CN107194449B - Printing anti-counterfeiting and information tracing method based on combination of digital watermark and two-dimensional code - Google Patents
Printing anti-counterfeiting and information tracing method based on combination of digital watermark and two-dimensional code Download PDFInfo
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Abstract
The invention discloses a printing anti-counterfeiting and information tracing method based on combination of a digital watermark and a two-dimensional code, wherein in a watermark embedding stage, watermark information is directly embedded into a packing box image and is also used as an encryption key of commodity information in the two-dimensional code and information required by commodity tracing, and the two-dimensional code is superposed on the packing box image; in the watermark extraction stage, watermark information on the packaging box is scanned and extracted through the intelligent mobile terminal APP, authenticity judgment is given, the watermark information is used as a secret key to decrypt information in the two-dimensional code, and then a user payment or tracing jump service and a database server are provided according to the information to perform related information updating. The method is simpler and more feasible to operate, has higher safety performance, and has controllability and traceability.
Description
Technical Field
The invention relates to a digital watermark, a two-dimension code and an encryption technology, in particular to a printing anti-counterfeiting and information tracing method based on the combination of the digital watermark and the two-dimension code.
Background
The rapid development of information brings great convenience to the life of people, but important documents (passports, drivers licenses, certificates, identity cards and bills) and product packages are easy to forge, and lawless persons copy passports, drivers licenses, certificates, bills and product packages through high-quality scanners and printers to struggle violently. Currently, the printing anti-counterfeiting technologies used in the market mainly include material anti-counterfeiting and physical anti-counterfeiting. If special ink and special paper are used for anti-counterfeiting, the material anti-counterfeiting belongs to the material anti-counterfeiting, and the laser imaging anti-counterfeiting belongs to the physical anti-counterfeiting. They are easy to identify and users do not need identification tools, thus being widely used. However, the material and the physical anti-counterfeiting technology also face two challenges, namely, the anti-counterfeiting technology of special ink, paper and laser imaging technology needs additional cost; secondly, the rapid development of the technology leads the anti-counterfeiting performance of special printing ink, paper and laser imaging to be more and more weakened.
Digital watermarking technology is a branch of information hiding theory, and means embedding hidden information in digitized multimedia data (such as images, videos and audios) by using a digital signal processing method, and then extracting or identifying the hidden watermark information by using a special detector or reader. The digital watermarking process is to hide some information which can prove copyright, attribution and the like from the carrier information, and simultaneously, the protected digital object is not influenced. In recent years, with the increasing robustness of digital-to-analog conversion resistance of digital watermarking technology, the application of digital watermarking is not limited to the protection of digital data, and the digital watermarking technology is applied to the printing anti-counterfeiting application of insurance bills, packages and the like. In the application of printing anti-counterfeiting, compared with the traditional material and physical anti-counterfeiting, the digital watermarking technology has high technical content and is difficult to imitate; the watermark information in the digital watermark technology has the concealment, and the confidentiality is high by combining the encryption technology of cryptography; the digital watermarking technology embeds watermark information into digital documents of packages, bills and the like before printing, and then transfers the digital documents to media such as paper and the like along with printing, without needing special materials, increasing printing and printing costs and changing printing processes. With the rapid development of mobile terminals, watermark extraction or identification is not only limited to dedicated devices, but also identification watermark information can be extracted or identified through a specially designed watermark identification APP on a mobile terminal device (such as a smart phone), so that detection is facilitated.
In view of the current commercial requirements, manufacturers and consumers expect that the digital watermark can play a role in printing anti-counterfeiting, and also expect that the watermark information can be detected and the tracing of commodity information (such as the information of the production place and the production date of the commodity) and the functions of commodity purchase, mobile payment and the like can be provided. The capacity of the watermark information embedded by the current digital watermarking technology is relatively limited, and the information quantity is not enough to construct the tracing and purchasing functions of the commodity information. The two-dimension code has large storage information and is widely applied to tracing of commodity information and commodity purchasing, but the two-dimension code technology does not have anti-counterfeiting capability, the anti-counterfeiting effect can be achieved only by scanning with a mobile phone and transmitting the anti-counterfeiting effect to an enterprise commodity information database through a network for matching, and the capability of identifying the authenticity of commodities can not be identified anytime and anywhere.
