CN111476334A - Anti-counterfeiting image identifier and anti-counterfeiting method thereof - Google Patents

Anti-counterfeiting image identifier and anti-counterfeiting method thereof Download PDF

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Publication number
CN111476334A
CN111476334A CN202010379584.3A CN202010379584A CN111476334A CN 111476334 A CN111476334 A CN 111476334A CN 202010379584 A CN202010379584 A CN 202010379584A CN 111476334 A CN111476334 A CN 111476334A
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counterfeiting
label
image
data
mobile terminal
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CN202010379584.3A
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Chinese (zh)
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谢培树
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New Lixun Technology Co ltd
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New Lixun Technology Co ltd
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Priority to CN202010379584.3A priority Critical patent/CN111476334A/en
Publication of CN111476334A publication Critical patent/CN111476334A/en
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/06009—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with optically detectable marking
    • G06K19/06018—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with optically detectable marking one-dimensional coding
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/06009—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with optically detectable marking
    • G06K19/06037—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with optically detectable marking multi-dimensional coding
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q30/00—Commerce
    • G06Q30/018—Certifying business or products
    • G06Q30/0185—Product, service or business identity fraud
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q30/00—Commerce
    • G06Q30/06—Buying, selling or leasing transactions
    • G06Q30/0601—Electronic shopping [e-shopping]

Abstract

The invention provides an anti-counterfeiting image mark and an anti-counterfeiting method thereof, wherein the image mark comprises a data label and an anti-counterfeiting label, the anti-counterfeiting label is a miniature label, the coordinate of the anti-counterfeiting label can be adjusted, and the maximum distance between any two points on the data label is set as q1The minimum distance between any point on the anti-counterfeiting label and any point on the data label is q2Then (q) is2/q1)<0.5. The data label can store information such as the position, the color, the type and the like of the anti-counterfeit label, the data label can be a two-dimensional code, and the data label can store unique product number information. The invention can not only prevent counterfeiting, but also store a large amount of data. The functions of anti-counterfeiting, customization and the like can be realized only by taking a picture by the mobile terminal once. The anti-counterfeit label is a miniature mark, which does not interfere the identification of the stored data and can realize one object and one code.

