CN103679241B - A kind of generation method of invisible two-dimension code anti-counterfeit label and recognition methods - Google Patents
A kind of generation method of invisible two-dimension code anti-counterfeit label and recognition methods Download PDFInfo
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Abstract
The present invention proposes a kind of generation method of invisible two-dimension code anti-counterfeit label, comprises the steps: to input anti-counterfeiting information；Judge whether to need encryption, in this way, perform next step；Otherwise, skip next step and perform step below；Anti-counterfeiting information is encrypted and obtains adding confidential information；To anti-counterfeiting information or add confidential information carry out coding generate invisible two-dimensional codes pattern；Described invisible two-dimensional codes pattern is divided into alignment code pattern and information code pattern, and generates the two-layer film of correspondence；Described alignment code pattern and information code pattern are printed onto on the appointment position of carrier by ink or carbon dust that use at least two different-waveband is photosensitive respectively.The invention still further relates to the recognition methods of a kind of invisible two-dimension code anti-counterfeit label.Implement the generation method of invisible two-dimension code anti-counterfeit label and the recognition methods of the present invention, have the advantages that antifalse effect preferably, be not easy to be forged, manufacturing process is simple, production cost is relatively low, coding information quantity is bigger.
Description
Technical field
The present invention relates to anti-counterfeit field, particularly to generation method and the recognition methods of a kind of invisible two-dimension code anti-counterfeit label.
Background technology
The measure that anti-counterfeiting technology refers to reach false proof purpose and takes, it can accurately be discerned the false from the genuine within the specific limits, and is difficult to the technology being imitated and replicating.Prevent imitation, counterfeit technology the most exactly.A kind of precaution technical measures taked for protection brand names, protection market, protection consumers in general's legitimate rights and interests.
In currently used orientation product, wherein, first generation anti-fake product is the product with laser anti-counterfeit as representative, the ability that label is true and false is not the most recognized by consumer, its antifalse effect is poor, label is the most easily forged, and in the case of lacking comparability, counterfeit and 100% genuine piece of 60% are difficult to confirm；Next to that temperature becomes label, although consumer is readily identified but it is also easy to forge.Develop also has nuclear track anti-counterfeit etc. simultaneously.
Second filial generation anti-fake product is query formulation numerical code anti-fake label, and consumer can pass through phone, note, the true and false of internet checking digital label, but be simply printed on paper surface due to Anti-fake digital, therefore itself is easy to be forged, and its antifalse effect is the most poor.
Third generation anti-fake product is texture anti-fake label, a kind of anti-counterfeiting technology that texture anti-fake is is anti-counterfeit recognition labelling with packaging material speckle mark inherently.The speckle of nature always varies, if the textures such as fingerprint, wood grain, bag, zebra-stripe, ice stricture of vagina, dry and cracked ground are all random, unique, it is impossible to there are two duplicate textures.Utilize this principle, select the packaging material of clean mark to make antifalsification label, the speckle mark of each piece of label material is shot, numbers, files, is stored in false proof data base.Consumer can pass through the Internet, fax, Help by Phone archives, tell truth from falsehood, and random principle improves forgery difficulty.But owing to needing that speckle mark is shot, numbers, filed every time, its complex manufacturing process.
Forth generation anti-fake product is mainly safety line cheque paper technology and application product thereof, including the false proof description of various product and the quality certification, Anti-faking bottle label, antifalsification label etc..Whether consumer can be embedded in the middle of paper by identification safety line easily realizes truth identification.The imitated threshold of this kind of anti-counterfeiting technology product is high, it is impossible to realizes forging by the method for printing, has been truly realized " readily identified, be difficult to forge ", therefore, being anti-counterfeiting technology product maximally efficient in considerably long period in current and future, its antifalse effect is preferable, but production cost is higher.Additionally, traditional invisible two-dimensional codes coding information quantity is less, be not suitable for doing commodity counterfeit prevention.
Summary of the invention
The technical problem to be solved in the present invention is, poor for the above-mentioned antifalse effect of prior art, be easily forged, complex manufacturing process, production cost are higher, coding information quantity is less auto heterodyne effect does not reaches the defect of demand, it is provided that a kind of antifalse effect preferably, be not easy to be forged, the generation method of manufacturing process is simple, production cost is relatively low, coding information quantity is bigger invisible two-dimension code anti-counterfeit label and recognition methods.
