CN105787413A - Method and apparatus for positioning two-dimensional code content display area - Google Patents
Method and apparatus for positioning two-dimensional code content display area Download PDFInfo
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- CN105787413A CN105787413A CN201610080492.9A CN201610080492A CN105787413A CN 105787413 A CN105787413 A CN 105787413A CN 201610080492 A CN201610080492 A CN 201610080492A CN 105787413 A CN105787413 A CN 105787413A
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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 invention provides a method and apparatus for positioning a two-dimensional code content display area. The content display area of a two-dimensional code is divided into multiple subareas, a positioning color block is generated by filling the subareas by use of RGB colors, a display area of content to be displayed is determined, according to the display area of the content to be displayed and a preset positioning relation, a RGB color code and position information of the positioning color block are determined, the positioning relation refers to a corresponding relation between the display area of the content to be displayed and a two-dimensional array including the RGB color code and the position information of the positioning color block, the positioning color block is displayed according to the determined RGB color and the position information of the positioning color block, and information of the content to be displayed is displayed in the display area. According to the invention, the problem of quite low positioning security of content information display area of the two-dimensional code in the prior art is solved, and the security grade of the content information which can be carried by the two-dimensional code is improved.
Description
Technical field
The present invention relates to planar bar code technology field, be specifically related to localization method and the device of a kind of Quick Response Code content display region.
Background technology
nullQuick Response Code is specifically to gather figure with certain according to certain rule in plane (two-dimensional directional) identifying recording layer symbolic information，Because of it, to have information capacity big、Coding range is wide、Fault-tolerant ability is strong、Decoding reliability is high，Cost is low simultaneously、The feature easily made，In today that the Internet and mobile equipment are universal，Quick Response Code application in each field with day by day increase，Generally，Quick Response Code is by placing fixing location figure in fixed area，It is used for showing content information data particular location in two-dimension code pattern，After utilizing Quick Response Code reading equipment to read content information data by the instruction of location figure，Further content information data is decrypted，Information can be decoded，The reception and registration of the higher information of security requirement cannot be realized，Make Quick Response Code in some area of security such as bank、The application of security department etc. is restricted.
How fundamentally to solve the confidentiality that Quick Response Code content information positions in two-dimension code pattern, improve the safe class of Quick Response Code portability information, be planar bar code technology field problem demanding prompt solution.
Summary of the invention
The technical problem to be solved is for drawbacks described above existing in prior art, localization method and the device of a kind of Quick Response Code content display region are provided, in order to solve the problem that in prior art, the content information viewing area positioning security of the Quick Response Code of existence is relatively low, improve the safe class of Quick Response Code portability content information.
For achieving the above object, the present invention provides the localization method of a kind of Quick Response Code content display region, including:
Determine the viewing area of content to be displayed；
Viewing area according to described content to be displayed and the positioning relation preset, determine RGB color code and the positional information of location color lump, described positioning relation refers to the viewing area of content to be displayed and the corresponding relation of the two-dimensional array of the RGB color code and positional information that include location color lump, and described location color lump utilizes RGB color to fill described subregion and generates；
RGB color code and positional information display according to the location color lump determined position color lump, and show content to be displayed information in viewing area.
For achieving the above object, the present invention provides the positioner of a kind 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 described content to be displayed and default positioning relation, determine RGB color code and the positional information of location color lump, described positioning relation refers to the viewing area of content to be displayed and the corresponding relation of the two-dimensional array of the RGB color code and positional information that include location color lump, and described location color lump utilizes RGB color to fill described subregion and generates；
Display module, for the RGB color code according to the location color lump determined and positional information display location color lump, and shows content to be displayed information in viewing area.
The localization method of a kind of Quick Response Code content display region provided by the invention and device, by positioning color code and the positional information composition two-dimensional array of color lump, described two-dimensional array is utilized to come the viewing area of given content information, as cannot be obtained the viewing area of the content information of its correspondence by the color code and positional information positioning color lump, just cannot extract content information, also just further content information cannot be decoded, improve the safe class of information entrained by Quick Response Code.
