CN105787413B - A kind of localization method and device of Quick Response Code content display region - Google Patents
A kind of localization method and device of Quick Response Code content display region Download PDFInfo
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- CN105787413B CN105787413B CN201610080492.9A CN201610080492A CN105787413B CN 105787413 B CN105787413 B CN 105787413B CN 201610080492 A CN201610080492 A CN 201610080492A CN 105787413 B CN105787413 B CN 105787413B
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- 238000000034 method Methods 0.000 title claims abstract description 26
- 230000004807 localization Effects 0.000 title claims abstract description 21
- 238000003491 array Methods 0.000 claims description 3
- 238000012795 verification Methods 0.000 description 6
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/14—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation using light without selection of wavelength, e.g. sensing reflected white light
- G06K7/1404—Methods for optical code recognition
- G06K7/1408—Methods for optical code recognition the method being specifically adapted for the type of code
- G06K7/1417—2D bar codes
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/14—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation using light without selection of wavelength, e.g. sensing reflected white light
- G06K7/1404—Methods for optical code recognition
- G06K7/1439—Methods for optical code recognition including a method step for retrieval of the optical code
- G06K7/1443—Methods for optical code recognition including a method step for retrieval of the optical code locating of the code in an image
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Abstract
The present invention provides a kind of localization method of Quick Response Code content display region, the content display region of Quick Response Code is divided into more sub-regions, the positioning color lump fills the subregion generation using RGB color, determine the viewing area of content to be displayed, according to the viewing area of the content to be displayed and default positioning relation, it is determined that the RGB color code and positional information of positioning color lump, the positioning relation refers to the viewing area of content to be displayed and the RGB color code including positioning color lump and the corresponding relation of the two-dimensional array of positional information, according to the RGB color code of the positioning color lump of determination and positional information display positioning color lump, and show content to be displayed information in viewing area.The present invention solves the problems, such as that the content information viewing area positioning security of Quick Response Code present in prior art is relatively low, and the safe class of content information can be carried by improving Quick Response Code.
Description
Technical field
The present invention relates to planar bar code technology field, and in particular to a kind of localization method and dress of Quick Response Code content display region
Put.
Background technology
Quick Response Code is in plane (two-dimensional directional) identifying recording layer with certain specific set figure according to certain rule
Symbolic information, because it has, information capacity is big, coding range is wide, fault-tolerant ability is strong, decoding reliability is high, while cost is low, easy
The characteristics of making, in today that internet and mobile device are popularized, application of the Quick Response Code in each field is led to increasingly increasing
Often, Quick Response Code is by placing fixed positioning figure in FX, for showing content information data in two-dimension code pattern
Particular location, read using Quick Response Code after instruction of the equipment by positioning figure read content information data, further
Content information data is decrypted, you can decode information, the reception and registration of the higher information of security requirement can not be realized, make two dimension
Code is restricted in the application of some area of security such as bank, security department etc..
How confidentiality that Quick Response Code content information in two-dimension code pattern position fundamentally is solved, and improving Quick Response Code can
The safe class of information is carried, is planar bar code technology field urgent problem to be solved.
The content of the invention
The technical problems to be solved by the invention are to be directed to the drawbacks described above in the presence of prior art, there is provided a kind of two dimension
The localization method and device of digital content viewing area, to solve the content information viewing area of Quick Response Code present in prior art
The problem of domain positioning security is relatively low, the safe class of content information can be carried by improving Quick Response Code.
To achieve the above object, the present invention provides a kind of localization method of Quick Response Code content display region, including：
Determine the viewing area of content to be displayed；
According to the viewing area of the content to be displayed and default positioning relation, it is determined that the RGB color generation of positioning color lump
Code and positional information, the positioning relation refer to RGB color code of the viewing area of content to be displayed with including positioning color lump
With the corresponding relation of the two-dimensional array of positional information, the positioning color lump fills the subregion generation using RGB color；
According to the RGB color code of the positioning color lump of determination and positional information display positioning color lump, and show in viewing area
Show content to be displayed information.
To achieve the above object, the present invention provides a kind of positioner of Quick Response Code content display region, including：
Input module, for determining the viewing area of content to be displayed；
Locating module, for the viewing area according to the content to be displayed and default positioning relation, it is determined that positioning color
The RGB color code and positional information of block, the positioning relation refer to the viewing area of content to be displayed with including positioning color lump
RGB color code and positional information two-dimensional array corresponding relation, the positioning color lump fills the son using RGB color
Area generation；
Display module, for the RGB color code and positional information display positioning color lump of the positioning color lump according to determination, and
Content to be displayed information is shown in viewing area.