The technical solution adopted for the present invention to solve the technical problems is: constructs a kind of generation method of invisible two-dimension code anti-counterfeit label, comprises the steps:
A) input anti-counterfeiting information；
B) judge whether to need encryption, in this way, perform step C)；Otherwise, step D is performed)；
C) described anti-counterfeiting information is encrypted obtains adding confidential information；
D) to described anti-counterfeiting information or add confidential information carry out coding generate invisible two-dimensional codes pattern；
E) described invisible two-dimensional codes pattern is divided into alignment code pattern and information code pattern, and generates the two-layer film of correspondence；
Described alignment code pattern and information code pattern are printed onto on the appointment position of carrier by ink or carbon dust that F) use at least two different-waveband is photosensitive respectively.
In the generation method of invisible two-dimension code anti-counterfeit label of the present invention, described step C) farther include:
C1) input Crypted password；
C2) described anti-counterfeiting information it is encrypted with described Crypted password and obtains adding confidential information.
In the generation method of invisible two-dimension code anti-counterfeit label of the present invention, described in be encoded to Bose-Chaudhuri-Hocquenghem Code.
In the generation method of invisible two-dimension code anti-counterfeit label of the present invention, described alignment code pattern includes multiple code-point, and the plurality of code-point arranges with box formation, and the distance between any two code-point is equal.
In the generation method of invisible two-dimension code anti-counterfeit label of the present invention, described information code pattern includes multiple code-point, and in described information code pattern, the number of code-point is more than the code-point number in described alignment code pattern.
The invention still further relates to the recognition methods of a kind of invisible two-dimension code anti-counterfeit label, comprise the steps:
A ') carrier being printed on invisible two-dimensional codes is put into the Quick Response Code evaluator specified；The inside of described Quick Response Code evaluator is provided with photographic head, and described Quick Response Code evaluator is additionally provided with the first LED and second LED of two kinds of different luminescence band；
B ') described carrier is fixed to ad-hoc location by described Quick Response Code evaluator；
C ') described photographic head navigates to the invisible two-dimensional codes pattern position of described carrier；
D ') open described first LED, described photographic head carries out shooting to described invisible two-dimensional codes pattern and obtains the first picture；
E ') open described second LED, described photographic head carries out shooting to described invisible two-dimensional codes pattern and obtains second picture；
F ') generate alignment code pattern according to described first picture and identify alignment code information；
G ') identify information code according to described alignment code information and second picture；
H ') it is decoded obtaining anti-counterfeiting information to described information code.
In the recognition methods of invisible two-dimension code anti-counterfeit label of the present invention, described in be decoded as BCH decoding.
In the recognition methods of invisible two-dimension code anti-counterfeit label of the present invention, described step H ') farther include:
H1 ') described information code carried out BCH decoding and obtains adding confidential information；
H2 ') the described confidential information that adds is decrypted and obtains anti-counterfeiting information.
In the recognition methods of invisible two-dimension code anti-counterfeit label of the present invention, described step H2 ') in input password by user and realize the described confidential information that adds is decrypted.
Implement generation method and the recognition methods of the invisible two-dimension code anti-counterfeit label of the present invention, have the advantages that due to by anti-counterfeiting information or add confidential information by coding generate invisible two-dimensional codes pattern, and invisible two-dimensional codes pattern is divided into alignment code pattern and information code pattern, alignment code pattern and information code pattern are printed onto on the appointment position of carrier by ink or carbon dust that use at least two different-waveband is photosensitive respectively, owing to using two-layer pattern, so its coding information quantity is bigger, antifalse effect is preferable, it is not easy to be forged, production process has only to change the ink produced or carbon dust, so its production cost is relatively low, its fabrication is simple.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in describing below is only some embodiments of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the flow chart generating method in the generation method of invisible two-dimension code anti-counterfeit label of the present invention and one embodiment of recognition methods；
Fig. 2 is the particular flow sheet being encrypted by anti-counterfeiting information in described embodiment and obtaining adding confidential information；
Fig. 3 is the schematic diagram of alignment code pattern in described embodiment；
Fig. 4 is the schematic diagram of information code pattern in described embodiment；
Fig. 5 be in described embodiment alignment code pattern and information code pattern synthesis after schematic diagram；
Fig. 6 is the flow chart of recognition methods in described embodiment；
Fig. 7 is the particular flow sheet that information code is decoded obtaining in described embodiment anti-counterfeiting information.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only 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 are obtained under not making creative work premise, broadly fall into the scope of protection of the invention.
