CN116682319A - 3D anti-counterfeiting code label - Google Patents
3D anti-counterfeiting code label Download PDFInfo
- Publication number
- CN116682319A CN116682319A CN202310647806.9A CN202310647806A CN116682319A CN 116682319 A CN116682319 A CN 116682319A CN 202310647806 A CN202310647806 A CN 202310647806A CN 116682319 A CN116682319 A CN 116682319A
- Authority
- CN
- China
- Prior art keywords
- label
- main body
- heterogeneous particles
- tag
- security code
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000002245 particle Substances 0.000 claims abstract description 37
- 239000000463 material Substances 0.000 claims abstract description 13
- 238000001514 detection method Methods 0.000 claims abstract description 11
- 238000007639 printing Methods 0.000 claims abstract description 8
- 238000010146 3D printing Methods 0.000 claims abstract description 6
- 239000007788 liquid Substances 0.000 claims abstract description 6
- 238000010801 machine learning Methods 0.000 claims abstract description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000003292 glue Substances 0.000 claims abstract description 4
- 229910052751 metal Inorganic materials 0.000 claims abstract description 4
- 239000002184 metal Substances 0.000 claims abstract description 4
- 239000000843 powder Substances 0.000 claims abstract description 4
- 235000019353 potassium silicate Nutrition 0.000 claims abstract description 3
- 238000005507 spraying Methods 0.000 claims abstract 2
- 238000012795 verification Methods 0.000 abstract description 5
- 230000001788 irregular Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 6
- 230000003287 optical effect Effects 0.000 description 4
- 102000053602 DNA Human genes 0.000 description 3
- 108020004414 DNA Proteins 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000002086 nanomaterial Substances 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 239000004848 polyfunctional curative Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
- G09F3/02—Forms or constructions
- G09F3/0297—Forms or constructions including a machine-readable marking, e.g. a bar code
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Credit Cards Or The Like (AREA)
Abstract
The invention discloses a 3D anti-counterfeiting code label, which structurally comprises a label main body and heterogeneous particles, wherein the heterogeneous particles are randomly distributed on the label main body, the label main body is a 3D label and can be realized in a 3D printing or printing mode, the heterogeneous particles can be materials such as metal powder, graphite powder or small air bubbles, the label main body can be materials such as transparent glue and liquid glass, the liquid label main body material and the heterogeneous particles are mixed and then are solidified on the surface of an object with anti-counterfeiting requirement (in a spraying or printing mode) to form the label, the thickness of the label main body is larger than 0.5mm, the effective heterogeneous particles are 1-10 mu m in diameter, the 3D label adopting irregular distributed bubble three-dimensional coordinates as identification is used as identification for identity verification, the safety is difficult to reproduce physically, and a machine learning-based target detection algorithm is adopted to reduce detection difficulty and cost.
Description
Technical Field
The invention relates to the technical field of anti-counterfeiting, in particular to a 3D anti-counterfeiting code label.
Background
Through years of development of anti-counterfeiting technology, various doors have been formed, such as anti-counterfeiting film technologies represented by laser holographic films, laser holographic electrochemical aluminum films, laser holographic fluorescence anti-counterfeiting films, flexible laser holographic anti-counterfeiting films, optical color changing interference films, optical reflection films, nuclear microporous films, optical lens three-dimensional display anti-counterfeiting films, stereoscopic imaging anti-counterfeiting films, pressure-sensitive polymer multi-void coincidence films and the like, anti-counterfeiting paper (packaging) technologies represented by color point encryption paper, fluorescent encryption paper, anti-copying paper, invisible printing anti-counterfeiting coated paper, anti-counterfeiting pressure-sensitive paper, layered dyeing anti-counterfeiting paper, atomic nuclear encryption anti-counterfeiting paper and the like, anti-counterfeiting tape technologies represented by self-inspection tamper protection tapes, plastic film packaging seal materials, graphic-disappearance anti-counterfeiting tapes, optical fiber anti-counterfeiting seals and the like, and special material anti-counterfeiting technologies represented by document anti-counterfeiting materials, atomic nucleus double-card encryption films, anti-counterfeiting gold foils, polypropylene anti-counterfeiting fibers, nanometer anti-counterfeiting materials and the like.
To facilitate daily business, the identification technology should meet the following requirements: the product is not damaged, the cost is low, the verification is convenient, and the like.
The prior technical scheme comprises the following steps: bar codes, two-dimensional codes, radio frequency ID (identity recognition), holograms, DNA (deoxyribonucleic acid) tags, nanomaterial-based IDs, PUFs (physical unclonable function based on silicon), wherein bar codes, two-dimensional codes, radio frequency ID are easily duplicated and used on counterfeit goods, not secure enough; holograms, DNA markers, nanomaterial-based IDs typically require equipment in the laboratory for verification, which is difficult and costly; PUFs can only be applied to products with integrated circuits and have a narrow range of applications.
