CN103679241A - Generation method and identification method for invisible two-dimension code anti-counterfeit label - Google Patents
Generation method and identification method for invisible two-dimension code anti-counterfeit label Download PDFInfo
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Abstract
The invention provides a generation method for an invisible two-dimension code anti-counterfeit label. The generation method includes the following steps that anti-counterfeit information is input; whether encryption is needed or not is judged, and if yes, a next step is executed; otherwise, the next step is skipped to execute the follow-up steps; the anti-counterfeit information is encrypted to obtain encrypted information; the anti-counterfeit information or the encrypted information is coded to generate an invisible two-dimension pattern; the invisible two-dimension pattern is divided into a positioning code pattern and an information code pattern and generates corresponding two layers of films; at least two kinds of printing ink or carbon powder with different wave band photoreception are used for printing the positioning code pattern and the information code pattern on appointed positions of a bearing article respectively. The invention further relates to an identification method for the invisible two-dimension code anti-counterfeit label. Through the implementation of the generation method and the identification method for the invisible two-dimension code anti-counterfeit label, the label has the advantages of being good in anti-counterfeit effect and not prone to being counterfeited, the manufacturing process is simple, production cost is low, and coding information amount is large.
Description
Technical field
The present invention relates to false proof field, particularly a kind of generation method and recognition methods of invisible two-dimensional codes antifalsification label.
Background technology
Anti-counterfeiting technology refers to the measure of taking in order to reach false proof object, and it can accurately be discerned the false from the genuine within the specific limits, and is difficult for the technology that is imitated and copies.Be exactly briefly prevent from copying, counterfeit technology.For a kind of precaution technical measures of protecting brand names, protection market, protection consumers in general legitimate rights and interests to take.
In the orientation product using at present, wherein, first generation anti-fake product is to take the product that laser anti-counterfeit is representative, consumer does not recognize the ability that label is true and false yet, its antifalse effect is poor, label is also easily forged, and in the situation that lacking contrast property, 60% counterfeit and 100% genuine piece are difficult to confirm; Next is that temperature becomes label, although consumer is easy to identification, is also easy to forge.The nuclear track anti-counterfeit etc. in addition simultaneously developing.
Second generation anti-fake product is query formulation numerical code anti-fake label, consumer can pass through the true and false of phone, note, internet checking digital label, but because Anti-fake digital is just printed on paper surface, so itself be easy to be forged, its antifalse effect is also poor.
Third generation anti-fake product is texture anti-fake label, and texture anti-fake is to take a kind of anti-counterfeiting technology that the intrinsic speckle mark of wrappage itself is anti-counterfeit recognition mark.Natural speckle always varies, and if fingerprint, wood grain, bag, zebra-stripe, ice line, the dry and cracked textures such as ground are all random, unique, can not have two duplicate textures.Utilize this principle, select the wrappage of clean mark to make antifalsification label, the speckle mark of each piece of label material is taken, numbers, files, deposited in false proof database.Consumer can be by internet, fax, Help by Phone archives, tell truth from falsehood, and have improved forgery difficulty in random principle.But owing to need to speckle mark be taken, numbers, be filed etc., its complex manufacturing process at every turn.
The 4th generation anti-fake product be mainly safety line cheque paper technology and application product thereof, comprise the false proof instructions of various product and conformity certification, Anti-faking bottle label, antifalsification label etc.Consumer easily realizes truth identification in the middle of can whether being embedded in paper by identification safety line.The imitated threshold of this class anti-counterfeiting technology product is high, cannot realize and forging by the method for printing, has really accomplished " be easy to identification, be difficult to forge ", therefore, be the most effective anti-counterfeiting technology product in period current and that future is quite long, its antifalse effect is better, but production cost is higher.In addition, traditional invisible two-dimensional codes coding information quantity is less, is not suitable for doing commodity counterfeit prevention.