The localization method and device of a kind of Quick Response Code content display region provided by the invention, by the color for positioning color lump
Code and positional information composition two-dimensional array, using the two-dimensional array come the viewing area of given content information, can not such as lead to
Cross the color code of positioning color lump and positional information obtains the viewing area of its corresponding content information, can not just extract content
Information, also further content information can not just be decoded, improve the safe class of information entrained by Quick Response Code.
Brief description of the drawings
For the technical scheme in the clearer explanation embodiment of the present invention, make required in being described below to embodiment
Accompanying drawing, which is done, simply to be introduced, it should be apparent that, drawings in the following description are some embodiments of the present invention, for ability
For the those of ordinary skill of domain, on the premise of not paying creative work, it can also be obtained according to these accompanying drawings other attached
Figure.
Fig. 1 is that a kind of effect of localization method first embodiment of Quick Response Code content display region provided by the invention is illustrated
Figure；
Fig. 2 is that a kind of flow of localization method first embodiment of Quick Response Code content display region provided by the invention is illustrated
Figure；
Fig. 3 is that a kind of flow of localization method second embodiment of Quick Response Code content display region provided by the invention is illustrated
Figure；
Fig. 4 is a kind of structural representation of the positioner of Quick Response Code content display region provided by the invention.
Embodiment
To make those skilled in the art more fully understand technical scheme, with reference to the accompanying drawings and examples to this
Invention is described in further detail.Obviously, described embodiment is part of the embodiment of the present invention, rather than whole implementation
Example.Based on the embodiment in the present invention, what those of ordinary skill in the art were obtained under the premise of creative work is not made
Every other embodiment, belongs to the scope of protection of the invention.
Intuitively to describe the present invention, the effect of the present invention is showed first with Fig. 1.Quick Response Code is divided into netted son
Region, as shown in figure 1, the size of the netted subregion can be adjusted according to the resolution ratio of two-dimentional decoding apparatus, first
By the use of the specific subregion of color filling as positioning color lump, color lump color code and positional information composition positioning color lump are positioned
Two-dimensional array (illustrated using RGB color code, intuitively to illustrate method of the present invention, the present invention does not arrange
Except other color codes), any number of such as two-dimensional array of composition positioning color lump changes, such as a number only in color code
A coordinate value in word change or positional information changes, and is different positioning color lumps.By the two-dimensional array for positioning color lump
Corresponded with a viewing area, realize the positioning of content information, described viewing area includes some all subregions, and its is big
Small and position can specify as required.
Next, illustrate method of the invention using embodiment is specifically put into.
Fig. 2 is that a kind of flow of localization method first embodiment of Quick Response Code content display region provided by the invention is illustrated
Figure, the localization method of the Quick Response Code content display region of the first embodiment comprise the following steps：
Step 101：Determine the viewing area of content to be displayed.
Specifically, the viewing area for determining content to be displayed is inputted according to user, specifically can be according to the content to be displayed
Number or significance level, determine the magnitude range and particular location of viewing area.
The present invention provides a kind of preferable scheme, it may be determined that at least two viewing areas, for showing in be shown
Hold, when alloing at least two viewing area same Quick Response Code to carry at least two entirely different information, believe
It unrelated can respectively be used between breath, realize the compound use of Quick Response Code.
Step 102：According to the viewing area of the content to be displayed and default positioning relation, it is determined that positioning color lump
RGB color code and positional information.
Specifically, the positioning relation refers to RGB color generation of the viewing area of content to be displayed with including positioning color lump
The corresponding relation of code and the two-dimensional array of positional information, Fig. 1 show the corresponding pass of three positioning color lumps and a viewing area
System, the two-dimensional array of three positioning color lump are:
As shown in figure 1, the coordinate that arrow indicates in three positioning color lump corresponding diagrams one is【(11,9) (11,16) (20,16)
(20,9)】Viewing area, three positioning color lumps are respectively：
Positioned at the red color lump that (4,26) position color code is (255,0,0)；
Positioned at the green color lump that (9,26) position color code is (0,255,0)；
Positioned at the blue color lump that (4,19) position color code is (0,0,255).
The color code and its location coordinate information and the corresponding relation of viewing area of three positioning color lump as described above
It is unique.
Preferable corresponding relation provided by the invention, including a viewing area are determined with the first of a positioning two-dimensional array
Position relation, and/or a viewing area and the second positioning relation of multiple positioning two-dimensional arrays.That is, the first positioning relation is only adopted
With a positioning color lump locating and displaying region, the second positioning relation is using at least two positioning color lump locating and displaying regions, and first
Positioning relation and the second positioning relation can also exist simultaneously, can preset the positioning relation as needed.