Disclosure of Invention
To solve the above problems, a new 3D tag is proposed as an ID, which guarantees security by being difficult to copy; ID can be manufactured by 3D printing and can be applied to the surface of an object whose surface is hard or soft, which ensures its wide applicability and limits production costs; the ID can be identified by machine learning after collection by the plain optical system, and verification is easy.
In order to achieve the above object, the present invention is realized by the following technical scheme: the 3D anti-counterfeiting code label structurally comprises a label main body and heterogeneous particles, wherein the heterogeneous particles are randomly distributed on the label main body.
As a further improvement of the invention, the label body is a 3D label, and can be realized by adopting a 3D printing or printing mode.
As a further development of the invention, the foreign particles may be (metal powder, graphite powder or small air bubbles etc.) and the tag body may be (transparent glue, liquid glass etc.).
As a further improvement of the invention, after mixing the liquid label body material and the heterogeneous particles, solidifying (in a spray or print form) on the surface of the article with anti-counterfeiting requirement to form the label, wherein the thickness of the label body is more than 0.5mm, and the effective heterogeneous particles have the diameter of 1-10um.
As a further improvement of the invention, the position of the heterogeneous particles is acquired by using an image acquisition device, the shot image is required to be acquired from at least 3 non-passing focal planes, and the image acquisition device is a mobile phone and is connected with a database recording the image characteristics by adopting a network.
As a further improvement of the invention, the depth of the heterogeneous particles is measured by the depth of the focal plane, and the horizontal two-dimensional coordinates of the heterogeneous particles are identified by a target detection algorithm obtained based on machine learning.
The invention has the beneficial effects that:
the invention uses the 3D label with irregularly distributed bubble three-dimensional coordinates as the identification of identity verification, the security is caused by the physical reproduction difficulty, and the detection difficulty and cost are reduced by adopting a target detection algorithm based on machine learning.
The invention can be manufactured through 3D printing or through stirring resin and hardener and heating, and has low cost.
The randomness of bubble generation increases the difficulty of copying the label on a hardware level, and the security is ensured by physical unclonability, so that the label is reliable enough.
Most smart phones in the market can be used for verifying the tag, and the detection cost is low and convenient.
The label has small volume, is convenient to transport together with the product, does not damage the product, and has wide applicability.
The invention can achieve the effect of recording environment change information by changing the material for making the label, and has strong expansibility.
Drawings
Fig. 1 is a schematic structural diagram of a 3D security code label according to the present invention.
FIG. 2 is a program diagram of the object detection algorithm of the present invention.
FIG. 3 is a flow chart of the data comparison algorithm of the present invention.
In the figure: tag body-1, heterogeneous particles-2.
Description of the embodiments
In order to make the technical means, creation characteristics, achievement purposes and effects achieved by the present invention easy to understand, fig. 1 to fig. 3 schematically show the structure of the 3D security code label according to the embodiment of the present invention, and the present invention is further described below with reference to the specific embodiment.
Examples
As shown in fig. 1-3, the present invention provides a 3D security code label, the structure of which includes a label main body 1 and heterogeneous particles 2, the heterogeneous particles 2 are randomly distributed on the label main body 1, the label main body 1 is a 3D label and can be implemented by adopting a 3D printing or printing mode, the heterogeneous particles 2 can be (metal powder, graphite powder or small air bubbles, etc.), the label main body 1 can be (transparent glue, glass in a liquid state), after mixing the liquid state of the label main body 1 material and the heterogeneous particles 2, the mixture is cured (in a spray or printing form) on the surface of an article with security requirements to form a label, wherein the thickness of the label main body 1 is greater than 0.5mm, the effective heterogeneous particles have a diameter of 1-10um, the positions of the heterogeneous particles 2 are collected by using an image collecting device, a shooting image needs to be collected from at least 3 non-passing focal planes, the image collecting device is a mobile phone and is connected with a database of image features by adopting a network, the depth of the heterogeneous particles 2 is measured by using the depth of a focal plane, and the depth of the heterogeneous particles 2 is measured by a two-dimensional coordinate recognition algorithm to obtain a two-dimensional learning object.
The method comprises the steps that firstly, the horizontal coordinate and the vertical coordinate of air bubbles 3 contained in a 3D label are drawn on the 3D label obtained in the previous step, then, the matching success is ensured by shooting images in different focal planes and adjusting the distance between each focal plane, otherwise, the matching success is ensured, the accuracy of detection can reach 99.5% in 100 samples tested in reality, the accuracy of detection can reach 96.9% in the images simulated by using a virtual four-engine, and the accuracy of detection can reach 96.9% in the images simulated by using the virtual four-engine.