Summary of the invention
The technical problem to be solved in the present invention is, the defect that above-mentioned antifalse effect for prior art is poor, be easily forged, complex manufacturing process, production cost is higher, coding information quantity is less auto heterodyne effect do not reach demand, provide a kind of antifalse effect better, be not easy to be forged, generation method and the recognition methods of manufacturing process is simple, production cost is lower, coding information quantity is larger invisible two-dimensional codes antifalsification label.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of generation method of invisible two-dimensional codes antifalsification label, comprise the steps:
A) input anti-counterfeiting information;
B) judge whether to need to encrypt, in this way, execution step C); Otherwise, execution step D);
C) described anti-counterfeiting information is encrypted and obtains enciphered message;
D) described anti-counterfeiting information or enciphered message are encoded and generated 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 corresponding two-layer film;
F) use ink or the carbon dust of at least two kinds of different-waveband sensitization that described alignment code pattern and information code pattern are printed onto respectively on the assigned address of carrier.
In the generation method of invisible two-dimensional codes antifalsification label of the present invention, described step C) further comprise:
C1) input Crypted password;
C2) described anti-counterfeiting information is encrypted and obtains enciphered message with described Crypted password.
In the generation method of invisible two-dimensional codes antifalsification label of the present invention, described in be encoded to Bose-Chaudhuri-Hocquenghem Code.
In the generation method of invisible two-dimensional codes antifalsification label of the present invention, described alignment code pattern comprises a plurality of code-points, and described a plurality of code-points are arranged with box formation, and the distance between any two code-points equates.
In the generation method of invisible two-dimensional codes antifalsification label of the present invention, described information code pattern comprises a plurality of code-points, and in described information code pattern, the number of code-point is greater than the code-point number in described alignment code pattern.
The invention still further relates to a kind of recognition methods of invisible two-dimensional codes antifalsification label, comprise the steps:
A ') carrier that is printed on invisible two-dimensional codes is put into the Quick Response Code recognizer of appointment; The inside of described Quick Response Code recognizer is provided with camera, is also provided with a LED lamp and the 2nd LED lamp of two kinds of luminous wave bands of difference on described Quick Response Code recognizer;
B ') described Quick Response Code recognizer is fixed to ad-hoc location by described carrier;
C ') described camera navigates to the invisible two-dimensional codes pattern position of described carrier;
D ') open a described LED lamp, described camera is taken and is obtained the first picture described invisible two-dimensional codes pattern;
E ') open described the 2nd LED lamp, described camera is taken and is obtained second picture described invisible two-dimensional codes pattern;
F ') according to described the first picture, generate alignment code pattern and identify alignment code information;
G ') according to described alignment code information and second picture, identify information code;
H ') described information code is decoded and obtained anti-counterfeiting information.
In the recognition methods of invisible two-dimensional codes antifalsification label of the present invention, described in be decoded as BCH decoding.
In the recognition methods of invisible two-dimensional codes antifalsification label of the present invention, described step H ') further comprise:
H1 ') described information code is carried out BCH decoding and obtained enciphered message;
H2 ') described enciphered message is decrypted and obtains anti-counterfeiting information.
In the recognition methods of invisible two-dimensional codes antifalsification label of the present invention, described step H2 ') in, by user, inputting password realizes described enciphered message is decrypted.
Implement generation method and the recognition methods of invisible two-dimensional codes antifalsification label of the present invention, there is following beneficial effect: due to anti-counterfeiting information or enciphered message are generated to invisible two-dimensional codes pattern by coding, and invisible two-dimensional codes pattern is divided into alignment code pattern and information code pattern, use ink or the carbon dust of at least two kinds of different-waveband sensitization that alignment code pattern and information code pattern are printed onto respectively on the assigned address of carrier, owing to adopting two-layer pattern, so its coding information quantity is larger, antifalse effect is better, be not easy to be forged, in production run, only need to change ink or the carbon dust of production use, so its production cost is lower, its fabrication is simple.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 generates the process flow diagram of method in the generation method of invisible two-dimensional codes antifalsification label of the present invention and embodiment of recognition methods;
Fig. 2 in described embodiment is encrypted anti-counterfeiting information the particular flow sheet that obtains enciphered message;
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 is alignment code pattern and the information code pattern schematic diagram after synthetic in described embodiment;
Fig. 6 is the process flow diagram of recognition methods in described embodiment;
Fig. 7 decodes and obtains the particular flow sheet of anti-counterfeiting information information code in described embodiment.
