CN104008597A - Authenticity test method for marketable security and related device - Google Patents
Authenticity test method for marketable security and related device Download PDFInfo
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- CN104008597A CN104008597A CN201410201007.XA CN201410201007A CN104008597A CN 104008597 A CN104008597 A CN 104008597A CN 201410201007 A CN201410201007 A CN 201410201007A CN 104008597 A CN104008597 A CN 104008597A
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- securities
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
- G07D7/00—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
- G07D7/20—Testing patterns thereon
- G07D7/202—Testing patterns thereon using pattern matching
- G07D7/2041—Matching statistical distributions, e.g. of particle sizes orientations
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- Computer Vision & Pattern Recognition (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Inspection Of Paper Currency And Valuable Securities (AREA)
Abstract
The embodiment of the invention provides an authenticity test method for a marketable security and a related device. The authenticity test method for the marketable security comprises the steps that scanning is carried out on magnetism distribution of the detected marketable security to obtain a magnetism distribution image of the marketable security; optical scanning is carried out on the detected marketable security to obtain an optical image of the marketable security; the magnetism distribution image and the optical image are intersected and overlapped to obtain a composite image of the marketable security; the composite image of the detected marketable security and the composite image of a true marketable security stored in advance are compared to judge whether image features are matched, if the image features are matched, it is determined that the detected marketable security is true, and otherwise the detected marketable security is false.
Description
Technical field
The invention belongs to true and false inspection technology field, relate in particular to a kind of true and false method of inspection and relevant apparatus of securities.
Background technology
At present the true and false verification of the securities such as such as banknote is mainly divided into two kinds: image detection and magnetic detection.Certain or some regions that wherein magnetic detection mainly detects securities have nonmagnetic and habit is strong and weak.This in fact only has the nonmagnetic characteristic detection of carrying out to the magnetic regions of securities, and fake producer can very easily forge magnetic anti-counterfeit at securities in this magnetic regions having by the applying materials of magnetic class completely.
Therefore the securities true and false method of inspection of the prior art can easily be overcome by fake producer, and the accuracy of inspection has much room for improvement.
Summary of the invention
In view of this, the object of the invention is to the true and false method of inspection and the first key device thereof of securities, the accuracy that can improve assay.
For achieving the above object, the embodiment of the present invention provides a kind of true and false method of inspection of securities, comprising:
The magnetic of detected securities is distributed and scans the magnetic distributed image that obtains these securities;
These detected securities are carried out optical scanning and are obtained the light image of these securities;
The described magnetic distributed image obtaining and light image are carried out to juxtaposition processing, obtain the composograph of these detected securities;
The composograph of the composograph of described detected securities and pre-stored true securities is compared, judged whether characteristics of image mates, if coupling judges that these detected securities are as genuine securities; Otherwise, judge that these detected securities are as false securities.
In a preferred embodiment, the described magnetic to detected securities distributes and scan the magnetic distributed image that obtains these securities and comprise: the magnetic distribution of the magnetic regions to detected securities scans the magnetic distributed image of the magnetic regions that obtains these securities;
These detected securities are carried out to the light image that optical scanning obtains these securities to be comprised: the magnetic regions of these detected securities is carried out optical scanning and obtained the light image of the magnetic regions of these securities.
In a preferred embodiment, the method also comprises: the magnetic regions position of determining securities.
In a preferred embodiment, the described composograph by the composograph of described detected securities and pre-stored true securities is compared and is comprised:
According to the kind of described detected securities, the composograph of described detected securities is compared with the composograph of the true securities of pre-stored corresponding kind.
In a preferred embodiment, the composograph of the composograph of described detected securities and pre-stored true securities is compared, is judged whether characteristics of image mates to comprise:
The textural characteristics of the composograph of the textural characteristics of the composograph of detected securities and pre-stored true securities is compared, judge whether this characteristics of image mates.