Invisible two-dimensional codes anti-counterfeiting technology refers to utilize colourless stealthy consumptive material (such as fluorescent ink, fluorescence carbon dust, fluorescence colour band, infrared printing ink etc.), by the way of printing or printing, two-dimensional bar code is exported, two-dimensional bar code is that naked eyes are invisible under normal conditions, and the most special recognizer can understand a kind of automatic identification technology of the information encrypted inside Quick Response Code under this state.In the generation method and recognition methods embodiment of invisible two-dimension code anti-counterfeit label of the present invention, the flow chart of the generation method of its invisible two-dimension code anti-counterfeit label is as shown in Figure 1.In Fig. 1, this generation method includes:
Step S01 input anti-counterfeiting information: in this step, generate software with special Quick Response Code, input anti-counterfeiting information.
Step S02 judges whether to need encryption: in this step, it may be judged whether need encryption, if it is determined that result be yes, then execution step S03；Otherwise, step S04 is performed.
Anti-counterfeiting information is encrypted and obtains adding confidential information by step S03: if the judged result of above-mentioned steps S02 is yes, then perform this step.In this step, anti-counterfeiting information is encrypted and obtains adding confidential information, so can strengthen, by encryption, the difficulty copied.Mode about encryption can have multiple.It is noted that performed this step, perform step S04.
Step S04 to anti-counterfeiting information or add confidential information carry out coding generate invisible two-dimensional codes pattern: if the judged result of above-mentioned steps S02 is no, then perform this step.In this step, to anti-counterfeiting information or add confidential information and carry out coding and generate invisible two-dimensional codes pattern, can further enhance, by coding, the difficulty copied, increase safety.In the present embodiment, above-mentioned it is encoded to Bose-Chaudhuri-Hocquenghem Code, will above-mentioned anti-counterfeiting information or encryption Information Pull BCH code encode.
Invisible two-dimensional codes pattern is divided into alignment code pattern and information code pattern by step S05, and generate the two-layer film of correspondence: in this step, invisible two-dimensional codes pattern is divided into alignment code pattern and information code pattern, and generate the two-layer film of correspondence, namely alignment code pattern has individual film layer, and information code pattern also has individual film layer.Owing to using alignment code pattern and two layers of information code pattern, so its Quick Response Code coding information quantity is big, substantially exceed common invisible two-dimensional codes coding information, common invisible two-dimensional codes can only encode several Chinese character to most tens Chinese characters, and owing to using two-layer pattern and particular design in the present embodiment, make coding information can reach more than 1000 Chinese characters, meet or exceed QR(Quick Response, fast reaction) code capacity of Quick Response Code.
Alignment code pattern and information code pattern are printed onto on the appointment position of carrier by ink or carbon dust that step S06 use at least two different-waveband is photosensitive respectively: in this step, alignment code pattern and information code pattern are printed onto on the appointment position of carrier by ink or carbon dust that use at least two different-waveband is photosensitive respectively, in the present embodiment, particularly as being to use printing equipment or printer, two-layer pattern in 2 D code (alignment code pattern and information code pattern) is printed onto on the ad-hoc location of carrier by the ink photosensitive with two kinds of different-wavebands.In the present embodiment, the invisible two-dimensional codes of particular design, for using two-layer pattern one Quick Response Code of composition, needs ink or the carbon dust of two kinds of different wavelength photoreceptors, needs to carry out twice printing.Antifalse effect so can be made to strengthen, and the difficulty copied is bigger.
For the present embodiment, above-mentioned steps S03 also can refine further, and the flow chart after its refinement is as shown in Figure 2.In Fig. 2, above-mentioned steps S03 farther includes:
Step S31 input Crypted password: in this step, user inputs Crypted password.
Anti-counterfeiting information Crypted password is encrypted and obtains adding confidential information by step S32: in this step, above-mentioned special Quick Response Code generates software just anti-counterfeiting information and is first encrypted with the Crypted password of user's input, and generate encrypted information, in the present embodiment, encrypted information is referred to as added confidential information.Certainly, Crypted password can be to be various modes: such as character, symbol, figure, gesture etc..By encryption, the safety of information can be strengthened.
Fig. 3 is the schematic diagram of alignment code pattern in the present embodiment, and in Fig. 3, alignment code pattern includes multiple code-point, and above-mentioned multiple code-points arrange with box formation, and the distance between any two code-point is equal.Specifically, in the present embodiment, the code shape of an alignment code is made up of one group of 5x5=25 code-point, and code-point solid dot represents.
