CN104574638A - Method for identifying RMB - Google Patents
Method for identifying RMB Download PDFInfo
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- CN104574638A CN104574638A CN201410522416.XA CN201410522416A CN104574638A CN 104574638 A CN104574638 A CN 104574638A CN 201410522416 A CN201410522416 A CN 201410522416A CN 104574638 A CN104574638 A CN 104574638A
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- district
- counterfeiting characteristic
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Abstract
The invention provides a method for identifying RMB. The method comprises the following steps: collecting security features on the RMB to be identified; dividing the security features according to locating areas; setting the priority of each security feature in each identification area; calculating the similarity between each security feature and the standard security feature; judging the authenticity of each identification area according to the priority and similarity of the security feature, and if any identification area is judged to be counterfeit, the RMB is determined to be counterfeit. The method provided by the invention overcomes the problem of identification troubles caused by varied counterfeiting difficulties of each security feature on the RMB; the similarity between each security feature and the standard security feature is calculated through setting the priority of each security feature, so that the similarity result between the counterfeit RMB and the real RMB is obtained.
Description
Technical field
The present invention designs Renminbi authentication detection technology field, especially relates to a kind ofly carrying out prioritization to reach the method for higher discrimination according to by the similarity of multiple for Renminbi anti-counterfeiting characteristic.
Background technology
Along with the development of Chinese national economy, various economic activity is increased, and on market, bank note cash flow flux constantly increases, and the cycle of circulation is shorter and shorter, and bank note carries key player as main currency in the life of people.But counterfeit money and genuine note accompany morning and evening, appear at the links of the field of circulation.Spreading unchecked of counterfeit money not only can bring threat to the property safety of the people, and the links of meeting severe jamming money flow, causes the confusion of national financial order, even involves political realms, lead to economy and social crisis.Therefore, carry out effectively differentiating to be requisite important process in financial anti-vacation, anti-false work to bank note is true and false.
The anti-counterfeiting characteristic that current Renminbi generally adopts mainly contains: safety line, infrared image, stealthy denomination numeral, watermark, ultraviolet image, yin yang complementarity are to impression case, the identification of adulterium splicing vestige, photochromatic printing ink identification etc.A kind of RMB-banknote discriminating device disclosed in China Patent Publication No. 101645181 and counterfeit money discrimination method, it is by each identification module, the feature identifications such as infrared, magnetic signal, watermark are carried out to each anti-counterfeiting characteristic of Renminbi, after individual module identification result compares and distinguishes by single-chip microcomputer, form appreciation result.
But along with the development of counterfeit money printing technology, offender to the imitated degree of the various anti-counterfeiting characteristics on Renminbi also in continuous raising.Because the imitation complexity of each anti-counterfeiting characteristic is different, compare for different anti-counterfeiting characteristics and identify that the discrimination obtained is not identical, part counterfeit money even accomplishes the similarity degree of more than 90% on some anti-counterfeiting characteristic.And offender is also by piecing together, mending by replacing a damaged part, take off the means such as page, is transplanted on counterfeit money by the part of genuine notes, such as false guarantee returnable for the anti-counterfeiting characteristic causing on part counterfeit money, and true and false difficulty is distinguished.To this, proposing the judging standard of the 5th cover Renminbi for meeting People's Bank of China, a kind of complexity imitated according to each anti-counterfeiting characteristic must be provided as weight calculation, obtain the similarity result of true and false coin, thus judging the method that Renminbi is true and false.
Summary of the invention
In order to solve the problem, the invention provides and a kind ofly carry out prioritization to reach the method for higher discrimination according to by the similarity of multiple for Renminbi anti-counterfeiting characteristic.