At present, although there are related prior arts, there are some defects more or less, such as: patents CN1453728A and CN102663600A, etc., rely on the network to transmit the scanning information to the database server for identification and authentication, and cannot perform offline (i.e. without network) authentication; the yellow tea tracing system research (Longchenfeng and the like, the university of Hunan agriculture and university, the natural science edition)) based on the digital watermark-two-dimensional code label is a combination mode of the digital watermark and the two-dimensional code, wherein the digital watermark is embedded into the two-dimensional code of a watermark image; QR two-dimensional code information protection based on digital watermarking technology (electronic technology and software engineering, kyownwei, etc.) is a method of combining a digital watermark and a two-dimensional code, in which two-dimensional code information is embedded in an image as watermark information.
However, the above prior arts have more or less the following disadvantages: the anti-counterfeiting application relies on the network to transmit scanning information to a database server for identifying authenticity, namely the network is required.
Disclosure of Invention
The purpose of the invention is as follows: the invention provides a printing anti-counterfeiting and information tracing method based on the combination of digital watermarking and two-dimensional code aiming at the requirements of anti-counterfeiting and information tracing of some important documents and commodities and the limitations of the application of the digital watermarking technology and the two-dimensional code technology, which can ensure that a user can identify the authenticity of articles (printed products such as labels, certificates, commodity packaging boxes and the like) and obtain related basic information through a mobile terminal under the condition of non-network.
The technical scheme is as follows: the invention discloses a printing anti-counterfeiting and information tracing method based on combination of a digital watermark and a two-dimensional code, which comprises two stages: firstly, anti-counterfeiting information is embedded, and secondly, anti-counterfeiting identification and information tracing are carried out;
the specific flow of the anti-counterfeiting information embedding is as follows:
(1.1) establishing a corresponding database in a database server layer, wherein the database comprises watermark information, commodity numbers, commodity names, commodity tracing information, commodity prices, buying and selling statistical information and authenticity verification information;
(1.2) in an interface layer, establishing a corresponding one-to-one relation between the stored commodity number and the commodity name, the commodity traceability information, the commodity price, the purchase and sale statistical information and the authenticity verification information, wherein one commodity name corresponds to one commodity number, one commodity price and the like;
(1.3) receiving commodity names, commodity packing box images, commodity price information and commodity traceability information provided by commodity enterprises in a web server layer, and then storing the received information in a database server layer;
(1.4) embedding watermark information into a packaging box image provided by a commodity enterprise on a web server layer;
(1.5) at a web server layer, encrypting information consisting of a commodity number, a commodity name, a commodity production place, a commodity production date and a tracing website by using the embedded watermark information as a secret key, and generating a two-dimensional code by using the encrypted information;
(1.6) synthesizing a packaging box image embedded with a watermark and a two-dimensional code image on a web server layer, wherein the synthesized image requires that the watermark identification and the two-dimensional code are not influenced mutually during identification, and finally, the synthesized image is returned to a commodity enterprise;
(1.7) storing the commodity packing box image containing the watermark and the two-dimensional code in a database server layer;
the specific processes of anti-counterfeiting identification and information tracing are as follows:
(2.1) in the application layer, scanning the packaging box by using the intelligent mobile terminal:
if the scanning area does not contain the two-dimensional code area, the corresponding anti-counterfeiting and tracing APP on the intelligent mobile terminal only identifies the authenticity of the commodity;
if the scanning area comprises a two-dimension code area, extracting watermark information by a corresponding anti-counterfeiting and tracing APP on the intelligent mobile terminal to identify authenticity, scanning the two-dimension code to obtain two-dimension code information (the code scanning and the watermark extraction are carried out synchronously), and decoding the two-dimension code information by using the obtained watermark information as a secret key;
(2.2) at an application layer, analyzing the decoded two-dimensional code information to obtain basic information of a commodity name, a production place and a production date for displaying to a holder of the smart phone;
(2.3) at the interface layer, basic information such as commodity names, production places, production dates and the like is displayed, and meanwhile, requests for identifying authenticity query information, sending encrypted two-dimensional code information and increasing authenticity identification times are sent through a database in a mobile network database server layer;
(2.4) at an application layer, analyzing the decoded two-dimensional code information to obtain the commodity name, the serial number and the commodity price information, and providing a function of skip third-party payment;
(2.5) at the interface layer, after payment, switching back to the anti-counterfeiting and tracing APP, and sending a request for increasing the times of buying and selling through a database in the mobile network database server layer;
(2.6) analyzing the decoded two-dimension code information at an application layer to obtain the commodity tracing website information and provide the function of jumping the corresponding tracing webpage (the tracing webpage can display the times of true and false identification and the times of buying and selling);
(2.7) monitoring a request for increasing the authenticity identification and the purchase and sale times sent by the anti-counterfeiting and tracing APP of the application layer and monitoring and obtaining encrypted two-dimensional code information sent by the anti-counterfeiting and tracing APP at the database server layer, then decoding the two-dimensional code information by utilizing watermark information stored in the data to obtain a commodity code, inquiring the database to obtain corresponding data, and adding the authenticity identification times and purchase information.
