CN109948762A - Method and apparatus for generating two dimensional code - Google Patents
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Abstract
The embodiment of the present application discloses the method and apparatus for generating two dimensional code.One specific embodiment of this method includes: to obtain information to be stored；Based on predetermined error-correction level and two dimensional code version, binary data corresponding with information to be stored and error correction code word are determined；Binary data and error correction code word are converted to the data and error correction code word of N scale, wherein N is greater than 2 natural numbers；The data of N scale and error correction code word are filled into coding region；Coding region is masked to generate two dimensional code using mask graph.The embodiment increases the information storage of two dimensional code.
Description
Technical field
The invention relates to field of computer technology, and in particular to Internet technical field, it is more particularly, to raw
At the method and apparatus of two dimensional code.
Background technique
It is in recent years with the two dimensional code that quick response matrix code (Quick Response Code, also known as QR Code) is representative
Come a kind of coding mode to come into vogue, since it can store information in both direction (or dimension), and can deposit
The information such as number, Chinese character, picture are stored up, therefore, two dimensional code is widely used in more and more fields.
The two dimensional code of the prior art usually used geometric figure corresponding with binary digit indicates text and numerical value
Information, and by image input device or scanning device automatically identifying and reading to realize automatically processing for information.
Summary of the invention
The embodiment of the present application proposes the method and apparatus for generating two dimensional code.
In a first aspect, the embodiment of the present application provides a kind of method for generating two dimensional code, two dimensional code includes code area
Domain, this method comprises: obtaining information to be stored；Based on predetermined error-correction level and two dimensional code version, determine with wait store
The corresponding binary data of information and error correction code word；Binary data and error correction code word are converted to the data of N scale
With error correction code word, wherein N is greater than 2 natural numbers；The data of N scale and error correction code word are filled into coding region；Using covering
Mould figure is masked to generate two dimensional code coding region.
In some embodiments, corresponding with information to be stored based on predetermined error-correction level and the determination of two dimensional code version
Binary data and error correction code word, comprising: convert binary code word data for information to be stored；According to predetermined
Error-correction level generate binary error correction code word；By binary code word data and binary error correction code word by predetermined
The pre-defined rule of two dimensional code version carry out interspersed placement, to generate binary data and error correction code word.
In some embodiments, the data of N scale and error correction code word are filled into coding region, comprising: for N carry
Each code word data or error correction code word in the data and error correction code word of system, determine the filling face of the code word data or error correction code word
Color, and identified Fill Color is filled into coding region for the code word data or the pre-set position of error correction code word
Place, wherein the corresponding relationship between the number that N scale uses and Fill Color is preset.
In some embodiments, the data of N scale and error correction code word are filled into coding region, comprising: for N carry
Each code word data or error correction code word in the data and error correction code word of system, determine the filling shape of the code word data or error correction code word
Shape, and identified filling shape is filled into coding region for the code word data or the pre-set position of error correction code word
Place, wherein the corresponding relationship between the number that N scale uses and filling shape is preset.
In some embodiments, the data of N scale and error correction code word are filled into coding region, comprising: for N carry
Each code word data or error correction code word in the data and error correction code word of system, determine the filling material of the code word data or error correction code word
Material, and identified packing material is filled into coding region for the code word data or the pre-set position of error correction code word
Place, wherein the corresponding relationship between the number that N scale uses and packing material is preset.
In some embodiments, coding region is masked to generate two dimensional code using mask graph, comprising: using every
A predetermined pattern figure is masked the module figure of coding region and generates result figure；According to preset condition to each knot
Fruit figure scores, and the result graphic hotsopt two dimensional code minimum based on score value.
In some embodiments, the data of N scale and error correction code word are the data and error correction code word of the quaternary, using every
A predetermined pattern figure is masked the module figure of coding region, comprising:, will for each module figure of coding region
The corresponding code word data of module figure or error correction code word to 2 remainders to determine the first numerical value, by predetermined pattern figure with should
The mask value of the identical module figure in the position of module figure is determined as second value；First numerical value and second value progress is different
Or processing is to determine third value；It is not 0 in response to third value, to the code word data or error correcting code for being filled into the module figure
Word is negated.
Second aspect, the embodiment of the present application provide a kind of for generating the device of two dimensional code, and two dimensional code includes code area
Domain, the device include: acquiring unit, are configured to obtain information to be stored；Determination unit is configured to based on predetermined
Error-correction level and two dimensional code version determine binary data corresponding with information to be stored and error correction code word；Converting unit is matched
Set the data and error correction code word for binary data and error correction code word to be converted to N scale, wherein N is natural greater than 2
Number；Fills unit is configured to the data of N scale and error correction code word being filled into coding region；Mask unit is configured to
Coding region is masked to generate two dimensional code using mask graph.
In some embodiments, determination unit includes: conversion module, is configured to convert binary system for information to be stored
Code word data；Generation module is configured to generate binary error correction code word according to predetermined error-correction level；Interspersed mould
Block is configured to the pre- set pattern by binary code word data and binary error correction code word by predetermined two dimensional code version
Interspersed placement is carried out, then to generate binary data and error correction code word.