It is any in the first positioning relation when default positioning relation includes the first positioning relation and the second positioning relation
Positioning two-dimensional array differs with any positioning two-dimensional array in the second positioning relation.That is, in default positioning relation both
It is any one also during a viewing area corresponding including multiple positioning color lumps including a corresponding viewing area of positioning color lump
Color code on individual coordinate position can only occur once.For example, in Fig. 1 positioned at (4,26) position color code for (255,0,
0) red color lump, after occurring in the positioning relation that three position the corresponding viewing area of color lump, same default
In positioning relation, it is impossible in the first corresponding relation that one positions the corresponding viewing area of color lump or other multiple color lumps pair
Answer and occur again in the second positioning relation of a viewing area, to ensure the uniqueness of corresponding relation.
Step 103：According to the RGB color code of the positioning color lump of determination and positional information display positioning color lump, and aobvious
Show that region shows content to be displayed information.
Specifically, exported according to the positioning color lump and content to be displayed that determine, when region to be shown not only
At one, show respectively.
A kind of localization method for Quick Response Code content display region that the present embodiment provides, has only known content to be displayed
Viewing area and RGB color code and the corresponding relation of the two-dimensional array of positional information including positioning color lump, could further
The effective content information carried in extraction Quick Response Code is further decoded, and drastically increases safety of 2 D code information etc.
Level, its viewing area can also be arbitrarily designated as needed, improve the use friendliness of Quick Response Code, support at least two displays
Region is used for display content information, improves the multiplicity that Quick Response Code carries information.
Fig. 3 is that a kind of flow of localization method second embodiment of Quick Response Code content display region provided by the invention is illustrated
Figure, a kind of flow of the localization method second embodiment of Quick Response Code content display region provided by the invention comprise the following steps：
Step 201：Determine the viewing area of content to be displayed.
It is identical with abovementioned steps 101, repeat no more.
Step 201：It is determined that the RGB color code and positional information of positioning color lump.
It is identical with abovementioned steps 102, repeat no more.
Step 203：Generate encrypted state information and the positioning color lump is adjusted according to default key.
Specifically, a kind of preferable method provided by the invention is, can basis on the basis of the positioning color lump of generation
Default key is further encrypted to positioning color lump, by by the positioning color lump two-dimensional array in corresponding relation, utilization
The positioning color lump after adjustment is calculated in specific AES, and the positioning color lump after adjustment changes color code and/or position
Confidence cease, when being decoded to Quick Response Code, it is necessary to or described particular encryption algorithm can just draw correct corresponding relation.
Further improve the safe class of positioning color lump.
Positioning color lump after the adjustment that AES is calculated is represented, it is necessary to export encrypted state information simultaneously
Calculating is first decrypted in the positioning color lump for whether needing to scan, correctly can be used for searching determining for corresponding relation
Position color lump two-dimensional array, could further carry out the positioning of viewing area.As described in preceding step 102, determine in corresponding relation
The restrictive condition identical of position color lump occurrence number is the two-dimensional array of any positioning color lump after computations adjust,
Can not be identical with the random two-dimensional array in corresponding relation before.
AES described herein can use algorithm commonly used in the art, it is to be understood that encryption herein also may be used
To replace with other technological means such as verification, so as to realize a variety of applications of positioning color lump.
Step 204：Random generation redundancy color lump.
Specifically, it is to generate on the basis for positioning color lump that the present invention, which also provides a kind of preferable mode, random generation
Redundancy color lump, for being disturbed or being carried the other information such as verification encryption to positioning color lump.When redundancy color lump is served only for disturbing
When, it can generate at random, it is necessary to superfluous in generation by verification or AES when for other information such as carrying verification encryptions
Remaining color lump.Similarly, the two-dimensional array of redundancy color lump is with the two-dimensional array of default positioning color lump or after computations adjust
The random two-dimensional array of positioning color lump differ.
When being parsed to Quick Response Code, when any combination for the N number of positioning color lump for containing redundancy color lump does not occur
In default positioning relation, it is necessary to remove one of positioning color lump in order, then times by remaining N-1 positioning color lump
Meaning combination searched, such as can not, then remove another positioning color lump by remaining N-1 positioning color lump any combination progress
Search, remove any one positioning color lump when all not finding corresponding relation, then remove two positioning color lumps and repeat above-mentioned steps
Suddenly, untill correct corresponding relation is found out.
Step 205：Positioning color lump, redundancy color lump and encrypted state information after display adjustment, and shown in viewing area
Content to be displayed information.
Shown according to the positioning color lump after adjustment and the color code and positional information of redundancy color lump, while show and add
Close status information, and show content to be displayed information in viewing area.
