CN106056750B - Spectral signature forms banknote detection method - Google Patents
Spectral signature forms banknote detection method Download PDFInfo
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- CN106056750B CN106056750B CN201610308894.XA CN201610308894A CN106056750B CN 106056750 B CN106056750 B CN 106056750B CN 201610308894 A CN201610308894 A CN 201610308894A CN 106056750 B CN106056750 B CN 106056750B
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- currency
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- ink
- light
- feature
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- 238000001514 detection method Methods 0.000 title claims abstract description 18
- 230000003595 spectral effect Effects 0.000 title claims abstract description 15
- 238000001228 spectrum Methods 0.000 claims abstract description 60
- 238000000034 method Methods 0.000 claims abstract description 20
- 238000006243 chemical reaction Methods 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 230000003287 optical effect Effects 0.000 claims description 6
- 238000007639 printing Methods 0.000 claims description 5
- 238000003854 Surface Print Methods 0.000 claims description 3
- 238000005286 illumination Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000000465 moulding Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
- G07D2207/00—Paper-money testing devices
Landscapes
- Inspection Of Paper Currency And Valuable Securities (AREA)
Abstract
The present invention relates to a kind of banknote detection method, especially a kind of spectral signature forms banknote detection method.Currency is laid flat, currency surface is irradiated with light group, the ink feature spectrum on currency surface is obtained using light transmission or reflection, obtains currency characteristic spectrum front and back as standard feature spectrum using the method;The currency for changing different outmoded degree repeats the first step, obtains the ink feature spectrum of different outmoded degree currency, establishes the ink feature spectra database of currency;Currency to be tested is obtained into ink feature spectrum to be tested by the first step, ink feature spectrum to be tested is compared with the data in ink feature spectra database, and matching is then genuine article coin, and mismatching then is fake products coin.The above method cooperates the function of data conversion by luminous effect, realizes the purpose that plane examines the currency true and false, substantially reduces the consumptive material of cash inspecting machine, simplifies the volume of paper money counter, improve the accuracy of money-checking.
Description
Technical field
The present invention relates to a kind of banknote detection method, especially a kind of spectral signature forms banknote detection method.
Background technique
In order to identify the true and false of currency, or use various banknote detection methods, and known banknote detection method have it is several, it is artificial to detect
Although accuracy rate is also relatively high, it is not appropriate for a large amount of counting and money-checking behavior, therefore the most important method of money-checking at present
Or it is realized by cash inspecting machine, the principle of cash inspecting machine, is carried out by modes such as infrared ray, magnetic detections, such as it is infrared
Line is the anti-fake portion using infrared penetration currency, generates a stable signal, with this as standard, exception occurs just
Explanation is counterfeit money, and magnetic detection, the magnetic ink and magnetic line for predominantly detecting currency obtain stable threshold signal, is converted into
Electric signal, the signal that the characteristic that these are anti-fake if it is counterfeit money obtains have apparent difference, alarm, here it is examine item by item at present
The money-checking principle of paper money machine, but this banknote detection method is although high-efficient, but matched machine construction is also bigger,
Ask installation accuracy high, volume is big, and using when be restricted very big, be that cannot be caught partially by the counterfeit money of splicing
's.
Summary of the invention
It is an object of the present invention to overcome the shortcomings of the prior art and provide a kind of spectral signatures to form money-checking side
Method.
A kind of spectral signature molding banknote detection method of the invention and method, a kind of spectral signature molding banknote detection method,
Method is as follows: the first step lays flat currency, irradiates currency surface with light group, obtains currency table using light transmission or reflection
The ink feature spectrum in face obtains currency characteristic spectrum front and back as standard feature spectrum using the method;Second
Step, the currency for changing different outmoded degree repeat the first step, obtain the ink feature spectrum of different outmoded degree currency, establish the oil of currency
Black characteristic spectrum database;Currency to be tested is obtained ink feature spectrum to be tested by the first step by third step, to be tested
Ink feature spectrum is compared with the data in ink feature spectra database, and matching is then genuine article coin, and mismatch is then false
Currency.
The further setting of the present invention are as follows: the light group is infrared ray light group, and currency table is completely covered in infrared ray
Face, which is irradiated, to be penetrated, and the currency other side is received by receiver, and infra-red intensity is converted into voltage value, ink feature light
Spectrum is converted into voltage data, is voltage oscillogram ink feature spectral translation in illumination period, examines currency in third step
When, it is compared by voltage data.
The further setting of the present invention are as follows: the light group is reflected light group, the first step, second step, anti-in third step
Light perpendicular projection is penetrated on currency surface, is reflected using the lines of currency surface printing, spectrum acquisition plate is arranged in opposite direction, instead
Light projection is penetrated on currency surface, has the part reflected light of printing line first to reach spectrum acquisition plate, does not print the anti-of lines position
Penetrate light reach spectrum acquisition plate time it is long, be filtered or define different in reflected light of the spectrum acquisition plate for delay
Feature forms the characteristic spectrum of ink lines on spectrum acquisition plate.