Description

Anti-counterfeiting image identifier and anti-counterfeiting method thereof
Technical Field
The invention relates to a pattern recognition technology, in particular to an anti-counterfeiting image identifier and an anti-counterfeiting method thereof.
Background
Counterfeit products can detract from the benefits of branded products. Therefore, branded products require anti-counterfeiting technology to exclude counterfeit products. The current anti-counterfeiting technology mainly uses artificial anti-counterfeiting, and utilizes the naked eyes of customers to distinguish the characteristics of anti-counterfeiting images. But the anti-counterfeiting images of different products may have great differences in appearance and anti-counterfeiting technology. The artificial anti-counterfeiting efficiency is too low, the difficulty is too high, and the artificial anti-counterfeiting method is difficult to popularize. Many customers prefer to purchase goods through a regular channel and also prefer not to learn various anti-counterfeiting technologies. The artificial anti-counterfeiting function is very small.
The mobile equipment comprises a mobile phone, a notebook computer, a tablet computer, a POS machine, a vehicle-mounted computer and the like. The current mobile terminal has better processing power, memory, storage medium and operating system, and is a complete portable computer system. In addition, the mobile terminal can also realize functions of communication, photographing, bar code scanning, internet surfing, positioning and the like. The resolution of a camera of the mobile terminal is higher and higher, and pictures shot by the camera are clearer and clearer.
The image identifier can store data, and comprises standard identifiers such as one-dimensional bar codes, two-dimensional codes and the like. The two-dimensional code can store data such as websites and characters. The two-dimensional code can carry information of thousands of characters and has certain automatic error correction capability. Image identifiers may also be used to prevent counterfeiting. The miniature mark is the most convenient image mark in anti-fake design, and may be combined with other functions. The micro-printing plate making has higher difficulty and stronger anti-counterfeiting capability. However, at present, a technical scheme for organically combining the two-dimensional code with the micro-scale mark for anti-counterfeiting application is not provided.
Disclosure of Invention
The invention aims to provide an anti-counterfeiting image identifier and an anti-counterfeiting method thereof, which can realize the functions of anti-counterfeiting, customization and the like only by taking a picture at one time by a mobile terminal. The invention designs an image identifier which can store both data and an anti-counterfeit label, wherein the image identifier is called as a universal code due to convenient and wide application. The specific technical scheme of the invention is as follows:
an anti-counterfeiting image mark comprises a data label and an anti-counterfeiting label, wherein the anti-counterfeiting label is a miniature label, the coordinate of the anti-counterfeiting label can be adjusted, and the maximum distance between any two points on the data label is set as q1The minimum distance between any point on the anti-counterfeiting label and any point on the data label is q2Then (q) is2/q1)<0.5. Preferably, (q)2/q1)<0.2. The image identifier includes a background that is used to conceal the security label.
The data label can store information such as the position, the color, the type and the like of the anti-counterfeit label, the data label can be a two-dimensional code, and the data label can store unique product number information. The security label may be a miniature label on a data label. Anti-counterfeit labels can be classified into various categories, such as rectangular labels, circular labels, and the like.
The image identification coding method comprises the following steps:
s1, setting the width w and the height h of a data label image, wherein the unit of w and h is a pixel;
s2, generating proportional coordinates (bx, by) and (cx, cy) of the anti-counterfeiting label by using a random number generation algorithm, wherein bx, by, cx and cy are decimal numbers and represent the proportional coordinates in the data label, bx is more than or equal to 0 and less than 1, by is more than or equal to 0 and less than or equal to cy and less than or equal to 1, (bx × w, by × h) is the coordinates of the upper left corner of the rectangle, (cx × w, cy × h) is the coordinates of the lower right corner of the rectangle, and the coordinates (bx × w, by × h) and the coordinates (cx × w, cy × h) form an anti-counterfeiting rectangular area;
s3, encrypting the proportional coordinates into a password;
s4, adding the server address, the port and the encryption proportion coordinate into data of the data label, and generating a data label image (p) by using the data of the data label;
s5, calculating an anti-counterfeiting rectangular area by using the coordinates (bx × w, by × h) and the coordinates (cx × w, cy × h);
and S6, drawing a fine anti-counterfeiting label in the anti-counterfeiting rectangular area.
An anti-counterfeiting method for an anti-counterfeiting image mark comprises the following steps:
s1, shooting a picture of an image identifier by a mobile terminal;
s2, the mobile terminal extracts a two-dimensional code image;
s3, decoding the two-dimensional code data by the mobile terminal, and calculating the width w and the height h of the two-dimensional code module by the mobile terminal;
s4, the mobile terminal analyzes the encryption proportion coordinate from the two-dimensional code data;
s5, the mobile terminal decrypts the proportional coordinate;
s6, the mobile terminal calculates an anti-counterfeiting rectangular area by using the proportional coordinate, the data label image width w and the data label image height h;
