CN103793738A - Composite code composed of basic codes and method and device for identifying composite code - Google Patents
Composite code composed of basic codes and method and device for identifying composite code Download PDFInfo
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Abstract
The invention provides a composite code composed of basic codes. The composite code composed of the basic codes is composed of a plurality of sets of basic codes which are distributed in sequence, wherein composite code storage information contained in the composite code is matched with basic code storage information contained in the basic codes, and each basic code is of a raster graphic with the effective area larger than or equal to 3*3 square millimeters. A method for identifying the composite code comprises the steps of obtaining a composite code image, identifying the composite code image to obtain the composite code storage information, identifying a basic code image to obtain the basic code storage information, judging whether the composite code storage information and the basic code storage information are matched or not, and feeding back corresponding information. The device for implementing the method for identifying the composite code comprises an infrared reading module, an analysis module a, a composite code database, a distinguishing module, an analysis module b, a basic code database, a comparison module and a feedback module. Due to the fact that the composite code cannot be identified after being copied, anti-counterfeit performance of the composite code is better.
Description
Technical field
The present invention relates to coding techniques field, particularly a kind of composite coding, especially a kind of composite coding being formed by basic coding and discriminating conduct and device.
Background technology
Possess the advantages such as coded message capacity is large, reliability of decode is high, easy making due to one dimension code, Quick Response Code, therefore, be introduced in gradually field of anti-counterfeit technology, distinguish to learn the true and false of these article by the one dimension code to different patterns or Quick Response Code.
But, because the code shape of one dimension code and Quick Response Code is larger, can be replicated easily or duplicate, in the time that the one dimension code to after copying or duplicating and Quick Response Code are distinguished, still can learn the true and false of these article, therefore, one dimension code and Quick Response Code canned data are also dangerous.In addition, because the coding rule of one dimension code and Quick Response Code is comparatively simple, therefore, be also very easily cracked.Cracked by other people once be printed on one dimension code on product and the coding rule of Quick Response Code, just cannot realize its effective effect, be difficult to fake and inferior commodities to carry out strong strike.
Therefore, be badly in need of occurring a composite coding that can address the above problem.
Summary of the invention
For the weak point existing in the problems referred to above, the invention provides the basic coding storage information comprising in the composite coding storage information that comprises in a kind of composite coding and basic coding and there is matching relationship, be coded in after being replicated and cannot identify, make better a kind of composite coding being formed by basic coding and discriminating conduct and device of anti-counterfeiting performance.
For achieving the above object, the invention provides a kind of composite coding being formed by basic coding, described composite coding forms by organizing the basic coding distributing in order more, between the basic coding storage information comprising, matches in described composite coding in the composite coding storage information comprising and described basic coding; Described basic coding is a rectangular element in described composite coding, and described basic coding is the dot pattern that useful area is not less than 3*3 square millimeter.
Above-mentioned a kind of composite coding being formed by basic coding, wherein, the information point that described dot pattern is 30～40 microns by least one group of diameter rearranges by rule, between two adjacent described information points, is preset with corresponding spacing distance, and described dot pattern has the shape of appointment.
Above-mentioned a kind of composite coding being made up of basic coding, wherein, described information point comprises direction reference point, center reference point and check code.
Above-mentioned a kind of composite coding being made up of basic coding, wherein, described composite coding is one dimension code or Quick Response Code.
The invention provides a kind of discriminating conduct of the composite coding being formed by basic coding, comprise the following steps:
By infrared read module to obtain the composite coding that is printed on product surface;
Composite coding image is distinguished, to obtain composite coding storage information corresponding thereto;
Basic coding image is distinguished, to obtain basic coding storage information corresponding thereto;
Judge between composite coding storage information and basic coding storage information and whether match, and according to the corresponding information of result feedback.
Above-mentioned method, wherein, said method specifically comprises the following steps:
S10, by infrared read module to obtain the composite coding that is printed on product surface;
S20, acquired composite coding image is resolved, to form the composite coding data that can be identified by composite coding database;
S30, in composite coding database to resolve after composite coding data inquire about and mate, if result is yes, obtain composite coding storage information corresponding thereto, and perform step S40, if the result is negative, perform step S50, feedback identifying result is invalid, judges that article are as vacation;
S40, by acquired composite coding image, distinguish all basic coding images that form composite coding image;
S60, basic coding image is resolved, to form the basic coding data that can be identified by basic coding database;
S70, in basic coding database to resolve after basic coding data inquire about and mate, if result is yes, obtain basic coding storage information corresponding thereto, and perform step S80, if the result is negative, perform step S90, feedback identifying result is invalid, judges that article are as vacation;
S80, the composite coding information of storing is carried out to logic with basic coding storage information mate, to judge whether there is logical relation between the two, if result is coupling, show that composite coding is true, recognition result is effectively, judges that article are as true, if result is not for mating, show that composite coding is false, feedback identifying result is invalid, judges that article are as vacation.
