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CN103824044B - By identifying that black light dot pattern is with extraction information and the method discriminated one's identification - Google Patents

By identifying that black light dot pattern is with extraction information and the method discriminated one's identification Download PDF

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Publication number
CN103824044B
CN103824044B CN201410054077.7A CN201410054077A CN103824044B CN 103824044 B CN103824044 B CN 103824044B CN 201410054077 A CN201410054077 A CN 201410054077A CN 103824044 B CN103824044 B CN 103824044B
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information
file
code value
dot pattern
black light
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CN103824044A (en
Inventor
姚为
万宏宇
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Suzhou Desmil Intelligent Technology Co Ltd
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Beijing Leader Tech Digtal Technology Co Ltd
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Abstract

The invention provides a kind of by identify black light dot pattern with extraction information and the method discriminated one's identification, including the dot pattern that generates with black light material printing on label;Read the dot pattern of label surface, gradation of image rank is regulated to preset range;Intercept the image meeting grey level;Image is resolved and CRC check, to form code value information corresponding thereto;In code value data base, search the message file corresponding with code value information, and extract message file;Message file is decoded with formed corresponding thereto, with the multimedia file of identification information;Play multimedia file, to learn the identity information of the product corresponding with dot pattern.The present invention uses dot pattern to replace the modes such as existing RFID label tag, and combines with digital technology, network technology, has the advantages such as low, the terminal low cost of manufacture of printing cost, is effectively accomplished not transreplication, the effect of identification inexpensive, convenient.