and S7, the mobile terminal identifies the anti-counterfeiting label in the anti-counterfeiting rectangular area by using a pattern identification algorithm and then outputs an identification result.
Another anti-counterfeiting method of the anti-counterfeiting image mark comprises the following steps:
s1, shooting a picture of an image identifier by a mobile terminal;
s2, the mobile terminal extracts a two-dimensional code image;
s3, decoding the two-dimensional code data by the mobile terminal;
s4, the mobile terminal analyzes the server address and the port from the two-dimensional code data;
s5, the mobile terminal sends the picture of the image identifier to a server;
s6, the server receives the picture of the image identifier and extracts a two-dimensional code image;
s7, decoding the two-dimensional code data by the server, and calculating the width w and the height h of the two-dimensional code module by the server;
s8, the server analyzes the encryption proportion coordinate from the two-dimensional code data;
s9, the server decrypts the proportional coordinate;
s10, calculating an anti-counterfeiting rectangular area by the server through the proportional coordinate, the data label image width w and the data label image height h;
and S11, the server identifies the anti-counterfeiting label in the anti-counterfeiting rectangular area by using a pattern identification algorithm, and then sends an identification result to the mobile terminal.
The anti-counterfeiting method of the anti-counterfeiting image identifier can realize anti-counterfeiting, customization, crowd funding, group purchase and traceability of the product with the anti-counterfeiting image identifier by only taking a picture of the mobile terminal once. The anti-counterfeiting image mark shot by the mobile terminal can be uploaded to a positioning address. The number and coordinates of the security tag are varied, which increases the cost of the imitation. Counterfeiting is also easily discovered if the counterfeiter successfully simulates a universal code and manufactures it in large quantities at high cost. If the universal code software monitors that the same number product appears in a plurality of places, the universal code software can give an alarm: "false goods appear".
The universal code not only can prevent counterfeiting, but also can store a large amount of data. The camera resolution of the mobile terminal is very high, and the micro-marks which are difficult to identify by naked eyes can be identified. The anti-counterfeit label is a miniature mark and cannot interfere with the identification of the universal code storage data. The universal code can realize one object and one code. The universal code can generate electronic data and store the electronic data in the mobile terminal.
The universal code can be pasted on a target, and various electronic version data and various software can be displayed and operated through the mobile terminal. The universal code is inexpensive to manufacture. The universal code software can open a website for storing the universal code and provide functions of customization, crowd funding, group purchase and the like. The product is suitable for the industries of jewelry, clothing, furniture, food and the like. Many products can customize a packaging image by universal code software, and the customization cost of the packaging image is low. The universal code software can comprise a star vermicelli group, and vermicelli communication, customization, crowd funding and group purchase are allowed. The universal code software can trace the source. The universal code software only needs to take a picture once to realize the anti-counterfeiting and customizing functions.
Drawings
FIG. 1 is a schematic view of an anti-counterfeit image identifier;
FIG. 2 is an enlarged view of the anti-counterfeit label, wherein a rectangle in a circle is the anti-counterfeit label;
FIG. 3 is a flowchart of the universal code APP.
Detailed description of the invention
The following provides embodiments of the present invention and describes the present invention with reference to the accompanying drawings.
An anti-counterfeiting image mark comprises a data label and an anti-counterfeiting label, and is called as a universal code due to convenient and wide application. The data label can store data, and the anti-counterfeit label can distinguish true from false. The universal code may be surrounded by a border of a particular color. The universal code may also include a ground tint to conceal the security label.
As shown in fig. 1, the data tag is a two-dimensional code. As shown in fig. 2, the anti-counterfeit label is a miniature rectangle on the data label. The data label stores the coordinates of the anti-counterfeit label. Let the maximum distance between any two points on the data label be q1The minimum distance between any point on the anti-counterfeiting label and any point on the data label is q2Then (q) is2/q1)<0.5. Preferably, (q)2/q1)<0.2。
The coding method of the universal code is as follows:
s1, setting the width w and the height h of a data label image, wherein the unit of w and h is a pixel;
s2, generating proportional coordinates (bx, by) and (cx, cy) of the anti-counterfeiting label by using a random number generation algorithm, wherein bx, by, cx and cy are decimal numbers and represent the proportional coordinates in the data label, bx is more than or equal to 0 and less than 1, by is more than or equal to 0 and less than or equal to cy and less than or equal to 1, (bx × w, by × h) is the coordinates of the upper left corner of the rectangle, (cx × w, cy × h) is the coordinates of the lower right corner of the rectangle, and the coordinates (bx × w, by × h) and the coordinates (cx × w, cy × h) form an anti-counterfeiting rectangular area;
s3, encrypting the proportional coordinates into a password;
s4, adding the server address, the port and the encryption proportion coordinate into data of the data label, and generating a data label image (p) by using the data of the data label;
s5, calculating an anti-counterfeiting rectangular area by using the coordinates (bx × w, by × h) and the coordinates (cx × w, cy × h);
