CN107423799B - Two-dimensional code generating system - Google Patents
Two-dimensional code generating system Download PDFInfo
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- CN107423799B CN107423799B CN201710688701.2A CN201710688701A CN107423799B CN 107423799 B CN107423799 B CN 107423799B CN 201710688701 A CN201710688701 A CN 201710688701A CN 107423799 B CN107423799 B CN 107423799B
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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
- G06K19/06037—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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
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- Record Information Processing For Printing (AREA)
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Abstract
A two-dimensional code generation system that generates a two-dimensional code having an electronic texture, comprising: a receiving unit that receives two-dimensional code information to be printed; a two-dimensional code generation unit that generates a two-dimensional code image to be printed based on the received two-dimensional code information; the storage part stores a preset color image used for matching the two-dimensional code image; a matching part, which determines the rotation angle of the successfully matched color image after clockwise rotating the two-dimensional code image if all the color images in the storage part are not matched with the two-dimensional code image when matching the two-dimensional code image with the color images in the storage part; a print image generating unit that generates a print image based on the successfully matched color image and two-dimensional code image; and a color printing section that performs color printing on the generated print image.
Description
Technical Field
The invention relates to a printing technology, in particular to a two-dimensional code printing technology.
Background
The two-dimensional code is a bar code for recording data symbol information by using black and white smelling figures distributed on a plane (in a two-dimensional direction) according to a certain rule by using a certain specific geometric figure. The method has the advantages of large information capacity, high reliability, flexible coding mode, strong confidentiality and anti-counterfeiting performance and the like.
The two-dimensional code is an information carrier, is also an important method and means for information acquisition and transmission, and can play a role in improving efficiency in various fields. With the popularization of intelligent terminals and the rapid popularization of mobile networks, the two-dimensional code becomes a window of the future data era. The two-dimensional code technology is widely used in the fields of mobile electronic commerce, fast character input, food safety management and the like.
The distance between consumer and the enterprise has been drawn close to in the application of two-dimensional code, has further improved customer responsiveness, extends product and service to terminal customer and binds basic information, company's information etc. and the two-dimensional code of product together, spouts the seal to the packing carton of product, combines cloud database and mobile terminal, not only can realize forging and fighting, and the real-time tracking of product circulation is with traceing back, can also reach the effect of propaganda product. At present, the large-scale and large-batch application of two-dimensional codes in the packaging industry is just started.
At present, the two-dimensional code used conventionally is a black two-dimensional code, the pattern of the two-dimensional code is composed of disordered black and white information points, the two-dimensional code is disordered in shape and is printed on the outer package of a product, the overall appearance design of the product is greatly damaged, and the overall attractive effect of the package is influenced.
The current color two-dimensional code technology is developed on the basis of the black and white two-dimensional code identification technology. In the prior art, the color two-dimensional code is obtained by replacing black with other monochrome colors, and the information amount is not increased. 201310211386.6 discloses a method for printing a color two-dimensional code, which generates color two-dimensional code data by matching a two-dimensional code image with an image stored in advance in an image database to determine a matched color image as an embedded image, in order to make the printed color two-dimensional code more beautiful.
However, the invention patent of 201310211386.6 has a problem that the images stored in the image database are limited, and there may be a case where an image that cannot be matched with the two-dimensional code image exists; meanwhile, the two-dimensional code generated by the method has insufficient anti-counterfeiting performance. The inventor's prior application provides a two-dimensional code generation system capable of solving the technical problem, but when there is no color image matching the two-dimensional code image, it is necessary to rotate all the color images in the storage section and then match them with the two-dimensional code image, which consumes a lot of resources.