The manufacturing method comprises the following steps: after mixing the liquid label host material and the heterogeneous particles, curing (in a spray-coated or printed form) the surface of the article with anti-counterfeiting requirements to form the label, wherein specific manufacturing details are different according to the label material and the particles.
Wherein the tag body is transparent and the effective heterogeneous particles have a diameter in the range of 1-10um which is distinguishable under a microscope (i.e. the particles may be small but are not effective particles less than 1 micron or greater than 10 microns to ensure adequate distribution in the range of 1-10 microns, may be present as long as they do not interfere with the observation of a portion of the particles between 1-10 microns, or otherwise, for example, too many particles on the order of millimeters, would block particles between 1-10 microns).
Claims (6)
1. A 3D security code label, characterized in that: the structure of the label comprises a label main body (1) and heterogeneous particles (2), wherein the heterogeneous particles (2) are randomly distributed on the label main body (1).
2. The 3D security code tag of claim 1, wherein: the label main body (1) is a 3D label and can be realized by adopting a 3D printing or printing mode.
3. The 3D security code tag of claim 1, wherein: the heterogeneous particles (2) may be (metal powder, graphite powder or small air bubbles etc.) and the tag body (1) may be (transparent glue, liquid glass etc.).
4. The 3D security code tag of claim 1, wherein: after mixing the liquid tag main body (1) material and the heterogeneous particles (2), solidifying (in a spray-coating or printing form) on the surface of an article with anti-counterfeiting requirements to form the tag, wherein the thickness of the tag main body (1) is larger than 0.5mm, and the effective diameter of the heterogeneous particles is 1-10um.
5. The 3D security code tag of claim 1, wherein: the position of the heterogeneous particles (2) is acquired by using image acquisition equipment, the shot images need to be acquired from at least 3 non-passing focal planes, and the image acquisition equipment is a mobile phone and is connected with a database recording the image characteristics by adopting a network.
6. The 3D security code tag of claim 1, wherein: the depth of the heterogeneous particles (2) is measured by the depth of a focal plane, and the horizontal two-dimensional coordinates of the heterogeneous particles are identified by a target detection algorithm obtained based on machine learning.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202310647806.9A CN116682319A (en) | 2023-06-02 | 2023-06-02 | 3D anti-counterfeiting code label |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202310647806.9A CN116682319A (en) | 2023-06-02 | 2023-06-02 | 3D anti-counterfeiting code label |
Publications (1)
Publication Number | Publication Date |
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CN116682319A true CN116682319A (en) | 2023-09-01 |
Family
ID=87788463
Family Applications (1)
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CN202310647806.9A Pending CN116682319A (en) | 2023-06-02 | 2023-06-02 | 3D anti-counterfeiting code label |
Country Status (1)
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CN (1) | CN116682319A (en) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1417732A (en) * | 2002-11-26 | 2003-05-14 | 李婕 | Anti-fake label with electronic grains |
CN203038321U (en) * | 2012-10-15 | 2013-07-03 | 李成 | Anti-counterfeiting system and anti-counterfeiting marker |
US20150076219A1 (en) * | 2013-09-14 | 2015-03-19 | Sense Digital Co., Ltd. | Tactile anti-forgery method using random emboss |
CN109118944A (en) * | 2017-06-22 | 2019-01-01 | 杭州沃朴物联科技有限公司 | A kind of antifalsification label based on random bubble |
CN109118945A (en) * | 2017-06-22 | 2019-01-01 | 杭州沃朴物联科技有限公司 | A kind of antifalsification label based on two-dimensional random figure |
CN109118941A (en) * | 2017-06-22 | 2019-01-01 | 杭州沃朴物联科技有限公司 | A kind of 3 D antiforge label based on random bubble |
-
2023
- 2023-06-02 CN CN202310647806.9A patent/CN116682319A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1417732A (en) * | 2002-11-26 | 2003-05-14 | 李婕 | Anti-fake label with electronic grains |
CN203038321U (en) * | 2012-10-15 | 2013-07-03 | 李成 | Anti-counterfeiting system and anti-counterfeiting marker |
US20150076219A1 (en) * | 2013-09-14 | 2015-03-19 | Sense Digital Co., Ltd. | Tactile anti-forgery method using random emboss |
CN109118944A (en) * | 2017-06-22 | 2019-01-01 | 杭州沃朴物联科技有限公司 | A kind of antifalsification label based on random bubble |
CN109118945A (en) * | 2017-06-22 | 2019-01-01 | 杭州沃朴物联科技有限公司 | A kind of antifalsification label based on two-dimensional random figure |
CN109118941A (en) * | 2017-06-22 | 2019-01-01 | 杭州沃朴物联科技有限公司 | A kind of 3 D antiforge label based on random bubble |
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