The present invention also provides a kind of true and false calibration equipment of securities on the other hand, comprising:
Magnetic distributed image scanning element, distributes and scans the magnetic distributed image that obtains these securities for the magnetic of the securities to detected;
Light scanning unit, obtains the light image of these securities for these detected securities are carried out to optical scanning;
Image synthesis unit, for the described magnetic distributed image obtaining and light image are carried out to juxtaposition processing, obtains the composograph of these detected securities;
Image comparing unit, for the composograph of the composograph of described detected securities and pre-stored true securities is compared, judges whether characteristics of image mates, if coupling judges that these detected securities are as genuine securities; Otherwise, judge that these detected securities are as false securities.
In a preferred embodiment, described light scanning unit comprises:
Visible light emitter, for launching visible ray to described detected securities;
Optical receiver, for receiving the reflected light being reflected back from described detected securities, obtains the visible image signal of described detected securities.
In a preferred embodiment, the signal of described light scanning unit output after the amplification of the first amplifier and the analog to digital conversion of the first analog to digital converter, outputs in described image synthesis unit successively.
In a preferred embodiment, the magnetic distributed image signal of described magnetic distributed image scanning element output after the amplification of the second amplifier and the analog to digital conversion of the second digital to analog converter, outputs in described image synthesis unit successively.
In a preferred embodiment, described image comparing unit is specifically compared the textural characteristics of the composograph of the textural characteristics of the composograph of detected securities and pre-stored true securities, judges whether the characteristics of image of described magnetic distributed image and light image mates.
In the present embodiment, scheme is obtained magnetic distributed image and the light image of detected securities, and this two width image is carried out to juxtaposition processing obtain composograph, whether the characteristics of image by this composograph and the contract image of true securities the true and false of these securities of matching judgment, compared to magnetic detection method of the prior art, testing result is more accurate.
Brief description of the drawings
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 some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the schematic flow sheet of an embodiment of the true and false method of inspection of securities provided by the invention;
Fig. 2 is the schematic diagram of an embodiment of the true and false calibration equipment of securities provided by the invention;
Fig. 3 is the schematic diagram of a kind of specific implementation of the true and false calibration equipment of the securities in Fig. 2 embodiment.
Embodiment
For making object, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Fig. 1 is the schematic flow sheet of an embodiment of the true and false method of inspection of securities provided by the invention.In embodiments of the present invention, securities include but not limited to bank note, coupons etc.As shown in Figure 1, the method following steps:
Step S101: the magnetic of detected securities is distributed and scans the magnetic distributed image that obtains these securities.
Inventor finds by checking, and the magnetic regions on securities is actually the image of a width magnetic, for example pattern in a house, and wherein the window frame part of window is magnetic, and glass does not have magnetic, house beam is magnetic, watt does not have magnetic.Magnetic detection of the prior art is only to detect this region to have nonmagneticly, obtains magnetic distributed image and the magnetic of securities is distributed to scan in the embodiment of the present invention.
The magnetic that can carry out full width to the detected securities in practice scanning that distributes obtains the magnetic distributed image of full width, but in fact securities tool is magnetic is only often a part of region, in order to save the workload of magnetic distribution scanning, can consider that only the magnetic distribution of the magnetic regions to detected securities scans, obtain the magnetic distributed image of the magnetic regions of these securities.
In practice, in the time that scanning, the magnetic distribution of the magnetic regions to securities there is the problem of the location of a magnetic regions, the method can also comprise the step of the magnetic regions position of determining securities for this reason, address this problem and have two schemes at least, a kind of scheme is: in advance according to the information of the magnetic regions position of acquired various securities, directly find magnetic regions position corresponding to current securities type, for example, the magnetic regions position of 5 yuan of face amount banknotes and the magnetic regions position of 10 yuan of face amount banknotes are all known in advance, there are 5 yuan of face amount banknotes to carry out the position that just can learn fast the magnetic regions of this banknote when magnetic distributes scanning when actual like this, another kind of scheme is the definite mode in scanning limit, limit: securities are lined by line scan, the border that the boundary definition that has magnetic distribution to scanning is magnetic regions, and then the information of acquisition magnetic regions, the minimum rectangular area that the border that this magnetic distributes can distribute for encasing this magnetic, also can be defined as the row that occurs for the first time magnetic to the region occurring for the last time between the row of magnetic.