Embodiment
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, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Invisible two-dimensional codes anti-counterfeiting technology refers to utilizes colourless stealthy consumptive material (as fluorescent ink, fluorescence carbon dust, fluorescence colour band, infrared printing ink etc.), by the mode of printing or print, two-dimensional bar code is exported, two-dimensional bar code is that naked eyes are invisible under normal conditions, and only has special recognizer can understand a kind of automatic identification technology of the information that under this state, encrypt Quick Response Code the inside.In the generation method and recognition methods embodiment of invisible two-dimensional codes antifalsification label of the present invention, the process flow diagram of the generation method of its invisible two-dimensional codes antifalsification label as shown in Figure 1.In Fig. 1, this generation method comprises:
Step S01 inputs anti-counterfeiting information: in this step, with special-purpose Quick Response Code, generate software, input anti-counterfeiting information.
Step S02 judges whether to need to encrypt: in this step, judge whether to need to encrypt, if the result of judgement is yes, perform step S03; Otherwise, execution step S04.
Step S03 is encrypted anti-counterfeiting information to obtain enciphered message: if judgment result is that of above-mentioned steps S02 is to carry out this step.In this step, anti-counterfeiting information is encrypted and obtains enciphered message, by encrypting, can strengthen the difficulty of being copied like this.About the mode of encrypting, can have multiple.It is worth mentioning that, execute this step, execution step S04.
Step S04 encodes and generates invisible two-dimensional codes pattern anti-counterfeiting information or enciphered message: if the determination result is NO for above-mentioned steps S02, carry out this step.In this step, anti-counterfeiting information or enciphered message are encoded and generated invisible two-dimensional codes pattern, by coding, can further strengthen the difficulty of being copied, increase security.In the present embodiment, the above-mentioned Bose-Chaudhuri-Hocquenghem Code that is encoded to, is about to above-mentioned anti-counterfeiting information or enciphered message and utilizes BCH code to encode.
Step S05 is divided into alignment code pattern and information code pattern by invisible two-dimensional codes pattern, and generate the corresponding two-layer film: in this step, invisible two-dimensional codes pattern is divided into alignment code pattern and information code pattern, and the two-layer film corresponding to generation, 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 large, substantially exceed common invisible two-dimensional codes coded message, common invisible two-dimensional codes can only be encoded several Chinese characters to maximum tens Chinese characters, and in the present embodiment owing to adopting two-layer pattern and particular design, make coded message can reach 1000 more than Chinese character, meet or exceed QR(Quick Response, rapid reaction) code capacity of Quick Response Code.
Step S06 is used ink or the carbon dust of at least two kinds of different-waveband sensitization that alignment code pattern and information code pattern are printed onto respectively on the assigned address of carrier: in this step, use ink or the carbon dust of at least two kinds of different-waveband sensitization that alignment code pattern and information code pattern are printed onto respectively on the assigned address of carrier, in the present embodiment, be exactly specifically to use printing equipment or printer, with the ink of two kinds of different-waveband sensitization, two-layer pattern in 2 D code (alignment code pattern and information code pattern) be printed onto on the ad-hoc location of carrier.In the present embodiment, the invisible two-dimensional codes of particular design, for using two-layer pattern to form a Quick Response Code, needs ink or the carbon dust of two kinds of different wavelength photoreceptors, need to carry out twice printing.Can make like this antifalse effect strengthen, the difficulty of being copied is larger.
For the present embodiment, above-mentioned steps S03 is further refinement also, and the process flow diagram after its refinement as shown in Figure 2.In Fig. 2, above-mentioned steps S03 further comprises:
Step S31 inputs Crypted password: in this step, user inputs Crypted password.
Step S32 is encrypted anti-counterfeiting information obtain with Crypted password enciphered message: in this step, the Quick Response Code generation software of above-mentioned special use just anti-counterfeiting information is first encrypted with the Crypted password of user's input, and generate the information encrypted, in the present embodiment, the information of encrypting is referred to as to enciphered message.Certainly, Crypted password can be variety of way: for example character, symbol, figure, gesture etc.By encrypting, can strengthen the security of information.
Fig. 3 is the schematic diagram of alignment code pattern in the present embodiment, and in Fig. 3, alignment code pattern comprises a plurality of code-points, and above-mentioned a plurality of code-points are arranged with box formation, and the distance between any two code-points equates.Particularly, in the present embodiment, the code shape of an alignment code is comprised of one group of 5x5=25 code-point, and code-point represents by solid dot.