Above-mentioned method, wherein, in step S10, if infrared read module cannot complete at the appointed time to the reading of composite coding, shows that this composite coding is false or this composite coding damages.
Above-mentioned method wherein, is a numerical value a in the composite coding storage information of composite coding database storage; The basic coding storage information of storing in basic coding database is a numerical value b.
Above-mentioned method, wherein, judge the numerical value a corresponding with composite coding storage information and with the corresponding numerical value b of basic coding storage information whether be the numerical value of formed objects, if result is identical, show that composite coding is true, recognition result is effective, judging that article are as true, is false if result for not identical, shows composite coding, recognition result is invalid, judges that article are as vacation.
The present invention also provides a kind of device of implementing said method, comprising:
Infrared read module, for obtaining the composite coding that is printed on product surface;
Parsing module a, resolves for the composite coding image to having obtained, to form the data that can be identified by composite coding database;
Composite coding database, for the composite coding data after resolving are inquired about and mated, to obtain composite coding storage information corresponding thereto;
Discriminating module, for by acquired composite coding image, distinguishes all basic coding images that form composite coding image;
Parsing module b, for basic coding image is resolved, to form the basic coding data that can be identified by basic coding database;
Basic coding database, for the basic coding data after resolving are inquired about and mated, if result is yes, obtains basic coding storage information corresponding thereto;
Whether comparison module, match for judging between composite coding storage information and basic coding storage information;
Feedback module, for according to the corresponding information of the result feedback of comparison module.
Compared with prior art, the present invention has the following advantages:
1, the composite coding in the present invention is made up of multiple basic codings, wherein, each basic coding is the dot pattern that useful area is not less than 3*3 square millimeter, therefore, composite coding in the present invention cannot be identified it after being replicated again, compared with existing common one dimension code or Quick Response Code, its antifalsification and reliability are higher;
2, owing to can mutually mating between the basic coding storage information comprising in the composite coding storage information comprising in composite coding and basic coding, therefore, also further improved its security performance;
3, the information point that dot pattern is 30～40 microns by least one group of diameter rearranges by rule, because the diameter of information point is small, and be preset with corresponding spacing distance between two adjacent information points, after the mode that is copied or scans copies, distance between adjacent two information points can be found deviation, thereby form the invalid code that cannot be identified, therefore, the position of information point and the distance between the two can improve the anti-counterfeiting performance of composite coding.
Accompanying drawing explanation
Fig. 1 is the first example structure figure of composite coding in the present invention;
Fig. 2 is the second example structure figure of composite coding in the present invention;
Fig. 3 is the process flow diagram of method part the first embodiment in the present invention;
Fig. 4 is the process flow diagram of method part the second embodiment in the present invention;
Fig. 5 is the structured flowchart of device part in the present invention.
Main description of reference numerals is as follows:
1-one dimension code 2-Quick Response Code 3-basic coding
The infrared read module 5-of 4-parsing module a 6-composite coding database
7-discriminating module 8-parsing module b 9-basic coding database
10-comparison module 11-feedback module
Embodiment
As shown in Figure 1, in the present embodiment, this composite coding is one dimension code 1, this one dimension code forms by organizing the basic coding 3 distributing in order more, basic coding 3 is a rectangular element in one dimension code 1, between the anti-counterfeiting information comprising, matches in composite coding in the anti-counterfeiting information comprising and basic coding.
Basic coding is the dot pattern that naked eyes cannot be differentiated, its useful area is not less than the dot pattern of 3*3 square millimeter, because the area of basic coding is less, therefore, composite coding in the present embodiment is being attached to after article surface, can not impact its outward appearance.
