CN107798372B - Encoding method, decoding method and decoding system of product information dot matrix image - Google Patents
Encoding method, decoding method and decoding system of product information dot matrix image Download PDFInfo
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Abstract
The invention discloses a method for coding a product information dot matrix image, which comprises the following steps: step A1, generating corresponding product codes according to product information, wherein the product codes correspond to the product information one by one and are stored in a server; step A2, acquiring a unit dot matrix image according to the product code, and acquiring a dot matrix image according to the unit dot matrix image; and A3, ink-jet printing the generated dot matrix image on the corresponding product package to obtain the product package with the dot matrix image of the product information. The product information dot matrix image coding method provided by the invention converts the product information into the dot matrix image coding format to be integrated into the product package, so that the product appearance is not influenced, the product information can be effectively prevented from being leaked, the product information is not easy to be imitated, and the product is prevented from being counterfeited. The invention also discloses an application method and a decoding system of the product information dot matrix image, and the application method comprises the encoding method and the dot matrix image decoding method.
Description
Technical Field
The invention relates to a dot matrix coding and decoding technology, in particular to a coding method, a decoding method and a decoding system of a product information dot matrix image.
Background
For the existing products, the product information codes are mainly bar codes and two-dimensional codes, the information capacity of the bar codes and the two-dimensional codes has an upper limit, the bar codes and the two-dimensional codes are not attractive, the appearance of the commodity package is influenced, meanwhile, the coding technology of the bar codes and the two-dimensional codes has strict technical specifications, the bar codes and the two-dimensional codes are not easily combined with the existing anti-counterfeiting technologies such as digital watermarks and the like, and the bar codes and the two-dimensional codes are easy to imitate, are easy to be utilized by lawless persons.
In view of the above, it is necessary to provide a method for encoding a dot matrix image of product information, a method for decoding the dot matrix image of product information, and a system for decoding the dot matrix image of product information, which can solve the above-mentioned drawbacks, so as to convert the product information into an encoding format to generate a dot matrix image, print the dot matrix image on the product package, expand the information capacity of the product information encoding, improve the anti-counterfeiting characteristic of the product information encoding, and combine image processing and recognition technologies to realize the query of the product information.
Disclosure of Invention
The invention aims to provide a product information dot matrix image coding method, a product information dot matrix image decoding method and a product information dot matrix image decoding system, which are used for converting product information into a coding format to generate a dot matrix image, printing the dot matrix image on product packaging, expanding the information capacity of product information coding, improving the anti-counterfeiting characteristic of product information coding, and realizing product information query by combining image processing and identification technologies.
In order to solve the technical problems, the invention adopts the following technical scheme: a method for encoding a product information dot matrix image, the method comprising the steps of:
step A1, generating corresponding product codes according to product information, wherein the product codes correspond to the product information one by one and are stored in a server;
step A2, acquiring a unit dot matrix image according to the product code, and acquiring a dot matrix image according to the unit dot matrix image;
and A3, ink-jet printing the generated dot matrix image on the corresponding product package to obtain the product package with the dot matrix image of the product information.
The further technical scheme is as follows: the unit lattice image includes a positive unit lattice image and a negative unit lattice image, and the step a2 specifically includes the following steps:
step A21, converting the product code into binary data, wherein the binary data is used as the dot matrix code data of the product;
a22, arranging according to 36-bit lattice unit according to lattice coding data to obtain positive unit lattice image;
step A23, performing inverse coding according to the positive unit lattice image to obtain an inverse unit lattice image;
step A24, setting the size of the dot matrix image and the number of the unit dot matrix images according to the preset coding area on the product package, and randomly arranging and combining the positive unit dot matrix image and the negative unit dot matrix image according to the number of the unit dot matrix images to obtain the dot matrix image.
The further technical scheme is as follows: in the step a1, the product information includes efficacy instruction of raw material of the product, product using method, product authenticity information, product circulation channel, product source information, brand effect, product batch and product number.
The further technical scheme is as follows: in the step a1, the product code includes an alphabetical code and a digital code.