The further setting of the present invention are as follows: connect optical flame detector on spectrum acquisition plate, the optical signal of preferential receipt is carried out
Signal is converted and is drawn, and is postponed received signal, is in addition drawn, with different signal characteristic set, form the characteristic light of ink
Spectrum.
The further setting of the present invention are as follows: the light group is arranged on a moving parts, is scanned to currency
Acquire signal.
The above method cooperates the function of data conversion by luminous effect, realizes the purpose that plane examines the currency true and false, leads to
Such method is crossed, the consumptive material of cash inspecting machine can be substantially reduced, utmostly simplifies the volume of paper money counter, improves the standard of money-checking
True property, because the production of counterfeit money is counterfeit various anti-false signs to realize, but due to the limitation of printing technology, currency is most difficult to
Be exactly to print, no matter which kind of counterfeit money, printing can not imitate, and method of the invention its be substantially exactly that a kind of inspection is printed
The method of situation.
Specific embodiment
A kind of spectral signature molding banknote detection method, method are as follows: the first step lays flat currency, irradiates goods with light group
Coin surface, using light transmission or reflection obtain currency surface ink feature spectrum, using the method obtain currency front with
The characteristic spectrum of reverse side is as standard feature spectrum;Second step, the currency for changing different outmoded degree repeat the first step, obtain different old
The ink feature spectrum of old degree currency, establishes the ink feature spectra database of currency;Third step passes through currency to be tested
The first step obtains ink feature spectrum to be tested, the data in ink feature spectrum to be tested and ink feature spectra database into
Row comparison, matching are then genuine article coin, and mismatching then is fake products coin.
The present invention is achieved that long-range money-checking by this banknote detection method when application, and terminal money-checking, as long as doing
Data upload, it is only necessary to a server, database is external, and the volume of cash inspecting machine can be greatly reduced, and carry
Convenient, this will overturn the current equipment of paper money counter industry, and this method has sufficiently liberated the limitation of the structure in paper money counter, realize flat
Face money-checking, because technology cannot achieve at present come money-checking by way of photo, because can not achieve currency security mark
Plane duplication the characteristic of currency security can be acquired and with this method, reappear map, be depicted as plane
Waveform or feature image, to realize long-range plane identification function.
The further setting of the present invention are as follows: the light group is infrared ray light group, and currency table is completely covered in infrared ray
Face, which is irradiated, to be penetrated, and the currency other side is received by receiver, and infra-red intensity is converted into voltage value, ink feature light
Spectrum is converted into voltage data, is voltage oscillogram ink feature spectral translation in illumination period, examines currency in third step
When, it is compared by voltage data.
The present invention carries out the conversion of spectral signal in the way of infrared penetration, and waveform diagram can be depicted as after conversion,
The identification of sequencing can be facilitated in this way, the voltage signal after conversion, processing and transmission are all more convenient, and this method is using
When, terminal only needs a light group that can complete to examine.
The further setting of the present invention are as follows: the light group is reflected light group, the first step, second step, anti-in third step
Light perpendicular projection is penetrated on currency surface, is reflected using the lines of currency surface printing, spectrum acquisition plate is arranged in opposite direction, instead
Light projection is penetrated on currency surface, has the part reflected light of printing line first to reach spectrum acquisition plate, does not print the anti-of lines position
Penetrate light reach spectrum acquisition plate time it is long, be filtered or define different in reflected light of the spectrum acquisition plate for delay
Feature forms the characteristic spectrum of ink lines on spectrum acquisition plate.
Anti-fake data through image is realized planarization money-checking using spectrum acquisition plate by the present invention, can make whole goods
Coin reflects that more comprehensively, the counterfeit money of splicing can be caught to be come money-checking, and money-checking accuracy rate is very high in the form of characteristic image.
The further setting of the present invention are as follows: connect optical flame detector on spectrum acquisition plate, the optical signal of preferential receipt is carried out
Signal is converted and is drawn, and is postponed received signal, is in addition drawn, with different signal characteristic set, form the characteristic light of ink
Spectrum.
The present invention is by converting the signal on spectrum acquisition plate, available various forms of characteristic patterns, improves
The applicability of the method for the present invention, since there are many cash inspecting machine form of application the method for the present invention, it is therefore desirable to different signal conversions
It is matched with peripheral hardware or terminating machine.
The further setting of the present invention are as follows: the light group is arranged on a moving parts, is scanned to currency
Acquire signal.