The technical solution used in the present invention is as follows:
A kind of Renminbi recognition methods of the present invention, comprises the following steps:
Gather the anti-counterfeiting characteristic on Renminbi to be identified;
Anti-counterfeiting characteristic is divided according to region, comprises the first discriminating district, second and differentiate that district and the 3rd differentiates district;
Set the priority that each differentiates each anti-counterfeiting characteristic in district;
Calculate the similarity of each anti-counterfeiting characteristic and standard anti-counterfeiting characteristic, show with percents;
According to priority and the similarity of anti-counterfeiting characteristic, determine the true and false that each differentiates district;
When any one differentiates that district is judged to be counterfeit money, then this Renminbi is judged to be counterfeit money.
Further, described anti-counterfeiting characteristic comprises: magnetic security line, photochromatic printing ink denomination numeral, fixing portrait watermark, ultraviolet image, yin yang complementarity are to impression case, adulterium splicing vestige, stealthy denomination numeral, infrared image, white watermark and prefix code.
Further, described first differentiates that the anti-counterfeiting characteristic in district comprises photochromatic printing ink denomination numeral, fixing portrait watermark, alter splicing vestige, white watermark and prefix code, described second differentiates that the anti-counterfeiting characteristic in district comprises magnetic security line, ultraviolet image, yin yang complementarity to impression case and the splicing vestige that alters, and the described 3rd differentiates that the anti-counterfeiting characteristic in district comprises stealthy denomination numeral, infrared image and adulterium splicing vestige.
Further, also comprise the preset standard value that district each anti-counterfeiting characteristic similarity is differentiated in setting described first, the preset standard value of described photochromatic printing ink denomination numeral similarity is lower than the preset standard value of fixing portrait watermark, splicing vestige, white watermark and the prefix code that alter.
Further, the priority of described first discriminating district photochromatic printing ink denomination numeral is the highest, similarity as photochromatic printing ink denomination numeral reaches preset standard value, then judge that described first differentiates Qu Weizhen, similarity as photochromatic printing ink denomination numeral does not reach preset standard value, then judge that described first differentiates that district is false.
Further, the preset standard value that each anti-counterfeiting characteristic similarity in district is differentiated in setting described second is also comprised.
Further, described second differentiates that the priority of each anti-counterfeiting characteristic in district is equal, when the similarity of arbitrary anti-counterfeiting characteristic is lower than preset standard value, then judge that described second differentiates that district is false, when the similarity of arbitrary anti-counterfeiting characteristic is more than or equal to preset standard value, then judge that described second differentiates Qu Weizhen.
Further, the preset standard value that each anti-counterfeiting characteristic similarity in district is differentiated in setting the described 3rd is also comprised.
Further, the priority of described 3rd discriminating district adulterium splicing vestige is the highest, and when the similarity of the splicing vestige that alters is lower than preset standard value, then the 3rd discriminating district is judged as vacation, when the similarity of the splicing vestige that alters is higher than preset standard value, then the 3rd differentiate that district is judged as very.
The present invention compared with the existing technology, has the following advantages and beneficial effect:
A kind of Renminbi recognition methods provided by the invention, comprises the following steps: gather the anti-counterfeiting characteristic on Renminbi to be identified; Anti-counterfeiting characteristic is divided according to region; Set the priority that each differentiates each anti-counterfeiting characteristic in district; Calculate the similarity of each anti-counterfeiting characteristic and standard anti-counterfeiting characteristic; According to priority and the similarity of anti-counterfeiting characteristic, determine the true and false that each differentiates district; When any one differentiates that district is judged to be counterfeit money, then this Renminbi is judged to be counterfeit money, instant invention overcomes each anti-counterfeiting characteristic of Renminbi to copy difficulty and differ and the identification difficulty that causes, calculated the similarity of each anti-counterfeiting characteristic by the priority setting each anti-counterfeiting characteristic, obtain the similarity result of true and false coin.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the system logic figure of a kind of Renminbi detection system that the present invention applies;
Fig. 2 is method flow diagram of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
A kind of Renminbi recognition methods of the present invention, is applied to the Renminbi detection module of the finance devices such as paper money counter, cleaning-sorting machine, ATM, is calculated the similarity of each anti-counterfeiting characteristic, obtain the similarity result of true and false coin by the priority setting each anti-counterfeiting characteristic.