and S6, drawing a fine anti-counterfeiting label in the anti-counterfeiting rectangular area.
Another encoding method for universal codes is as follows:
s1, setting the data capacity of the data label, and selecting a proper two-dimensional code version according to the data capacity. The two-dimensional code version determines the number of module rows r and the number of columns c of the two-dimensional code. And setting the width w and the height h of the two-dimensional code module. The unit of w and h is a pixel.
And S2, generating the module coordinates (ax, ay) of the anti-counterfeiting label by using a random number generation algorithm. ax is a natural number representing the column coordinates. ay is a natural number representing the row coordinate. Wherein, ax is more than or equal to 1 and less than or equal to c, ay is more than or equal to 1 and less than or equal to r.
S3, generating proportional coordinates (bx, by) and (cx, cy) of the anti-counterfeiting label by using a random number generation algorithm, wherein the bx, the by, the cx and the cy are decimal numbers and represent proportional coordinates inside the two-dimensional code module, the bx is more than or equal to 0 and less than the cx and less than 1, the by is more than or equal to 0 and less than the cy and less than 1, (bx × w, by × h) are rectangular upper-left coordinates, and the cx × w, the cy × h) are rectangular lower-right coordinates, and the coordinates (bx × w, by × h) and the coordinates (cx × w, cy × h) form an anti-counterfeiting rectangular area.
And S4, encrypting the module coordinates and the proportional coordinates into a password.
And S5, adding the server address, the port, the encryption module coordinate and the encryption proportion coordinate into the data of the data label. A data tag image p is generated using the data of the data tag.
And S6, determining the two-dimensional code module m where the anti-counterfeiting label is located according to the module coordinates (ax, ay).
And S7, in the two-dimensional code module m, calculating an anti-counterfeiting rectangular area by using the coordinates (bx × w, by × h) and the coordinates (cx × w, cy × h), drawing a fine white rectangular label at the center of the anti-counterfeiting rectangular area if the two-dimensional code module m is a black module, and drawing a fine black rectangular label at the center of the anti-counterfeiting rectangular area if the two-dimensional code module m is a white module.
An anti-counterfeiting method for an anti-counterfeiting image mark comprises the following steps:
s1, the mobile terminal shoots a picture of an image identifier.
And S2, extracting the two-dimensional code image by the mobile terminal.
And S3, decoding the two-dimensional code data by the mobile terminal.
And S4, the mobile terminal analyzes the server address and the port from the two-dimensional code data.
And S5, the mobile terminal sends the picture of the image identifier to a server.
And S6, the server receives the picture of the image identifier and extracts the two-dimensional code image.
And S7, decoding the two-dimensional code data by the server. And the server calculates the width w and the height h of the two-dimensional code module.
S8, the server analyzes the encryption module coordinate and the encryption proportion coordinate from the two-dimensional code data.
And S9, the server decrypts the module coordinate and the proportion coordinate.
And S10, calculating an anti-counterfeiting rectangular area by using the module coordinate, the proportional coordinate, the width w of the two-dimension code module and the height h of the two-dimension code module for the server.
S11, extracting the outline image of the anti-counterfeiting rectangular area by the server.
And S12, the server identifies the rectangular label in the outline image by using a rectangular identification algorithm and then sends the identification result to the mobile terminal.
Another anti-counterfeiting method of the anti-counterfeiting image mark comprises the following steps:
s1, shooting a picture of an image identifier by a mobile terminal;
s2, the mobile terminal extracts a two-dimensional code image;
s3, decoding the two-dimensional code data by the mobile terminal, and calculating the width w and the height h of the two-dimensional code module by the mobile terminal;
s4, the mobile terminal analyzes the encryption proportion coordinate from the two-dimensional code data;
s5, the mobile terminal decrypts the proportional coordinate;
s6, the mobile terminal calculates an anti-counterfeiting rectangular area by using the proportional coordinate, the data label image width w and the data label image height h;
and S7, the mobile terminal identifies the anti-counterfeiting label in the anti-counterfeiting rectangular area by using a pattern identification algorithm and then outputs an identification result.
The mobile terminal can upload the positioning address by shooting the image identifier. The data tag may store product number information. The universal code APP can provide functions of customization, crowd funding, group purchase and the like of the serial number product through the button. The universal code APP can also provide a star vermicelli group for vermicelli communication.
Fig. 3 is a flow chart of the universal code APP. The function options may include "crowd funding", "customization", "group purchase", and the like. The user may select a function and proceed with the purchase order. The universal code APP only needs the mobile terminal to take a picture once, and the anti-counterfeiting, customizing and tracing functions of the product with the image identifier are achieved.
The foregoing description and drawings have disclosed preferred embodiments of the invention. The above-described embodiments should be considered illustrative of the present invention, and not restrictive. The scope of protection of the invention is not limited to the embodiments described above.