Step S102: detected securities are carried out optical scanning and obtained the light image of these securities.
The optical scanning here can utilize visible ray to complete, and also can utilize invisible light (such as infrared light, ultraviolet light etc.) to complete.Concrete implementation is: detected securities are carried out to an optical scanning for visible ray, obtain the visible images of these detected securities.
If in step S101, the magnetic that detected securities are carried out to the full width scanning that distributes obtains the magnetic distributed image of full width, and the optical scanning of also detected securities being carried out to full width in step S102 obtains the light image of full width.If in step S101, the magnetic of the magnetic regions to detected securities distributes and scans, and in step S102, also the magnetic regions of these detected securities is carried out optical scanning and obtained the light image of the magnetic regions of these securities.
Step S103: juxtaposition processing is carried out in the light image that the magnetic distributed image that step S101 is obtained and step S102 obtain, and obtains the composograph of detected securities.
Step S104: the composograph of the composograph of detected securities and pre-stored true securities is compared, judged whether characteristics of image mates, if coupling judges that these detected securities are as genuine securities; Otherwise, judge that these detected securities are as false securities.
Characteristics of image comparison has a variety of concrete implementations, one preferred embodiment in, the textural characteristics of the composograph of the textural characteristics of the composograph by detected securities and pre-stored true securities is compared, and realizes and judges whether this characteristics of image mates.
In the time adopting textural characteristics to mate, the scanning resolution while conventionally requiring magnetic distributed image and light image to obtain can obtain certain requirement, for example, reach 50-100DPI.
In the present invention, be further reduction workload, can be according to the classification of detected securities, the composograph of detected securities is compared with the composograph of the true securities of pre-stored corresponding classification, judge whether characteristics of image mates.Here the classification of indication generally refers to the detection that need not rely on smart machine, with the naked eye just than the classification that is easier to distinguish.
As securities classified according to country origin: Renminbi, franc, dollar etc.Like this, in the time that Renminbi is detected, just can be only the composograph of the true securities of itself and pre-stored Renminbi be compared.
Certainly, also securities can be classified according to the amount of money, as digital watch is shown 5,10,100 etc.
Further plurality of classes mode can be combined, as 5 of Renminbi yuans.This point can be distinguished easily from naked eyes, afterwards as long as the composograph of itself and the pre-stored true securities of 5 yuans is compared.
The true and false method of inspection of the securities in the present embodiment is obtained magnetic distributed image and the light image of detected securities, and this two width image is carried out to juxtaposition processing obtain composograph, whether the characteristics of image by this composograph and the contract image of true securities the true and false of these securities of matching judgment, compared to magnetic detection method of the prior art, testing result is more accurate.
Fig. 2 shows the schematic diagram of an embodiment of the true and false calibration equipment of securities provided by the invention, as shown in Figure 2, this device comprises: magnetic distributed image scanning element 201, light scanning unit 202, image synthesis unit 204 and image comparing unit 203.