Further, the data of the web server layer are all stored in a database of the database server layer.
Further, when the packaging box is scanned in the step (2.1), the watermark information and the two-dimension code identification are carried out simultaneously.
Further, the database stores watermark information, commodity numbers, commodity names, commodity production places, commodity generation dates, commodity prices, tracing websites, packaging box images, final anti-counterfeiting tracing packaging box images, authenticity identification records and commodity purchase and sale record information.
Further, the web server obtains commodity name, production place, generation date and price information and packing box images provided by a commodity enterprise; embedding a watermark, encrypting the two-dimension code, producing the two-dimension code, and synthesizing a final anti-counterfeiting and tracing image of the packaging box; and providing the final anti-counterfeiting and tracing image of the packaging box of the commodity enterprise.
Further, the intelligent mobile terminal package comprises an Android client, an IOS client and a web client; and the intelligent mobile terminal scans and identifies the watermark, identifies and decrypts the two-dimension code information, and realizes the authenticity identification of the commodity, the purchase of the commodity and the tracing of the commodity.
Has the advantages that: the invention relates to a printing anti-counterfeiting and information tracing method of a technology combining digital watermarking and two-dimensional codes, wherein in the watermarking embedding stage, watermarking information is directly embedded into a packing box image and also used as an encryption key of commodity information and information required by commodity tracing in the two-dimensional codes, and the two-dimensional codes are superposed on the packing box image; in the watermark extraction stage, watermark information on the packaging box is scanned and extracted through an intelligent mobile terminal (such as a smart phone) APP, authenticity judgment is given, the information in the two-dimensional code is decrypted by using the watermark information as a secret key, and then a user payment or tracing jump service and a database server are provided according to the information to perform related information updating functions. The method specifically comprises the following advantages:
(1) the authenticity identification and the acquisition of the basic information of the commodity can be carried out at any time and any place: in the invention, the watermark in the commodity packaging box can be identified in a non-network state, authenticity identification is carried out, the identified watermark information is used as a key to decode the two-dimensional code information, and the basic information of the commodity is obtained.
(2) Safety: in the invention, the authenticity identification and the application layer of the APP for the anti-counterfeiting and tracing of the basic information of the commodity are carried out, so that the phenomenon that signals are hijacked due to network security factors when a transmission server carries out the authenticity identification can be avoided.
(3) Controllability: in the invention, the commodity enterprise can check the authenticity identification condition, the commodity buying and selling condition and the commodity selling condition of the commodity through the server to obtain the regional analysis of the commodity selling condition, so that the commodity enterprise can effectively master market information and find market problems.
(4) Tracing: in the invention, the consumers of the commodity can obtain the commodity traceability information through the intelligent anti-counterfeiting and traceability APP. The traceability information includes basic information such as the origin and date of production of the product, and dynamic information such as the number of times the product is authenticated and the number of times the product is purchased.