Disclosure of Invention
The invention provides a two-dimensional code generation system which generates a two-dimensional code with electronic texture, and comprises a receiving part which receives two-dimensional code information to be printed, a two-dimensional code generation part which generates a two-dimensional code image to be printed based on the received two-dimensional code information, a storage part which stores a preset color image for matching the two-dimensional code image, a matching part which matches the two-dimensional code image with the color image in the storage part and determines the color image which can be displayed in the two-dimensional code image, the matching part comprises a rotating part, a judging part and a calculating part, when the two-dimensional code image is matched with the color image in the storage part, if all the color images in the storage part are not matched with the two-dimensional code image, the rotating part rotates the two-dimensional code image clockwise by 90 degrees, 180 degrees and 270 degrees, the judging part determines whether the two-dimensional code image is matched with the image in the storage part, if the color image which is successfully matched with the rotated two-dimensional code image exists, the calculating part determines α of the two-dimensional code image at the moment, so that the rotation angle of the successfully matched with the color image is β - α, the two-dimensional code image is printed based on the color image, and the color image is printed clockwise.
Preferably, when the matching unit matches the two-dimensional code image with the color image in the storage unit, the matching unit determines whether the color image in the storage unit matches the two-dimensional code image based on a tolerance threshold; when the ratio of the number of the color values of the corresponding modules of the two-dimensional code image and the color image in the storage part, which are inconsistent, to the number of all the modules in the two-dimensional code image is greater than a tolerance threshold value, the judgment part judges that the color image is not matched with the two-dimensional code image; when the ratio of the number of the color values of the corresponding modules of the two-dimensional code image and the color image in the storage part, which are inconsistent, to the number of all the modules in the two-dimensional code image is smaller than a tolerance threshold, the judgment part judges that the color image is matched with the two-dimensional code image.
Preferably, the device further comprises a first random number generator which generates a first random number; a second random number generator that generates a second random number; the storage part also stores array information of preset color images; an electronic texture generating section that determines an array for electronic texture in the matched color image based on the first random number generated by the first random number generator and the array information of the color image stored in the storage section, determines a color of the array for electronic texture based on the second random number generated by the second random number generator and the array information of the color image stored in the storage section, and generates a color image having electronic texture based on the array for electronic texture and the color of the array; the print image generation unit generates a print image based on the rotated color image having the electronic texture and the two-dimensional code image.
To another aspect of the present invention, there is provided a two-dimensional code generation system that generates a two-dimensional code having an electronic texture, including: a receiving unit that receives two-dimensional code information to be printed; a two-dimensional code generation unit that generates a two-dimensional code image to be printed based on the received two-dimensional code information; the storage part stores a preset color image used for matching the two-dimensional code image; a matching unit that matches the two-dimensional code image with the color image in the storage unit and specifies a color image that can be displayed in the two-dimensional code image; a print image generating unit that generates a print image; a color printing section for color printing a print image; further comprising a first random number generator that generates a first random number; a second random number generator that generates a second random number; the storage part also stores array information of preset color images; an electronic texture generating section that determines an array for electronic texture in the matched color image based on the first random number generated by the first random number generator and the array information of the color image stored in the storage section, determines a color of the array for electronic texture based on the second random number generated by the second random number generator and the array information of the color image stored in the storage section, and generates a color image having electronic texture based on the array for electronic texture and the color of the array; the print image generating unit generates a print image based on the color image having the electronic texture and the two-dimensional code image; the array information of the color image stored in the storage part comprises a main array and a secondary array, and the main array and the secondary array form the color image together; the main array forms an alternative image with the area smaller than that of the color image; the matching section reads array information of the color image and matches a candidate image corresponding to the color image with the two-dimensional code image if all the color images in the storage section do not match the two-dimensional code image when matching the two-dimensional code image with the color image in the storage section.
Preferably, the color printing part is provided with a plurality of color nozzles for spraying color images.
Preferably, the array information of the color image further includes an image array partition and a color set corresponding to each array, where the color set includes a main color and a plurality of electronic texture colors.
Preferably, each of the arrays is a single color.
Preferably, the main color and the plurality of electronic texture colors are colors with color values larger than a threshold value, and are both black or white after binarization.