Shown in Figure 1, for a kind of Renminbi detection system of the present invention's application, comprise logic computing unit and several detection part, described detection part detect respectively magnetic security line, photochromatic printing ink denomination numeral, fixing portrait watermark, ultraviolet image, yin yang complementarity to impression case, alter splicing vestige, stealthy denomination numeral, infrared image, white watermark and prefix code testing result is transmitted back logic computing unit, each anti-counterfeiting characteristic of logic computing unit comparison is obtained a result and is judged that bank note is true and false.
Fig. 2 is the method flow diagram of a kind of Renminbi recognition methods of the present invention, and first this method gathers each anti-counterfeiting characteristic on bank note, and anti-counterfeiting characteristic is transferred to logic computing unit processes.As a preferred embodiment, the present invention gathers magnetic security line, photochromatic printing ink denomination numeral, fixing portrait watermark, ultraviolet image, yin yang complementarity carry out identifying processing to impression case, alter splicing vestige, stealthy denomination numeral, infrared image, white watermark and prefix code.
Bank note to be tested is divided into three, left, center, right to differentiate district by system, according to region, each anti-counterfeiting characteristic is divided into affiliated discriminating district.Described first differentiates that district comprises photochromatic printing ink denomination numeral, fixing portrait watermark, alter splicing vestige, white watermark and prefix code; Described second differentiates that district comprises magnetic security line, ultraviolet image, yin yang complementarity to impression case, adulterium splicing vestige; Described 3rd differentiates that district comprises stealthy denomination numeral, infrared image, adulterium splicing vestige.
User can set the priority of each anti-counterfeiting characteristic in each discriminating district in systems in which, and the effect of priority is to determine the weight of each anti-counterfeiting characteristic in identifying.Because the imitation difficulty of each anti-counterfeiting characteristic is different, the priority of each anti-counterfeiting characteristic in the middle of identifying is also different, be arranged so that copying the larger anti-counterfeiting characteristic of difficulty obtains identifying that priority is also higher like this by priority, in the algorithm of each anti-counterfeiting characteristic of assessment, weight is also higher, the priority that the anti-counterfeiting characteristic that imitation difficulty is less obtains is lower, and in the algorithm of each anti-counterfeiting characteristic of assessment, weight is also lower.
System, after collecting each anti-counterfeiting characteristic on bank note to be identified, first extracts the eigenwert of each anti-counterfeiting characteristic, and described eigenwert is one group of ordered series of numbers, represents the digitized representations of this anti-counterfeiting characteristic, and eigenwert is drawn by the detection of its extraction algorithm by each detection part.The characteristic value data of standard anti-counterfeiting characteristic is also stored in system, after obtaining eigenwert, the eigenwert of the eigenwert collected and standard anti-counterfeiting characteristic is compared by system, calculate the degree of correlation between two eigenwert ordered series of numbers, draw the eigenwert similarity of an anti-counterfeiting characteristic to be identified and standard anti-counterfeiting characteristic with percents.
After obtaining the eigenwert similarity of an anti-counterfeiting characteristic, system determines the systemic presupposition value of the eigenwert similarity of each anti-counterfeiting characteristic according to priority, when the eigenwert similarity of anti-counterfeiting characteristic is lower than systemic presupposition value, then judge that this anti-counterfeiting characteristic is false, when the eigenwert similarity of anti-counterfeiting characteristic is more than or equal to systemic presupposition value, then judge that this anti-counterfeiting characteristic is true.The imitation complexity initialization system that the object of initialization system preset value is according to each anti-counterfeiting characteristic judges the standard of anti-counterfeiting characteristic, and the eigenwert similarity systemic presupposition value of each anti-counterfeiting characteristic is different, can be arranged in systems in which by user.