Description

By identifying that black light dot pattern is with extraction information and the method discriminated one's identification
Technical field
The present invention relates to a kind of Antiforge recognizing method, especially a kind of by identifying black light dot pattern With extraction information and the method discriminated one's identification.
Background technology
At present, exist on the market anti-counterfeiting technology be generally divided into the most false proof, code anti-fake, DNA are false proof, Nuclear track, laser holographic anti counterfeiting label and OVD technology, ink tamper-evident technology false proof, false proof, RFID Label is false proof with safety line.
But, the weak point of above anti-counterfeiting technology is as follows:
1, the most false proof, there is inquiry convenience inadequate, Query Result cannot preserve, can not solve continuously The problems such as inquiry and consumer easily dial a wrong number;
2, code anti-fake, because its technology content is the highest, itself exist easy stolen code, copy code carry out batch The serious technical defect replicated, is easily utilized by fraud clique, causes false proof inefficacy, to user enterprise Create negative effect greatly;
3, DNA is false proof, and its false proof uniqueness is higher, but expensive, so the market part occupied Antinion is little, is unfavorable for the true and false of consumer's Direct Test product;
4, nuclear track, its maximum is disadvantageous in that can be reused, it is only necessary to will mark with pen etc. Mark cleaning clean, it is possible to reuse, not there is the uniqueness of anti-fake mark, made Vacation person leaves opportunity;
5, laser holographic anti counterfeiting label and OVD technology, due to its mismanagement, some inferior laser The mark of hologram marking and emulation infiltrates market, and result is genuine untrue, and false is the most false, has ruined laser The reputation of holographic anti-counterfeiting label;
6, ink is false proof, and along with increasing of anti-forgery ink manufacturer, the effect of this anti-counterfeiting technology is the most just Do not have the effect that anti-counterfeiting is of poor quality;
7, false proof tamper-evident technology, owing to manufacturer is a lot, does not possess uniqueness, however not excluded that producer in order to Interests provide convenient for fake producer;
8, RFID label tag, uses relatively broad in industries such as admission ticket, electronics, jewelry at present, but price Costliness, is not suitable for using on a large scale in low side commodity;
9, safety line is false proof, owing to country has the strictest row in safety line paper production to paper mill Regulation of having stable political situation limits, and the most therefore its application is restricted.
Based on above-mentioned weak point, it is badly in need of that a kind of anti-counterfeit recognition technology that can solve the problem that disadvantages mentioned above occurs.
Summary of the invention
For weak point present in the problems referred to above, the invention provides one have printing cost low, Terminal low cost of manufacture, company operation low cost, user inquire about the invisible by identifying of the advantages such as convenience Optical lattice shape is with extraction information and the method discriminated one's identification.
For achieving the above object, the present invention provides a kind of by identifying that black light dot pattern is to extract letter Breath and the method discriminated one's identification, comprise the following steps:
S10, the dot pattern generated with black light material printing on label;
S20, the dot pattern of reading label surface, regulate gradation of image rank to preset range;
S30, intercept and meet the image with dot pattern of grey level
S40, image is resolved and CRC check, to form code value information corresponding thereto;
S50, the message file that lookup is corresponding with code value information in code value data base, and extract information literary composition Part;
S60, message file is decoded with formed corresponding thereto, many with identification information Media file;
S70, broadcasting multimedia file, to learn the identity information of the product corresponding with dot pattern.
Above-mentioned by identify black light dot pattern with extraction information and the method discriminated one's identification, wherein, In step slo, comprise the following steps:
The code value defined is converted to dot pattern pattern;
Dot pattern pattern is generated as by dedicated software tool the dot pattern of TIFF or BMP form;
Use infrared anti-false image printing mode that dot pattern is printed upon label surface.
Above-mentioned by identify black light dot pattern with extraction information and the method discriminated one's identification, wherein, In step S20, comprise the following steps:
Infrared reading device sends Infrared and is read out the dot pattern being solidificated in label surface, when After Infrared arrives at dot pattern surface, to obtain the image of dot pattern, and image is fed back;
Utilize infrared reading device that the image of feedback is carried out automatic exposure process, so that the gray level of image Do not reach preset range, and put it into caching, wherein, image is carried out the step of automatic exposure process Including:
Filter out unnecessary spectrum;
Catch residue spectrum;
Regulation time of exposure and figure frame per second, make the brightness of image of the full graphics frame captured reach so that The grey level of image reaches between 110~200.
Above-mentioned by identify black light dot pattern with extraction information and the method discriminated one's identification, wherein, In step s 40, the code value information through resolving and obtain after verification includes that file starts field, head Information and date information, described data message includes code value concordance list, code value bulleted list, RAW number According to item table and resource/RAW data.
Above-mentioned by identify black light dot pattern with extraction information and the method discriminated one's identification, wherein, In step s 50, comprise the following steps:
S500, by caching in extract resolve with inspection after code value information;
S501, judge current code value information whether in code value data base in the range of the code value of storage, if sentencing Disconnected result is yes, then perform S502, if if judged result is, then performs step S503, feedback code value letter It is invalid to cease, it is determined that article are false;
S502, it is scanned code value data base forming header index file group;