Preferably, the color of the array for the electronic texture determined by the electronic texture generating unit is one of a plurality of electronic texture colors.
Preferably, in the color image having the electronic texture, the image color of the array not used for the electronic texture is the main color of the array stored in the storage section.
Preferably, when the matching unit matches the two-dimensional code image with the color image in the storage unit, the matching unit determines whether the color image in the storage unit matches the two-dimensional code image based on a tolerance threshold, and when a ratio of a number of color values of corresponding modules of the two-dimensional code image and the color image in the storage unit, which are not consistent, to a number of all modules in the two-dimensional code image is greater than the tolerance threshold, the determining unit determines that the color image and the two-dimensional code image are not matched; when the ratio of the number of the color values of the corresponding modules of the two-dimensional code image and the color image in the storage part, which are inconsistent, to the number of all the modules in the two-dimensional code image is smaller than a tolerance threshold, the judgment part judges that the color image is matched with the two-dimensional code image.
Preferably, the tolerance threshold is smaller than the error correction threshold of the two-dimensional code.
Preferably, the tolerance threshold is 2% to 5% smaller than the error correction threshold of the two-dimensional code.
Preferably, the first random number generator generates one or more random numbers aiThe random number AiRange from 1 to the number N of arrays of color images.
Preferably, the second random number generator generates the same number of random numbers B as the first random number generator generatesiThe random number BiArray A of color imagesiThe electronic texture color number of (2).
Preferably, the electronic texture generating section combines the array a in the color imageiIs set as the B-th color in the electronic texture color numberiAnd (4) a color.
Preferably, the received two-dimensional code information includes website information of a network memory.
Preferably, the mobile terminal further comprises an image transmission unit which transmits the print image generated by the print image generation unit to a network memory for verifying the printed two-dimensional code.
Preferably, the color image generating unit embeds the color image having the electronic texture in a two-dimensional code image to generate a print image.
Preferably, the color image in the storage unit and the two-dimensional code image have the same resolution.
Drawings
Fig. 1 is a schematic system structure diagram of a two-dimensional code generation system according to an embodiment of the present invention.
Detailed Description
In order to more clearly illustrate the technical solutions of the present invention, the present invention will be briefly described below by using embodiments, and it is obvious that the following description is only one embodiment of the present invention, and for those skilled in the art, other technical solutions can be obtained according to the embodiments without inventive labor, and also fall within the disclosure of the present invention.
Referring to fig. 1, the two-dimensional code printing generation system according to the embodiment of the present invention includes: the image processing apparatus includes a receiving section 10, a two-dimensional code generating section 20, a storage section 30, a matching section 40, a first random number generator 50, a second random number generator 60, an electronic texture generating section 70, a print image generating section 80, an image transmitting section 90, and a color printing section 100. The matching unit 40 includes a rotation unit 401, a determination unit 402, and a calculation unit 403.
The receiving part 10 is used for receiving two-dimensional code data to be printed, wherein the two-dimensional code data to be printed can be information representing product data, manufacturers, dates and the like, and letters, numbers, characters or character strings formed by combining the letters, the numbers, the characters or the character strings can be used as information representing the information; the two-dimensional code data also comprises a website address of the network memory, and the stored image in the two-dimensional code data can be browsed through the website address.
The two-dimensional Code generation unit 20 may use a conventional two-dimensional Code encoding rule such as QR Code, PDF417, and Code49, and generates a two-dimensional Code image to be printed from the received two-dimensional Code information based on the two-dimensional Code encoding rule.
And the storage part 30 is used for storing a preset color image used for matching the two-dimensional code image, and the stored color image has the same resolution as the two-dimensional code image, namely the size of the basic module in the color image is the same as that of the basic module in the two-dimensional code image. The storage section 30 also stores therein array information of a preset color image including an image array division and a color set corresponding to each array, the color set including a main color and a plurality of electronic texture colors. When the image array is divided, adjacent basic modules with the same color in the image can be divided into the same array. The main color in the color set and the plurality of electronic texture colors are colors having a color value larger than a threshold value, and the threshold value is set so that they are both black or white after binarization.