In order to solve the above technical problem, the present invention further provides a method for decoding a dot matrix image of product information, wherein the dot matrix image is encoded by using the above encoding method, and the method for decoding the dot matrix image comprises the following steps:
step B1, acquiring a dot matrix image of the product package, and performing image processing and identification according to the dot matrix image to acquire a binary dot matrix image;
b2, decoding according to the binary lattice image to obtain a product code;
and step B3, acquiring corresponding product information according to the product code and the corresponding relation between the product code and the product information in the step A1.
The further technical scheme is as follows: the step B1 specifically includes: and acquiring a dot matrix image of the product package, and performing light removal processing, white balance processing, image sharpening processing, filtering processing, image binarization processing and image contour selection according to the dot matrix image to acquire a binarization dot matrix image corresponding to the dot matrix image.
The further technical scheme is as follows: the step B2 specifically includes: and selecting the corner points of the binarization dot matrix image to obtain a unit dot matrix image, and obtaining a product code according to the unit dot matrix image.
In order to solve the technical problem, the invention also provides a product information dot matrix image decoding system which comprises a dot matrix image, a client and a server, wherein the dot matrix image is printed on a product package and used for inquiring product information, and the server is communicated with the client; the client is used for acquiring the dot matrix image, acquiring the product code according to the dot matrix image and transmitting the product code to the server; and the server is used for acquiring corresponding product information according to the corresponding relation between the product code and the product information stored in the server and the received product code, and sending the corresponding product information to the client for display.
The further technical scheme is as follows: the client comprises an image processing module and a decoding module, wherein the image processing module is used for carrying out image processing and identification according to the dot matrix image, acquiring a binary dot matrix image and sending the binary dot matrix image to the decoding module; and the decoding module is used for carrying out decoding processing according to the received binaryzation dot matrix image to obtain a product code.
The invention has the beneficial technical effects that: the product information dot matrix image coding method provided by the invention generates the corresponding product code according to the product information and generates the corresponding dot matrix image according to the product code so as to be used by a user for inquiring the product information, thereby expanding the information capacity of the product information code and improving the anti-counterfeiting characteristic of the product information code. The decoding system provided by the invention has the advantages that the dot matrix image of the product information on the product package is photographed and obtained through the client, the image processing, the recognition and the decoding are carried out through the client, the product code is obtained and uploaded to the server, the product information is obtained through the server according to the product code and is sent to the client for display, the decoding process is directly completed at the client, the operation is convenient and fast, the reliability is high, and the safety is high.
Drawings
FIG. 1 is a flow chart of a method for encoding a dot matrix image of product information according to the present invention.
Fig. 2 is a flow chart of an embodiment of the encoding method shown in fig. 1.
FIG. 3 is a flowchart of a method for decoding a dot matrix image according to an application method of a dot matrix image of product information.
FIG. 4 is a block diagram of a product information dot matrix image decoding system according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood by those skilled in the art, the present invention is further described with reference to the accompanying drawings and examples. It is to be understood that the following detailed description is only a few embodiments of the present invention, and not all embodiments of the present invention are included in the scope of the present invention.
Referring to fig. 1 and 2, the present invention provides an encoding method of a product information dot matrix image, the encoding method including the steps of:
and A1, generating corresponding product codes according to the product information, wherein the product codes correspond to the product information one by one and are stored in a server.
In this embodiment, in the step a1, the product information includes efficacy specifications of product raw materials, product usage methods, product authenticity information, product circulation channels, product source information, brand effects, product batches, and product numbers, and the product codes correspond to the product information one to one, so that in practical applications, comprehensive acquisition of product information can be achieved.
In this embodiment, in the step a1, the product code includes an alphabetical code and a digital code. The letter codes of the same products in the same batch are the same, and represent that the products have the same effect description of raw materials of the products, the use methods of the products, the authenticity information of the products, the product circulation channels, the brand effect and the product batch; the digital codes of the same products in the same batch are sequentially increased according to the number and represent the product numbers of the products, and the digital codes are unique to the same products. The product coding comprises letter coding and digital coding, so that the coded information is not easy to be confused, the subsequent decoding operation is facilitated, and the decoding reliability is improved. Preferably, the product code comprises a four-digit alphabetic code.
