CN104916029A - Paper money verification system and paper money verification method based on system - Google Patents
Paper money verification system and paper money verification method based on system Download PDFInfo
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Abstract
The invention relates to a paper money verification system and a paper money verification method based on the system. The paper money verification system comprises a money verification terminal and a remote server. The money verification terminal comprises a magnetic information authentication module, an ultraviolet fluorescence authentication module, an infrared image acquisition module, a visible light image acquisition module and a first communication module. The remote server comprises a second communication module, an infrared image identification module and a crown word extracting and identification module. The paper money verification method comprises steps of local magnetic information authentication, ultraviolet fluorescence authentication, remote infrared image acquisition and crown word extracting and identification. Accuracy of money verification is improved, and use safety of the paper money is enhanced; the remote server executes the core identification technology, hardware and software of the money verification terminal can be prevented from being updated continuously, and on one hand, the updating efficiency and the updating cost are improved, and on the other hand, the core technology can be ensured to be controlled by the verification side, and the money verification terminal can be prevented from being damaged by a lawbreaker and the technology secret can be prevented from being acquired by the lawbreaker.
Description
Technical field
The present invention relates to electronic information technical field, more specifically, disclose a kind of banknote validation system and with based on the banknote validation method of this system.
Background technology
Currency is the medium of commodity exchange, is the accompaniment of human economic development and trade process.Bank note is the one of currency, its on very long monetary history in occupation of critical role, although human history has the currency of various ways in circulation, development always, even if but today of rise is started at electronic money, bank note cash circulation is still the most important mode of financial world's money flow in the world at present, can predict bank note in future also by long-term existence.In recent years, along with the fast development of China's economy, society increases day by day to the demand of cash, the actual conditions that the People's Bank surges year by year according to market currency in circulation, has issued a large amount of bank note cashes and to have circulated market.But while bank note is increasing, various counterfeit money also appears in the life of people.In order to the interests of Protection of consumer and businessman; resist spreading unchecked of counterfeit money; the appearance of currency examine terminal makes counterfeit money be difficult to circulation; but the high chi in road; evil spirit is high one zhang; although new edition bank note constantly occurs and the antiforge function of currency is constantly upgraded; but the manufacturing technology of counterfeit money is also more and more brilliant; counterfeit money and genuine note are also more and more difficult to distinguish; even some fraud technique reaches identical with genuine note; existing currency examine terminal None-identified is true and false, and this just requires that currency examine terminal needs constantly to upgrade its identification software to adapt to false distinguishing upgrading requirement.But in fact, how long a new currency examine terminal is have more than is needed will be eliminated, this currency security upgrading that goes round and begins again and the function upgrading of currency examine terminal false distinguishing, can not tackle the problem at its root; This false proof way to be gone back when Problems existing is upgraded exactly normally software systems simultaneously and is upgraded, and hardware is as a rule without the need to upgrading, if but integral replacing software and hardware during upgrading, the wasting of resources can be caused, if just carry out software upgrading, also can give currency examine terminal user and manufacture manufacturer and cause very large trouble.
China's rate of economic development comes out at the top in the world, China in 2010 has replaced Japan becomes second-biggest-in-the-world economy, cash circulation scale is very huge, various currency examine terminal is seen everywhere, but counterfeit money manufacture level is more and more higher simultaneously, paper money discrimination also becomes increasingly complex, and must improve constantly the discrimination performance of various currency examine terminal, and reduces the burden brought to user of constantly upgrading as far as possible.
Summary of the invention
The object of first aspect present invention, overcomes the deficiencies in the prior art exactly, provides a kind of banknote validation system, utilizes the multiple check that this system can realize bank note, improves the accuracy rate of currency examine, avoids currency examine terminal constantly to upgrade the burden brought to user.
In order to achieve the above object, following technical scheme is adopted:
A kind of banknote validation system, comprises currency examine terminal and remote server,
Described currency examine terminal, comprises the first control module and to be connected with the first control module:
Magnetic information false distinguishing module, for verifying whether the magnetic characteristic that bank note is printed meets pre-set specifications;
Ultraluminescence false distinguishing module, for verifying whether the security pattern that bank note is printed meets pre-set specifications;
Infrared image acquisition module, for gathering the infrared transmission image of bank note under infrared radiation;
Visible images acquisition module, for gathering bank note visible reflectance image under visible light illumination;
First communication module, for remote server communication;
Remote server, comprises the second control module and to be connected with the second control module:
Second communication module, for currency examine terminal called;
Infrared view identification module, for verifying whether infrared transmission image meets pre-set specifications;
Crown word number extracts identification module, for identifying and the crown word number extracted on visible reflectance image verify whether this crown word number meets pre-set specifications.