A kind of localization method for Quick Response Code content display region that the present embodiment is provided, utilizing the color for positioning color lump
On the basis of the two-dimensional array of code and positional information composition is corresponded with viewing area, encryption or school are further utilized
Checking method is adjusted to positioning color lump, the positioning color lump after adjustment can be used for encryption to content information or positioning relation or
Verification, meanwhile, the present embodiment is also disturbed positioning color lump using the redundancy color lump generated at random, in the application of positioning color lump
On basis, the security classification of the present invention is further increased.
Fig. 4 is a kind of structural representation of the positioner of Quick Response Code content display region provided by the invention, the present invention
A kind of positioner of the Quick Response Code content display region provided includes：
Input module 31, for determining the viewing area of content to be displayed；Specifically for determining that at least two is to be shown interior
The viewing area of appearance.
Locating module 32, for the viewing area according to the content to be displayed and default positioning relation, it is determined that positioning
The RGB color code and positional information of color lump, the positioning relation refer to the viewing area of content to be displayed with including positioning color
The corresponding relation of the RGB color code of block and the two-dimensional array of positional information, the positioning color lump is using described in RGB color filling
Subregion generates；Specifically for the first positioning relation including a viewing area with a positioning two-dimensional array, and/or one
Viewing area and the second positioning relation of multiple positioning two-dimensional arrays；When the positioning relation includes the first positioning relation and second
During positioning relation, any positioning two-dimensional array in any positioning two-dimensional array and the second positioning relation in the first positioning relation
Differ.
Adjusting module 33, specifically for generating encrypted state information；According in the default key adjustment positioning color lump
RGB color code and/or positional information；RGB color code and positional information in the positioning color lump after adjustment, instruction
Positioning color lump and the encrypted state information after the display adjustment of display module 35, and content to be displayed letter is shown in viewing area
Breath.
Randomized blocks 34, specifically for random generation redundancy color lump, the redundancy color lump and color code and positional information
It is different with the color code and positional information of the positioning color lump；According to determination positioning color lump RGB color code and
The positional information instruction display of display module 35 positioning color lump and redundancy color lump, and show content to be displayed information in viewing area.
Display module 35, RGB color code and positional information display positioning color lump for the positioning color lump according to determination
Or the positioning color lump after adjustment, redundancy color lump, encrypted state information, and show content to be displayed information in viewing area.
A kind of positioner for Quick Response Code content display region that the present embodiment is provided, the viewing area inputted according to user
Domain, closed using the two-dimensional array of the default color code including positioning color lump and positional information composition is corresponding with viewing area
System, and further positioning color lump is adjusted using encryption or checking algorithm, the positioning color lump after adjustment can be used for internal
Hold the encryption or verification of information or positioning relation, meanwhile, also positioning color lump is done using the redundancy color lump generated at random
Disturb, on the application foundation of positioning color lump, further increase the security classification of the present invention, decoded to Quick Response Code
When, it is necessary to exclude redundancy color lump, calculating is decrypted to the positioning color lump being adjusted, obtains the two dimension of correctly positioning color lump
After array, the two-dimensional array of obtained positioning color lump could be utilized to navigate to viewing area, extract content information.It is of the present invention
Device, can be widely applied to require higher field to security classification.
In several embodiments provided herein, it should be understood that disclosed method, apparatus and system, can be with
Realize by another way.For example, device embodiment described above is only schematical, the functional module is drawn
Point, only a kind of division of logic function, there can be other dividing mode when actually realizing, such as multiple modules can combine
Either being desirably integrated into another system or some features can ignore, or not perform.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic；
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
Claims (10)
1. a kind of localization method of Quick Response Code content display region, it is characterised in that divide the content display region of Quick Response Code
For more sub-regions, comprise the following steps：
Determine the viewing area of content to be displayed；
According to the viewing area of the content to be displayed and default positioning relation, it is determined that the RGB color code of positioning color lump and
Positional information, the positioning relation refer to the viewing area and the RGB color code including positioning color lump and position of content to be displayed
The corresponding relation of the two-dimensional array of confidence breath, the positioning color lump fill the subregion generation using RGB color；
According to the RGB color code of the positioning color lump of determination and positional information display positioning color lump, and show and treat in viewing area
Display content information.
2. the localization method of Quick Response Code content display region according to claim 1, it is characterised in that the positioning relation
Including：
One viewing area and the first positioning relation of a positioning two-dimensional array, and/or a viewing area and multiple positioning
Second positioning relation of two-dimensional array；
When the positioning relation includes the first positioning relation and the second positioning relation, any positioning two in the first positioning relation
Dimension group differs with any positioning two-dimensional array in the second positioning relation.