Fig. 4 is the schematic diagram of information code pattern in the present embodiment, and in Fig. 4, information code pattern comprises a plurality of code-points, and in information code pattern, the number of code-point is greater than the code-point number in alignment code pattern.Particularly, in the present embodiment, the code shape of an information code is comprised of one group of 31x31-25=936 code-point, and code-point is solid dot.
Fig. 5 is alignment code pattern and the information code pattern schematic diagram after synthetic in the present embodiment; In Fig. 5, after the two-layer code of alignment code pattern and information code pattern is synthetic, form the square formation of a 31x31.
The present embodiment also relates to a kind of recognition methods of invisible two-dimensional codes antifalsification label, and its process flow diagram as shown in Figure 6.In Fig. 6, the recognition methods of this invisible two-dimensional codes antifalsification label comprises the steps:
Step S01 ' puts into the carrier that is printed on invisible two-dimensional codes the Quick Response Code recognizer of appointment: this step, the carrier that is printed on invisible two-dimensional codes is put into (special use) Quick Response Code recognizer of appointment, the inside of this Quick Response Code recognizer is provided with camera, on this Quick Response Code recognizer, be also provided with in addition a LED lamp and the 2nd LED lamp of two kinds of luminous wave bands of difference, namely the luminous wave band of LED etc. is to be in different wave bands from the luminous wave band of the 2nd LED.
Step S02 ' Quick Response Code recognizer is fixed to ad-hoc location by carrier: in this step, Quick Response Code recognizer is fixed to ad-hoc location by carrier.
Step S03 ' camera navigates to the invisible two-dimensional codes pattern position of carrier: in this step, the camera of Quick Response Code recognizer inside is positioned, and concrete is exactly the camera of Quick Response Code recognizer inside to be navigated to the invisible two-dimensional codes pattern position of carrier.
Step S04 ' opens a LED lamp, and camera is taken and obtained the first picture invisible two-dimensional codes pattern: in this step, open a LED lamp, camera is taken and obtained the first picture invisible two-dimensional codes pattern.
Step S05 ' opens the 2nd LED lamp, and camera is taken and obtained second picture invisible two-dimensional codes pattern: in this step, open the 2nd LED lamp, camera is taken and obtained second picture invisible two-dimensional codes pattern.
Step S06 ' generates alignment code pattern and identifies alignment code information according to the first picture: in this step, the software of Quick Response Code recognizer inside generates alignment code pattern according to the first picture, and identifies alignment code information.
Step S07 ' identifies information code according to alignment code information and second picture: in this step, according to alignment code information and second picture, identify information code.
Step S08 ' decodes and obtains anti-counterfeiting information information code: software is decoded information code, and this is decoded as BCH decoding, uses BCH decoding software to decode and obtain anti-counterfeiting information information code.The recognition methods of this invisible two-dimensional codes antifalsification label is simple, easy to use.
For the present embodiment, above-mentioned steps S08 ' is further refinement also, and the process flow diagram after its refinement as shown in Figure 7.In Fig. 7, above-mentioned steps S08 ' further comprises:
Step S81 ' carries out BCH decoding and obtains enciphered message information code: in this step, information code is carried out BCH decoding and obtained enciphered message, the information (enciphered message) that namely adopts BCH decoding software to decode and obtain encrypting information code.
Step S82 ' is decrypted and obtains anti-counterfeiting information to enciphered message: in this step, enciphered message is decrypted and obtains anti-counterfeiting information, specifically by user, input password and realize described enciphered message is decrypted.In other words, the software that is exactly Quick Response Code recognizer inside utilizes user's password to the anti-counterfeiting information deciphering of encrypting, and obtains final anti-counterfeiting information.
In a word, in the present embodiment, adopted the mode of two-layer pattern (alignment code and information code) stack, one deck pattern is for alignment code, the function of alignment code is for locating, determine position and the orientation of information pattern, and another layer of pattern is for information code (data content).Owing to having separated alignment code and information code, make the identification of coding become and be more prone to, by the expansion of pattern, more data content is encoded.Its coding information quantity is large, is applicable to 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 preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (9)
1. a generation method for invisible two-dimensional codes antifalsification label, is characterized in that, comprises the steps:
A) input anti-counterfeiting information;
B) judge whether to need to encrypt, in this way, execution step C); Otherwise, execution step D);
C) described anti-counterfeiting information is encrypted and obtains enciphered message;
D) described anti-counterfeiting information or enciphered message are encoded and generated 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 corresponding two-layer film;
F) use ink or the carbon dust of at least two kinds of different-waveband sensitization that described alignment code pattern and information code pattern are printed onto respectively on the assigned address of carrier.