In some embodiments, fills unit includes: color filling module, be configured to for N scale data and
Each code word data or error correction code word in error correction code word, determine the Fill Color of the code word data or error correction code word, and by institute
Determining Fill Color is filled into coding region at the code word data or the pre-set position of error correction code word, wherein N
Corresponding relationship between the number that scale uses and Fill Color is preset.
In some embodiments, fills unit include: shape filling module, be configured to for N scale data and
Each code word data or error correction code word in error correction code word, determine the filling shape of the code word data or error correction code word, and by institute
Determining filling shape is filled into coding region at the code word data or the pre-set position of error correction code word, wherein N
Corresponding relationship between the number that scale uses and filling shape is preset.
In some embodiments, fills unit include: material filling module, be configured to for N scale data and
Each code word data or error correction code word in error correction code word, determine the packing material of the code word data or error correction code word, and by institute
Determining packing material is filled into coding region at the code word data or the pre-set position of error correction code word, wherein N
Corresponding relationship between the number that scale uses and packing material is preset.
In some embodiments, mask unit includes: mask module, is configured to using each predetermined pattern figure to volume
The module figure in code region is masked and generates result figure；Generation module is configured to according to preset condition to each knot
Fruit figure scores, and the result graphic hotsopt two dimensional code minimum based on score value.
In some embodiments, the data of N scale and error correction code word are the data and error correction code word of the quaternary, mask mould
Block includes: mask operation submodule, is configured to each module figure for coding region, by the corresponding number of module figure
It, will be identical as the position of the module figure in predetermined pattern figure according to code word or error correction code word to 2 remainders to determine the first numerical value
The mask value of module figure be determined as second value；First numerical value and second value are subjected to exclusive or processing to determine third number
Value；It is not 0 in response to third value, the code word data or error correction code word that are filled into the module figure is negated.
Method and apparatus provided by the embodiments of the present application for generating two dimensional code, it is corresponding with information to be stored by determination
Binary data and error correction code word, and binary data and error correction code word are converted to the data and error correction of N scale
The data of N scale and error correction code word are then filled into coding region by code word, are finally masked generation two to coding region
Code is tieed up, to increase the information storage of two dimensional code.
Detailed description of the invention
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, the application's is other
Feature, objects and advantages will become more apparent upon:
Fig. 1 is that this application can be applied to exemplary system architecture figures therein；
Fig. 2 is the flow chart according to one embodiment of the method for generating two dimensional code of the application；
Fig. 3 is the schematic diagram according to an application scenarios of the method for generating two dimensional code of the application；
Fig. 4 is the flow chart according to another embodiment of the method for generating two dimensional code of the application；
Fig. 5 is the structural schematic diagram according to one embodiment of the device for generating two dimensional code of the application；
Fig. 6 is adapted for the structural schematic diagram for the computer system for realizing the terminal of the embodiment of the present application.
Specific embodiment
The application is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining related invention, rather than the restriction to the invention.It also should be noted that in order to
Convenient for description, part relevant to related invention is illustrated only in attached drawing.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The application is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Fig. 1 shows the method for generating two dimensional code or the device for generating two dimensional code that can apply the application
The exemplary system architecture 100 of embodiment.
As shown in Figure 1, system architecture 100 may include terminal device 101,102,103, network 104 and server 105.
Network 104 between terminal device 101,102,103 and server 105 to provide the medium of communication link.Network 104 can be with
Including various connection types, such as wired, wireless communication link or fiber optic cables etc..
User can be used terminal device 101,102,103 and be interacted by network 104 with server 105, to receive or send out
Send message etc..Various telecommunication customer end applications can be installed, such as two dimensional code is generated/swept on terminal device 101,102,103
Retouch tool, shopping class application, searching class application, instant messaging tools, mailbox client, social platform software etc..
Terminal device 101,102,103 can be various electronic equipments, including but not limited to smart phone, tablet computer,
E-book reader, MP3 player (Moving Picture Experts Group Audio Layer III, dynamic image
Expert's compression standard audio level 3), MP4 (Moving Picture Experts Group Audio Layer IV, dynamic shadow
As expert's compression standard audio level 4) player, pocket computer on knee and desktop computer etc..
Server 105 can be to provide the server of various services, for example, generate and read two dimensional code and provide support
Background server.Server 105 can be analyzed and processed the data such as the information received, and raw based on analysis and processing result
At two dimensional code.
It should be noted that for generating the method for two dimensional code generally by server 105 provided by the embodiment of the present application
It executes, correspondingly, the device for generating two dimensional code is generally positioned in server 105.
It should be understood that the number of terminal device, network and server in Fig. 1 is only schematical.According to realization need
It wants, can have any number of terminal device, network and server.
With continued reference to Fig. 2, the process of one embodiment of the method for generating two dimensional code according to the application is shown
200.The method for being used to generate two dimensional code, comprising the following steps:
Step 201, information to be stored is obtained.