Further, described remote server comprises crown word number memory module, for storing the crown word number data issued bank notes, whether described crown word number is extracted identification module and is being prestored in crown word number data by the current crown word number of checking, thus judges whether current bank note meets pre-set specifications.
As a kind of specific embodiment, described first communication module and the second communication module comprise linking Internet module.
As a kind of specific embodiment, described first communication module and the second communication module comprise 2G communication module, 3G communication module or 4G communication module.
As a kind of specific embodiment, described currency examine terminal also comprises the image compression module for carrying out data compression to infrared transmission image and visible reflectance image., described remote controllers comprise for image decoder module.
As a kind of specific embodiment, described remote server is cloud computing server.
The object of second aspect present invention, be exactly disclose a kind of banknote validation method based on above-mentioned banknote validation system, the method is by sending the data to remote server, and the execution of core identification technology is responsible for by remote server, greatly reduce inconvenience and the wasting of resources that upgrading terminals equipment brings.
The method adopts following steps to realize:
S1 currency examine terminal receives bank note, and the first controller, by magnetic information false distinguishing module and Ultraluminescence false distinguishing module identification note, as being tested and appraised, then proceeds to next step;
S2 infrared image acquisition module and visible images acquisition module gather infrared transmission image and the visible reflectance image of bank note respectively;
S3 first communication module by the infrared transmission image that collects and visible reflectance image transfer to remote server;
By infrared view identification module, S4 second controller verifies whether the infrared transmission image received meets specification, extract the crown word number of bank note and judge whether this crown word number meets specification by crown word number identification extraction module;
S5 remote server by the result feedback of infrared view identification module and visible images identification module to currency examine terminal.
According to the result received, S6 currency examine terminal judges whether current banknote is counterfeit money.
As a kind of specific embodiment, in described step S4, also comprise the step crown word number of extraction and the crown word number data of the bank note of hair style defaulted in remote server being carried out contrasting, if there is the record of current crown word number in the crown word number data that prestore, illustrate that current crown word number meets pre-set specifications.
As a kind of specific embodiment, also comprise the step that the infrared transmission image collected and visible reflectance image are compressed in described step S3, in described step S4, also comprise the step that the compressed package received is decoded.
Compared with prior art, beneficial effect of the present invention is:
In the multispectral recognition technology that adds of existing authentication function, multiple check is carried out to bank note, improve the accuracy of currency examine, improve the security that bank note uses; The execution of core identification technology is positioned over remote server, avoid the continuous upgrading to currency examine terminal hardware and software, facilitate paper money discrimination technology upgrading on the one hand, improve efficiency and the cost of system upgrade, ensure that the core technology side of being verified controlled on the other hand, avoid lawless person to pass through to destroy currency examine terminal acquiring technology secret.
Accompanying drawing explanation
Fig. 1 is the composition framework schematic diagram of banknote validation system of the present invention.
Fig. 2 is rmb paper currency crown word number position view of the present invention.
Fig. 3 is the schematic flow sheet of banknote validation method of the present invention.
Embodiment
See Fig. 1, a kind of banknote validation system of the present invention, comprises currency examine terminal and remote server, wherein,
Currency examine terminal is arranged at the place that bank, market, supermarket, individual trade company etc. have counting, currency examine demand, and can be paper money counter, automatic teller machine, self-service terminal, also can be Portable bank note validator.
Magnetic information false distinguishing module, Ultraluminescence false distinguishing module, infrared image acquisition module, visible images acquisition module and the first communication module that currency examine terminal comprises the first control module and is connected with the first control module, wherein the first control module is used for carrying out entirety control to currency examine terminal, is usually held a concurrent post by the computing machine of currency examine terminal self.First communication module of currency examine terminal can be the linking Internet such as network interface card, WIFI module, also can be the communication module for long-distance radio communication such as 2G communication module, 3G communication module or 4G communication module.