The present invention is configured with a moving parts, and so-called moving parts is exactly the equipment of similar scanner, in this way,
Terminal can be by motion scan come anti-fake, and applicability is wider, using more convenient, and substantially reduces the time of money-checking, this
Kind of banknote detection method can be directly wholely set with the public bar code scanner for selling place such as supermarket, facilitate money-checking.
Obviously, above-described embodiment is just for the sake of clearly illustrating done citing, and does not limit the embodiments.
To those of ordinary skill in the art, other various forms of variations or change can also be made on the basis of the above description
It is dynamic.There is no necessity and possibility to exhaust all the enbodiments.And obvious variation extended from this or change
It moves still in protection scope of the present invention.
Claims (2)
1. a kind of spectral signature forms banknote detection method, method is as follows:
The first step lays flat currency, irradiates currency surface with light group, the oil on currency surface is obtained using light transmission or reflection
Black characteristic spectrum obtains currency characteristic spectrum front and back as standard feature spectrum using this step;
Second step, the currency for changing different outmoded degree repeat the first step, obtain the ink feature spectrum of different outmoded degree currency, establish
The ink feature spectra database of currency;
Currency to be tested is obtained ink feature spectrum to be tested, ink feature spectrum to be tested by the first step by third step
It is compared with the data in ink feature spectra database, matching is then genuine article coin, and mismatching then is fake products coin, the light
Line group is infrared ray light group, and infrared ray, which is completely covered currency surface and is irradiated, to be penetrated, the currency other side by receiver into
Row receives, and infra-red intensity is converted into voltage value, and ink feature spectral translation is voltage data, in illumination period, ink spy
Sign spectral translation is voltage oscillogram, when third step examines currency, is compared by voltage data;Or the light
Line group is reflected light group, and the first step, second step, reflected light perpendicular projection utilizes currency surface print on currency surface in third step
The lines of brush is reflected, and spectrum acquisition plate is arranged in opposite direction, and reflected light projects have the part reflection of printing line on currency surface
Light first reaches spectrum acquisition plate, do not print lines position reflected light reach spectrum acquisition plate time it is long, in spectrum acquisition
Plate is filtered or defines different features for the reflected light of delay, and the feature of ink lines is formed on spectrum acquisition plate
Spectrum connects optical flame detector on spectrum acquisition plate, and the optical signal of preferential receipt is carried out signal conversion and is drawn, is postponed received
In addition signal is drawn, with different signal characteristic set, form the characteristic spectrum of ink.
2. spectral signature described in accordance with the claim 1 forms banknote detection method, it is characterised in that: the light group is arranged one
On a moving parts, acquisition signal is scanned to currency.
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CN201610308894.XA CN106056750B (en) | 2016-05-11 | 2016-05-11 | Spectral signature forms banknote detection method |
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CN201610308894.XA CN106056750B (en) | 2016-05-11 | 2016-05-11 | Spectral signature forms banknote detection method |
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CN106056750A CN106056750A (en) | 2016-10-26 |
CN106056750B true CN106056750B (en) | 2019-11-12 |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101458836A (en) * | 2007-12-14 | 2009-06-17 | 广州广电运通金融电子股份有限公司 | Identifying method and system for papers of value |
CN102592347A (en) * | 2012-02-24 | 2012-07-18 | 湖南丰汇银佳科技有限公司 | Method and device for carrying out identification of bank notes based on spectrum analysis technique |
CN103903326A (en) * | 2014-03-03 | 2014-07-02 | 广州科珥光电科技有限公司 | Multi-spectral counterfeit bank note detection system and method |
CN205068561U (en) * | 2015-09-29 | 2016-03-02 | 沈阳中钞信达金融设备有限公司 | Many spectral image acquisition and analysis processing system of high -speed high resolution of bank note |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2812125Y (en) * | 2005-07-13 | 2006-08-30 | 苏明儒 | Machine-read verifying device for certificates |
US9053596B2 (en) * | 2012-07-31 | 2015-06-09 | De La Rue North America Inc. | Systems and methods for spectral authentication of a feature of a document |
-
2016
- 2016-05-11 CN CN201610308894.XA patent/CN106056750B/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101458836A (en) * | 2007-12-14 | 2009-06-17 | 广州广电运通金融电子股份有限公司 | Identifying method and system for papers of value |
CN102592347A (en) * | 2012-02-24 | 2012-07-18 | 湖南丰汇银佳科技有限公司 | Method and device for carrying out identification of bank notes based on spectrum analysis technique |
CN103903326A (en) * | 2014-03-03 | 2014-07-02 | 广州科珥光电科技有限公司 | Multi-spectral counterfeit bank note detection system and method |
CN205068561U (en) * | 2015-09-29 | 2016-03-02 | 沈阳中钞信达金融设备有限公司 | Many spectral image acquisition and analysis processing system of high -speed high resolution of bank note |
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Granted publication date: 20191112 |