In the present embodiment, the method for generating two dimensional code runs electronic equipment (such as clothes shown in FIG. 1 thereon
Business device) it can be obtained by wired connection mode or radio connection from user terminal (for example, terminal device shown in FIG. 1)
Take the information to be stored on two dimensional code to be stored in.It should be pointed out that above-mentioned radio connection can include but is not limited to
3G/4G connection, WiFi connection, bluetooth connection, WiMAX connection, Zigbee connection, UWB (ultra wideband) connection and
Other currently known or exploitation in the future radio connections.
It should be appreciated that above-mentioned electronic equipment other than obtaining from user terminal wait store information, can also be deposited from local
Reservoir or remote memory obtain information to be stored, when above-mentioned electronic equipment obtains when storing information from local storage, net
Network (for example, network 104 shown in FIG. 1) can be omitted.
Step 202, be based on predetermined error-correction level and two dimensional code version, determine corresponding with information to be stored two into
The data and error correction code word of system.
In the present embodiment, above-mentioned electronic equipment (such as server shown in FIG. 1) can predefine error-correction level and
Then two dimensional code version encodes the information to be stored that step 201 obtains according to error-correction level and two dimensional code version, generate
Binary data and error correction code word.
In order to make two dimensional code be not to lose data when being damaged (for example, partial information missing), error correction is generallyd use
Algorithm generates error correction code word, and after error correction code word is added to code word data, obtains binary data and error correction code word.It presses
According to recoverable code word ratio, error correction can be divided into four kinds of error-correction levels (respectively error-correction level L, M, Q and H), for example, error correction
The code word of grade L corresponding 7% restores ratio, and the code word of error-correction level H corresponding 30% restores ratio, in the embodiment of the present application,
Error-correction level can be the error-correction level that preassigned error-correction level is either defaulted.Two dimensional code has 40 kinds of versions, respectively
The version of 1~edition 4 of version 0, two dimensional code determines the size of two dimensional code, for example, version 1 represents 21 modules × 21 module (these
In, module refers to the graph block that expressing information is used in two dimensional code, hereinafter also referred to module figure) two dimensional code, and edition 40
It represents 177 modules × 177 modules two dimensional code, in the embodiment of the present application, can select accommodate wait store according to error-correction level
The minimum two dimensional code version of information.
Step 203, binary data and error correction code word are converted to the data and error correction code word of N scale, wherein N
For greater than 2 natural numbers.
It in the present embodiment, can be true by step 202 for generating the electronic equipment of the method operation of two dimensional code thereon
Fixed binary data and error correction code word are converted to the data and error correcting code of N scale (for example, the quaternary, octal system etc.)
Word.
Step 204, the data of N scale and error correction code word are filled into coding region.
In the present embodiment, above-mentioned electronic equipment can fill out the data for the N scale that step 203 is converted and error correction code word
It is charged in coding region, here, coding region, which refers in two dimensional code, not to be occupied by functional graphic, for data and error correcting code
The region that word is encoded, functional graphic refer in two dimensional code for positioning the figure with feature identification (for example, position sensing figure
Shape, positioning pattern, correction graph etc.).
Step 205, coding region is masked to generate two dimensional code using mask graph.
In the present embodiment, in order to which the data for coding region of balancedly arranging and error correction code word are to improve the readable of two dimensional code
Property, above-mentioned electronic equipment can be used mask graph and be masked operation to filled coding region, after being then based on mask
Coding region generate two dimensional code.
It is the one of the application scenarios 300 of the method according to the present embodiment for generating two dimensional code with continued reference to Fig. 3, Fig. 3
A schematic diagram.In the application scenarios 300 of Fig. 3, electronic equipment first according to error-correction level and two dimensional code version to acquisition to
Storage information carries out coding and determines binary data and error correction code word, is later converted into binary data and error correction code word
Then the data of the quaternary and error correction code word are filled into coding region (wherein, module by the data and error correction code word of the quaternary
Figure CW1~CW4The number 0~3 used respectively with quaternary coding is corresponding), finally coding region is masked and generates lattice
Formula information (when two dimensional code version is 8~edition 40 of version, going back build version information) and functional graphic, form two dimensional code.
Method provided by the embodiments of the present application for generating two dimensional code, by the way that information to be stored is converted to N scale
Data and error correction code word generate two dimensional code, increase the information storage of two dimensional code.
With further reference to Fig. 4, it illustrates the processes 400 of another embodiment of the method for generating two dimensional code.It should
For generating the process 400 of the method for two dimensional code, comprising the following steps:
Step 401, information to be stored is obtained.
In the present embodiment, the method for generating two dimensional code runs electronic equipment (such as clothes shown in FIG. 1 thereon
Business device) it can be obtained by wired connection mode or radio connection from user terminal (for example, terminal device shown in FIG. 1)
Take the information to be stored on two dimensional code to be stored in.
Step 402, binary code word data is converted by information to be stored.