The information point that this dot pattern is 30～40 microns by least one group of diameter rearranges by rule, and with the shape of specifying.Because the diameter of information point is small, and be preset with corresponding spacing distance between two adjacent information points, after the mode that is copied or scans copies, distance between adjacent two information points can be found deviation, the shape of specifying also can change, thereby form the invalid code that cannot be identified, therefore, the position of information point and the distance between the two can improve the anti-counterfeiting performance of composite coding.This dot pattern comprises direction reference point, center reference point and check code.
In addition, information point adopts the coating that can be identified by naked eyes invisible light, and utilize at least one mode in printing, spray, drawing to be attached on the white space of carrier, one in the visible coating that the coating that can be identified by naked eyes invisible light is carbon containing or the invisible coating of carbon containing, visible ink or ink that the visible coating of carbon containing is carbon containing, the colorless ink that the invisible coating of carbon containing is carbon containing or ink.
Due to visible ink or the ink of carbon containing, and the colorless ink of carbon containing or ink can absorb the infrared ray of specific band, therefore, only has infrared ray recognition device to identify the information in composite coding.
As shown in Figure 2, in the present embodiment, in the present embodiment, this composite coding is Quick Response Code 2, this one dimension code forms by organizing the basic coding 3 distributing in order more, basic coding 3 is a rectangular element in Quick Response Code 2, between the anti-counterfeiting information comprising, matches in composite coding in the anti-counterfeiting information comprising and basic coding.
Basic coding is the dot pattern that naked eyes cannot be differentiated, its useful area is not less than the dot pattern of 3*3 square millimeter, because the area of basic coding is less, therefore, composite coding in the present embodiment is being attached to after article surface, can not impact its outward appearance.
The information point that this dot pattern is 30～40 microns by least one group of diameter rearranges by rule, and with the shape of specifying.Because the diameter of information point is small, and be preset with corresponding spacing distance between two adjacent information points, after the mode that is copied or scans copies, distance between adjacent two information points can be found deviation, the shape of specifying also can change, thereby form the invalid code that cannot be identified, therefore, the position of information point and the distance between the two can improve the anti-counterfeiting performance of composite coding.This dot pattern comprises direction reference point, center reference point and check code.
In addition, information point adopts the coating that can be identified by naked eyes invisible light, and utilize at least one mode in printing, spray, drawing to be attached on the white space of carrier, one in the visible coating that the coating that can be identified by naked eyes invisible light is carbon containing or the invisible coating of carbon containing, visible ink or ink that the visible coating of carbon containing is carbon containing, the colorless ink that the invisible coating of carbon containing is carbon containing or ink.
Due to visible ink or the ink of carbon containing, and the colorless ink of carbon containing or ink can absorb the infrared ray of specific band, therefore, only has infrared ray recognition device to identify the information in composite coding.
The invention provides and a kind of the composite coding being made up of basic coding is distinguished to method for distinguishing, comprise the following steps:
By infrared read module to obtain the composite coding that is printed on product surface;
Composite coding image is distinguished, to obtain composite coding storage information corresponding thereto;
Basic coding image is distinguished, to obtain basic coding storage information corresponding thereto;
Judge between composite coding storage information and basic coding storage information and whether match, and according to the corresponding information of result feedback.
As shown in Figure 3, above-mentioned discriminating conduct specifically comprises the following steps:
S10, by infrared read module to obtain the composite coding that is printed on product surface.
Wherein, if infrared read module cannot complete at the appointed time to the reading of composite coding, show that this composite coding is false or this composite coding damages.
S20, acquired composite coding image is resolved, to form the composite coding data that can be identified by composite coding database.
S30, in composite coding database to resolve after composite coding data inquire about and mate, if result is yes, obtain composite coding storage information corresponding thereto, and perform step S40, if the result is negative, perform step S50, feedback identifying result is invalid, judges that article are as vacation.
Wherein, in the present embodiment, be a numerical value a in the composite coding storage information of composite coding database storage.
S40, by acquired composite coding image, distinguish all basic coding images that form composite coding image.
S60, basic coding image is resolved, to form the basic coding data that can be identified by basic coding database.
S70, in basic coding database to resolve after basic coding data inquire about and mate, if result is yes, obtain basic coding storage information corresponding thereto, and perform step S80, if the result is negative, perform step S90, feedback identifying result is invalid, judges that article are as vacation.
Wherein, in the present embodiment, the basic coding storage information of storing in basic coding database is a numerical value b.