Accompanying drawing explanation
For the technical scheme in the clearer explanation embodiment of the present invention, below the accompanying drawing used required during embodiment is described is done and introduce simply, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the effect schematic diagram of the localization method first embodiment of a kind of Quick Response Code content display region provided by the invention；
Fig. 2 is the schematic flow sheet of the localization method first embodiment of a kind of Quick Response Code content display region provided by the invention；
Fig. 3 is the schematic flow sheet of localization method second embodiment of a kind of Quick Response Code content display region provided by the invention；
Fig. 4 is the structural representation of the positioner of a kind of Quick Response Code content display region provided by the invention.
Detailed description of the invention
For making those skilled in the art be more fully understood that technical scheme, below in conjunction with drawings and Examples, the present invention is described in further detail.Obviously, described embodiment is a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
For describing the present invention intuitively, represent the effect of the present invention first with Fig. 1.Quick Response Code is divided into netted subregion, as shown in Figure 1, the size of described netted subregion can be adjusted according to the resolution of Quick Response Code equipment, first with the specific subregion of color filling as location color lump, the two-dimensional array of location color lump color code and positional information composition location color lump (adopts RGB color code to illustrate, for method of the present invention is described intuitively, the present invention is not precluded from other color code), any number as formed the two-dimensional array of location color lump changes, change such as a numeral in only color code or a coordinate figure in positional information changes, it is different location color lumps.By the two-dimensional array of location color lump and a viewing area one_to_one corresponding, it is achieved the location of content information, described viewing area comprises some all subregions, and its size and location all can be specified as required.
The method that embodiment illustrates the present invention is specifically put into it follows that utilize.
Fig. 2 is the schematic flow sheet of the localization method first embodiment of a kind of Quick Response Code content display region provided by the invention, and the localization method of the Quick Response Code content display region of described first embodiment comprises the steps:
Step 101: determine the viewing area of content to be displayed.
Concrete, determine the viewing area of content to be displayed according to user's input, specifically can according to described content to be displayed number or significance level, it is determined that the magnitude range of viewing area and particular location.
The present invention provides a kind of preferred scheme to be, may determine that at least two viewing area, for showing content to be displayed, when making same Quick Response Code can carry diverse at least two information in described at least two viewing area, can unrelated use respectively between information, it is achieved the compound use of Quick Response Code.
Step 102: according to the viewing area of described content to be displayed and default positioning relation, it is determined that the RGB color code of location color lump and positional information.
Concrete, described positioning relation refers to the viewing area of content to be displayed and the corresponding relation of the two-dimensional array of the RGB color code and positional information that include location color lump, Fig. 1 show the corresponding relation of three location color lumps and a viewing area, and the two-dimensional array of described three location color lumps is:
As it is shown in figure 1, the coordinate of arrow instruction is [(11,9) (11,16) (20,16) (20,9)] viewing area in three location color lump corresponding diagram one, three position color lumps respectively:
It is positioned at the red color lump that (4,26) position color code is (255,0,0)；
It is positioned at the green color lump that (9,26) position color code is (0,255,0)；
It is positioned at the blue color lump that (4,19) position color code is (0,0,255).
The color code of three location color lumps as above and the corresponding relation of its location coordinate information and viewing area are unique.
Preferred corresponding relation provided by the invention, including the first positioning relation of a viewing area with a location two-dimensional array, and/or the second positioning relation of a viewing area and multiple location two-dimensional array.That is, the first positioning relation positions color lump locating and displaying region only with one, and the second positioning relation adopts color lump locating and displaying region, at least two location, and the first positioning relation and the second positioning relation also can exist simultaneously, it is possible to preset described positioning relation as required.
