layer covered on the substrate layer and a texture layer positioned on the color permeable layer; the color-permeable layer is used for mutually repelling the UV ink of the texture layer to enable the UV ink of the texture layer to form random texture bulges and texture gaps between the texture bulges on the color-permeable layer, and the color-permeable layer also enables the color of the substrate layer to be permeable and is used for forming color difference with the texture layer; an identification code area layer is covered in a local area of the anti-counterfeiting random marker or on a printing stock, and an identification code displayed on the identification code area layer is a two-dimensional code; and carrying out anti-counterfeiting identification by a mobile terminal identification method or a visual method.
Description
Technical Field
The invention relates to an anti-counterfeiting method of an anti-counterfeiting random marker.
Background
At present, along with the upgrading iteration of the anti-counterfeit label technology, the anti-counterfeit label suitable for various scenes and applications also appears, however, no matter the combination of the chip and the anti-counterfeit technology is utilized, or the combination of the characteristics of using particulate matters and the like is used, the manufacturing cost is high, and therefore, an anti-counterfeit method which can meet the requirements of low cost and is accurate and simple is urgently needed in the market.
Disclosure of Invention
The invention aims to overcome the defects and provide a quick, safe, accurate and low-cost anti-counterfeiting method for the anti-counterfeiting random marker.
In order to achieve the purpose, the invention adopts the following specific scheme: an anti-counterfeiting method of an anti-counterfeiting random marker comprises the anti-counterfeiting random marker used for inquiry and identification, wherein the anti-counterfeiting random marker comprises a printing stock, a substrate layer covered on the printing stock, a color permeable layer covered on the substrate layer and a texture layer positioned on the color permeable layer; the color-permeable layer is used for mutually repelling the UV ink of the texture layer to enable the UV ink of the texture layer to form random texture bulges and texture gaps between the texture bulges on the color-permeable layer, and the color-permeable layer also enables the color of the substrate layer to be permeable and is used for forming color difference with the texture layer; an identification code area layer is covered in a local area of the anti-counterfeiting random marker or on a printing stock, and an identification code displayed on the identification code area layer is a two-dimensional code; and carrying out anti-counterfeiting identification by a mobile terminal identification method or a visual method.
The mobile terminal identification method comprises the following steps: acquiring texture layer characteristics of irregular anti-counterfeiting random markers and two-dimensional codes of identification code area layers by using a linear array camera, transmitting the two-dimensional codes to a server, calculating the characteristics of each anti-counterfeiting random marker into digital data by using a texture layer marking algorithm, and storing the digital data in the server;
the mobile terminal equipment is used for photographing the anti-counterfeiting random marker and uploading the anti-counterfeiting random marker to the server, the server searches original data on the server through two-dimension code information in the uploaded anti-counterfeiting random marker picture and compares the original data with data obtained after feature analysis and calculation in the newly uploaded anti-counterfeiting random marker picture, and true and false judgment is carried out and the result is fed back to the mobile terminal to inquire.
Wherein, the texture layer marking algorithm comprises:
j1, scanning, photographing and sampling the random texture ridges formed by the texture layer and the texture gaps between the texture ridges by using an imaging device, analyzing to obtain a first key symbol, wherein the analyzing mode in the step is coding analysis;
and j2, generating a second key symbol based on the first key symbol by using a self-defined algorithm, and converting the second key symbol into an identification code to be presented on the identification code area layer for manufacturing the anti-counterfeiting random identifier.
The method for coding analysis in the step j1 includes:
q 1: gridding the texture layer area, and giving a position value to each grid;
q 2: identifying the random texture ridges of the texture layer and the texture gaps between the texture ridges, analyzing whether the grid positions are ridges or gaps, coding and recording the ridges or gaps in a server; and (3) collecting the information of the ridges or gaps in all grids in the texture layer area image, namely the characteristic area, and combining the acquired information into a long code, namely a first key symbol, according to a coordinate sequence or other self-defined sequences.
In step j2, a user-defined algorithm is used to generate a second key identifier based on the first key identifier, and the second key identifier is converted into an identification code and displayed on the identification code area layer, so as to produce a two-dimensional code, which contains the information content of the second key identifier.