S80, the composite coding information of storing is carried out to logic with basic coding storage information mate, to judge between the two whether there is logical relation, if result is coupling, show that composite coding is true, execution step S100, feedback identifying result is effectively, judges that article are as true; If it is false that result for not mating, shows composite coding, execution step S110, feedback identifying result is invalid, judges that article are as vacation.
In step S80, judge the numerical value a corresponding with composite coding storage information and with the corresponding numerical value b of basic coding storage information whether be the numerical value of formed objects, if result is identical, show that composite coding is true, recognition result is effectively, judges that article are as true, if result is not for identical, show that composite coding is false, feedback identifying result is invalid, judges that article are as vacation.
As shown in Figure 4, above-mentioned discriminating conduct specifically comprises the following steps:
S100, by infrared read module to obtain the composite coding that is printed on product surface.
Wherein, if infrared read module cannot complete at the appointed time to the reading of composite coding, show that this composite coding is false or this composite coding damages.
S200, by acquired composite coding image, judge whether to include basic coding image, if result is yes, perform step S300, if the result is negative, perform step S400, feedback identifying result is invalid, judges that article are as vacation;
S300, by acquired composite coding image, distinguish all basic coding images that form composite coding image.
S500, acquired composite coding image is resolved, to form the composite coding data that can be identified by composite coding database.
S600, in composite coding database to resolve after composite coding data inquire about and mate, if result is yes, obtain composite coding storage information corresponding thereto, and perform step S700, if the result is negative, perform step S800, feedback identifying result is invalid, judges that article are as vacation.
Wherein, in the present embodiment, be a numerical value a in the composite coding storage information of composite coding database storage.
S700, basic coding image is resolved, to form the basic coding data that can be identified by basic coding database.
S900, in basic coding database to resolve after basic coding data inquire about and mate, if result is yes, obtain basic coding storage information corresponding thereto, and perform step S1000, if the result is negative, perform step S1100, feedback identifying result is invalid, judges that article are as vacation.
Wherein, in the present embodiment, the basic coding storage information of storing in basic coding database is a numerical value b.
S1000, the composite coding information of storing is carried out to logic with basic coding storage information mate, to judge between the two whether there is logical relation, if result is coupling, show that composite coding is true, execution step S1200, feedback identifying result is effectively, judges that article are as true; If it is false that result for not mating, shows composite coding, execution step S1300, feedback identifying result is invalid, judges that article are as vacation.
In step S1000, judge the numerical value a corresponding with composite coding storage information and with the corresponding numerical value b of basic coding storage information whether be the numerical value of formed objects, if result is identical, show that composite coding is true, recognition result is effectively, judges that article are as true, if result is not for identical, show that composite coding is false, feedback identifying result is invalid, judges that article are as vacation.
As shown in Figure 5, the present invention also provides a kind of device that the composite coding being made up of basic coding is distinguished, comprising:
Wherein, comprise and read time judging unit at infrared read module, for judging whether code identification can complete and read at the appointed time.If infrared read module cannot complete at the appointed time to the reading of composite coding, show that this composite coding is false or this composite coding damages.
Parsing module a5, resolves for the composite coding image to having obtained, to form the data that can be identified by composite coding database.
In composite coding database, also comprise refresh unit, know refresh unit for composite coding database and composite coding storage information are corresponding thereto upgraded.
Parsing module b8, for basic coding image is resolved, to form the basic coding data that can be identified by basic coding database.
In basic coding database, also comprise refresh unit, know refresh unit for basic coding data and basic coding storage information are corresponding thereto upgraded.
Whether comparison module 10, match for judging between composite coding storage information and basic coding storage information.The composite coding information of storing is carried out to logic with basic coding storage information mates, to judge whether there is logical relation between the two, if result is coupling, show that composite coding is true, recognition result is effectively, judges that article are as true, if result is not for mating, show that composite coding is false, recognition result is invalid, judges that article are as vacation.
Only as described above, be only preferred embodiment of the present invention, such as professional who are familiar with this art.After understanding technological means of the present invention, natural energy, according to actual needs, is changed under instruction of the present invention.Therefore all equal variation and modifications of doing according to the present patent application the scope of the claims, once should still remain within the scope of the patent.
Claims (10)
1. the composite coding being formed by basic coding, it is characterized in that, described composite coding forms by organizing the basic coding distributing in order more, between the basic coding storage information comprising, matches in described composite coding in the composite coding storage information comprising and described basic coding;
Described basic coding is a rectangular element in described composite coding, and described basic coding is the dot pattern that useful area is not less than 3*3 square millimeter.