When including the first positioning relation and the second positioning relation when default positioning relation, the arbitrarily location two-dimensional array in the first positioning relation and the arbitrarily location two-dimensional array in the second positioning relation all differ.That is, both having included a corresponding viewing area of location color lump in the positioning relation preset, when also including one viewing area of color lump correspondence, multiple location, the color code on any one coordinate position can only occur once.Such as, Fig. 1 is positioned at (4,26) position color code is (255,0,0) red color lump, after occurring in three positioning relations positioning the corresponding viewing area of color lump, in same default positioning relation, again can not occur in first corresponding relation positioning the corresponding viewing area of color lump or in the second positioning relation of the corresponding viewing area of other multiple color lumps, to ensure the uniqueness of corresponding relation.
Step 103: according to the RGB color code of the location color lump determined and positional information display location color lump, and show content to be displayed information in viewing area.
Specifically, carry out exporting according to the location color lump determined and content to be displayed, when region more than one to be shown, show respectively.
The localization method of a kind of Quick Response Code content display region that the present embodiment provides, the corresponding relation of the two-dimensional array of the RGB color code and positional information of only having known the viewing area of content to be displayed and include location color lump, the effective content information carried in Quick Response Code could be extracted further further decode, drastically increase the safe class of 2 D code information, its viewing area can also be arbitrarily designated as required, improve the use friendliness of Quick Response Code, support that at least two viewing area is used for showing content information, improve Quick Response Code and carry the multiplicity of information.
Fig. 3 is the schematic flow sheet of localization method second embodiment of a kind of Quick Response Code content display region provided by the invention, and the flow process of localization method second embodiment of a kind of Quick Response Code content display region provided by the invention comprises the following steps:
Step 201: determine the viewing area of content to be displayed.
Identical with abovementioned steps 101, repeat no more.
Step 201: determine RGB color code and the positional information of location color lump.
Identical with abovementioned steps 102, repeat no more.
Step 203: generate encrypted state information and adjust described location color lump according to the key preset.
Concrete, the preferred method of one provided by the invention is, on the basis of the location color lump generated, further can encrypt according to default double secret key location color lump, by by the location color lump two-dimensional array in corresponding relation, the location color lump after utilizing specific AES to calculate adjustment, the location color lump after adjustment changes color code and/or positional information, when Quick Response Code is decoded, it is necessary to or described particular encryption algorithm just can draw correct corresponding relation.Improve the safe class of location color lump further.
Location color lump after the adjustment that AES calculates, need to export encrypted state information simultaneously, represent whether and the location color lump scanned first is decrypted calculating, to obtain the correct location color lump two-dimensional array that may be used for searching corresponding relation, the location in region could be displayed further.As described in front step 102, the restrictive condition of the location color lump occurrence number in corresponding relation is identical, and the two-dimensional array arbitrarily positioning color lump after computations adjusts can not be identical with the random two-dimensional array in corresponding relation before.
AES described herein can adopt algorithm commonly used in the art, it is to be understood that encryption herein can also replace with other technological means such as verification, thus realizing the various different application of location color lump.
Step 204: stochastic generation redundancy color lump.
Concrete, the present invention also provides for a kind of preferred mode and is, on the basis generating location color lump, stochastic generation redundancy color lump, for disturbing location color lump or carrying the out of Memory such as verification encryption.When redundancy color lump is served only for disturbing, it is possible to stochastic generation, when being used for carrying the out of Memory such as verification encryption, it is necessary to generating redundancy color lump through verification or AES.In like manner, the two-dimensional array of redundancy color lump differs with the random two-dimensional array of the two-dimensional array of the location color lump preset or the location color lump after computations adjustment.
When Quick Response Code is resolved, when containing the combination in any of N number of location color lump of redundancy color lump and not appearing in default positioning relation, need to remove one of them location color lump in order, again remaining N-1 the combination in any positioning color lump is made a look up, as can not, remove another one location color lump again the combination in any of residue N-1 location color lump to be made a look up, remove any one location color lump all without when finding corresponding relation, remove two location color lump repeat the above steps again, till finding out correct corresponding relation.
Step 205: show the location color lump after adjusting, redundancy color lump and encrypted state information, and show content to be displayed information in viewing area.