Claims (17)

1. An anti-counterfeiting image mark is characterized in that: the image identification comprises a data label and an anti-counterfeiting label, the anti-counterfeiting label is a miniature label, the coordinate of the anti-counterfeiting label can be adjusted, and the coordinate between any two points on the data label is setMaximum distance of q1The minimum distance between any point on the anti-counterfeiting label and any point on the data label is q2Then (q) is2/q1)<0.5。
2. The security image marking according to claim 1, wherein: (q) a2/q1)<0.2。
3. The security image marking according to claim 1, wherein: the data label stores the position information of the anti-counterfeiting label.
4. The security image marking according to claim 1, wherein: the data tag is a two-dimensional code.
5. The security image marking according to claim 1, wherein: the image identifier includes a shading that is used to conceal the security label.
6. The security image marking according to claim 1, wherein: the data label stores the color information of the anti-counterfeiting label.
7. The security image marking according to claim 1, wherein: the data label stores the type information of the anti-counterfeiting label.
8. The security image marking according to claim 1, wherein: the data tag stores product number information.
9. The security image marking according to claim 1, wherein: the data tag stores unique product number information.
10. The anti-counterfeiting image identifier according to claim 3, wherein the image identifier coding method comprises the following steps:
s1, setting the width w and the height h of a data label image, wherein the unit of w and h is a pixel;
s2, generating proportional coordinates (bx, by) and (cx, cy) of the anti-counterfeiting label by using a random number generation algorithm, wherein bx, by, cx and cy are decimal numbers and represent the proportional coordinates in the data label, bx is more than or equal to 0 and less than 1, by is more than or equal to 0 and less than or equal to cy and less than or equal to 1, (bx × w, by × h) is the coordinates of the upper left corner of the rectangle, (cx × w, cy × h) is the coordinates of the lower right corner of the rectangle, and the coordinates (bx × w, by × h) and the coordinates (cx × w, cy × h) form an anti-counterfeiting rectangular area;
s3, encrypting the proportional coordinates into a password;
s4, adding the server address, the port and the encryption proportion coordinate into data of the data label, and generating a data label image (p) by using the data of the data label;
s5, calculating an anti-counterfeiting rectangular area by using the coordinates (bx × w, by × h) and the coordinates (cx × w, cy × h);
and S6, drawing a fine anti-counterfeiting label in the anti-counterfeiting rectangular area.
11. The method of security image identification according to claim 10, characterized by the steps of:
s1, shooting a picture of an image identifier by a mobile terminal;
s2, the mobile terminal extracts a two-dimensional code image;
s3, decoding the two-dimensional code data by the mobile terminal, and calculating the width w and the height h of the two-dimensional code module by the mobile terminal;
s4, the mobile terminal analyzes the encryption proportion coordinate from the two-dimensional code data;
s5, the mobile terminal decrypts the proportional coordinate;
s6, the mobile terminal calculates an anti-counterfeiting rectangular area by using the proportional coordinate, the data label image width w and the data label image height h;
and S7, the mobile terminal identifies the anti-counterfeiting label in the anti-counterfeiting rectangular area by using a pattern identification algorithm and then outputs an identification result.
12. The method of security image identification according to claim 10, characterized by the steps of:
s1, shooting a picture of an image identifier by a mobile terminal;
s2, the mobile terminal extracts a two-dimensional code image;
s3, decoding the two-dimensional code data by the mobile terminal;
s4, the mobile terminal analyzes the server address and the port from the two-dimensional code data;
s5, the mobile terminal sends the picture of the image identifier to a server;
s6, the server receives the picture of the image identifier and extracts a two-dimensional code image;
s7, decoding the two-dimensional code data by the server, and calculating the width w and the height h of the two-dimensional code module by the server;
s8, the server analyzes the encryption proportion coordinate from the two-dimensional code data;
s9, the server decrypts the proportional coordinate;
s10, calculating an anti-counterfeiting rectangular area by the server through the proportional coordinate, the data label image width w and the data label image height h;
and S11, the server identifies the anti-counterfeiting label in the anti-counterfeiting rectangular area by using a pattern identification algorithm, and then sends an identification result to the mobile terminal.
13. The method for preventing forgery of a security image marking according to claim 11 or 12, wherein: the image identification only needs to be photographed by the mobile terminal once, and the anti-counterfeiting and customizing functions of the product with the image identification are realized.
14. The method for preventing forgery of a security image marking according to claim 11 or 12, wherein: the image identification only needs the mobile terminal to take a picture once, and the anti-counterfeiting, customizing and crowd funding functions of the product with the image identification are realized.
15. The method for preventing forgery of a security image marking according to claim 11 or 12, wherein: the image identification can realize the functions of anti-counterfeiting, customization and group purchase of the product with the image identification only by taking a picture by the mobile terminal once.
16. The method for preventing forgery of a security image marking according to claim 11 or 12, wherein: the image identification only needs to be photographed by the mobile terminal once, and the anti-counterfeiting, customizing and tracing functions of the product with the image identification are realized.
17. The method for preventing forgery of a security image marking according to claim 11 or 12, wherein: the mobile terminal can upload the positioning address by shooting the image identifier.
CN202010379584.3A 2020-05-07 2020-05-07 Anti-counterfeiting image identifier and anti-counterfeiting method thereof Pending CN111476334A (en)