And A2, acquiring a unit dot matrix image according to the product code, and acquiring a dot matrix image according to the unit dot matrix image.
In this embodiment, the unit lattice image includes a positive unit lattice image and a negative unit lattice image, and with reference to fig. 2, the step a2 specifically includes the following steps:
step a21, converting the product code into binary data, wherein the binary data is used as the dot matrix code data of the product.
And A22, arranging the 36-bit lattice cells according to the numerical values and the sequence of the lattice coded data to obtain a positive unit lattice image.
And A23, performing inverse coding according to the positive unit lattice image to obtain an inverse unit lattice image.
Further, the step a23 is specifically: and performing inverse coding according to the position of the array coded dot data of the positive unit dot matrix image and the data, wherein the position of the data is unchanged, the value of the data is changed from 0 to 1, and the value of the data is changed from 1 to 0, so that a corresponding inverse unit dot matrix image is obtained.
Step A24, setting the size of the dot matrix image and the number of the unit dot matrix images according to the preset coding area on the product package, and randomly arranging and combining the positive unit dot matrix image and the negative unit dot matrix image according to the number of the unit dot matrix images to obtain the dot matrix image. The dot matrix images are randomly combined by adopting the positive and negative unit dot matrix images, so that the dot matrix image patterns are diversified and more attractive.
And A3, ink-jet printing the generated dot matrix image on the corresponding product package to obtain the product package with the dot matrix image of the product information. The generated dot matrix image is printed in the preset coding area on the product package, the product package with the dot matrix image of the product information is obtained, the product appearance is not affected, meanwhile, the product information is effectively prevented from being leaked, the digital watermark anti-counterfeiting technology can be combined, the product is not easy to be imitated, and the product counterfeiting is avoided.
Referring to fig. 3, the application method of the product information dot matrix image of the present invention includes an encoding method and a dot matrix image decoding method of the product information dot matrix image, and the dot matrix image decoding method includes the following steps:
and step B1, acquiring a dot matrix image of the product package, and performing image processing and identification according to the dot matrix image to acquire a binary dot matrix image.
In this embodiment, the step B1 specifically includes: and acquiring a dot matrix image of the product package, and performing light removal processing, white balance processing, image sharpening processing, filtering processing, image binarization processing and image contour selection according to the dot matrix image to acquire a binarization dot matrix image corresponding to the dot matrix image.
And B2, decoding according to the binary lattice image to obtain a product code.
In this embodiment, the step B2 specifically includes: and selecting the corner points of the binarization dot matrix image to obtain a unit dot matrix image, and obtaining a product code according to the unit dot matrix image. After the angular points of the binarized dot matrix image are selected, the binarized dot matrix image is rotated and corrected to improve the rate and accuracy of subsequently obtaining the unit dot matrix image, the unit dot matrix image is obtained, and the product code is correspondingly obtained according to the dot matrix code data of the unit dot matrix image according to the code rule of the conversion between the product code of the step A2 and the unit dot matrix image.
And step B3, acquiring product information according to the product code and the corresponding relation between the product code and the product information in the step A1. And uploading the obtained product code to a server, and acquiring corresponding product information according to the corresponding relation between the product code and the product information stored in the server.
Referring to fig. 4, the present invention further provides a product information dot matrix image decoding system 10, where the product information dot matrix image decoding system 10 includes a dot matrix image 110, a client 120, and a server 130.
The dot matrix image 110 is printed on a product package and used for inquiring product information, the server 130 is communicated with the client 120, and the client 120 is used for acquiring the dot matrix image 110, acquiring a product code according to the dot matrix image 110 and transmitting the product code to the server 130; the server 130 is configured to obtain corresponding product information according to the corresponding relationship between the product code and the product information stored therein and the received product code, and send the corresponding product information to the client 120 for display.