In the present embodiment, the information to be stored obtained based on step 401, above-mentioned electronic equipment (such as clothes shown in FIG. 1
Business device) coded character set can be determined first, it is then binary system by information coding to be stored according to determining coded character set
Code word data.Here, coded character set may include digital data (for example, number 0~9), alphanumeric data (example
Such as, number 0~9, capitalization A~Z etc.), octet type data (for example, ascii character-set), chinese character (for example,
The character set that GB2312 graphic character code table indicates) etc..
Step 403, binary error correction code word is generated according to predetermined error-correction level.
In the present embodiment, the electronic equipment that the method for generating two dimensional code is run thereon can predefine error correction
Then grade generates error correction code word according to determining error-correction level and binary code word data, wherein according to recoverable code
Word ratio, error correction can be divided into four kinds of error-correction levels, respectively error-correction level L, M, Q and H.
Step 404, by binary code word data and binary error correction code word by predetermined two dimensional code version
Pre-defined rule carries out interspersed placement, to generate binary data and error correction code word.
It in the present embodiment, can be raw by step 402 for generating the electronic equipment of the method operation of two dimensional code thereon
At code word data and step 403 generate error correction code word according to predetermined error-correction level and two dimensional code version requirement into
Row is interspersed to be placed, and binary data and error correction code word are obtained.
Step 405, binary data and error correction code word are converted to the data and error correction code word of N scale, wherein N
For greater than 2 natural numbers.
In the present embodiment, in the present embodiment, the electronic equipment that the method for generating two dimensional code is run thereon can
N scale (for example, the quaternary, octal system etc.) is converted to the binary data and error correction code word that obtain step 404
Data and error correction code word.
Step 406, each code word data or error correction code word in the data for N scale and error correction code word, determining should
The Fill Color of code word data or error correction code word, and identified Fill Color is filled into coding region for the numeric data code
At word or the pre-set position of error correction code word, wherein the corresponding relationship between the number that N scale uses and Fill Color is
It is preset.
In the present embodiment, the method for generating two dimensional code run electronic equipment thereon can preset N into
Corresponding relationship between the position system coding number used and Fill Color, and each code word data is determined based on above-mentioned corresponding relationship
Or the corresponding Fill Color of error correction code word, then determining Fill Color is filled into coding region for the code word data or
In the pre-set module figure of error correction code word.For example, can be preset for the data of the quaternary and error correction code word
Number 0~3 is corresponded with four kind of Fill Color (such as white, red, green, black), in this way, work as a code word data or
It, can be to the code word data or the module filling graph white of error correction code word corresponding position when error correction code word is encoded as 0；When one
When code word data or error correction code word are encoded as 1, it can be filled out to the module figure of the code word data or error correction code word corresponding position
Fill red；..., and so on.
Step 407, it is masked using module figure of each predetermined pattern figure to coding region and generates result figure
Shape.
In the present embodiment, in order to which the data for coding region of balancedly arranging and error correction code word are to improve the readable of two dimensional code
Property, the method for generating two dimensional code runs electronic equipment thereon can be successively using different mask graphs to step
406 filled coding regions are masked operation and generate result figure.
As an example, table one shows common mask graph with reference to (binary system being placed in format information is joined
Examine) and mask graph formation condition, mask graph is by will be in coding region (not including format information and version information)
Those conditions are that genuine module graphic definition is dark and generation.Shown in condition, the line position that i represents module figure is set, j
The column position of module figure is represented, operator is divided exactly in div representative, and mod represents the remainder after dividing exactly.Successively using shown in table one
8 kinds of mask graphs are masked operation to coding region to obtain 8 result figures.
The formation condition of one mask graph of table
In some optional implementations of the present embodiment, the data and error correction code word of N scale are the number of the quaternary
According to error correction code word, be masked using module figure of each predetermined pattern figure to coding region, comprising: for code area
Each module figure in domain will by the corresponding code word data of module figure or error correction code word to 2 remainders to determine the first numerical value
The mask value of module figure identical with the position of the module figure is determined as second value in predetermined pattern figure；By the first number
Value and second value carry out exclusive or processing to determine third value；It is not 0 in response to third value, to being filled into the module figure
Code word data or error correction code word negated.
As an example, it is described in detail by taking the module figure that code word data is 2, Fill Color is green as an example.
Firstly, the quaternary numerical value (that is, 2) of the code word data obtains the first numerical value (that is, 0) 2 remainders, and by mask graph (example
Such as, the mask pattern that binary reference is 000) in mask value (for example, condition is true, mask value 0) at same position make
For second value；Then, the first numerical value and second value carry out XOR operation, third value are obtained, due to third number here
Value is 0, therefore the quaternary numerical value and Fill Color of the code word data of the module figure remain unchanged.And for having the same
Another module figure of code word data and Fill Color, the mask value in mask pattern at same position are 1 (that is, condition is
It is false), so that obtaining third value is 1, therefore can the quaternary numerical value (that is, 2) to the code word data of the module figure negate
(negating here, refer to that step-by-step negates after quaternary numerical value is converted to binary numeral) obtains negated data
Code word (negated quaternary numerical value is 1), and the Fill Color of the module figure is replaced with into negated code word data pair
The Fill Color answered, for example, it is red.