Wherein, magnetic distributed image scanning element 201 distributes and scans the magnetic distributed image that obtains these securities the magnetic of detected securities.The magnetic that can carry out full width to the detected securities in practice scanning that distributes obtains the magnetic distributed image of full width, but in fact securities tool is magnetic is only often a part of region, in order to save the workload of magnetic distribution scanning, can consider that only the magnetic distribution of the magnetic regions to detected securities scans, obtain the magnetic distributed image of the magnetic regions of these securities.In practice, in the time that the magnetic distribution of the magnetic regions to securities scans, there is the problem of the location of a magnetic regions, can also increase magnetic regions determining unit 205, for determining the magnetic regions position of securities for this reason.Magnetic regions determining unit 205 determines that the mode of position has two kinds at least, a kind of scheme is: in advance according to the information of the magnetic regions position of acquired various securities, directly find magnetic regions position corresponding to current securities type, for example, the magnetic regions position of 5 yuan of face amount banknotes and the magnetic regions position of 10 yuan of face amount banknotes are all known in advance, have 5 yuan of face amount banknotes to carry out the position that just can learn fast the magnetic regions of this banknote when magnetic distributed image scans like this when actual; Another kind of scheme is the definite mode in scanning limit, limit: securities are lined by line scan, the border that the boundary definition that has magnetic distributed image to scanning is magnetic regions, and then the information of acquisition magnetic regions, the border of this magnetic distributed image can be for encasing the minimum rectangular area of this magnetic distributed image, also can be defined as the row that occurs for the first time magnetic to the region occurring for the last time between the row of magnetic.
Light scanning unit 202 carries out optical scanning and obtains the light image of these securities to these detected securities.The optical scanning here can utilize visible ray to complete, and also can utilize invisible light (such as infrared light, ultraviolet light etc.) to complete.In a kind of concrete implementation, this light scanning unit 202 comprises visible light generator and optical receiver, wherein visible light emitter is to detected securities transmitting visible ray, optical receiver receives the reflected light being reflected back from detected securities, obtains the visible image signal of detected securities.
Juxtaposition processing is carried out in the light image that the magnetic distributed image that image synthesis unit 204 obtains magnetic distributed image scanning element 201 and light scanning unit 202 obtain, and obtains the composograph of these detected securities.
Image comparing unit 203 is compared the composograph of the composograph of detected securities and pre-stored true securities, judges whether characteristics of image mates, if coupling judges that these detected securities are as genuine securities; Otherwise, judge that these detected securities are as false securities.
Characteristics of image comparison has a variety of concrete implementations, one preferred embodiment in, image comparing unit 203 is by comparing the textural characteristics of the composograph of the textural characteristics of the composograph of detected securities and pre-stored true securities,, realize and judge whether the characteristics of image of magnetic distributed image and light image mates.
Fig. 3 illustrates the schematic diagram of a kind of specific implementation of the true and false calibration equipment of the securities in Fig. 2 embodiment.As shown in Figure 3, this device comprises a housing 35, be arranged side by side magnetic distributed image scanning element 201 ' and light scanning unit 202 ' along the Width of this housing, magnetic distributed image scanning element 201 ' is near bank note Way out, and light scanning unit 202 ' leans on through back-note feeder direction.Bank note 4 enters true and false calibration equipment from the entrance near light scanning unit 202 ' one side, carries out optical scanning and the scanning of magnetic distributed image.In fact in the present embodiment, magnetic distributed image scanning element 201 ' and light scanning unit 202 ' can be regarded a combination sensor as.
In the present embodiment, image synthesis unit and image comparing unit are integrated in CPU203 '.The light image signal of light scanning unit 202 ' output after the amplification of the first amplifier 31 and the analog to digital conversion of the first analog to digital converter 32, outputs in CPU203 ' successively.The magnetic distributed image signal of magnetic distributed image scanning element 201 ' output after the amplification of the second amplifier 33 and the analog to digital conversion of the second digital to analog converter 34, outputs in CPU203 ' successively.
In addition, this device also comprises other matching units, and for example roll shaft 36, to drive securities to travel forward.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. a true and false method of inspection for securities, is characterized in that, comprising:
The magnetic of detected securities is distributed and scans the magnetic distributed image that obtains these securities;
These detected securities are carried out optical scanning and are obtained the light image of these securities;
Described magnetic distributed image and described light image are carried out to juxtaposition processing, obtain the composograph of these securities;
The composograph of the composograph of described detected securities and pre-stored true securities is compared, judged whether characteristics of image mates, if coupling judges that these detected securities are as genuine securities; Otherwise, judge that these detected securities are as false securities.