The client 120 is installed in an electronic device with a camera function, such as a mobile phone and a tablet computer, and a user acquires the dot matrix image 110 on the product package through the client 120 by using a camera, performs image processing, recognition and decoding on the acquired dot matrix image to acquire a corresponding product code, sends the product code to the server 130, acquires corresponding product information according to a corresponding relationship between the product code and the product information stored in the server 130, and sends the corresponding product information to the client 120 for display. The client 120 displays the product information in a mode including videos, texts, images, 3D models, animation special effects and the like, and the client 120 can also play the product information in a voice mode, so that the product information can be acquired more intuitively through various display modes.
With continued reference to fig. 4, in the present embodiment, the client 120 includes an image processing module 121 and a decoding module 122.
The image processing module 121 is configured to perform image processing and recognition according to the dot matrix image, obtain a binarized dot matrix image, and send the binarized dot matrix image to the decoding module 122; the decoding module 122 is configured to perform decoding processing according to the received binarized dot matrix image, and acquire a product code. The image processing module 121 performs image de-illumination processing, white balance equalization processing, image sharpening processing, image filtering processing, image binarization processing and image contour selection according to the obtained dot matrix image, obtains a binarization dot matrix image corresponding to the dot matrix image, and sends the binarization dot matrix image to the decoding module 122; the decoding module 122 performs corner selection and rotation correction on the binarized dot matrix image to obtain a unit dot matrix image, and obtains dot matrix coded data according to the unit dot matrix image, and decodes the dot matrix coded data to obtain a product code.
In summary, the product information dot matrix image coding method provided by the invention converts the product information into the coding format to generate the corresponding dot matrix image for the user to inquire the product information, so that the information capacity of the product information code is enlarged, the product information is effectively prevented from being leaked, the product information dot matrix image coding method can be combined with the digital watermark anti-counterfeiting technology, and the anti-counterfeiting characteristic of the product information code is improved. The application method of the product information dot matrix image realizes the decoding of the dot matrix image by utilizing the coding method and the dot matrix image decoding method and combining the image processing and identification technology, the dot matrix image decoding method corresponds to the coding method, and the product information of the corresponding product in the storage and server is obtained by adopting an inverse transformation mode, thereby realizing the query of the product information. The decoding system provided by the invention acquires the dot matrix image of the product information on the product package through the client, performs image processing, identification and decoding through the client, acquires the product code and uploads the product code to the server, the server acquires the product information according to the product code and sends the product information to the client for display, and the decoding process is directly completed at the client.
The foregoing is considered as illustrative of the preferred embodiments of the invention and is not to be construed as limiting the invention in any way. Various equivalent changes and modifications can be made by those skilled in the art based on the above embodiments, and all equivalent changes and modifications within the scope of the claims should fall within the protection scope of the present invention.
Claims (8)
1. A method for coding a product information dot matrix image is characterized in that: the encoding method includes the steps of:
step A1, generating corresponding product codes according to product information, wherein the product codes correspond to the product information one by one and are stored in a server;
step A2, acquiring a unit dot matrix image according to the product code, and acquiring a dot matrix image according to the unit dot matrix image;
step A3, according to the generated dot matrix image, ink-jet printing is carried out on the corresponding product package, and the product package with the dot matrix image of the product information is obtained;
wherein the unit lattice image includes a positive unit lattice image and a negative unit lattice image, and the step a2 specifically includes the following steps:
step A21, converting the product code into binary data, wherein the binary data is used as the dot matrix code data of the product;
a22, arranging according to 36-bit lattice unit according to lattice coding data to obtain positive unit lattice image;
step A23, performing inverse coding according to the positive unit lattice image to obtain an inverse unit lattice image;
step A24, setting the size of the dot matrix image and the number of the unit dot matrix images according to the preset coding area on the product package, and randomly arranging and combining the positive unit dot matrix image and the negative unit dot matrix image according to the number of the unit dot matrix images to obtain the dot matrix image.
2. The method for encoding a product information dot matrix image according to claim 1, wherein: in the step a1, the product information includes efficacy instruction of raw material of the product, product using method, product authenticity information, product circulation channel, product source information, brand effect, product batch and product number.