Step 408, it scores according to preset condition each result figure, and raw based on the minimum result figure of score value
At two dimensional code.
In the present embodiment, the electronic equipment that the method for generating two dimensional code is run thereon can be according to preset condition
(for example, the block of the identical module figure composition of the identical module map figurate number of module graphic color adjacent in row/column, color
The ratio of module figure etc. of different colours in size, entire result figure) scored to each result it is (i.e. pre- to meeting
If the module figure of condition is scored), then using the result figure of score value minimum (that is, masking effect is best) as exposure mask after
Figure, while generating format information (when two dimensional code version is 8~edition 40 of version, also build version information) and functional diagram
Shape forms two dimensional code.
Figure 4, it is seen that the side for being used to generate two dimensional code compared with the corresponding embodiment of Fig. 2, in the present embodiment
The process 400 of method highlights the step of being filled into coding region to the data and Error Correction of Coding of N scale.The present embodiment as a result,
The scheme of description can store more information in coding region by using different colors, to increase two dimensional code
Information storage.
Although implementation shown in Fig. 4 is illustrated the situation using different Fill Color filling coding regions, this
Embodiment is not limited to this for application.It should be appreciated that can also be filled by other suitable modes to coding region, ability
The technical staff in domain can be configured according to the needs of practical application scene.
In some embodiments of the present application, the data of N scale and error correction code word are filled into coding region, comprising:
The each code word data or error correction code word in data and error correction code word for N scale, determines the code word data or error correcting code
The filling shape of word, and by identified filling shape be filled into coding region for the code word data or error correction code word it is preparatory
At the position of setting, wherein the corresponding relationship between the number that N scale uses and filling shape is preset.For example,
The filling figure such as circle, triangle, rectangle can be used to indicate that N scale encodes the number used.
In some embodiments of the present application, the data of N scale and error correction code word are filled into coding region, comprising:
The each code word data or error correction code word in data and error correction code word for N scale, determines the code word data or error correcting code
The packing material of word, and by identified packing material be filled into coding region for the code word data or error correction code word it is preparatory
At the position of setting, wherein the corresponding relationship between the number that N scale uses and packing material is preset.For example,
Can be used different packing materials (material that can be detected by special light, for example, reflection infrared ray material,
Reflect the material etc. of ultraviolet light) indicate that N scale encodes the number that uses.It is all compared with Fill Color or filling shape
The wave band gap of such as ultraviolet light, infrared ray light is bigger, therefore, by using can reflect ultraviolet light, infrared ray etc.
The material of light, which generates two dimensional code, can make two dimensional code be easier to distinguish.
In addition, respectively describing in above-described embodiment using any one in Fill Color, filling shape and packing material
It plants to indicate that N scale encodes the number used, but the embodiment of the present application is not limited to this.For example, in some of the application
In embodiment, it can be used at least two in Fill Color, filling shape and packing material to indicate that N scale coding uses
Number (for example, white circle represents 0, white triangles shape represents 1, and black circle represents 2, and black triangle represents 3 etc.),
So as to further increase the information storage of two dimensional code.
In addition, the embodiment of the present application also provides a kind of method for parsing two dimensional code, for parsing above-mentioned each implementation
The two dimensional code generated in example.
The method for being used to parse two dimensional code includes: recognition format information (and version information, if there is version information
Words) determine that the error-correction level of two dimensional code and mask graph refer to (and two dimensional code version)；Use determining mask images reference pair
The mask graph answered carries out exclusive or processing to the module figure of coding region, eliminates mask；According to the filling of module figure, arrangement
Rule recognition module figure, restores the data and error correction code word of the N scale stored on two dimensional code；By N, (N is the nature greater than 2
Number) scale data and error correction code word be converted into binary data and error correction code word；Using corresponding with error-correction level
Error correction codeword detection mistake, if it find that mistake then carries out error correction；Finally binary code word data is decoded to obtain two
The information stored on dimension code.
With further reference to Fig. 5, as the realization to method shown in above-mentioned each figure, this application provides one kind for generating two
One embodiment of the device of code is tieed up, the Installation practice is corresponding with embodiment of the method shown in Fig. 2, which specifically can be with
Applied in various electronic equipments.
As shown in figure 5, the present embodiment includes: acquiring unit 501, determination unit for generating the device 500 of two dimensional code
502, converting unit 503, fills unit 504 and mask unit 505.Wherein, acquiring unit 501 is configured to obtain letter to be stored
Breath；Determination unit 502 is configured to based on predetermined error-correction level and two dimensional code version, and determination is corresponding with information to be stored
Binary data and error correction code word；Converting unit 503 be configured to be converted to binary data and error correction code word N into
The data and error correction code word of position system, wherein N is greater than 2 natural numbers；Fills unit 504 be configured to the data of N scale and
Error correction code word is filled into coding region；And mask unit 505 be configured to using mask graph to coding region be masked with
Generate two dimensional code.