S504, judge whether header index file group includes the head corresponding with current code value information Information index file, if the determination result is YES, then performs step S505, if judged result is no, then holds Row step S506, feedback code value information is invalid, it is determined that article are false;
S505, judge whether header index file includes the information corresponding with current code value information File, if the determination result is YES, then performs step S507, if judged result is no, then performs step S508, Feedback code value information is invalid, it is determined that article are false;
S507, by extraction document handle in message file;
Whether S509, the header information (FileHeader) judged in current code value information are to have encrypted file, If the determination result is YES, then perform step S510, if judged result is no, then perform S511;
S510, encryption type according to the header information (FileHeader) in current code value information solve Close;
S511, according to message file select corresponding data directory message file is calculated, with Message file after process.
Above-mentioned by identify black light dot pattern with extraction information and the method discriminated one's identification, wherein, In step S510, the Encrypt and Decrypt mode of header information be xTEA Encrypt and Decrypt mode, TEA add, One in manner of decryption or AES Encrypt and Decrypt mode.
Above-mentioned by identify black light dot pattern with extraction information and the method discriminated one's identification, wherein, Step S60 comprises the following steps:
S600, extraction current information file after step S50 processes, and import in data distribution device;
S601, judge whether to need it is solved according to the type of current information file in data distribution device Close, if judging, the type of current information file is text, then perform step S70, if judging current letter The type of breath file is non-document file, then perform S602, be decrypted it;
S602, it is decrypted according to current non-document file, to form the many matchmakers with identification information Body file.
Above-mentioned by identify black light dot pattern with extraction information and the method discriminated one's identification, wherein, In step S602, the manner of decryption to non-document file is xTEA manner of decryption, TEA manner of decryption Or the one in AES manner of decryption.
Compared with prior art, the invention have the advantages that
1, the present invention uses dot pattern to replace the mode such as existing RFID label tag, and with digital technology, Network technology combines, and has that printing cost is low, terminal low cost of manufacture, company operation low cost, use Family inquiry mode advantage easily, is effectively accomplished not transreplication, the false proof purpose of identification inexpensive, convenient, Logistic management system can be widely used in, be considered one of direction of in the future false proof, logistics management;
2, owing to using multistage judgement step, therefore, the security performance of operating procedure can be improved.
Accompanying drawing explanation
Fig. 1 is the flow chart in the present invention;
Fig. 2 is the structured flowchart of code value information in the present invention;
Fig. 3 is the particular flow sheet of step S50 in Fig. 1.
Detailed description of the invention
As shown in Figure 1 to Figure 3, the present invention provides a kind of by identifying that black light dot pattern is to extract Information and the method discriminated one's identification, comprise the following steps:
S10, the dot pattern generated with black light material printing on label.
Concrete, comprise the following steps:
The code value defined is converted to dot pattern pattern;
Dot pattern pattern is generated as by dedicated software tool the dot pattern of TIFF or BMP form;
Use infrared anti-false image printing mode that dot pattern is printed upon label surface.Wherein, utilize CMYK IR printing technology, introduces the infrared image cannot observed under visible spectrum, and uses it to design The ink usage of infrared response image, reaches the pel being printed upon label surface through Infrared irradiation lower part The sightless effect of visible, part, it is simple to optical lens identification.
S20, the dot pattern of reading label surface, regulate gradation of image rank to preset range.
Concrete, infrared reading device sends Infrared to be carried out the dot pattern being solidificated in label surface Read, after Infrared arrives at dot pattern surface, to obtain the image of dot pattern, and to image Feed back;
Utilize infrared reading device that the image of feedback is carried out automatic exposure process, so that the gray level of image Do not reach preset range, and put it into caching, wherein, image is carried out the step of automatic exposure process Including:
Unnecessary spectrum is filtered out by optical filter;
Residue spectrum is caught by optical lens;
Regulation camera lens exposure time and figure frame per second, make the gray scale of the image of the full graphics frame captured Rank reaches between 110~200.
S30, intercept and meet the image with dot pattern of grey level.
If it is all the picture with dot pattern that infrared reading device is fed back to several, then picture is at warp Cross automatic exposure process after, select in several pictures closest to the grey scale values upper limit a band a little The picture of system of battle formations shape, to carry out follow-up process.
If infrared reading device is fed back to the video image with dot pattern, then this video image is divided It is segmented into several picture frames, by each picture frame after processing through automatic exposure, selects several figures Closest to a picture frame of the grey scale values upper limit in picture frame, to carry out follow-up process.
S40, image is resolved and CRC check, to form code value information corresponding thereto.
Concrete, in step s 40, the code value information obtained after parsing with verification includes that file is opened Beginning field (FileBeginFields), header information (FileHeader) and data message, in data message Including code value concordance list (CodeIndexTable), code value bulleted list (CodeTable), RAW data Item table (RawDataItemTable) and resource/RAW data (Resource/RawData).
S50, the message file that lookup is corresponding with code value information in code value data base, and extract information literary composition Part.
Wherein, in step s 50, comprise the following steps:
S500, by caching in extract resolve with inspection after code value information.