Color code and positional information according to the location color lump after adjusting and redundancy color lump display, and show encrypted state information simultaneously, and show content to be displayed information in viewing area.
The localization method of a kind of Quick Response Code content display region that the present embodiment provides, carry out one to one on basis utilizing the two-dimensional array of the location color code of color lump and positional information composition and viewing area, further with encryption or checking algorithm, location color lump is adjusted, location color lump after adjustment can be used for the encryption to content information or positioning relation or verification, simultaneously, the present embodiment also utilizes the redundancy color lump of stochastic generation that location color lump is disturbed, on the application foundation of location color lump, further increase the security classification of the present invention.
Fig. 4 is the structural representation of the positioner of a kind of Quick Response Code content display region provided by the invention, and the positioner of a kind of Quick Response Code content display region provided by the invention includes:
Input module 31, for determining the viewing area of content to be displayed；Specifically for determining the viewing area of at least two content to be displayed.
Locating module 32, for the viewing area according to described content to be displayed and default positioning relation, determine RGB color code and the positional information of location color lump, described positioning relation refers to the viewing area of content to be displayed and the corresponding relation of the two-dimensional array of the RGB color code and positional information that include location color lump, and described location color lump utilizes RGB color to fill described subregion and generates；Specifically for including the first positioning relation of a viewing area and a location two-dimensional array, and/or the second positioning relation of a viewing area and multiple location two-dimensional array；When including the first positioning relation and the second positioning relation when described positioning relation, the arbitrarily location two-dimensional array in the first positioning relation and the arbitrarily location two-dimensional array in the second positioning relation all differ.
Adjusting module 33, specifically for generating encrypted state information；The RGB color code in the color lump of described location and/or positional information is adjusted according to default key；According to the RGB color code in the location color lump after adjusting and positional information, instruction display module 35 shows the location color lump after adjusting and described encrypted state information, and shows content to be displayed information in viewing area.
Randomized blocks 34, specifically for stochastic generation redundancy color lump, color code and the positional information of described redundancy color lump and color code and positional information and described location color lump are different；RGB color code and positional information instruction display module 35 display according to the location color lump determined position color lump and redundancy color lump, and show content to be displayed information in viewing area.
Display module 35, for the location color lump after the RGB color code according to the location color lump determined and positional information display location color lump or adjustment, redundancy color lump, encrypted state information, and shows content to be displayed information in viewing area.
nullThe positioner of a kind of Quick Response Code content display region that the present embodiment provides，Viewing area according to user's input，Utilize the two-dimensional array of the color code including location color lump and the positional information composition preset and the corresponding relation of viewing area，And further with encryption or checking algorithm, location color lump has been adjusted，Location color lump after adjustment can be used for the encryption to content information or positioning relation or verification，Simultaneously，Location color lump is disturbed by the redundancy color lump being also with stochastic generation，On the application foundation of location color lump，Further increase the security classification of the present invention，When Quick Response Code is decoded，Need to get rid of redundancy color lump，The location color lump being adjusted is decrypted calculating，After obtaining the two-dimensional array of correct location color lump，The two-dimensional array that could utilize the location color lump obtained navigates to viewing area，Extract content information.Device of the present invention, can be widely applied to security classification is required higher field.
In several embodiments provided herein, it should be understood that disclosed method, apparatus and system, it is possible to realize by another way.Such as, device embodiment described above is only schematic, the division of described functional module, it is only the division of a kind of logic function, actual can have other dividing mode when realizing, such as multiple modules can in conjunction with or be desirably integrated into another system, or some features can be ignored, or does not perform.