In the present embodiment, wired connection mode can be passed through for generating the receiving unit 501 of the device 500 of two dimensional code
Or radio connection from user terminal (for example, terminal device shown in FIG. 1) obtain to be stored on two dimensional code wait deposit
Store up information.
In the present embodiment, above-mentioned determination unit 502 can predefine error-correction level and two dimensional code version, then basis
The information to be stored that error-correction level and two dimensional code version obtain acquiring unit 501 encodes, generate binary data and
Error correction code word.
In the present embodiment, above-mentioned converting unit 503 can by above-mentioned determination unit 502 determine binary data and
Error correction code word is converted to the data and error correction code word of N scale (for example, the quaternary, octal system etc.).
In the present embodiment, the data for the N scale that above-mentioned fills unit 504 can convert above-mentioned converting unit 503 and
Error correction code word is filled into coding region, and here, coding region, which refers in two dimensional code, not to be occupied by functional graphic, for logarithm
According to the region encoded with error correction code word, functional graphic refer in two dimensional code for position with feature identify figure for example,
Position sensing figure, positioning pattern, correction graph etc.).
In the present embodiment, in order to coding region of balancedly arranging data and error correction code word to improve the readable of two dimensional code
Property, aforementioned mask unit 505 can be used mask graph and be masked operation to filled coding region, be then based on mask
Coding region afterwards generates two dimensional code.
In some optional implementations of the present embodiment, above-mentioned determination unit 502 includes conversion module, generation module
With interspersed module.Wherein, conversion module is configured to convert binary code word data for information to be stored；Generation module is matched
It sets for generating binary error correction code word according to predetermined error-correction level；Interspersed module is configured to binary number
Interspersed placement is carried out by the pre-defined rule of predetermined two dimensional code version according to code word and binary error correction code word, to generate two
The data and error correction code word of system.
In some optional implementations of the present embodiment, above-mentioned fills unit 504 includes color filling module.Its
In, color filling module is configured to the error correction code word of each code word data or error correction code word in the data and to(for) N scale,
It determines the Fill Color of the code word data or error correction code word, and identified Fill Color is filled into be directed in coding region and is somebody's turn to do
At code word data or the pre-set position of error correction code word, wherein corresponding between the number that N scale uses and Fill Color
Relationship is preset.
In some optional implementations of the present embodiment, above-mentioned fills unit 504 includes that shape fills module.Its
In, shape filling module is configured to the error correction code word of each code word data or error correction code word in the data and to(for) N scale,
It determines the filling shape of the code word data or error correction code word, and identified filling shape is filled into be directed in coding region and is somebody's turn to do
At code word data or the pre-set position of error correction code word, wherein corresponding between the number that N scale uses and filling shape
Relationship is preset.
In some optional implementations of the present embodiment, above-mentioned fills unit 504 includes that material fills module.Its
In, material filling module is configured to the error correction code word of each code word data or error correction code word in the data and to(for) N scale,
It determines the packing material of the code word data or error correction code word, and identified packing material is filled into be directed in coding region and is somebody's turn to do
At code word data or the pre-set position of error correction code word, wherein corresponding between the number that N scale uses and packing material
Relationship is preset.
In some optional implementations of the present embodiment, aforementioned mask unit 505 includes mask module and generation mould
Block.Wherein, mask module is configured to be masked and given birth to using module figure of each predetermined pattern figure to coding region
At result figure；Generation module is configured to score to each result figure according to preset condition, and minimum based on score value
Result graphic hotsopt two dimensional code.
In some optional implementations of the present embodiment, the data and error correction code word of N scale are the number of the quaternary
According to error correction code word, mask module includes mask operation submodule.Wherein, mask operation submodule is configured to: for coding
Each module figure in region, by the corresponding code word data of module figure or error correction code word to 2 remainders to determine the first numerical value,
The mask value of module figure identical with the position of the module figure in predetermined pattern figure is determined as second value；By first
Numerical value and second value carry out exclusive or processing to determine third value；It is not 0 in response to third value, to being filled into the module map
The code word data or error correction code word of shape are negated.
The device provided by the embodiments of the present application for being used to generate two dimensional code, by the way that information to be stored is converted to N scale
Data and error correction code word generate two dimensional code, increase the information storage of two dimensional code.
Below with reference to Fig. 6, it illustrates the computer systems for the device/server for being suitable for being used to realize the embodiment of the present application
600 structural schematic diagram.Device/server shown in Fig. 6 is only an example, should not function to the embodiment of the present application and
Use scope brings any restrictions.
As shown in fig. 6, computer system 600 includes central processing unit (CPU) 601, it can be read-only according to being stored in
Program in memory (ROM) 602 or be loaded into the program in random access storage device (RAM) 603 from storage section 608 and
Execute various movements appropriate and processing.In RAM 603, also it is stored with system 600 and operates required various programs and data.