The identification step of the anti-counterfeiting random marker specifically comprises the following steps:
n1, scanning and sampling the anti-counterfeiting random marker through a camera device of a mobile terminal;
n2, the mobile terminal device locally analyzes the identification code of the anti-counterfeiting random identifier or remotely analyzes the identification code through a network server, and reads a second key symbol;
n3, the mobile terminal device performs local analysis or remote analysis through a network server on the raised part of the texture layer of the characteristic area of the anti-counterfeiting random marker after scanning and sampling to analyze a first key symbol, wherein the analysis mode in the step is coding analysis;
n4, the mobile terminal performs matching analysis on the second key symbol and the first key symbol through the network server or performs matching analysis on the second key symbol and the first key symbol through the local database;
n5, if the matching is correct, the anti-counterfeiting verification is indicated to be passed, and if the matching is wrong, the anti-counterfeiting verification is indicated to be failed.
The vision method comprises the steps that an inquirer slowly changes the angle of the anti-counterfeiting random marker until the anti-counterfeiting random marker is horizontally placed, and due to the fact that the texture layer is bulged, human eyes can only see the color of the bulged texture, and cannot gradually see the color of the substrate layer.
The invention has the beneficial effects that: the anti-counterfeiting random marker can effectively realize the anti-counterfeiting of random characteristics with lower manufacturing cost, realize the quick, safe and accurate anti-counterfeiting identification effect through the matching of the random characteristics and the mobile terminal and the server, effectively increase the anti-counterfeiting capability through the physical visual color change, is suitable for large-scale low-cost printing, can be simply and effectively implemented, and greatly reduces the use and manufacturing cost.
Drawings
FIG. 1 is a functional block diagram of the present invention;
FIG. 2 is a top view of the anti-counterfeit random identifier without the identification code area;
FIG. 3 is an enlarged view of a portion of FIG. 2;
FIG. 4 is a schematic diagram of the present anti-counterfeit random identifier;
FIG. 5 is a schematic illustration of a vision method of the present invention;
the reference numerals in fig. 1 to 5 illustrate:
1-a substrate layer; 2-a color permeable layer; 3-a texture layer; 4-identification code zone layer;
a 1-textured bumps; a 2-textured gap.
Detailed Description
The invention will be described in further detail with reference to the following figures and specific examples, without limiting the scope of the invention.
As shown in fig. 1 to 5, the anti-counterfeiting method for the anti-counterfeiting random identifier according to the embodiment includes an anti-counterfeiting random identifier, where the anti-counterfeiting random identifier includes a printing material, a substrate layer covering the printing material, a color-permeable layer covering the substrate layer, and a texture layer located on the color-permeable layer; the color-permeable layer is used for mutually repelling the UV ink of the texture layer to enable the UV ink of the texture layer to form random texture bulges and texture gaps between the texture bulges on the color-permeable layer, and the color-permeable layer also enables the color of the substrate layer to be permeable and is used for forming color difference with the texture layer; an identification code area layer is covered in a local area of the anti-counterfeiting random marker or on a printing stock, and an identification code displayed by the identification code area layer is a two-dimensional code;
the mobile terminal identification method comprises the following steps: the method comprises the steps that a linear array camera is used for collecting texture layer characteristics of irregular anti-counterfeiting random markers and two-dimensional codes of identification code area layers and then transmitting the texture layer characteristics and the two-dimensional codes to a server, for example, collected pictures are uploaded to the server, the characteristics of each anti-counterfeiting random marker are calculated into digital data through a texture layer marking algorithm and stored in the server, when the method is in practical use, the anti-counterfeiting random markers are photographed by mobile terminal equipment and uploaded to the server, the server searches original data on the server through two-dimensional code information in the uploaded anti-counterfeiting random marker pictures and compares the original data with data obtained after feature analysis calculation in the newly uploaded anti-counterfeiting random marker pictures, and true and false judgment is carried out and the result is fed back to a mobile terminal query result.