3. The method for encoding a product information dot matrix image according to claim 1, wherein: in the step a1, the product code includes an alphabetical code and a digital code.
4. A method for decoding a dot matrix image of product information, wherein the dot matrix image is encoded by the encoding method of any one of claims 1 to 3, the method comprising the steps of:
step B1, acquiring a dot matrix image of the product package, and performing image processing and identification according to the dot matrix image to acquire a binary dot matrix image;
b2, decoding according to the binary lattice image to obtain a product code;
and step B3, acquiring corresponding product information according to the product code and the corresponding relation between the product code and the product information in the step A1.
5. The method for decoding a product information dot matrix image according to claim 4, wherein the step B1 is specifically as follows: and acquiring a dot matrix image of the product package, and performing light removal processing, white balance processing, image sharpening processing, filtering processing, image binarization processing and image contour selection according to the dot matrix image to acquire a binarization dot matrix image corresponding to the dot matrix image.
6. The method for decoding a product information dot matrix image according to claim 4, wherein the step B2 is specifically as follows: and selecting the corner points of the binarization dot matrix image to obtain a unit dot matrix image, and obtaining a product code according to the unit dot matrix image.
7. A product information dot matrix image decoding system is characterized in that: the product information dot matrix image decoding system comprises a dot matrix image obtained by the product information dot matrix image coding method of any one of claims 1 to 3, a client and a server, wherein the dot matrix image is printed on a product package and used for inquiring product information, and the server and the client are communicated with each other;
the client is used for acquiring the dot matrix image, acquiring the product code according to the dot matrix image and transmitting the product code to the server;
and the server is used for acquiring corresponding product information according to the corresponding relation between the product code and the product information stored in the server and the received product code, and sending the corresponding product information to the client for display.
8. The product information dot matrix image decoding system of claim 7, wherein: the client comprises an image processing module and a decoding module, wherein the image processing module is used for carrying out image processing and identification according to the dot matrix image, acquiring a binary dot matrix image and sending the binary dot matrix image to the decoding module; and the decoding module is used for carrying out decoding processing according to the received binaryzation dot matrix image to obtain a product code.
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| DE102018115146A1 (en) * | 2018-06-24 | 2019-12-24 | Industry365 Ug (Haftungsbeschränkt) | Process for producing security elements that are invisible to the human eye and cannot be copied in an image, and method for verifying the authenticity of products based on the comparison of unequal information and printed image |
| CN112734444A (en) * | 2020-12-30 | 2021-04-30 | 湖南工学院 | Anti-counterfeiting method and system for high-quality agricultural products |
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| CN103793806A (en) * | 2014-02-18 | 2014-05-14 | 立德高科(北京)数码科技有限责任公司 | System and platform based on dot-matrix figures to achieve logistics control |
| CN104680217A (en) * | 2015-01-28 | 2015-06-03 | 付强 | Application method of product information dot matrix coding and decoding system |
| CN105243551A (en) * | 2015-10-12 | 2016-01-13 | 上海应用技术学院 | Anti-counterfeiting dot matrix graphic encoding and decoding method applicable to commodity packaging |
| CN105913103A (en) * | 2016-04-08 | 2016-08-31 | 浙江大学 | Dot matrix anti-counterfeiting code graph and identification method therefor |
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| CN103793806A (en) * | 2014-02-18 | 2014-05-14 | 立德高科(北京)数码科技有限责任公司 | System and platform based on dot-matrix figures to achieve logistics control |
| CN104680217A (en) * | 2015-01-28 | 2015-06-03 | 付强 | Application method of product information dot matrix coding and decoding system |
| CN105243551A (en) * | 2015-10-12 | 2016-01-13 | 上海应用技术学院 | Anti-counterfeiting dot matrix graphic encoding and decoding method applicable to commodity packaging |
| CN105913103A (en) * | 2016-04-08 | 2016-08-31 | 浙江大学 | Dot matrix anti-counterfeiting code graph and identification method therefor |
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