CN105117760A - Method for generating color image two-dimensional code through fusion of two-dimensional code with color image - Google Patents
Method for generating color image two-dimensional code through fusion of two-dimensional code with color image Download PDFInfo
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- CN105117760A CN105117760A CN201510587303.2A CN201510587303A CN105117760A CN 105117760 A CN105117760 A CN 105117760A CN 201510587303 A CN201510587303 A CN 201510587303A CN 105117760 A CN105117760 A CN 105117760A
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Abstract
The invention provides a method for generating a color image two-dimensional code through the fusion of a two-dimensional code with a color image. The method comprises the steps of generating a two-dimensional code based on the information of a to-be-generated two-dimensional code input by a user, pre-processing a to-be-fused image selected by the user, keeping a preset proportional relation between the dimension of the pre-processed image and the dimension of the two-dimensional code, keeping all the parts of the image to be unchanged, reserving the core scanning part of the two-dimensional code when being scanned to ensure the correct scanning of the two-dimensional code, replacing the rest part of the two-dimensional code with the corresponding part of the pre-processed image, and fusing the color image with the two-dimensional code to generate a color image two-dimensional code. In this way, the pre-processed image in the color image two-dimensional code is distributed in the entire/partial region of the two-dimensional code. Based on the above method for fusing the image with the two-dimensional code, the color image is fused into the two-dimensional code. Therefore, on the premise that the two-dimensional code information can be correctly scanned, the visual display and the advertising effect of the two-dimensional code are additionally realized.
Description
Technical field
The invention belongs to Computer Applied Technology field and digital image processing field, be specifically related to a kind of Quick Response Code and colour picture be merged the method generating colour picture Quick Response Code.
Background technology
Quick Response Code, also known as QRcode (QuickResponsecode), is according to certain rules in the chequered with black and white graphic recording data symbol information that plane (on two-dimensional directional) distributes with certain specific geometric figure; Coding utilizes the concept of " 0 ", " 1 " bit stream forming computer-internal logical foundations dexterously, the geometrical body using several corresponding with scale-of-two, to represent word numerical information, is processed to realize information by image input device or photoelectric scanning device automatically identifying and reading: it has some general character of barcode technology automatically: often kind of code system has its specific character set; Each character occupies certain width; There is certain verifying function etc.Also there is the function information automatic identification function of different rows and processing graphics being rotated to change point simultaneously.
Since 1994 by the invention of the DensoWave company of Japan since, Quick Response Code becomes rapidly a kind of in inventory tracking and traffic, manufacture, the widely used recognition methods of retail trade.Due to popularizing of smart mobile phone, and Quick Response Code have can fast decoding and access online resource and have the characteristics such as high power capacity, Quick Response Code is used to various application program, such as access websites, download personal credit card information, the social networks released news, starts phone, replicating video or open text document.This multifunctionality makes them be all a valuable instrument in any industry.But Quick Response Code major defect is that it is on the impact publicizing design esthetics.Shape and the color tolerance of Quick Response Code are limited, and this has had a strong impact on them and has incorporated billboard design or printing material.
Existing also exist some color 2 D codes, such as micro-letter personal information Quick Response Code, Alipay personal information Quick Response Code etc., these color 2 D codes significantly do not change the structure of original " trellis " code block of Quick Response Code, just stiff Quick Response Code after dyeing is imbedded in picture, or imbed in Quick Response Code among a small circle by stiff for picture, both are not organically combined, and pattern is single.
Summary of the invention
For the shape of Quick Response Code and the limited problem of color tolerance, in order to reduce it to the impact publicizing the aesthetics designed, and overcome the reduction to Quick Response Code decoding capability brought thus, the present invention proposes a kind of Quick Response Code and colour picture to be merged the method generating colour picture Quick Response Code, any colour picture and Quick Response Code can be merged and generate diversified fusion Quick Response Code.
Of the present invention Quick Response Code and colour picture are merged the method generating colour picture Quick Response Code, detailed process is as follows:
Step 1, the information that will generate Quick Response Code user inputted generates Quick Response Code;
Step 2, carries out pre-service to the picture that will merge that user chooses, and the size of pretreated picture and described Quick Response Code keeps the proportionate relationship set, and picture each several part color remains unchanged;
Step 3, by retaining the core scanning area of Quick Response Code when being scanned, by the method that remainder replaces by the corresponding part of pretreated picture, described pretreated picture and described Quick Response Code are merged, generate colour picture Quick Response Code, pretreated picture described in described colour picture Quick Response Code merges in whole or in part and is distributed in the region all or in part of described Quick Response Code.