CPU 601, ROM 602 and RAM 603 are connected with each other by bus 604.Input/output (I/O) interface 605 is also connected to always
Line 604.
I/O interface 605 is connected to lower component: the importation 606 including keyboard, mouse etc.；It is penetrated including such as cathode
The output par, c 607 of spool (CRT), liquid crystal display (LCD) etc. and loudspeaker etc.；Storage section 608 including hard disk etc.；
And the communications portion 609 of the network interface card including LAN card, modem etc..Communications portion 609 via such as because
The network of spy's net executes communication process.Driver 610 is also connected to I/O interface 605 as needed.Detachable media 611, such as
Disk, CD, magneto-optic disk, semiconductor memory etc. are mounted on as needed on driver 610, in order to read from thereon
Computer program be mounted into storage section 608 as needed.
Particularly, in accordance with an embodiment of the present disclosure, it may be implemented as computer above with reference to the process of flow chart description
Software program.For example, embodiment of the disclosure includes a kind of computer program product comprising be carried on computer-readable medium
On computer program, which includes the program code for method shown in execution flow chart.In such reality
It applies in example, which can be downloaded and installed from network by communications portion 609, and/or from detachable media
611 are mounted.When the computer program is executed by central processing unit (CPU) 601, limited in execution the present processes
Above-mentioned function.
It should be noted that computer-readable medium described herein can be computer-readable signal media or meter
Calculation machine readable storage medium storing program for executing either the two any combination.Computer readable storage medium for example can be --- but not
Be limited to --- electricity, magnetic, optical, electromagnetic, infrared ray or semiconductor system, device or device, or any above combination.Meter
The more specific example of calculation machine readable storage medium storing program for executing can include but is not limited to: have the electrical connection, just of one or more conducting wires
Taking formula computer disk, hard disk, random access storage device (RAM), read-only memory (ROM), erasable type may be programmed read-only storage
Device (EPROM or flash memory), optical fiber, portable compact disc read-only memory (CD-ROM), light storage device, magnetic memory device,
Or above-mentioned any appropriate combination.In this application, computer readable storage medium can be it is any include or storage journey
The tangible medium of sequence, the program can be commanded execution system, device or device use or in connection.And at this
In application, computer-readable signal media may include in a base band or as carrier wave a part propagate data-signal,
Wherein carry computer-readable program code.The data-signal of this propagation can take various forms, including but unlimited
In electromagnetic signal, optical signal or above-mentioned any appropriate combination.Computer-readable signal media can also be that computer can
Any computer-readable medium other than storage medium is read, which can send, propagates or transmit and be used for
By the use of instruction execution system, device or device or program in connection.Include on computer-readable medium
Program code can transmit with any suitable medium, including but not limited to: wireless, electric wire, optical cable, RF etc. are above-mentioned
Any appropriate combination.
The calculating of the operation for executing the application can be write with one or more programming languages or combinations thereof
Machine program code, described program design language include object oriented program language-such as Java, Smalltalk, C+
+, it further include conventional procedural programming language-such as " C " language or similar programming language.Program code can
Fully to execute, partly execute on the user computer on the user computer, be executed as an independent software package,
Part executes on the remote computer or executes on a remote computer or server completely on the user computer for part.
In situations involving remote computers, remote computer can pass through the network of any kind --- including local area network (LAN)
Or wide area network (WAN)-is connected to subscriber computer, or, it may be connected to outer computer (such as utilize Internet service
Provider is connected by internet).
Flow chart and block diagram in attached drawing are illustrated according to the system of the various embodiments of the application, method and computer journey
The architecture, function and operation in the cards of sequence product.In this regard, each box in flowchart or block diagram can generation
A part of one module, program segment or code of table, a part of the module, program segment or code include one or more use
The executable instruction of the logic function as defined in realizing.It should also be noted that in some implementations as replacements, being marked in box
The function of note can also occur in a different order than that indicated in the drawings.For example, two boxes succeedingly indicated are actually
It can be basically executed in parallel, they can also be executed in the opposite order sometimes, and this depends on the function involved.Also it to infuse
Meaning, the combination of each box in block diagram and or flow chart and the box in block diagram and or flow chart can be with holding
The dedicated hardware based system of functions or operations as defined in row is realized, or can use specialized hardware and computer instruction
Combination realize.
Being described in unit involved in the embodiment of the present application can be realized by way of software, can also be by hard
The mode of part is realized.Described unit also can be set in the processor, for example, can be described as: a kind of processor packet
Include acquiring unit, determination unit, converting unit, fills unit and mask unit.Wherein, the title of these units is in certain situation
Under do not constitute restriction to the unit itself, for example, acquiring unit is also described as " obtaining the list of information to be stored
Member ".