Identical with existing currency examine terminating machine, first currency examine terminal of the present invention comprises the basic false distinguishing module of magnetic information false distinguishing and Ultraluminescence false distinguishing, particularly:
Magnetic information false distinguishing module is for verifying whether the magnetic characteristic that bank note is printed meets pre-set specifications.Because bank note has magnetic usually, magnetic information false distinguishing module adopts Magnetic Sensor to gather the magnetic characteristic of bank note, and according to the face amount of these feature decision bank note, towards and the true and false, it is the most effective method of paper money discrimination that magnetic characteristic detects, the method also has dependable performance simultaneously, low-cost feature.
Term " pre-set specifications " refers to the related specifications of the information such as the position about magnetic material on bank note, intensity that note issue unit specifies, this information is the basis of magnetic information false distinguishing, and false distinguishing process is the process whether character pair that contrasts current bank note is consistent with corresponding specification." pre-set specifications " is hereinafter similar, therefore repeats no more.
Ultraluminescence false distinguishing module is for verifying whether the security pattern that bank note is printed meets pre-set specifications model, different from general civilian paper, coinage paper containing any colorant and fluorescer, therefore can not adopt ultraviolet irradiation, and measures papery by the method measuring fluorescence reflection intensity; Meanwhile, under UV-irradiation, fluorescent ink can inspire visible ray formed security pattern, by pattern can differentiate bank note face amount, towards and the true and false.
Except above-mentioned basic counterfeit identifying function, banknote validation system disclosed by the invention also comprises multispectral image recognition technology, so-called multispectral image recognition technology is by the infrared transmission image of infrared image acquisition module acquires bank note under infrared radiation, bank note visible reflectance image is under visible light illumination gathered by visible images acquisition module, in above-mentioned image capture module, image acquiring device can be CIS sensor, CCD or COMS sensor.
Because bank note uses two kinds of ink mixed printings usually, these two kinds of ink are viewed as same color under visible light, but wherein a kind of absorption infrared light, a kind of through infrared light, therefore, during bank note infrared radiation, only have part visible, infrared signature is difficult to imitated and is easy to detect, be current the most effective counterfeit protection measures, utilize infrared transmission feature, identify genuine note and counterfeit money easily.
After currency examine terminal gathers above-mentioned image, discriminating material is provided for remote server finally carries out identification, in order to realize carrying out compression coding so that Internet Transmission to the image collected, described currency examine terminal also comprises the image compression module for carrying out data compression to infrared image and visible images, accordingly, described remote controllers are also provided with the image decoder module for decoding.
The remote server of native system, service is extracted for carrying out video procession, it is responsible for the banknote image that reception currency examine terminal sends over, and runs bank note infrared image identification software and crown word number extraction identification software, and verifies extracted crown word number; Calculate to deal with huge data, server end adopts cloud computing technology with Deterministic service speed.Server can be provided by currency examine terminal manufacturer, also can be provided by the third company specializing in software development.Remote server preserves by checking crown word number memory module the crown word number data message that bank issued bank notes, comprise hat information and numerical coding scope, in order to ensure the ageing of crown word number data, remote server needs regularly to upgrade crown word number data according to Bank Notes distribution of information.
Remote server comprises the second control module and the second communication module, infrared view identification module and the crown word number that are connected with the second control module extract identification module, wherein:
Second communication module, for the first communication module communication with currency examine terminal, the network access module of the first communication module and the second communication module is mutually corresponding to be arranged so that carry out coadapted data exchange between the two.
Infrared view identification module, for verifying whether infrared transmission image meets pre-set specifications;
Crown word number extracts identification module, for identifying and the crown word number extracted on visible reflectance image verify whether this crown word number meets pre-set specifications.
Crown word number on bank note, refer to the code by the Renminbi of the unified printing of People's Bank of China on banknote, crown word number is made up of jointly English alphabet and numeral, English expression hat number, numeral bank note is numbered, and is identity unique after note issue, and the crown word number of each bank note is unique, as the I.D. of people, be the basic of identification bank note.As shown in Figure 2, the crown word number of this Renminbi pattern is by English and numeral " TP35507172 " combination shown in the square frame of left side.Emission of banknotes unit is to the bank note of the different denominations issued, represented by different prefixs, and record is carried out to the numbering of the bank note issued, issued paper money and Serial Number Range can be understood by bank or bank note factory by hair style unit, and offender does not understand these information, the counterfeit money crown word number produced likely does not exist, if crown word number is not in issued scope, is then counterfeit money certainly.