Advantage of the present invention and good effect are: can be fused in Quick Response Code by colour picture, ensureing that 2 D code information can by under the prerequisite that correctly scans, improve the single black and white bandwagon effect of Quick Response Code, the present invention incorporates color and picture makes the displaying of Quick Response Code and the effect of publicity significantly promote, and adds visual presentation and the advertising results of Quick Response Code.
Accompanying drawing explanation
Fig. 1 is the Quick Response Code and pith mark schematic diagram that generate in example of the present invention;
Fig. 2 is the overall flow schematic diagram that the method generating colour picture Quick Response Code is merged in the present invention;
Fig. 3 is by gray scale schematic diagram that the appropriate section in " dark color " module in Quick Response Code and picture merges in example of the present invention;
Fig. 4 is by gray scale schematic diagram that the appropriate section in " light color " module in Quick Response Code and picture merges in example of the present invention;
Fig. 5 is the schematic flow sheet that example of the present invention generates colour picture Quick Response Code;
Fig. 6 is the gray-scale map of the colour picture Quick Response Code that example of the present invention finally generates.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those skilled in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Quick Response Code and colour picture are merged the method generating colour picture Quick Response Code by the present invention, and flow process as shown in Figure 2 and Figure 5, is specifically described the realization of each step below.
Step 1, the information that will generate Quick Response Code user inputted generates Quick Response Code.
The information generating Quick Response Code includes but not limited to the information such as word, numeral, network address.Generating mode includes but not limited to use the storehouses such as Zxing, Zbar.
Step 2, carries out pre-service to the picture that will merge that user chooses, obtains pretreated picture.The picture that will merge described user chosen carries out convergent-divergent, makes the proportionate relationship that the size conforms of the size of pretreated picture and described Quick Response Code sets in advance, and it is constant to retain this picture each several part color.
In the embodiment of the present invention, pre-service is convergent-divergent process, by convergent-divergent process, by the size scaling of figure to Quick Response Code formed objects, as shown in Figure 3.
Step 3, retains Quick Response Code by core scanning area during scanning, picture and Quick Response Code is merged, generate colour picture Quick Response Code.
This step is according to the strategy of core sweep test only retaining each minimum unit module of Quick Response Code, and the method that remainder replaces by the appropriate section of pretreated picture, merges pretreated picture and Quick Response Code.
Retain 3 " location patterns " in Fig. 1, " module " of remainder and the appropriate section in picture are merged.As shown in fig. 1, " module " herein refers to the minimum black and white colour developing unit of the Quick Response Code of generation, and be the minimum unit module of Quick Response Code, " location pattern " refers to and lay respectively at pattern in 2 D code upper left, and the class of upper right and lower-left " returns " word structure.As shown in Figure 3 and Figure 4, each " module " is divided into 3*3 little lattice, if this module is black, then only retaining the little lattice being positioned at middle is black, and all the other 8 little lattice change the appropriate section in pretreated picture into; Same, if this module is white, also only retaining the little lattice being positioned at middle is white, and remainder changes the appropriate section in pretreated picture into.The embodiment of the present invention, as shown in Figure 5, is undertaken warm by Quick Response Code and colour picture, generates color 2 D code.
Should be noted that, the inventive method includes but not limited to the structure each " module " being divided into 3*3, those skilled in the art and professional person should understand and clear, Quick Response Code is when by scanning, for each " module ", in the ideal case, this whole " module " of only having the colouring information of middle pixel to determine its place is scanned into black or white, but there is certain error because of during scanning, so replace with the little lattice of the whole rectangle comprising intermediary image vegetarian refreshments.So, include but not limited to 5*5, the division methods such as 7*7,9*9, namely each " module " can be divided into the little lattice of n*n, n be greater than 2 integer.Require at least to cover this " module " middle pixel with the color lump with " module " same color.When n is the odd number being greater than 2, to the little lattice of middle comprising most intermediary image vegetarian refreshments, the script color of the little lattice of this whole rectangle can be retained, also can with other shape color lumps of black identical with little lattice or white, cover this " module ", and cover middle pixel.When n is the even number being greater than 2,4 little lattice color originally in bosom can be retained, also can cover this " module " with other shape color lumps of black identical with little lattice or white, and cover middle pixel.Color lump shape includes but not limited to circle, star etc.The part of " module " remainder by the same position of pretreated picture is replaced.By above-mentioned process, retain Quick Response Code by core scanning area during scanning, ensure that Quick Response Code can correctly be scanned, and prevent the problem that Quick Response Code decoding capability reduces.