And a matching unit 40 that matches the two-dimensional code image with the color image stored in the storage unit 30 and specifies a color image that can be displayed in the two-dimensional code image.
The matching unit 40 includes a rotation unit 401, a determination unit 402, and a calculation unit 403. The judging part 402 judges whether the color image is matched with the two-dimensional code image based on the tolerance threshold, and when the ratio of the number of color values of corresponding modules of the two-dimensional code image and the color image in the storage part, which are not consistent, to the number of all modules in the two-dimensional code image is greater than the tolerance threshold, the judging part judges that the color image is not matched with the two-dimensional code image; when the ratio of the number of the color values of the corresponding modules of the two-dimensional code image and the color image in the storage part, which are inconsistent, to the number of all the modules in the two-dimensional code image is smaller than a tolerance threshold, the judgment part judges that the color image is matched with the two-dimensional code image. The tolerance threshold is set based on the error correction threshold of the two-dimensional code, and preferably, the tolerance threshold is 2% -5% smaller than the error correction threshold of the two-dimensional code. For example, when the error correction threshold of the two-dimensional code is 15%, the tolerance threshold may be set to 10% to 13%, and when the error correction threshold of the two-dimensional code is 25%, the tolerance threshold may be set to 20% to 23%.
If all the color images in the storage section 30 do not match the two-dimensional code image, the rotation section 401 rotates the two-dimensional code image clockwise by 90 degrees, 180 degrees, 270 degrees in order, the determination section determines whether or not it matches the color image in the storage section 30, and if there is a color image that matches the rotated two-dimensional code successfully, the calculation section 403 determines the rotation angle α of the two-dimensional code image at that time so that the rotation angle β of the color image that matches successfully becomes- α.
A first random number generator 50 that generates a first random number array; random number A in the first random number arrayiMay be one or more random numbers, random number aiRange from 1 to the number N of arrays of color images. A second random number generator 60 generating a second random number array having the same number of random numbers B as the first random number arrayiThe random number BiArray A of color imagesiThe electronic texture color number of (2).
An electronic texture generating unit 70 for determining an array for electronic texture in the matched color image based on the first random number array generated by the first random number generator 50 and the array information of the color image stored in the storage unit 30, determining the color of the array for electronic texture based on the second random number array generated by the second random number generator 60 and the array information of the color image stored in the storage unit 30, and mapping the array a in the color image to the array aiIs set as the B-th color in the electronic texture color numberiA color; and array A in color imagesiThe color of the other array is set to the dominant color of the array; thereby generating a color image having the electronic texture based on the array for the electronic texture and the color of the array.
The print image generating section 80 embeds the color image rotation angle β having the electronic texture generated by the electronic texture generating section 70 into the two-dimensional code image generated by the two-dimensional code generating section 20 based on the matching result of the matching section to generate a print image, and the image transmitting section 90 transfers the generated print image to the network memory, and verifies the print image stored in the network memory when the printed two-dimensional code is recognized.
A color printing section 100 for color printing a print image; the printed image may be color printed using a conventional color printing apparatus, such as a printing apparatus having a plurality of color nozzles that spray a color image onto the print medium.
With the above embodiment, when there is no matching image in the storage section, the rotation angle of the color image can be determined only by performing rotation matching on the two-dimensional code image, thereby saving system resources and time for matching.