As on the other hand, present invention also provides a kind of computer-readable medium, which be can be
Included in device described in above-described embodiment；It is also possible to individualism, and without in the supplying device.Above-mentioned calculating
Machine readable medium carries one or more program, when said one or multiple programs are executed by the device, so that should
Device: information to be stored is obtained；Based on predetermined error-correction level and two dimensional code version, determination is corresponding with information to be stored
Binary data and error correction code word；Binary data and error correction code word are converted to the data and error correction code word of N scale,
Wherein, N is greater than 2 natural numbers；The data of N scale and error correction code word are filled into coding region；Using mask graph to volume
Code region is masked to generate two dimensional code.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.Those skilled in the art
Member is it should be appreciated that invention scope involved in the application, however it is not limited to technology made of the specific combination of above-mentioned technical characteristic
Scheme, while should also cover in the case where not departing from foregoing invention design, it is carried out by above-mentioned technical characteristic or its equivalent feature
Any combination and the other technical solutions formed.Such as features described above has similar function with (but being not limited to) disclosed herein
Can technical characteristic replaced mutually and the technical solution that is formed.
Claims (10)
1. a kind of method for generating two dimensional code, the two dimensional code include coding region, which comprises
Obtain information to be stored；
Based on predetermined error-correction level and two dimensional code version, determining binary data corresponding with the information to be stored
With error correction code word；
Binary data and error correction code word are converted to the data and error correction code word of N scale, wherein N is certainly greater than 2
So number；
The data of the N scale and error correction code word are filled into the coding region；
The coding region is masked to generate two dimensional code using mask graph.
2. described to be determined based on predetermined error-correction level and two dimensional code version according to the method described in claim 1, wherein
Binary data corresponding with the information to be stored and error correction code word, comprising:
Binary code word data is converted by the information to be stored；
Binary error correction code word is generated according to predetermined error-correction level；
By binary code word data and binary error correction code word by the predetermined of predetermined two dimensional code version
Rule carries out interspersed placement, to generate binary data and error correction code word.
3. described that the data of the N scale and error correction code word are filled into institute according to the method described in claim 2, wherein
State coding region, comprising:
For each code word data or error correction code word in the data and error correction code word of the N scale, the code word data is determined
Or the Fill Color of error correction code word, and identified Fill Color is filled into the coding region for the code word data or
At the pre-set position of error correction code word, wherein the corresponding relationship between the number that N scale uses and Fill Color is preparatory
Setting.
4. described that the data of the N scale and error correction code word are filled into institute according to the method described in claim 2, wherein
State coding region, comprising:
For each code word data or error correction code word in the data and error correction code word of the N scale, the code word data is determined
Or the filling shape of error correction code word, and identified filling shape is filled into the coding region for the code word data or
At the pre-set position of error correction code word, wherein the corresponding relationship between the number that N scale uses and filling shape is preparatory
Setting.
5. described that the data of the N scale and error correction code word are filled into institute according to the method described in claim 2, wherein
State coding region, comprising:
For each code word data or error correction code word in the data and error correction code word of the N scale, the code word data is determined
Or the packing material of error correction code word, and identified packing material is filled into the coding region for the code word data or
At the pre-set position of error correction code word, wherein the corresponding relationship between the number that N scale uses and packing material is preparatory
Setting.
6. according to the method described in claim 1, wherein, the use mask graph is masked with life the coding region
At two dimensional code, comprising:
It is masked using module figure of each predetermined pattern figure to the coding region and generates result figure；
It scores according to preset condition each result figure, and the result graphic hotsopt two dimensional code minimum based on score value.
7. according to the method described in claim 6, wherein, the data and error correction code word of the N scale are the data of the quaternary
With error correction code word,
It is described to be masked using module figure of each predetermined pattern figure to the coding region, comprising:
For each module figure of the coding region, the corresponding code word data of module figure or error correction code word are taken to 2
It is remaining to determine the first numerical value, the mask value of module figure identical with the position of the module figure in predetermined pattern figure is determined
For second value；First numerical value and the second value are subjected to exclusive or processing to determine third value；In response to described
Third value is not 0, is negated to the code word data or error correction code word that are filled into the module figure.
8. a kind of for generating the device of two dimensional code, the two dimensional code includes coding region, and described device includes:
Acquiring unit is configured to obtain information to be stored；
Determination unit is configured to based on predetermined error-correction level and two dimensional code version, the determining and information to be stored
Corresponding binary data and error correction code word；
Converting unit is configured to being converted to binary data and error correction code word into the data and error correcting code of N scale
Word, wherein N is greater than 2 natural numbers；
Fills unit is configured to the data of the N scale and error correction code word being filled into the coding region；
Mask unit is configured to be masked to generate two dimensional code the coding region using mask graph.
9. a kind of device/server, comprising:
One or more processors；
Storage device, for storing one or more programs,
When one or more of programs are executed by one or more of processors, so that one or more of processors are real
The now method as described in any in claim 1-7.
10. a kind of computer readable storage medium, is stored thereon with computer program, wherein described program is executed by processor
Method of the Shi Shixian as described in any in claim 1-7.
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| CN114004320A (en) * | 2021-10-15 | 2022-02-01 | 库卡机器人(广东)有限公司 | Graphic code generation method and device, graphic code identification method and device, and electronic equipment |
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Application publication date: 20190628 |