2. the generation method of invisible two-dimensional codes antifalsification label according to claim 1, is characterized in that, described step C) further comprise:
C1) input Crypted password;
C2) described anti-counterfeiting information is encrypted and obtains enciphered message with described Crypted password.
3. the generation method of invisible two-dimensional codes antifalsification label according to claim 1 and 2, is characterized in that, described in be encoded to Bose-Chaudhuri-Hocquenghem Code.
4. the generation method of invisible two-dimensional codes antifalsification label according to claim 3, is characterized in that, described alignment code pattern comprises a plurality of code-points, and described a plurality of code-points are arranged with box formation, and the distance between any two code-points equates.
5. the generation method of invisible two-dimensional codes antifalsification label according to claim 4, is characterized in that, described information code pattern comprises a plurality of code-points, and in described information code pattern, the number of code-point is greater than the code-point number in described alignment code pattern.
6. a recognition methods for invisible two-dimensional codes antifalsification label, is characterized in that, comprises the steps:
A ') carrier that is printed on invisible two-dimensional codes is put into the Quick Response Code recognizer of appointment; The inside of described Quick Response Code recognizer is provided with camera, is also provided with a LED lamp and the 2nd LED lamp of two kinds of luminous wave bands of difference on described Quick Response Code recognizer;
B ') described Quick Response Code recognizer is fixed to ad-hoc location by described carrier;
C ') described camera navigates to the invisible two-dimensional codes pattern position of described carrier;
D ') open a described LED lamp, described camera is taken and is obtained the first picture described invisible two-dimensional codes pattern;
E ') open described the 2nd LED lamp, described camera is taken and is obtained second picture described invisible two-dimensional codes pattern;
F ') according to described the first picture, generate alignment code pattern and identify alignment code information;
G ') according to described alignment code information and second picture, identify information code;
H ') described information code is decoded and obtained anti-counterfeiting information.
7. the recognition methods of invisible two-dimensional codes antifalsification label according to claim 6, is characterized in that, described in be decoded as BCH decoding.
8. the recognition methods of invisible two-dimensional codes antifalsification label according to claim 7, is characterized in that, described step H ') further comprise:
H1 ') described information code is carried out BCH decoding and obtained enciphered message;
H2 ') described enciphered message is decrypted and obtains anti-counterfeiting information.
9. the recognition methods of invisible two-dimensional codes antifalsification label according to claim 8, is characterized in that, described step H2 ') in by user, input password and realize described enciphered message is decrypted.
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| CN105338225A (en) * | 2014-07-24 | 2016-02-17 | 南昌欧菲光电技术有限公司 | Camera module |
| CN106447003A (en) * | 2016-11-01 | 2017-02-22 | 安徽拾穗谷生态科技有限公司 | Method for manufacturing and identifying two-dimensional code anti-counterfeit label of agricultural product |
| CN106960238A (en) * | 2017-04-18 | 2017-07-18 | 河南省邮电印刷厂 | It is a kind of to be used for the construction method of false proof character in Quick Response Code |
| CN107153860A (en) * | 2016-03-04 | 2017-09-12 | 东莞文胜鼎电子科技有限公司 | Antifalsification label identifying device, antifalsification label recognition methods and antifalsification label |
| CN107748993A (en) * | 2017-10-20 | 2018-03-02 | 北京甘湜科技有限公司 | A kind of item verification method and device based on Quick Response Code |
| 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 stealthy complementary identification dimension code anti-counterfeit method |
| CN109643385A (en) * | 2016-08-23 | 2019-04-16 | V.L.工程公司 | Hidden bar code and other concealed signs are read using physically unmodified smart phone |
| CN110109864A (en) * | 2019-04-17 | 2019-08-09 | 湖北瑞特威网络工程有限公司 | Folder document management method based on invisible two-dimensional codes as mark |
| 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 |
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