The two-dimensional code generation system of the further improved embodiment of the present invention includes: a receiving unit 10 that receives two-dimensional code information to be printed; a two-dimensional code generation unit 20 that generates a two-dimensional code image to be printed based on the received two-dimensional code information; a storage section 30 that stores a preset color image for matching the two-dimensional code image; a matching unit 40 that matches the two-dimensional code image with the color image in the storage unit and specifies a color image that can be displayed in the two-dimensional code image; a print image generating unit 80 that generates a print image; a color printing section 100 for color printing a print image; a first random number generator 50 that generates a first random number; a second random number generator 60 that generates a second random number; the storage section 30 also stores therein array information of a preset color image; an electronic texture generating section 70 that determines an array for an electronic texture in the matched color image based on the first random number generated by the first random number generator 50 and the array information of the color image stored in the storage section 30, determines a color of the array for the electronic texture based on the second random number generated by the second random number generator 60 and the array information of the color image stored in the storage section 30, and generates a color image having an electronic texture based on the array for the electronic texture and the color of the array; the print image generating unit 80 generates a print image based on the color image having the electronic texture and the two-dimensional code image. The array information of the color image stored in the storage section 30 includes a primary array and a secondary array, which together constitute the color image. The main array forms an alternative image with the area smaller than that of the color image; the portion that does not affect the effect of the body of the color pattern is provided as a sub-array, such as an edge portion or a portion separate from the body, such as a color pattern of a pair of puppies playing a ball, and the ball portion may be provided as a sub-array. The matching section 40 reads array information of the color image and matches a candidate image corresponding to the color image with the two-dimensional code image if all the color images in the storage section do not match the two-dimensional code image when matching the two-dimensional code image with the color image in the storage section. And if the alternative image can be matched with the two-dimensional code image, taking the alternative image as a matched color image.
With the above-described further improved embodiment, even when there is no matching image in the storage section, the image for matching can be further determined without reducing the error tolerance of the printed two-dimensional code image and without changing the angle of the image, so that the two-dimensional code image for printing having a color electronic texture can be generated.
All documents referred to herein are incorporated by reference into this application as if each were individually incorporated by reference. It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (1)
1. A two-dimensional code generation system that generates a two-dimensional code having an electronic texture, comprising: a receiving unit that receives two-dimensional code information to be printed; a two-dimensional code generation unit that generates a two-dimensional code image to be printed based on the received two-dimensional code information; the storage part stores a preset color image used for matching the two-dimensional code image; a matching unit that matches the two-dimensional code image with the color image in the storage unit and specifies a color image that can be displayed in the two-dimensional code image; when the matching part matches the two-dimensional code image with the color image in the storage part, whether the color image in the storage part is matched with the two-dimensional code image is judged based on a tolerance threshold value, and when the ratio of the number of color values of corresponding modules of the two-dimensional code image and the color image in the storage part, which are inconsistent, to the number of all modules in the two-dimensional code image is greater than the tolerance threshold value, the judgment part judges that the color image is not matched with the two-dimensional code image; when the ratio of the number of the color values of the corresponding modules of the two-dimensional code image and the color image in the storage part, which are inconsistent, to the number of all the modules in the two-dimensional code image is smaller than a tolerance threshold value, the judgment part judges that the color image is matched with the two-dimensional code image; the tolerance threshold is set based on an error correction threshold of the two-dimensional code, and is 2% -5% smaller than the error correction threshold of the two-dimensional code; a print image generating unit that generates a print image; a color printing section for color printing a print image; further comprising a first random number generator that generates a first random number; a second random number generator that generates a second random number; the storage part also stores array information of preset color images; an electronic texture generating section that determines an array for electronic texture in the matched color image based on the first random number generated by the first random number generator and the array information of the color image stored in the storage section, determines a color of the array for electronic texture based on the second random number generated by the second random number generator and the array information of the color image stored in the storage section, and generates a color image having electronic texture based on the array for electronic texture and the color of the array; the print image generating unit generates a print image based on the color image having the electronic texture and the two-dimensional code image; the array information of the color image stored in the storage part comprises a main array and a secondary array, and the main array and the secondary array form the color image together; the main array forms an alternative image with the area smaller than that of the color image; the matching section reads array information of the color image and matches a candidate image corresponding to the color image with the two-dimensional code image if all the color images in the storage section do not match the two-dimensional code image when matching the two-dimensional code image with the color image in the storage section.
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