As a preferred embodiment, by first, this method differentiates that the priority of the photochromatic printing ink denomination numeral in district is set to the highest, similarity as photochromatic printing ink denomination numeral reaches preset standard value, then judge that described first differentiates Qu Weizhen, similarity as photochromatic printing ink denomination numeral does not reach preset standard value, then judge that described first differentiates that district is false.
Further, by second, this method differentiates that the priority of each anti-counterfeiting characteristic in district is set to equal, when the similarity of arbitrary anti-counterfeiting characteristic is lower than preset standard value, then judge that described second differentiates that district is false, when the similarity of arbitrary anti-counterfeiting characteristic is more than or equal to preset standard value, then judge that described second differentiates Qu Weizhen.
Further, this method differentiates that by the 3rd the priority of district's adulterium splicing vestige is the highest, when the similarity of the splicing vestige that alters is lower than preset standard value, then the 3rd differentiates that district is judged as vacation, when the similarity of the splicing vestige that alters is higher than preset standard value, then the 3rd differentiate that district is judged as very.
After judging that the first discriminating district, second differentiates that district and the 3rd differentiates the true and false in district, system just can make the identification of bill entirety to be identified, as a preferred embodiment, when any one differentiates that district is judged to be counterfeit money, then this method judges that this Renminbi is as counterfeit money.
Instant invention overcomes each anti-counterfeiting characteristic of Renminbi to copy difficulty and differ and the identification difficulty that causes, calculated the similarity of each anti-counterfeiting characteristic by the priority setting each anti-counterfeiting characteristic, obtain the similarity result of true and false coin, thus judge the method that Renminbi is true and false.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. a Renminbi recognition methods, is characterized in that, comprises the following steps:
Gather the anti-counterfeiting characteristic on Renminbi to be identified;
Divide anti-counterfeiting characteristic, set the discriminating district belonging to each anti-counterfeiting characteristic, described discriminating district comprises the first discriminating district, second and differentiates that district and the 3rd differentiates district;
Set the priority that each differentiates each anti-counterfeiting characteristic in district;
The eigenwert and the Standard Eigenvalue that extract each anti-counterfeiting characteristic are compared, and calculate similar value between the two, show with percents;
According to priority and the similarity of anti-counterfeiting characteristic, determine the true and false that each differentiates district;
When any one differentiates that district is judged to be counterfeit money, then this Renminbi is judged to be counterfeit money.
2. a kind of Renminbi recognition methods as claimed in claim 1, it is characterized in that, described anti-counterfeiting characteristic comprises: magnetic security line, photochromatic printing ink denomination numeral, fixing portrait watermark, ultraviolet image, yin yang complementarity are to impression case, adulterium splicing vestige, stealthy denomination numeral, infrared image, white watermark and prefix code.
3. a kind of Renminbi recognition methods as claimed in claim 2, it is characterized in that, described first differentiates that the anti-counterfeiting characteristic in district comprises photochromatic printing ink denomination numeral, fixing portrait watermark, alter splicing vestige, white watermark and prefix code, described second differentiates that the anti-counterfeiting characteristic in district comprises magnetic security line, ultraviolet image, yin yang complementarity to impression case and the splicing vestige that alters, and the described 3rd differentiates that the anti-counterfeiting characteristic in district comprises stealthy denomination numeral, infrared image and adulterium splicing vestige.
4. a kind of Renminbi recognition methods as claimed in claim 3, it is characterized in that, also comprise the preset standard value that district each anti-counterfeiting characteristic similarity is differentiated in setting described first, the preset standard value of described photochromatic printing ink denomination numeral similarity is lower than the preset standard value of fixing portrait watermark, splicing vestige, white watermark and the prefix code that alter.
5. a kind of Renminbi recognition methods as claimed in claim 4, it is characterized in that, the priority of described first discriminating district photochromatic printing ink denomination numeral is the highest, similarity as photochromatic printing ink denomination numeral reaches preset standard value, then judge that described first differentiates Qu Weizhen, similarity as photochromatic printing ink denomination numeral does not reach preset standard value, then judge that described first differentiates that district is false.