2. method according to claim 1, it is characterized in that, the described magnetic to detected securities distributes and scan the magnetic distributed image that obtains these securities and comprise: the magnetic distribution of the magnetic regions to detected securities scans the magnetic distributed image of the magnetic regions that obtains these securities;
These detected securities are carried out to the light image that optical scanning obtains these securities to be comprised: the magnetic regions of these detected securities is carried out optical scanning and obtained the light image of the magnetic regions of these securities.
3. method according to claim 2, is characterized in that, the method also comprises: the magnetic regions position of determining securities.
4. method according to claim 1, is characterized in that, the described composograph by the composograph of described detected securities and pre-stored true securities is compared and comprised:
According to the kind of described detected securities, the composograph of described detected securities is compared with the composograph of the true securities of pre-stored corresponding kind.
5. method according to claim 1, is characterized in that, the composograph of the composograph of described detected securities and pre-stored true securities is compared, and judges whether characteristics of image mates to comprise:
The textural characteristics of the composograph of the textural characteristics of the composograph of detected securities and pre-stored true securities is compared, judge whether this characteristics of image mates.
6. a true and false calibration equipment for securities, is characterized in that, comprising:
Magnetic distributed image scanning element, distributes and scans the magnetic distributed image that obtains these securities for the magnetic of the securities to detected;
Light scanning unit, obtains the light image of these securities for these detected securities are carried out to optical scanning;
Image synthesis unit, for the described magnetic distributed image obtaining and light image are carried out to juxtaposition processing, obtains the composograph of these detected securities;
Image comparing unit, for the composograph of the composograph of described detected securities and pre-stored true securities is compared, judges whether characteristics of image mates, if coupling judges that these detected securities are as genuine securities; Otherwise, judge that these detected securities are as false securities.
7. device according to claim 6, is characterized in that, described light scanning unit comprises:
Visible light emitter, for launching visible ray to described detected securities;
Optical receiver, for receiving the reflected light being reflected back from described detected securities, obtains the visible image signal of described detected securities.
8. device according to claim 6, is characterized in that, the signal of described light scanning unit output after the amplification of the first amplifier and the analog to digital conversion of the first analog to digital converter, outputs in described image synthesis unit successively.
9. device according to claim 6, is characterized in that, the magnetic distributed image signal of described magnetic distributed image scanning element output after the amplification of the second amplifier and the analog to digital conversion of the second digital to analog converter, outputs in described image synthesis unit successively.
10. device according to claim 6, it is characterized in that, described image comparing unit is specifically compared the textural characteristics of the composograph of the textural characteristics of the composograph of detected securities and pre-stored true securities, judges whether the characteristics of image of described magnetic distributed image and light image mates.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410201007.XA CN104008597A (en) | 2014-05-13 | 2014-05-13 | Authenticity test method for marketable security and related device |
| PCT/CN2014/085913 WO2015172466A1 (en) | 2014-05-13 | 2014-09-04 | Marketable security authenticity testing method and related device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410201007.XA CN104008597A (en) | 2014-05-13 | 2014-05-13 | Authenticity test method for marketable security and related device |
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| CN104008597A true CN104008597A (en) | 2014-08-27 |
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| CN201410201007.XA Pending CN104008597A (en) | 2014-05-13 | 2014-05-13 | Authenticity test method for marketable security and related device |
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| WO (1) | WO2015172466A1 (en) |
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| CN104700492A (en) * | 2015-03-24 | 2015-06-10 | 苏州保瑟佳货币检测科技有限公司 | Negotiable security anti-counterfeiting detection method and device |
| WO2015172466A1 (en) * | 2014-05-13 | 2015-11-19 | 苏州保瑟佳货币检测科技有限公司 | Marketable security authenticity testing method and related device |
| WO2016049979A1 (en) * | 2014-09-30 | 2016-04-07 | 浙江维融电子科技股份有限公司 | Bank note recognition method and apparatus |
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Also Published As
| Publication number | Publication date |
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| WO2015172466A1 (en) | 2015-11-19 |
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Application publication date: 20140827 |