2. a kind of composite coding being formed by basic coding according to claim 1, it is characterized in that, the information point that described dot pattern is 30～40 microns by least one group of diameter rearranges by rule, between two adjacent described information points, be preset with corresponding spacing distance, described dot pattern has the shape of appointment.
3. a kind of composite coding being made up of basic coding according to claim 2, is characterized in that, described information point comprises direction reference point, center reference point and check code.
4. according to arbitrary described a kind of composite coding being made up of basic coding in claims 1 to 3, it is characterized in that, described composite coding is one dimension code or Quick Response Code.
5. a method of distinguishing a kind of composite coding being made up of basic coding described in claim 4, comprises the following steps:
By infrared read module to obtain the composite coding that is printed on product surface;
Composite coding image is distinguished, to obtain composite coding storage information corresponding thereto;
Basic coding image is distinguished, to obtain basic coding storage information corresponding thereto;
Judge between composite coding storage information and basic coding storage information and whether match, and according to the corresponding information of result feedback.
6. method according to claim 5, is characterized in that, said method specifically comprises the following steps:
S10, by infrared read module to obtain the composite coding that is printed on product surface;
S20, acquired composite coding image is resolved, to form the composite coding data that can be identified by composite coding database;
S30, in composite coding database to resolve after composite coding data inquire about and mate, if result is yes, obtain composite coding storage information corresponding thereto, and perform step S40, if the result is negative, perform step S50, feedback identifying result is invalid, judges that article are as vacation;
S40, by acquired composite coding image, distinguish all basic coding images that form composite coding image;
S60, basic coding image is resolved, to form the basic coding data that can be identified by basic coding database;
S70, in basic coding database to resolve after basic coding data inquire about and mate, if result is yes, obtain basic coding storage information corresponding thereto, and perform step S80, if the result is negative, perform step S90, feedback identifying result is invalid, judges that article are as vacation;
S80, the composite coding information of storing is carried out to logic with basic coding storage information mate, to judge whether there is logical relation between the two, if result is coupling, show that composite coding is true, recognition result is effectively, judges that article are as true, if result is not for mating, show that composite coding is false, feedback identifying result is invalid, judges that article are as vacation.
7. method according to claim 6, is characterized in that, in step S10, if infrared read module cannot complete at the appointed time to the reading of composite coding, shows that this composite coding is false or this composite coding damages.
8. method according to claim 7, is characterized in that, is a numerical value a in the composite coding storage information of composite coding database storage; The basic coding storage information of storing in basic coding database is a numerical value b.
9. method according to claim 8, it is characterized in that, judge the numerical value a corresponding with composite coding storage information and with the corresponding numerical value b of basic coding storage information whether be the numerical value of formed objects, if result is identical, show that composite coding is true, recognition result is effective, judging that article are as true, is false if result for not identical, shows composite coding, recognition result is invalid, judges that article are as vacation.
10. a device that implements the claims method described in 9, is characterized in that, comprising:
Infrared read module, for obtaining the composite coding that is printed on product surface;
Parsing module a, resolves for the composite coding image to having obtained, to form the data that can be identified by composite coding database;
Composite coding database, for the composite coding data after resolving are inquired about and mated, to obtain composite coding storage information corresponding thereto;
Discriminating module, for by acquired composite coding image, distinguishes all basic coding images that form composite coding image;
Parsing module b, for basic coding image is resolved, to form the basic coding data that can be identified by basic coding database;
Basic coding database, for the basic coding data after resolving are inquired about and mated, if result is yes, obtains basic coding storage information corresponding thereto;
Whether comparison module, match for judging between composite coding storage information and basic coding storage information;
Feedback module, for according to the corresponding information of the result feedback of comparison module.
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| CN107808109B (en) * | 2016-09-09 | 2021-08-10 | 中兴通讯股份有限公司 | Two-dimensional code image identification method and mobile terminal |
| CN110414645A (en) * | 2018-04-28 | 2019-11-05 | 深圳果力智能科技有限公司 | A kind of pattern recognition method based on Match of elemental composition |
| CN110414645B (en) * | 2018-04-28 | 2023-05-30 | 深圳果力智能科技有限公司 | Pattern recognition method based on element matching |
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