Drawings
FIG. 1 is a schematic view of the process of embedding anti-counterfeit information in the present invention;
FIG. 2 is a schematic view of the process of anti-counterfeit authentication and tracing in the present invention;
FIG. 3 is a detailed flow diagram of an embodiment;
wherein, fig. 3(a) is a schematic diagram of an APP recognition interface; FIG. 3(b) is a schematic diagram of an APP interface after the APP only recognizes watermark information; FIG. 3(c) is a schematic diagram of an APP interface after the APP performs the APP source tracing function; fig. 3(d) is a schematic diagram of a traceability information page.
Detailed Description
The technical solution of the present invention is described in detail below, but the scope of the present invention is not limited to the embodiments.
Example 1:
the printing anti-counterfeiting and information tracing method based on the combination of the digital watermark and the two-dimensional code comprises two stages: firstly, anti-fake information embedding, secondly, anti-fake identification and information tracing
As shown in fig. 1, the process of embedding the anti-counterfeiting information includes:
step S101 establishes an initial database on the database server layer, which includes fields of watermark information (also referred to as key information), commodity enterprise name, commodity number, commodity name, image of the package box of the commodity, commodity price, commodity production date, commodity production place, commodity traceability website, statistical information of times of buying and selling, and statistics of authenticity verification.
Step S102 establishes, at the interface layer, a correspondence between the fields in step S101.
Step S103 firstly provides a web page with membership system to the commodity enterprise at the web server layer, and the commodity enterprise provides basic commodity information such as commodity origin, production date, and related traceability information, and commodity packing box images through the web page. For example, a commodity enterprise logs in a webpage provided by an anti-counterfeiting and tracing technology enterprise according to a user name and a password of a member, fills information such as a commodity name, a production place, a production date and the like in the webpage, and uploads a commodity packing box image; thereafter, a product number and watermark information is automatically generated for the article at the web server level, and then stored in a record in a database that has been established at the database server level.
Step S104, at the web server layer, the automatically generated watermark information is embedded into the packing box image provided by the commodity enterprise.
Step S105, forming a character string by the commodity number, the name, the production place, the production date, the price, the tracing website and the like on a web server layer, encrypting the character string by using AES (Advanced Encryption Standard) Encryption method by using watermark information as a secret key, and then generating a two-dimensional code by using the encrypted information.
Step S106 is to combine the image of the package box with the watermark embedded in step S104 and the two-dimensional code generated in step S105 at the web server layer, and the combined effect is the effect on the display interface in the schematic diagram of the authentication process in fig. 3 (a).
Step S107 returns the image synthesized in step S106 to the commodity company at the web server level. For example, a commodity company logs in a web page via a member, and the image synthesized in step S106 is downloaded on the registered web page and used for printing a package box for a commodity.
As shown in fig. 2, the anti-counterfeit identification and tracing process is as follows:
in this embodiment, the implementation on the APP of the "anti-counterfeit authentication and traceability system" established on the smart phone includes:
step S201 scans the commodity packaging box in the application layer. For example, an "anti-counterfeit authentication and traceability system" APP on the smart phone is started, a package box of the commodity is scanned, and a scanning schematic diagram is shown in fig. 3 (a).
Step S202 is on the application layer, if the scanning area does not contain the two-dimension code area, the authenticity of the commodity is identified only through the watermark information. For example, when the scanned area of APP does not contain the two-dimensional code area, the APP pops up "there is watermark, please scan again! "information box (as shown in fig. 3 (b)) indicates that the product is a non-counterfeit product. And meanwhile, scanning the identified watermark information to serve as a key for AES encryption.
Step S203 is performed on the application layer, if the scanning area includes the two-dimensional code area, the image of the package box and the two-dimensional code are scanned at the same time (i.e., the code scanning and the watermark extraction are performed synchronously), the obtained watermark information is identified as a secret key, and the two-dimensional code information obtained by code scanning is decrypted.
Step S204 decrypts, at the application layer, the two-dimensional code information obtained in step S203 using the watermark obtained in step S203 as a key.
Step S205, at the application layer, analyzes the two-dimensional code information decrypted in step S204, and obtains information such as a commodity name, a place of production, a production date, a price, and a source tracing address, respectively.
In step S206, the product name, the place of manufacture, and the date of manufacture information obtained by the analysis in step S205 are displayed to the consumer in the application layer.