6. a kind of Renminbi recognition methods as claimed in claim 3, is characterized in that, also comprises the preset standard value that each anti-counterfeiting characteristic similarity in district is differentiated in setting described second.
7. a kind of Renminbi recognition methods as claimed in claim 6, it is characterized in that, described second differentiates that the priority of each anti-counterfeiting characteristic in district is equal, when the similarity of arbitrary anti-counterfeiting characteristic is lower than preset standard value, then judge that described second differentiates that district is false, when the similarity of arbitrary anti-counterfeiting characteristic is more than or equal to preset standard value, then judge that described second differentiates Qu Weizhen.
8. a kind of Renminbi recognition methods as claimed in claim 3, is characterized in that, also comprises the preset standard value that each anti-counterfeiting characteristic similarity in district is differentiated in setting the described 3rd.
9. a kind of Renminbi recognition methods as claimed in claim 8, it is characterized in that, the priority of described 3rd discriminating district adulterium splicing vestige is the highest, when the similarity of the splicing vestige that alters is lower than preset standard value, then the 3rd differentiate that district is judged as vacation, when the similarity of the splicing vestige that alters is higher than preset standard value, then the 3rd differentiate that district is judged as very.
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Cited By (10)
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| CN105046807A (en) * | 2015-07-09 | 2015-11-11 | 中山大学 | Smart mobile phone-based counterfeit banknote identification method and system |
| CN105632015A (en) * | 2015-12-24 | 2016-06-01 | 中钞实业有限公司 | Bank bill fingerprint feature anti-counterfeiting identification method based on cloud platform |
| CN106447903A (en) * | 2016-09-05 | 2017-02-22 | 深圳怡化电脑股份有限公司 | Control method for preventing receiving spliced paper currency and control system thereof |
| CN106504405A (en) * | 2016-11-01 | 2017-03-15 | 深圳怡化电脑股份有限公司 | A kind of method and device of identification bank note |
| CN106558143A (en) * | 2015-09-18 | 2017-04-05 | 深圳怡化电脑股份有限公司 | A kind of recognition methodss of 100 yuans of splicings bank note and device |
| CN106570980A (en) * | 2015-10-10 | 2017-04-19 | 深圳怡化电脑股份有限公司 | Paper currency authentic identification method and system |
| CN106599923A (en) * | 2016-12-16 | 2017-04-26 | 广州广电运通金融电子股份有限公司 | Detecting method and detecting device for stamped anti-counterfeiting characteristic |
| CN107134047A (en) * | 2017-05-11 | 2017-09-05 | 深圳怡化电脑股份有限公司 | White watermark detection method and device |
| CN108229552A (en) * | 2017-12-29 | 2018-06-29 | 咪咕文化科技有限公司 | A kind of model treatment method, apparatus and storage medium |
| CN109767544A (en) * | 2017-01-10 | 2019-05-17 | 中国人民银行印制科学技术研究所 | The image analysis method and image analysis system of marketable securities |
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| CN106558143A (en) * | 2015-09-18 | 2017-04-05 | 深圳怡化电脑股份有限公司 | A kind of recognition methodss of 100 yuans of splicings bank note and device |
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| CN106504405A (en) * | 2016-11-01 | 2017-03-15 | 深圳怡化电脑股份有限公司 | A kind of method and device of identification bank note |
| CN106504405B (en) * | 2016-11-01 | 2019-04-09 | 深圳怡化电脑股份有限公司 | A kind of method and device identifying bank note |
| CN106599923A (en) * | 2016-12-16 | 2017-04-26 | 广州广电运通金融电子股份有限公司 | Detecting method and detecting device for stamped anti-counterfeiting characteristic |
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| CN109767544A (en) * | 2017-01-10 | 2019-05-17 | 中国人民银行印制科学技术研究所 | The image analysis method and image analysis system of marketable securities |
| CN107134047A (en) * | 2017-05-11 | 2017-09-05 | 深圳怡化电脑股份有限公司 | White watermark detection method and device |
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