S501, judge current code value information whether in code value data base in the range of the code value of storage, if sentencing Disconnected result is yes, then perform S502, if if judged result is, then performs step S503, feedback code value letter It is invalid to cease, it is determined that article are false.
Code value data base is not before being updated, and the code value scope of its storage inside is fixing, if Code value information through resolving and draw after inspection is not comprised in code value data base, though this code value information For really, in S501, can judge that this code value information is as invalid code value successively.
S502, it is scanned code value data base forming header index file group.
S504, judge whether header index file group includes the head corresponding with current code value information Information index file, if the determination result is YES, then performs step S505, if judged result is no, then holds Row step S506, feedback code value information is invalid, it is determined that article are false.
S505, judge whether header index file includes the information corresponding with current code value information File, if the determination result is YES, then performs step S507, if judged result is no, then performs step S508, Feedback code value information is invalid, it is determined that article are false.
S507, by extraction document handle in message file.
Whether S509, the header information (FileHeader) judged in current code value information are to have encrypted file, If the determination result is YES, then perform step S510, if judged result is no, then play.
S510, encryption type according to the header information (FileHeader) in current code value information solve Close;Wherein, the encryption and decryption mode of header information be xTEA encryption and decryption mode, TEA encryption and decryption mode or One in AES encryption and decryption mode.
Judge that the header information encrypted belongs in above-mentioned three kinds of cipher modes any, and according to accordingly Cipher mode carry out deciphering corresponding thereto.
S511, according to message file select corresponding data directory message file is calculated, with Message file after process.
Wherein, data directory is divided into Hash table, simple in-order table and increment sequence list, with Hash table Corresponding algorithm is Hash location algorithm, and the algorithm corresponding with simple in-order table is simple tab order Algorithm, the algorithm corresponding with increment sequence list is increment sequential algorithm.
S60, message file is decoded with formed corresponding thereto, many with identification information Media file.
Wherein, comprise the following steps in step S60:
S600, extraction current information file after step S50 positions, and it is conducted into data distribution device In.
S601, judge whether to need it is solved according to the type of current information file in data distribution device Close, if judging, the type of current information file is text, then perform step S70, if judging current letter The type of breath file is non-document file, then perform S602, be decrypted it.
Wherein, including identification information in text, this health authentication information is and dot chart The corresponding article of shape are corresponding.
S602, it is decrypted according to current non-document file, to form the many matchmakers with identification information Body file.
Wherein, in step S602, the manner of decryption to non-document file is xTEA manner of decryption, TEA One in manner of decryption or AES manner of decryption.
If the type of non-document file is picture file, then use sub-picture decoder that it is decoded;
If the type of non-document file is video file, then use Video Decoder that it is decoded;
If the type of non-document file is audio file, then use audio decoder that it is decoded.
S70, broadcasting multimedia file, to learn the identity information of the product corresponding with dot pattern.
Wherein, if the file type with identification information is text, then direct by display screen Show;
If the file type with identification information is picture file, then directly shown by display screen Show;
If the file type with identification information is video file, then its image section passes through display screen Directly showing, voice parts is exported by power amplifier loudspeaker;
If the file type with identification information is audio file, then exported by power amplifier loudspeaker.
It addition, the dot pattern in the present invention cannot be differentiated with designated shape and naked eyes, its significant surface Long-pending not less than 3*3 square millimeter.Owing to the area of dot pattern is less, therefore, dot pattern is in attachment After article surface, its outward appearance will not be impacted.
This dot pattern is made up of by aligned transfer the information point of a diameter of 30~40 microns of least one set, and And with the shape specified.Between two information points owing to the diameter of information point is small and adjacent in advance Be provided with corresponding spacing distance, after the mode duplicated or scan replicates, adjacent two information points it Between distance can find deviation, it is intended that shape also can change, thus form the nothing that cannot be identified Effect coding, therefore, the position of information point and distance therebetween can improve the antifalsification of dot pattern Energy.In two adjacent information points, by the center of the center of first information point to the second information point Spacing between position is 80 microns.Information point in this dot pattern includes direction reference point, center Reference point and check code.
Dot pattern uses the coating that can be identified by naked eyes black light to be attached to the white space of carrier On, it is possible to the coating identified by naked eyes black light is visible coating or the invisible coating of carbon containing of carbon containing In one, the visible ink that visible coating is carbon containing of carbon containing or ink, the invisible coating of carbon containing is for containing The colorless ink of carbon 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, and therefore, only infrared ray identification device can be to label layer In information be identified.
Only as described above, only presently preferred embodiments of the present invention, be such as familiar with the special of this skill Industry personage.After understanding the technological means of the present invention, natural energy is according to actual needs, in the present invention Teaching under changed.The most all equal changes made according to scope of the present invention patent and modification, Once should still remain within the scope of the patent.