Wherein, the texture layer marking algorithm comprises:
j1, scanning, photographing and sampling the random texture ridges formed by the texture layer and the texture gaps between the texture ridges by using an imaging device, analyzing to obtain a first key symbol, wherein the analyzing mode in the step is coding analysis;
j2, generating a second key symbol based on the first key symbol by using a self-defined algorithm, and converting the second key symbol into an identification code to be presented on an identification code area layer for manufacturing an anti-counterfeiting random identifier;
the identification code is a two-dimensional code or a bar code.
Specifically, the method for analyzing the code in step j1 includes:
q 1: gridding the texture layer area, and giving a position value to each grid; for example, a picture of the texture layer region is first taken by a CCD and given to the meshes, and each mesh is assigned with a coordinate, for example, the numerical value of the cell lattice in the second row of the second example is 0202;
q 2: identifying the random texture ridges of the texture layer and the texture gaps between the texture ridges, analyzing whether the grid positions are ridges or gaps, coding and recording the ridges or gaps in a server; for example, a grid with more than 50% protrusion may be set to 01, and the remaining 50% protrusion to 00; (ii) 40% of the ridges in the 0202 grid, then it is noted 020200; combining the texture layer area images, namely the information of bulges or gaps in all grids in the characteristic area, into a long code, namely a first key symbol according to a coordinate sequence or other self-defined sequences after acquiring;
specifically, in step j2, a custom algorithm is used to generate the second key identifier based on the first key identifier, and the second key identifier is converted into an identification code to be displayed on the identification code region layer, for example, a two-dimensional code is produced, which includes the information content of the second key identifier.
The identification steps of the anti-counterfeiting random marker specifically comprise:
n1, scanning and sampling the anti-counterfeiting random marker through a camera device of a mobile terminal;
n2, the mobile terminal device locally analyzes the identification code of the anti-counterfeiting random identifier or remotely analyzes the identification code through a network server, and reads a second key symbol;
n3, the mobile terminal device performs local analysis or remote analysis through a network server on the raised part of the texture layer of the characteristic area of the anti-counterfeiting random marker after scanning and sampling to analyze a first key symbol, wherein the analysis mode in the step is coding analysis;
n4, the mobile terminal performs matching analysis on the second key symbol and the first key symbol through the network server or performs matching analysis on the second key symbol and the first key symbol through the local database;
n5, if the matching is correct, the anti-counterfeiting verification is indicated to be passed, and if the matching is wrong, the anti-counterfeiting verification is indicated to be failed.
Specifically, the mobile terminal in step n1 may be a smart phone, a smart watch, or the like, and the identification code, for example, the two-dimensional code is read by scanning the anti-counterfeit random identifier to read the second key identifier, which may be done locally or via an internet server; and simultaneously scanning the raised parts of the texture layer in the characteristic region for analysis in a manner of coding analysis and consistent with the method for analyzing the raised parts of the texture layer in the step n 2. The process can be locally completed or completed through the internet server, and the first key symbol is analyzed after the analysis, so that the second key symbol and the first key symbol can be matched and analyzed through the network server or the mobile terminal can be matched and analyzed through the local database, and the anti-counterfeiting detection result is obtained.
Visual method: the method comprises the steps that an inquirer slowly changes the angle of the anti-counterfeiting random marker until the anti-counterfeiting random marker is horizontally placed, and due to the fact that the lines on the texture layer are raised, human eyes can only see the colors of the raised lines, but cannot gradually see the color of the substrate layer.
The step of visual identification is to view the color of the characteristic region of the anti-counterfeiting random marker in a top view and to view the color of the characteristic region of the anti-counterfeiting random marker in a side view as shown in fig. 5. As shown in fig. 5, when viewed from above, the raised portions of the texture layer have a texture gap therebetween, and the printing substrate has a free color, for example, the printing substrate is blue, the raised portions of the texture layer are red, and when viewed from above, i.e., at an angle a, the raised portions are blue-red; when viewed at angle b, the raised portion of the texture layer is the color of the raised portion of the texture layer itself, since only the raised portion of the texture layer itself is visible when viewed.