After receiving the digital picture from verification terminal, crown word number extracts identification module by verifying that whether current crown word number data are prestoring in crown word number data, judge the true and false of bank note thus.
Calculate to deal with possible huge data, remote server is cloud computing server, cloud computing server can preset abundant cloud computing resources as required, and according to the checking request flow of reality, reasonable distribution is carried out to cloud computing resources, there is network congestion when avoiding being verified by one or several fixed server, and then produce the situation of checking poor in timeliness, loss of data.
See Fig. 3, based on above-mentioned banknote validation system, banknote validation method of the present invention comprises the following steps realization:
S1 currency examine terminal receives bank note, and the first controller, by magnetic information false distinguishing module and Ultraluminescence false distinguishing module identification note, as being tested and appraised, then proceeds to next step.
Verification method of the present invention comprehensively adopts multiple method to carry out paper money recognition, the integrated traditional banknote detection method of currency examine terminal, namely by Ultraluminescence irradiation and magnetic information method of inspection, bank note is differentiated, if current bank note is not by the discriminating of these two kinds of basic skills, then without the need to carrying out next step, directly be judged to be counterfeit money, otherwise, then proceed to next step.
S2 infrared image acquisition module and visible images acquisition module gather infrared transmission image and the visible reflectance image of bank note respectively.
In this step, by irradiating infrared ray and the visible ray image that also collection is corresponding to bank note, under Infrared irradiation, because genuine note adopts special ink and surface relief differs, special image can be formed, and counterfeit money is difficult to accomplish, this step gathers the data basis of the infrared projection image of bank note under infrared radiation as follow-up infrared view identification.Meanwhile, this step also gathers the banknote image clearly that bank note obtains under visible light illumination, extracts the crown word number of bank note and carry out false distinguishing and provide data basis for follow-up employing image processing techniques.
S3 first communication module by the infrared transmission image that collects and visible reflectance image transfer to remote server;
In order to save network traffics and realize the safe transmission of data, usually also comprise the step compressed the infrared projection image collected and visible reflectance image in this step, as required, compression process can be encrypted.After having compressed, image information is connected with server by internet with the form of compressed package, when being inconvenient to surf the Net, also can be sent to remote server by the form of 2G, 3G or 4G.
By infrared view identification module, S4 second controller verifies whether the infrared transmission image received meets specification, extract the crown word number of bank note and judge whether this crown word number meets specification by crown word number identification extraction module;
Rmb paper currency adds numeral number to record note issue sequence with the number of being preced with, hat number to refer to roman character before numeral or English alphabet, represent the numbering of various ticket and printing quantity, digital number is the concrete numbering in every a collection of crown word number, numeral number quantity is more, then printing number is larger, otherwise quantity is less, and number is less in addition shows its issuing date more early.The crown word number of bank note cans be compared to the I.D. of bank note, there is uniqueness, which hat number counterfeit money fabricator does not know specifically to have usually, and after also not knowing Taoist priest's cap number, numeral number has specifically been issued to how many numbers, can only recklessly concoct, therefore, as long as be aware of the issued paper money number of People's Bank of China and numeral number scope, after currency examine terminal obtains paper money number, hat number and numeral number can be checked whether to conform to Bank of China issued bank note, if be not inconsistent, then think counterfeit money.
The concept of optical character identification was put forward by Germany scientist Tausheck at first in nineteen twenty-nine, and American scientist Handel it is also proposed the idea utilizing technology to identify word afterwards.And that study printed Chinese character identification the earliest is Casey and Nagy of IBM Corporation.In general, export from image to result, must input through image, image pre-treatment, character features extraction, matching identification, the word correction of will admit one's mistake finally by manual synchronizing, by the step that result exports, in modern society, character recognition technology is very ripe, for the crown word number of carrying out printing according to standard character carry out identifying be computer realm the most common one application, repeat no more herein.
It should be noted that, in order to match with the image compression process of previous step, in this step, also comprise the process of remote server to the decoding data received.
S5 remote server by the result feedback of infrared view identification module and visible images identification module to currency examine terminal.
According to the result received, S6 currency examine terminal judges whether current banknote is counterfeit money.
Image acquisition and proof procedure are separated to reduce the trouble of in prior art, currency examine terminal machine being carried out to technology upgrading by method of the present invention, namely currency examine terminal only realizes fluorescence irradiation, magnetic information method of inspection currency examine and banknote image collection, and bank note infrared image and paper money number identification are then placed on server end and perform.