Claims (4)

1. by identify black light dot pattern with extraction information and the method discriminated one's identification, including Following steps:
S10, the dot pattern generated with black light material printing on label;
S20, the dot pattern of reading label surface, regulate gradation of image rank to preset range;
S30, intercept and meet the image with dot pattern of grey level;
S40, image is resolved and CRC check, to form code value information corresponding thereto;
S50, the message file that lookup is corresponding with code value information in code value data base, and extract information literary composition Part;
S60, message file is decoded with formed corresponding thereto, many with identification information Media file;
S70, broadcasting multimedia file, to learn the identity information of the product corresponding with dot pattern;
In step s 50, comprise the following steps:
S500, by caching in extract resolve with inspection after code value information;
S501, judge current code value information whether in code value data base in the range of the code value of storage, if sentencing Disconnected result is yes, then perform S502, if if judged result is, then performs step S503, feedback code value letter It is invalid to cease, it is determined that article are false;
S502, it is scanned code value data base forming header index file group;
S504, judge whether header index file group includes the head corresponding with current code value information Information index file, if the determination result is YES, then performs step S505, if judged result is no, then holds Row step S506, feedback code value information is invalid, it is determined that article are false;
S505, judge whether header index file includes the information corresponding with current code value information File, if the determination result is YES, then performs step S507, if judged result is no, then performs step S508, Feedback code value information is invalid, it is determined that article are false;
S507, by extraction document handle in message file;
Whether S509, the header information judged in current code value information are to have encrypted file, if judged result It is yes, then performs step S510, if judged result is no, then perform S511;
S510, encryption type according to the header information in current code value information are decrypted;
S511, according to message file select corresponding data directory message file is calculated, with Message file after process.
The most according to claim 1 by identifying that black light dot pattern is to extract information and discriminating The method of identity, it is characterised in that in step S510, the encryption and decryption mode of header information is xTEA One in encryption and decryption mode, TEA encryption and decryption mode or AES encryption and decryption mode.
The most according to claim 1 by identifying that black light dot pattern is to extract information and discriminating The method of identity, it is characterised in that comprise the following steps in step S60:
S600, extraction current information file after step S50 processes, and import in data distribution device;
S601, judge whether to need it is solved according to the type of current information file in data distribution device Close, if judging, the type of current information file is text, then perform step S70, if judging current letter The type of breath file is non-document file, then perform S602, be decrypted it;
S602, it is decrypted according to current non-document file, to form the many matchmakers with identification information Body file.
The most according to claim 3 by identifying that black light dot pattern is to extract information and discriminating The method of identity, it is characterised in that in step S602, the manner of decryption to non-document file is xTEA One in deciphering, TEA deciphering or AES manner of decryption.
CN201410054077.7A 2014-02-18 2014-02-18 By identifying that black light dot pattern is with extraction information and the method discriminated one's identification Active CN103824044B (en)

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CN115310468B (en) * 2022-08-08 2023-04-14 北京微晶物联科技有限公司 Microcrystal code scanning device and method for explosion-proof environment

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US5946427A (en) * 1994-12-09 1999-08-31 Fujitsu Limited Image reading method and image reading apparatus
CN101079114A (en) * 2007-04-23 2007-11-28 天津市阿波罗信息技术有限公司 Printing medium multimedia system multimedia broadcasting part implementation method
CN102110224A (en) * 2009-12-25 2011-06-29 金辉文 Method for preventing counterfeiting and preventing goods from fleeing by intelligent code

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Publication number Priority date Publication date Assignee Title
JP2012164214A (en) * 2011-02-08 2012-08-30 Fuji Xerox Co Ltd Recording medium

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US5946427A (en) * 1994-12-09 1999-08-31 Fujitsu Limited Image reading method and image reading apparatus
CN101079114A (en) * 2007-04-23 2007-11-28 天津市阿波罗信息技术有限公司 Printing medium multimedia system multimedia broadcasting part implementation method
CN102110224A (en) * 2009-12-25 2011-06-29 金辉文 Method for preventing counterfeiting and preventing goods from fleeing by intelligent code

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Denomination of invention: A method of extracting information and identifying identity by identifying invisible light dot matrix graphics

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