CN106934920A - A kind of doubt paper money processing method and processing device - Google Patents
A kind of doubt paper money processing method and processing device Download PDFInfo
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- CN106934920A CN106934920A CN201710160886.XA CN201710160886A CN106934920A CN 106934920 A CN106934920 A CN 106934920A CN 201710160886 A CN201710160886 A CN 201710160886A CN 106934920 A CN106934920 A CN 106934920A
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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
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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
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- General Physics & Mathematics (AREA)
- Inspection Of Paper Currency And Valuable Securities (AREA)
Abstract
The embodiment of the invention discloses a kind of doubt paper money processing method and processing device, the method includes：Crown word number, newness degree and doubt paper money according to doubt paper money review condition, judge whether to need to review the doubt paper money；When judging that needs are reviewed, then the doubt paper money is reviewed using whole false distinguishing algorithms, the true and false of the doubt paper money is determined according to the result reviewed.Based on a kind of doubt paper money processing method and processing device that the present invention is provided, reinspection operation is carried out by the doubt paper money for meeting reinspection condition, the determination to doubt paper money true or false can be realized, the reduction of normal paper money probability of miscarriage of justice is ensure that, the reliability of paper currency detection is improve.
Description
Technical field
The present embodiments relate to bill handling technical field, more particularly to a kind of doubt paper money processing method and processing device.
Background technology
With the development of Chinese national economy, various economic activities are increased, and in the market bank note cash flow flux is continuous
Increase, the cycle of circulation is shorter and shorter, and bank note carries key player as main currency in the life of people.So
And counterfeit money accompanies with genuine note morning and evening, the links of the field of circulation are appeared in.Spreading unchecked for counterfeit money not only can be to the wealth of the people
Produce safety belt to threaten, and understand the links of severe jamming money flow, cause the confusion of national financial order, or even ripple
And political realms, lead to economy and social crisis, therefore, to bank note it is true and false effectively differentiate be must in the anti-false work of finance
Indispensable link.
At present, bank finance traction equipment is to bank note true and false when differentiating, exist certain probability genuine note
Differentiate into the False Rate of doubt paper money or counterfeit money, and manufacturing process due to counterfeit money and batch are constantly weeded out the old and bring forth the new, existing skill
In art when bank transaction equipment does not pass through a large amount of brand-new counterfeit moneys unseen on the market of false distinguishing link in treatment, it is often
Differentiate and give rejection and return for doubt paper money, doubt paper money can't be analyzed or tracing record of originating on the spot further,
So when the existing counterfeit money database for doubt paper money or counterfeit money comparative analysis can not obtain it is timely, effectively update when,
Just it is not excluded for this batch of brand-new counterfeit money being again introduced into false distinguishing link or when market is circulated, due to missing inspection or flase drop
Without situation about being identified.
The content of the invention
The embodiment of the present invention provides a kind of doubt paper money processing method and processing device, is analyzed with the true and false for realizing doubt paper money, it is to avoid
Situation of the doubt paper money due to missing inspection or flase drop without being identified.
In a first aspect, the embodiment of the present invention provides a kind of doubt paper money processing method, including：
Crown word number, newness degree and doubt paper money according to doubt paper money review condition, judge whether to need to the doubt
Paper money is reviewed；
When judging that needs are reviewed, then the doubt paper money is reviewed using whole false distinguishing algorithms, according to multiple
The result tested determines the true and false of the doubt paper money.
Further, condition is reviewed in the crown word number according to doubt paper money, newness degree and doubt paper money, is judged whether
Before needs are reviewed to the doubt paper money, methods described also includes：
Calculate the ratio of doubt paper money in the bank note of currency examination；
When the ratio is more than first threshold, then performs the crown word number according to doubt paper money, newness degree and doubt
Puzzled paper money reviews condition, judges whether the operation for needing to review the doubt paper money.
Further, in the above method, the doubt paper money review the crown word number that condition is the doubt paper money exist double sign and/
Or consecutive numbers, and its newness degree is more than Second Threshold more than the ratio of the doubt paper money of the 5th threshold value；
Correspondingly, the crown word number according to doubt paper money, newness degree and doubt paper money review condition, judge whether needs
The doubt paper money is reviewed, including：
Detect that the crown word number of the doubt paper money whether there is double sign；
When detect there is double sign when, then count the newness degree of the doubt paper money, and when counting the doubt paper money
When middle newness degree is more than Second Threshold more than the ratio of the doubt paper money of the 5th threshold value, then it is judged as needing to enter the doubt paper money
Row is reviewed；Or
When detecting in the absence of double sign, then the Longest Common Substring in crown word number is calculated by DP algorithm, such as
The length of really described Longest Common Substring is more than the 3rd threshold value, then count the newness degree of the doubt paper money, and ought count
When newness degree is more than Second Threshold more than the ratio of the doubt paper money of the 5th threshold value in the doubt paper money, then it is judged as needing to institute
Doubt paper money is stated to be reviewed.