Currency examine terminal is connected by network with server end, the currency examine terminal of obtaining the authorization can send banknote image to server, server end receives infrared projection image or containing after the visible reflectance image of crown word number, namely carries out processing and identification to image, then return recognition result to currency examine terminal.Server end can be located in currency examine terminal manufacturer man or third party's currency examine technical service company, like this when paper money recognition technology upgrading, as added new identification Currency Type or paper money recognition algorithm, only need to upgrade on the remote server recognizer, currency examine terminal is then without the need to upgrading, substantially reduce the trouble of upgrading and bringing like this, also widened the management mode of currency examine terminal manufacturer simultaneously, can accomplish that the recognition technology of cash inspecting machine and hardware are separated.
Should be appreciated that, the present invention is not limited to above-mentioned embodiment, every the spirit and scope of the present invention are not departed to various change of the present invention or modification, if these are changed and modification belongs within claim of the present invention and equivalent technologies scope, then the present invention also means that comprising these changes and modification.
Claims (9)
1. a banknote validation system, comprises currency examine terminal and remote server, it is characterized in that,
Described currency examine terminal, comprises the first control module and to be connected with the first control module:
Magnetic information false distinguishing module, for verifying whether the magnetic characteristic that bank note is printed meets pre-set specifications;
Ultraluminescence false distinguishing module, for verifying whether the security pattern that bank note is printed meets pre-set specifications;
Infrared image acquisition module, for gathering the infrared transmission image of bank note under infrared radiation;
Visible images acquisition module, for gathering bank note visible reflectance image under visible light illumination;
First communication module, for remote server communication;
Remote server, comprises the second control module and to be connected with the second control module:
Second communication module, for currency examine terminal called;
Infrared view identification module, for verifying whether infrared transmission image meets pre-set specifications;
Crown word number extracts identification module, for identifying and the crown word number extracted on visible reflectance image verify whether this crown word number meets pre-set specifications.
2. banknote validation system as claimed in claim 1, it is characterized in that, described remote server comprises crown word number memory module, for storing the crown word number data issued bank notes, whether described crown word number is extracted identification module and is being prestored in crown word number data by the current crown word number of checking, thus judges whether current bank note meets pre-set specifications.
3. banknote validation system as claimed in claim 1 or 2, it is characterized in that, described first communication module and the second communication module comprise linking Internet module.
4. banknote validation system as claimed in claim 1 or 2, it is characterized in that, described first communication module and the second communication module comprise 2G communication module, 3G communication module or 4G communication module.
5. banknote validation system as claimed in claim 1, it is characterized in that, described currency examine terminal also comprises the image compression module for carrying out data compression to infrared transmission image and visible reflectance image., described remote controllers comprise for image decoder module.
6. banknote validation system as claimed in claim 1, it is characterized in that, described remote server is cloud computing server.
7., based on a banknote validation method for banknote validation system according to claim 1, it is characterized in that, comprise the following steps realization:
S1 currency examine terminal receives bank note, and the first controller, by magnetic information false distinguishing module and Ultraluminescence false distinguishing module identification note, as being tested and appraised, then proceeds to next step;
S2 infrared image acquisition module and visible images acquisition module gather infrared transmission image and the visible reflectance image of bank note respectively;
S3 first communication module by the infrared transmission image that collects and visible reflectance image transfer to remote server;
By infrared view identification module, S4 second controller verifies whether the infrared transmission image received meets specification, extract the crown word number of bank note and judge whether this crown word number meets specification by crown word number identification extraction module;
S5 remote server by the result feedback of infrared view identification module and visible images identification module to currency examine terminal.
According to the result received, S6 currency examine terminal judges whether current banknote is counterfeit money.
8. banknote validation method as claimed in claim 7, it is characterized in that, in described step S4, also comprise the step crown word number of extraction and the crown word number data of the bank note of hair style defaulted in remote server being carried out contrasting, there is the record of current crown word number if prestored in crown word number data, illustrate that current crown word number meets pre-set specifications.
9. banknote validation method as claimed in claim 7, it is characterized in that, also comprise the step that the infrared transmission image collected and visible reflectance image are compressed in described step S3, in described step S4, also comprise the step that the compressed package received is decoded.
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Application publication date: 20150916 |