Last it is noted that above example is only in order to illustrate technical scheme, it is not intended to limit；Although the present invention being described in detail with reference to previous embodiment, it will be understood by those within the art that: the technical scheme described in foregoing embodiments still can be modified by it, or wherein portion of techniques feature is carried out equivalent replacement；And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. the localization method of a Quick Response Code content display region, it is characterised in that the content display region of Quick Response Code is divided into many sub regions, comprises the following steps:
Determine the viewing area of content to be displayed；
Viewing area according to described content to be displayed and the positioning relation preset, determine RGB color code and the positional information of location color lump, described positioning relation refers to the viewing area of content to be displayed and the corresponding relation of the two-dimensional array of the RGB color code and positional information that include location color lump, and described location color lump utilizes RGB color to fill described subregion and generates；
RGB color code and positional information display according to the location color lump determined position color lump, and show content to be displayed information in viewing area.
2. the localization method of Quick Response Code content display region according to claim 1, it is characterised in that described positioning relation includes:
One viewing area and first positioning relation positioning two-dimensional array, and/or the second positioning relation of a viewing area and multiple location two-dimensional array；
When including the first positioning relation and the second positioning relation when described positioning relation, the arbitrarily location two-dimensional array in the first positioning relation and the arbitrarily location two-dimensional array in the second positioning relation all differ.
3. the localization method of 2 D code information viewing area according to claim 2, it is characterised in that when described positioning relation at least includes the second positioning relation, after the step of the RGB color code and positional information of determining location color lump, also includes:
Generate encrypted state information；
The RGB color code in the color lump of described location and/or positional information is adjusted according to default key；
The described RGB color code according to the location color lump determined and positional information display location color lump, and content to be displayed information is shown in viewing area, specifically include:
According to the RGB color code in the location color lump after adjusting and positional information, show the location color lump after adjusting and described encrypted state information, and show content to be displayed information in viewing area.
4. the localization method of 2 D code information viewing area according to claim 1, it is characterised in that after the step of the RGB color code and positional information of determining location color lump, also include:
Stochastic generation redundancy color lump, color code and the positional information of described redundancy color lump and color code and positional information and described location color lump are different；
The described RGB color code according to the location color lump determined and positional information display location color lump, and content to be displayed information is shown in viewing area, specifically include:
RGB color code and positional information display according to the location color lump determined position color lump and redundancy color lump, and show content to be displayed information in viewing area.
5. the localization method of Quick Response Code content display region according to claim 1, it is characterised in that:
The described viewing area determining content to be displayed, including at least two viewing area.
6. the positioner of a Quick Response Code content display region, it is characterised in that including:
Input module, for determining the viewing area of content to be displayed；
Locating module, for the viewing area according to described content to be displayed and default positioning relation, determine RGB color code and the positional information of location color lump, described positioning relation refers to the viewing area of content to be displayed and the corresponding relation of the two-dimensional array of the RGB color code and positional information that include location color lump, and described location color lump utilizes RGB color to fill described subregion and generates；
Display module, for the RGB color code according to the location color lump determined and positional information display location color lump, and shows content to be displayed information in viewing area.
7. the positioner of Quick Response Code content display region according to claim 6, described locating module, it is characterised in that:
Specifically for including the first positioning relation of a viewing area and a location two-dimensional array, and/or the second positioning relation of a viewing area and multiple location two-dimensional array；When including the first positioning relation and the second positioning relation when described positioning relation, the arbitrarily location two-dimensional array in the first positioning relation and the arbitrarily location two-dimensional array in the second positioning relation all differ.
8. the positioner of 2 D code information viewing area according to claim 7, it is characterised in that when described locating module is at least including the second positioning relation, described positioner, also include:
Adjusting module, specifically for generating encrypted state information；The RGB color code in the color lump of described location and/or positional information is adjusted according to default key；According to the RGB color code in the location color lump after adjusting and positional information, instruction display module shows the location color lump after adjusting and described encrypted state information, and shows content to be displayed information in viewing area.
9. the positioner of 2 D code information viewing area according to claim 6, it is characterised in that also include:
Randomized blocks, specifically for stochastic generation redundancy color lump, color code and the positional information of described redundancy color lump and color code and positional information and described location color lump are different；RGB color code and positional information instruction display module display according to the location color lump determined position 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:
Described input module, specifically for determining the viewing area of at least two content to be displayed.
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