Fig. 4 is the schematic diagram of information code pattern in the present embodiment, and in Fig. 4, information code pattern includes multiple code-point, and in information code pattern, the number of code-point is more than the code-point number in alignment code pattern.Specifically, in the present embodiment, the code shape of an information code is by one group of 31x31-25
=936 code-point compositions, code-point is solid dot.
Fig. 5 be in the present embodiment alignment code pattern and information code pattern synthesis after schematic diagram；In Fig. 5, after the two-layer code synthesis of alignment code pattern and information code pattern, the square formation of one 31x31 of composition.
The present embodiment further relates to the recognition methods of a kind of invisible two-dimension code anti-counterfeit label, and its flow chart is as shown in Figure 6.In Fig. 6, the recognition methods of this invisible two-dimension code anti-counterfeit label comprises the steps:
Step S01 ' carrier being printed on invisible two-dimensional codes is put into the Quick Response Code evaluator specified: in this step, the carrier being printed on invisible two-dimensional codes is put into (special) the Quick Response Code evaluator specified, the inside of this Quick Response Code evaluator is provided with photographic head, additionally being additionally provided with the first LED and second LED of two kinds of different luminescence band on this Quick Response Code evaluator, namely the luminescence band of a LED etc. and the luminescence band of the 2nd LED are at different wave bands.
Step S02 ' carrier is fixed to ad-hoc location by Quick Response Code evaluator: in this step, carrier is fixed to ad-hoc location by Quick Response Code evaluator.
Step S03 ' photographic head navigates to the invisible two-dimensional codes pattern position of carrier: in this step, the photographic head within Quick Response Code evaluator positioned, particularly as being the invisible two-dimensional codes pattern position that the photographic head within Quick Response Code evaluator is navigated to carrier.
Step S04 ' open the first LED, photographic head carries out shooting to invisible two-dimensional codes pattern and obtains the first picture: in this step, opens the first LED, and photographic head carries out shooting to invisible two-dimensional codes pattern and obtains the first picture.
Step S05 ' open the second LED, photographic head carries out shooting to invisible two-dimensional codes pattern and obtains second picture: in this step, opens the second LED, and photographic head carries out shooting to invisible two-dimensional codes pattern and obtains second picture.
Step S06 ' generate alignment code pattern identify alignment code information according to the first picture: in this step, software Quick Response Code evaluator within is according to the first picture generation alignment code pattern, and identifies alignment code information.
Step S07 ' identify information code according to alignment code information and second picture: in this step, identify information code according to alignment code information and second picture.
Step S08 ' information code is decoded obtaining anti-counterfeiting information: information code is decoded by software, and this is decoded as BCH decoding, i.e. uses BCH decoding software to be decoded obtaining anti-counterfeiting information to information code.The recognition methods of this invisible two-dimension code anti-counterfeit label is simple, it is simple to use.
For the present embodiment, above-mentioned steps S08 ' also can refine further, the flow chart after its refinement is as shown in Figure 7.In Fig. 7, above-mentioned steps S08 ' farther include:
Step S81 ' information code carried out BCH decoding and obtains adding confidential information: in this step, information code carried out BCH decoding and obtains adding confidential information, namely using BCH decoding software to be decoded information code obtaining encrypted information (adding confidential information).
Step S82 ' it is decrypted and obtains anti-counterfeiting information to adding confidential information: in this step, it is decrypted adding confidential information and obtains anti-counterfeiting information, inputting password particular by user and realize adding what confidential information was decrypted to described.In other words, it is simply that the software within Quick Response Code evaluator utilizes the password of user to encrypted anti-counterfeiting information deciphering, obtains final anti-counterfeiting information.