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CN104392260A (en) * 2014-12-17 2015-03-04 肖学静 Two-dimensional code anti-counterfeiting method based on additional information
CN206134112U (en) * 2016-08-31 2017-04-26 广州科琳电子科技有限公司 Cloth marks antifalsification label at random
CN106991461A (en) * 2017-03-03 2017-07-28 深圳市中选科技有限公司 A kind of code and its generation method, method for anti-counterfeit
CN110222800A (en) * 2019-04-30 2019-09-10 浙江大学 A kind of two-dimension code anti-counterfeit mark image and its recognition methods based on dot matrix

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060244253A1 (en) * 2003-09-22 2006-11-02 Sinosun Technology (Shen Zhen Ltd.) Texture coding label
CN104392260A (en) * 2014-12-17 2015-03-04 肖学静 Two-dimensional code anti-counterfeiting method based on additional information
CN206134112U (en) * 2016-08-31 2017-04-26 广州科琳电子科技有限公司 Cloth marks antifalsification label at random
CN106991461A (en) * 2017-03-03 2017-07-28 深圳市中选科技有限公司 A kind of code and its generation method, method for anti-counterfeit
CN110222800A (en) * 2019-04-30 2019-09-10 浙江大学 A kind of two-dimension code anti-counterfeit mark image and its recognition methods based on dot matrix

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