In the anti-counterfeiting technology, the anti-counterfeiting random marker identification step further comprises touch identification, wherein the touch identification step is to obtain touch feeling by touching a characteristic area of the anti-counterfeiting random marker; for example, the raised portions of the textured layer have a pronounced concave-convex feel.
As shown in figures 2 to 5 of the drawings,
the stock can be paper or other materials such as be used for printing the label or for article extranal packing etc. again, wherein the substrate layer is colored UV printing ink printing, it is used for setoff subsequent texture layer, the layer of penetrating look is transparent UV printing ink layer generally, the texture layer is printed and possesses mutually exclusive UV printing ink with the UV printing ink of the layer of penetrating look for with the colored UV printing ink that substrate layer colour is poor great, after the layer of penetrating look printing finishes, when solidifying is incomplete, print the texture layer on the layer of penetrating look again, wherein the texture layer takes place the mutual exclusion with the layer of penetrating look after printing on the layer of penetrating look, promptly: as shown in fig. 1 and fig. 2, the two UV inks are mutually hydrophobic, and the UV ink used in the texture layer makes the texture layer become a corresponding random feature layer composed of texture ridges a1 and texture gaps a2 due to the self-tension, and then the texture layer is cured, so as to obtain the random marker applied with the anti-counterfeiting function.
In the anti-counterfeiting random marker of the embodiment, an identification code area layer is coated in a local area of the anti-counterfeiting random marker or on a printing stock, and an identification code displayed by the identification code area layer 4 is a two-dimensional code; the substrate layer and the texture layer are different in color, generally, the substrate layer is darker in color, such as dark blue or black, and the texture layer and the substrate are different in color system, such as red or yellow; the textured layer has a thickness greater than the thickness of the color permeable layer, wherein the thickness of the textured layer generally refers to the height of the textured ridges formed.
One basic anti-counterfeiting principle of the anti-counterfeiting random marker in the embodiment is as follows: when leaving the factory, gather characteristic information through equipment, promptly: acquiring texture layer characteristics of an irregular anti-counterfeiting random marker and a two-dimensional code of an identification code area layer by using a linear array camera, and then transmitting the texture layer characteristics and the two-dimensional code to a server, for example, uploading the acquired pictures to the server, calculating the characteristics of each anti-counterfeiting random marker into digital data by using a texture layer marking algorithm and storing the digital data in the server, photographing the anti-counterfeiting random marker by using mobile terminal equipment and uploading the digital data to the server when in actual use, searching original data on the server by using two-dimensional code information in the uploaded anti-counterfeiting random marker picture by using the server, comparing the original data with the data obtained by analyzing and calculating the characteristics in the newly uploaded anti-counterfeiting random marker picture, and performing true and false judgment and feeding back the result to a mobile terminal query result; the inquiry person can also change the angle of the anti-counterfeiting random marker slowly until the anti-counterfeiting random marker is horizontally placed, and the color of the raised grains can be seen by human eyes and the color of the substrate layer can not be seen gradually due to the raised grains on the grain layer.
By utilizing the scheme, the anti-counterfeiting random marker can effectively realize the anti-counterfeiting of the random characteristics with lower manufacturing cost, realize the quick, safe and accurate anti-counterfeiting identification effect through the matching of the random characteristics and the mobile terminal and the server, effectively increase the anti-counterfeiting capacity through the physical visual color change, and is suitable for large-scale low-cost printing.
The printing method of the anti-counterfeiting random marker comprises the following steps:
a, printing a substrate layer on a printing stock by using UV ink and curing the substrate layer by UV curing irradiation;
b, printing a light-transmitting color-transmitting layer on the cured substrate layer by using light-transmitting UV (ultraviolet) shrinkable ink;
c, irradiating the UV printing ink of the color permeable layer by UV curing to enable the curing degree of the UV printing ink to be in a range of 30% -70%;
d, printing a texture layer on the color permeable layer by using mutually exclusive UV ink generated by UV shrink ink used by the color permeable layer, wherein the texture layer generates raised grains on the color permeable layer due to mutual exclusion;
the UV printing ink for the texture layer is mutually exclusive after being printed, and the UV printing ink for the texture layer generates bulges and gaps, so that the UV printing ink needing the color permeable layer is irradiated through UV curing to enable the curing degree of the UV printing ink to be in a range of 30% -70%, the UV printing ink is not completely cured, the mutual exclusivity can be expressed, the UV printing ink for the texture layer generates bulges and gaps, and the principle that the bulges and the gaps are generated through mutual sparse of the two types of UV printing ink and the bulges and the gaps are generated through the self tension of the UV printing ink for the texture layer.