Step S207, at the application layer, parses the information such as the name, number, price, etc. of the obtained product through step S205, and provides a skip third party payment function based on the information.
Step S208 is performed on the application layer, and the obtained tracing website information is analyzed in step S205, so as to provide the function of forwarding the tracing webpage.
The implementation of step S203-step S208 is embodied in an "anti-counterfeiting authentication and traceability system" APP, which is represented as: the APP scans the area containing the two-dimensional code of the packaging box, and if the commodity is a counterfeit, the APP does not scan and has no response; if the commodity is genuine, when the APP pops up that the watermark exists, please scan again! "information box (as shown in fig. 3 (b)), it means that only watermark information is identified in the identification process, and the two-dimensional code is not effectively identified; when the APP pops up with the "XX product! The producing area: XXX; and (3) a delivery period: x month X day X year and the information boxes of the "pay" button and the "trace to source" button (as shown in fig. 3 (c)), this indicates that the watermark information and the two-dimensional code information have been identified, and the two-dimensional code information has been decrypted using the watermark information as a key. When the APP user clicks the 'payment' button, the current 'anti-counterfeiting identification and traceability system' APP jumps to the APP paid by the third party, and the purpose of purchasing commodities through network payment is achieved. When the APP user clicks the 'traceability' button, the current 'anti-counterfeiting identification and traceability system' APP jumps to a webpage containing commodity traceability information. Fig. 3(d) shows a traceability information page, which provides the consumer (i.e. the user of the APP) with information about the number of times the product has been purchased and sold.
Step S209 sends a request for increasing the number of authentication times through the database in the mobile network database server layer while performing step S206 at the interface layer.
Step S210 is at the interface layer, and after step S207 is executed (i.e. after the payment is transferred back to APP), a request for increasing the number of times of buying and selling is sent through the database in the mobile network database server layer.
Step S211 is that a request for increasing the authenticity identification and the times of buying and selling sent by the APP of the application layer is monitored and encrypted two-dimensional code information sent by the APP is monitored and obtained on the database server layer, then the two-dimensional code information is decoded by utilizing watermark information stored in the data to obtain a commodity code, a database is inquired to obtain corresponding data, and the authenticity identification times and the purchase information are added.
It can be seen from the above embodiments that, in the present invention, because the watermark information as the key is hidden in the package, the scanning information can be transmitted to the database server without depending on the network for identification, and the authentication can be performed offline (i.e. without network). A forger cannot know the information of the two-dimensional code, the two-dimensional code information needs to be decoded by taking the watermark information as a key, and the watermark information is directly hidden in the pattern of the packaging box (such as a background image of the two-dimensional code in fig. 3 (a)); that is, it is necessary to identify the digital watermark information in the package box (the digital watermark plays an anti-counterfeit role), decode the two-dimensional code information by using the obtained watermark information as a key, and display the commodity information, obtain the payment information and trace information according to the decrypted two-dimensional code information.
In conclusion, the method is simpler and more feasible to operate and has higher safety performance.