3. the localization method of Quick Response Code content display region according to claim 2, it is characterised in that when the positioning is closed
When system comprises at least the second positioning relation, it is determined that after the step of positioning the RGB color code and positional information of color lump, also wrap
Include：
Generate encrypted state information；
RGB color code and/or positional information in the default key adjustment positioning color lump；
The RGB color code and positional information display positioning color lump of the positioning color lump according to determination, and show in viewing area
Show content to be displayed information, specifically include：
RGB color code and positional information in the positioning color lump after adjustment, the positioning color lump and described after display adjustment
Encrypted state information, and show content to be displayed information in viewing area.
4. the localization method of Quick Response Code content display region according to claim 1, it is characterised in that it is determined that positioning color
After the step of RGB color code and positional information of block, in addition to：
Random generation redundancy color lump, the redundancy color lump and color code and positional information and the color code of the positioning color lump
It is different with positional information；
The RGB color code and positional information display positioning color lump of the positioning color lump according to determination, and show in viewing area
Show content to be displayed information, specifically include：
According to the RGB color code and positional information display positioning color lump and redundancy color lump of the positioning color lump of determination, and showing
Region shows content to be displayed information.
5. the localization method of Quick Response Code content display region according to claim 1, it is characterised in that：
The viewing area for determining content to be displayed, including at least two viewing areas.
6. a kind of positioner of Quick Response Code content display region, it is characterised in that the content display region of Quick Response Code is divided into
More sub-regions, the positioner include：
Input module, for determining the viewing area of content to be displayed；
Locating module, for the viewing area according to the content to be displayed and default positioning relation, it is determined that positioning color lump
RGB color code and positional information, the positioning relation refer to RGB of the viewing area of content to be displayed with including positioning color lump
The corresponding relation of color code and the two-dimensional array of positional information, the positioning color lump fill the subregion using RGB color
Generation；
Display module, for the RGB color code and positional information display positioning color lump of the positioning color lump according to determination, and aobvious
Show that region shows content to be displayed information.
7. the positioner of Quick Response Code content display region according to claim 6, the locating module, its feature exist
In：
Specifically for the first positioning relation including a viewing area with a positioning two-dimensional array, and/or a viewing area
Domain and the second positioning relation of multiple positioning two-dimensional arrays；When the positioning relation includes the first positioning relation and the second positioning pass
When being, any positioning two-dimensional array in the first positioning relation and any positioning two-dimensional array in the second positioning relation not phase
Together.
8. the positioner of Quick Response Code content display region according to claim 7, it is characterised in that when the positioning mould
When block is used to comprise at least the second positioning relation, the positioner, in addition to：
Adjusting module, specifically for generating encrypted state information；According to the RGB face in the default key adjustment positioning color lump
Color code and/or positional information；RGB color code and positional information, instruction in the positioning color lump after adjustment show mould
Positioning color lump and the encrypted state information after block display adjustment, and show content to be displayed information in viewing area.
9. the positioner of Quick Response Code content display region according to claim 6, it is characterised in that also include：
Randomized blocks, specifically for random generation redundancy color lump, the redundancy color lump and color code and positional information with it is described
Color code and the positional information for positioning color lump are different；According to the RGB color code and position letter of the positioning color lump of determination
Breath instruction display module display positioning color lump and redundancy color lump, and show content to be displayed information in viewing area.
10. the positioner of Quick Response Code content display region according to claim 6, it is characterised in that：
The input module, the viewing area specifically for determining at least two contents to be displayed.
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| CN107423793A (en) * | 2017-04-28 | 2017-12-01 | 南京邮电大学 | A kind of Quick Response Code generation identification technology of new type of safe |
| CN107888317B (en) * | 2017-11-09 | 2020-01-14 | 陕西外号信息技术有限公司 | Optical label based on space division multiplexing and sharing method and device thereof |
| CN107862230B (en) * | 2017-11-14 | 2020-12-22 | 安徽虚境科技有限公司 | Grade determining and inputting method |
| CN108846663B (en) * | 2018-06-21 | 2020-10-30 | 维沃移动通信有限公司 | Two-dimensional code adjusting method and device and mobile terminal |
| WO2021097840A1 (en) * | 2019-11-22 | 2021-05-27 | 连云港伍江数码科技有限公司 | Article list determination method and apparatus, and computer device and storage medium |
| CN114036968B (en) * | 2021-11-10 | 2024-03-01 | 北京科技大学 | Correction and repair method for laser mark fuzzy two-dimensional code image on surface of steel coil |
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