It was shown by many experimental data that when the UV ink of the color permeable layer was irradiated by UV curing to have a curing degree of 60%, the UV ink of the texture layer was most easily obtained with the rise and the gap and did not flow.
E, curing the texture layer through UV curing irradiation;
practices and experiments show that the UV ink of the color permeable layer has the curing degree of 30-70% through UV curing irradiation, the UV curing irradiation causes different heights of the curing degree of the color permeable layer to cause different heights of the ridges and gaps of the texture layer, when the curing degree is higher, the larger the gap is, the higher the ridge is, the simpler the random features are, and when the curing degree is lower, the smaller the gap is, the lower the ridge is, and the more the random features are, the more the random features are; therefore, different degrees of solidification can be set according to actual use conditions to meet use requirements; a plurality of times of experimental data show that when the curing degree of the color permeable layer is 60% through UV curing irradiation, the heights of the bumps and the gaps are more clear under the condition that the bump heights and the gaps are moderate.
The printing method of the anti-counterfeiting random identifier in the embodiment further comprises the following steps: f, printing an identification code area layer in a local area on the texture layer, wherein the identification code displayed by the identification code area layer is a two-dimensional code; and d, printing the texture layer in the step d in a screen printing or gravure printing mode, wherein the thickness of the texture layer can be increased by printing in the screen printing or gravure printing mode, and the visual color-changing anti-counterfeiting experience and the accuracy of computer acquisition can be improved.
The UV shrink ink used in the color-permeable layer contains the color fibers or a certain amount of color fibers are added into the UV ink used in the texture layer, so that the finished anti-counterfeiting marker is firmer, and the raised texture of the texture layer is not easy to fall off.
The above procedure has also found the following unexpected effects:
in actual operation, a transparent color-permeable layer is printed on a cured substrate layer by using transparent UV (ultraviolet) shrinkable ink, and the UV shrinkable ink used for the color-permeable layer contains color fibers, namely the color fibers are immersed in the UV shrinkable ink used for the color-permeable layer before printing; experiments show that after the texture layer is printed, the raised texture is clearer and more random, and the anti-counterfeiting performance is obviously improved.
In practice, a certain amount of color fibers can be added into the UV ink used on the texture layer, namely, the color fibers are immersed into the UV shrink ink used on the texture layer before printing; experiments show that after the texture layer is printed, the raised texture is clearer and more random, and the anti-counterfeiting performance of the texture layer is also obviously improved.
Compared with the prior art, the anti-counterfeiting random marker has a plurality of advantages, can effectively realize the anti-counterfeiting of random characteristics with low manufacturing cost, realizes the rapid, safe and accurate anti-counterfeiting identification effect through the matching of the random characteristics and the mobile terminal and the server, can effectively increase the anti-counterfeiting capability through the physical visual color change, and is suitable for large-scale low-cost printing.
The above description is only a preferred embodiment of the present invention, and all equivalent changes or modifications of the structure, characteristics and principles described in the present patent application are included in the protection scope of the present patent application.
Claims (7)
1. An anti-counterfeiting method of an anti-counterfeiting random marker is characterized in that: the anti-counterfeiting random marker comprises a printing stock, a substrate layer covered on the printing stock, a color permeable layer covered on the substrate layer and a texture layer positioned on the color permeable layer; the color-permeable layer is used for mutually repelling the UV ink of the texture layer to enable the UV ink of the texture layer to form random texture bulges and texture gaps between the texture bulges on the color-permeable layer, and the color-permeable layer also enables the color of the substrate layer to be permeable and is used for forming color difference with the texture layer; an identification code area layer is covered in a local area of the anti-counterfeiting random marker or on a printing stock, and an identification code displayed on the identification code area layer is a two-dimensional code; and carrying out anti-counterfeiting identification by a mobile terminal identification method or a visual method.