Claims (6)
1. A printing anti-counterfeiting and information tracing method based on combination of digital watermarks and two-dimensional codes is characterized in that: the method comprises two stages: firstly, anti-counterfeiting information is embedded, and secondly, anti-counterfeiting identification and information tracing are carried out;
the specific flow of the anti-counterfeiting information embedding is as follows:
(1.1) establishing a corresponding database in a database server layer, wherein the database comprises watermark information, commodity numbers, commodity names, commodity tracing information, commodity prices, buying and selling statistical information and authenticity verification information;
(1.2) in an interface layer, establishing a corresponding one-to-one relation between the stored commodity number and the commodity name, the commodity traceability information, the commodity price, the buying and selling statistical information and the authenticity verification information;
(1.3) receiving commodity names, commodity packing box images, commodity price information and commodity traceability information provided by commodity enterprises in a web server layer, and then storing the received information in a database server layer;
(1.4) embedding watermark information into a packaging box image provided by a commodity enterprise on a web server layer;
(1.5) at a web server layer, encrypting information consisting of a commodity number, a commodity name, a commodity production place, a commodity production date and a tracing website by using the embedded watermark information as a secret key, and generating a two-dimensional code by using the encrypted information;
(1.6) synthesizing a packaging box image embedded with a watermark and a two-dimensional code image on a web server layer, wherein the synthesized image requires that the watermark identification and the two-dimensional code are not influenced mutually during identification, and finally, the synthesized image is returned to a commodity enterprise;
(1.7) storing the commodity packing box image containing the watermark and the two-dimensional code in a database server layer;
the specific processes of anti-counterfeiting identification and information tracing are as follows:
(2.1) in the application layer, scanning the packaging box by using the intelligent mobile terminal:
if the scanning area does not contain the two-dimensional code area, the corresponding anti-counterfeiting and tracing APP on the intelligent mobile terminal only identifies the authenticity of the commodity;
if the scanning area comprises a two-dimension code area, extracting watermark information by a corresponding anti-counterfeiting and tracing APP on the intelligent mobile terminal to identify authenticity, scanning the two-dimension code to obtain two-dimension code information, and decoding the two-dimension code information by using the obtained watermark information as a secret key;
(2.2) at an application layer, analyzing the decoded two-dimensional code information to obtain basic information of a commodity name, a production place and a production date for displaying to a holder of the smart phone;
(2.3) at the interface layer, basic information such as commodity names, production places, production dates and the like is displayed, and meanwhile, requests for identifying authenticity query information, sending encrypted two-dimensional code information and increasing authenticity identification times are sent through a database in a mobile network database server layer;
(2.4) at an application layer, analyzing the decoded two-dimensional code information to obtain the commodity name, the serial number and the commodity price information, and providing a function of skip third-party payment;
(2.5) at the interface layer, after payment, switching back to the anti-counterfeiting and tracing APP, and sending a request for increasing the times of buying and selling through a database in the mobile network database server layer;
(2.6) analyzing the decoded two-dimensional code information at an application layer to obtain the commodity tracing website information and provide the function of jumping a corresponding tracing webpage, wherein the tracing webpage can display the times of true and false identification and the times of buying and selling;
(2.7) monitoring a request for increasing the authenticity identification and the purchase and sale times sent by the anti-counterfeiting and tracing APP of the application layer and monitoring and obtaining encrypted two-dimensional code information sent by the anti-counterfeiting and tracing APP at the database server layer, then decoding the two-dimensional code information by utilizing watermark information stored in the data to obtain a commodity code, inquiring the database to obtain corresponding data, and adding the authenticity identification times and purchase information.
2. The printing anti-counterfeiting and information tracing method based on the combination of the digital watermark and the two-dimensional code according to claim 1, characterized in that: and the data of the web server layer are stored in a database of the database server layer.
3. The printing anti-counterfeiting and information tracing method based on the combination of the digital watermark and the two-dimensional code according to claim 1, characterized in that: and (3) when the packaging box is scanned in the step (2.1), the watermark information and the two-dimension code identification are carried out simultaneously.
4. The printing anti-counterfeiting and information tracing method based on the combination of the digital watermark and the two-dimensional code according to claim 1, characterized in that: the database stores watermark information, commodity numbers, commodity names, commodity production places, commodity generation dates, commodity prices, tracing websites, packing box images, final anti-counterfeiting tracing packing box images, authenticity identification records and commodity marketing record information.
5. The printing anti-counterfeiting and information tracing method based on the combination of the digital watermark and the two-dimensional code according to claim 1, characterized in that: the web server obtains commodity name, origin, generation date and price information and packing box images provided by a commodity enterprise; embedding a watermark, encrypting the two-dimension code, producing the two-dimension code, and synthesizing a final anti-counterfeiting and tracing image of the packaging box; and providing the final anti-counterfeiting and tracing image of the packaging box of the commodity enterprise.
6. The printing anti-counterfeiting and information tracing method based on the combination of the digital watermark and the two-dimensional code according to claim 1, characterized in that: the intelligent mobile terminal package comprises an Android client, an IOS client and a web client; and the intelligent mobile terminal scans and identifies the watermark, and identifies and decrypts the two-dimensional code information.
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| CN107301230A (en) * | 2017-06-23 | 2017-10-27 | 广州聪明云软件科技有限公司 | Generation method and system, analytic method and system based on Internet of Things article mark |
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