This area leads to technician and is appreciated that all or part of step in the various methods of above-described embodiment can manipulate relevant hardware by program to have come, this program can be stored in computer-readable recording medium, and storage medium can comprise: ROM, RAM, disk or CD etc.
The method that the picture provided the embodiment of the present invention above and Quick Response Code merge and being described in detail, apply specific case to be herein described principle of the present invention and embodiment, the explanation of above embodiment is just for understanding method of the present invention and core concept thereof; Meanwhile, for those skilled in the art, according to thought of the present invention, all can change part in specific embodiments and applications, and in sum, this description should not be construed as limitation of the present invention.
Claims (6)
1. Quick Response Code and colour picture are merged the method generating colour picture Quick Response Code, it is characterized in that, comprising:
The information that will generate Quick Response Code user inputted generates Quick Response Code;
Carry out pre-service to the picture that will merge that user chooses, the size dimension of pretreated picture and described Quick Response Code keeps the proportionate relationship set, and in picture, each several part color remains unchanged;
By retaining the core scanning area of Quick Response Code when being scanned, the method that remainder replaces by the appropriate section of pretreated picture, merges picture and Quick Response Code, generates colour picture Quick Response Code; Pretreated picture described in described colour picture Quick Response Code merges in whole or in part and is distributed in the region all or in part of described Quick Response Code.
2. according to claim 1 Quick Response Code and colour picture are merged the method generating colour picture Quick Response Code, it is characterized in that, described carries out pre-service to the picture that will merge that user chooses, and is that the picture that will merge user chosen carries out convergent-divergent.
3. according to claim 1 and 2, Quick Response Code and colour picture are merged the method generating colour picture Quick Response Code, it is characterized in that, described passes through the core scanning area of reservation Quick Response Code when being scanned, the method that remainder substitutes by the appropriate section of pretreated picture, comprising:
By the upper left in Quick Response Code, upper right and lower-left " location pattern " retain;
To minimum unit module each in Quick Response Code, retain core sweep test, the remainder part of the same position of pretreated picture replaces; Described minimum unit module refers to the minimum black and white colour developing unit of Quick Response Code.
4. according to claim 3 Quick Response Code and colour picture are merged the method generating colour picture Quick Response Code, it is characterized in that, described core sweep test is positioned at the RC pixel of minimum unit module.
5. according to claim 3 Quick Response Code and colour picture are merged the method generating colour picture Quick Response Code, it is characterized in that, described minimum unit module is divided into the little lattice of n*n, n be greater than 2 integer; At least cover the middle pixel of this minimum unit module with the color lump with minimum unit module same color, the part of minimum unit module remainder by the same position of pretreated picture is replaced.
6. according to claim 3 Quick Response Code and colour picture are merged the method generating colour picture Quick Response Code, it is characterized in that, described minimum unit module is divided into the little lattice of 3*3, only retain the little lattice black originally or the color of white that are positioned at middle, all the other 8 little lattice part of the same position of pretreated picture replaces.
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| CN105701529A (en) * | 2016-01-14 | 2016-06-22 | 厦门纳纬信息技术有限公司 | Method of realizing color picture display on two-dimension code |
| CN105718979A (en) * | 2016-01-14 | 2016-06-29 | 厦门纳纬信息技术有限公司 | Method for generating two-dimensional code picture |
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| CN105718980A (en) * | 2016-01-14 | 2016-06-29 | 厦门纳纬信息技术有限公司 | Method for generating two-dimensional code picture |
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| CN105787541A (en) * | 2016-02-04 | 2016-07-20 | 陈绳旭 | Four-dimensional code encoding method and system |
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| CN108734250A (en) * | 2018-05-29 | 2018-11-02 | 西安理工大学 | Vision two-dimensional code generation method based on Sobel operators |
| CN108734250B (en) * | 2018-05-29 | 2021-06-15 | 西安理工大学 | Visual two-dimensional code generation method based on Sobel operator |
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