In a word, in the present embodiment, have employed the mode of two-layer pattern (alignment code and information code) superposition, one layer of pattern is for alignment code, the function of alignment code is for positioning, determine the position of information pattern and orientation, and another layer of pattern is for information code (data content).Owing to having separated alignment code and information code so that the identification of coding becomes to be more prone to, by the expansion of pattern, more data content is encoded.Its coding information quantity is big, is suitable for doing commodity counterfeit prevention；And common invisible two-dimensional codes is because coding information quantity is little, be not suitable for doing commodity counterfeit prevention.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (5)
1. the generation method of an invisible two-dimension code anti-counterfeit label, it is characterised in that comprise the steps:
A) input anti-counterfeiting information；
B) judge whether to need encryption, in this way, perform step C)；Otherwise, step D is performed)；
C) described anti-counterfeiting information is encrypted obtains adding confidential information；
D) to described anti-counterfeiting information or add confidential information carry out coding generate invisible two-dimensional codes pattern；Described it is encoded to
Bose-Chaudhuri-Hocquenghem Code；
E) described invisible two-dimensional codes pattern is divided into alignment code pattern and information code pattern, and generates correspondence
The two-layer film；Described alignment code pattern includes multiple code-point, and the plurality of code-point arranges with box formation, appoints
The distance between two code-points of anticipating is equal；Described information code pattern includes multiple code-point, described information code pattern
The number of middle code-point is more than the code-point number in described alignment code pattern；
F) use the photosensitive ink of at least two different-waveband or carbon dust by described alignment code pattern and information code figure
Case is printed onto on the appointment position of carrier respectively；Use two-layer pattern one Quick Response Code of composition, need two kinds
The ink of different wavelength photoreceptors or carbon dust, need to carry out twice printing；The code shape of one alignment code is by one group 5
× 5=25 code-point composition, the code shape of an information code is made up of one group of 31 × 31-25=936 code-point；Institute
After stating the two-layer code synthesis of alignment code pattern and information code pattern, form the square formation of 31 × 31；
Described step C) farther include:
C1) input Crypted password；
C2) described anti-counterfeiting information it is encrypted with described Crypted password and obtains adding confidential information；Described encryption is close
Code is character, symbol, figure or gesture.
2. the recognition methods of an invisible two-dimension code anti-counterfeit label, it is characterised in that comprise the steps:
A ') carrier being printed on invisible two-dimensional codes is put into the Quick Response Code evaluator specified；Described Quick Response Code identification
The inside of device is provided with photographic head, and described Quick Response Code evaluator is additionally provided with the first of two kinds of different luminescence band
LED and the second LED；
B ') described carrier is fixed to ad-hoc location by described Quick Response Code evaluator；
C ') described photographic head navigates to the invisible two-dimensional codes pattern position of described carrier；
D ') open described first LED, described invisible two-dimensional codes pattern is shot by described photographic head
To the first picture；
E ') open described second LED, described invisible two-dimensional codes pattern is shot by described photographic head
To second picture；
F ') generate alignment code pattern according to described first picture and identify alignment code information；
G ') identify information code according to described alignment code information and second picture；
H ') it is decoded obtaining anti-counterfeiting information to described information code；
The code shape of one alignment code is made up of one group of 5 × 5=25 code-point, and the code shape of an information code is by one group 31
× 31-25=936 code-point composition；After the two-layer code synthesis of described alignment code pattern and information code pattern,
Form the square formation of 31 × 31.
The recognition methods of invisible two-dimension code anti-counterfeit label the most according to claim 2, it is characterised in that
The described BCH that is decoded as decodes.
The recognition methods of invisible two-dimension code anti-counterfeit label the most according to claim 3, it is characterised in that
Described step H ') farther include:
H1 ') described information code carried out BCH decoding and obtains adding confidential information；
H2 ') the described confidential information that adds is decrypted and obtains anti-counterfeiting information.
The recognition methods of invisible two-dimension code anti-counterfeit label the most according to claim 4, it is characterised in that
Described step H2 ') in input password by user and realize the described confidential information that adds is decrypted.
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| CN108109251A (en) * | 2018-02-02 | 2018-06-01 | 万众科技有限公司 | A kind of access control system based on invisible two-dimensional codes |
| CN109376834A (en) * | 2018-12-21 | 2019-02-22 | 北京印刷学院 | Infrared invisible complementary identification two-dimensional code anti-counterfeiting method |
| CN110109864B (en) * | 2019-04-17 | 2021-10-08 | 湖北瑞特威网络工程有限公司 | File management method based on invisible two-dimensional code as identification |
| CN113129030A (en) * | 2021-04-06 | 2021-07-16 | 南京质子链科技有限公司 | Calligraphy and painting anti-counterfeiting transaction platform and method based on block chain and paper pattern recognition |
| CN118037884B (en) * | 2024-04-08 | 2024-06-18 | 北京睛采智能科技有限公司 | Binary positioning code generation method, system and equipment containing trademark information |
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