2. The anti-counterfeiting random marker anti-counterfeiting method according to claim 1, characterized in that: the mobile terminal identification method comprises the following steps: acquiring texture layer characteristics of irregular anti-counterfeiting random markers and two-dimensional codes of identification code area layers by using a linear array camera, transmitting the two-dimensional codes to a server, calculating the characteristics of each anti-counterfeiting random marker into digital data by using a texture layer marking algorithm, and storing the digital data in the server;
the mobile terminal equipment is used for photographing the anti-counterfeiting random marker and uploading the anti-counterfeiting random marker to the server, the server searches original data on the server through two-dimension code information in the uploaded anti-counterfeiting random marker picture and compares the original data with data obtained after feature analysis and calculation in the newly uploaded anti-counterfeiting random marker picture, and true and false judgment is carried out and the result is fed back to the mobile terminal to inquire.
3. The anti-counterfeiting random marker anti-counterfeiting method according to claim 2, characterized in that:
the texture layer labeling algorithm includes:
j1, scanning, photographing and sampling the random texture ridges formed by the texture layer and the texture gaps between the texture ridges by using an imaging device, analyzing to obtain a first key symbol, wherein the analyzing mode in the step is coding analysis;
and j2, generating a second key symbol based on the first key symbol by using a self-defined algorithm, and converting the second key symbol into an identification code to be presented on the identification code area layer for manufacturing the anti-counterfeiting random identifier.
4. The anti-counterfeiting random marker anti-counterfeiting method according to claim 3, characterized in that:
the method for code resolution in the step j1 comprises the following steps:
q 1: gridding the texture layer area, and giving a position value to each grid;
q 2: identifying the random texture ridges of the texture layer and the texture gaps between the texture ridges, analyzing whether the grid positions are ridges or gaps, coding and recording the ridges or gaps in a server; and (3) collecting the information of the ridges or gaps in all grids in the texture layer area image, namely the characteristic area, and combining the acquired information into a long code, namely a first key symbol, according to a coordinate sequence or other self-defined sequences.
5. The anti-counterfeiting random marker anti-counterfeiting method according to claim 4, characterized in that:
in step j2, a user-defined algorithm is used to generate a second key identifier based on the first key identifier, and the second key identifier is converted into an identification code and displayed on the identification code area layer, so as to produce a two-dimensional code, which contains the information content of the second key identifier.
6. The anti-counterfeiting random marker anti-counterfeiting method according to claim 5, characterized in that:
the identification step of the anti-counterfeiting random marker specifically comprises the following steps:
n1, scanning and sampling the anti-counterfeiting random marker through a camera device of a mobile terminal;
n2, the mobile terminal device locally analyzes the identification code of the anti-counterfeiting random identifier or remotely analyzes the identification code through a network server, and reads a second key symbol;
n3, the mobile terminal device performs local analysis or remote analysis through a network server on the raised part of the texture layer of the characteristic area of the anti-counterfeiting random marker after scanning and sampling to analyze a first key symbol, wherein the analysis mode in the step is coding analysis;
n4, the mobile terminal performs matching analysis on the second key symbol and the first key symbol through the network server or performs matching analysis on the second key symbol and the first key symbol through the local database;
n5, if the matching is correct, the anti-counterfeiting verification is indicated to be passed, and if the matching is wrong, the anti-counterfeiting verification is indicated to be failed.
7. The anti-counterfeiting random marker anti-counterfeiting method according to claim 1, characterized in that:
the vision method comprises that an inquirer slowly changes the angle of the anti-counterfeiting random marker until the anti-counterfeiting random marker is horizontally placed, and due to the fact that the texture layer is bulged, human eyes can only see the color of the bulged texture, but cannot gradually see the color of the substrate layer.
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