Further, it is described when judging that needs are reviewed in the above method, then using whole false distinguishing algorithms to institute
State doubt paper money to be reviewed, the true and false of the doubt paper money is determined according to the result reviewed, including：
When judging that needs are reviewed, then the doubt paper money is reviewed using whole false distinguishing algorithms；
The average report vacation false distinguishing algorithm number of the doubt paper money during statistics reinspection；
When the average report vacation false distinguishing algorithm number of the doubt paper money is more than default 4th threshold value, it is determined that the doubt paper money
It is false.
Further, after it is determined that doubt paper money is counterfeit money, methods described also includes：
The currency examination initial data of a doubt paper money for reporting false false distinguishing algorithm number most in the doubt paper money is sent to silver
Row backstage so that the crown word number information of the doubt paper money is uploaded and be updated to by bank backstage according to the currency examination initial data
Counterfeit money database；
Send associated instructions to bank backstage so that suspect's record that the camera that bank backstage will be set in bank shoots
As making association identification with the currency examination initial data of the doubt paper money, and back up.
Second aspect, the embodiment of the present invention also provides a kind of doubt paper money processing unit, including：
Judge module is reviewed, condition is reviewed for the crown word number according to doubt paper money, newness degree and doubt paper money, judgement is
No needs are reviewed to the doubt paper money；
True and false determining module, for when judging that needs are reviewed, then using whole false distinguishing algorithms to the doubt
Paper money is reviewed, and the true and false of the doubt paper money is determined according to the result reviewed.
Further, described device also includes：
Ratio computing module, for the reinspection judge module is according to the crown word number of doubt paper money, newness degree and doubts
Puzzled paper money reviews condition, before judging whether to need to review the doubt paper money, calculates doubt paper money in the bank note of currency examination
Ratio；
Judge module is performed, for when the ratio is more than first threshold, then performing institute by the reinspection judge module
State the crown word number according to doubt paper money, newness degree and doubt paper money and review condition, judge whether to need to carry out the doubt paper money
The operation of reinspection.
Further, in said apparatus, the doubt paper money review the crown word number that condition is the doubt paper money exist double sign and/
Or consecutive numbers, and its newness degree is more than Second Threshold more than the ratio of the doubt paper money of the 5th threshold value；
Correspondingly, the reinspection judge module includes：
Double sign detection unit, the crown word number for detecting the doubt paper money whether there is double sign；
First judging unit, for when detect there is double sign when, then count the newness degree of the doubt paper money, and work as
When counting that newness degree is more than Second Threshold more than the ratio of the doubt paper money of the 5th threshold value in the doubt paper money, then it is judged as needing
The doubt paper money is reviewed；Or
Second judging unit, for when detecting in the absence of double sign, then by DP algorithm calculating crown word number
Longest Common Substring, if the length of the Longest Common Substring be more than the 3rd threshold value, count the new and old of the doubt paper money
Degree, and newness degree is more than Second Threshold more than the ratio of the doubt paper money of the 5th threshold value in the doubt paper money is counted
When, then it is judged as needing to review the doubt paper money.
Further, in said apparatus, the true and false determining module includes：
Execution unit is reviewed, for when judging that needs are reviewed, then using whole false distinguishing algorithms to the doubt
Paper money is reviewed；
Number statistic unit, the average report vacation false distinguishing algorithm number of the doubt paper money during being reviewed for statistics；
True and false determining unit, default 4th threshold is more than for the average report vacation false distinguishing algorithm number when the doubt paper money
Value, it is determined that the doubt paper money is false.
Further, described device also includes：
Currency examination data transmission blocks, for false false distinguishing after it is determined that doubt paper money is counterfeit money, will to be reported to calculate in the doubt paper money
The currency examination initial data of a most doubt paper money of method number is sent to bank backstage so that bank backstage is former according to the currency examination
Beginning data, the crown word number information of the doubt paper money is uploaded and counterfeit money database is updated to；
Associated instructions sending module, for sending associated instructions to bank backstage so that bank backstage will be set in bank
Suspect's video recording for shooting of camera make association identification with the currency examination initial data of the doubt paper money, and back up.
A kind of doubt paper money processing method and processing device that the embodiment of the present invention is provided, by the doubt to meeting reinspection condition
Paper money carries out reinspection operation, it is possible to achieve the determination to doubt paper money true or false, ensure that the reduction of normal paper money probability of miscarriage of justice, improves
The reliability of paper currency detection.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Inventive embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
Fig. 1 is a kind of schematic flow sheet of doubt paper money processing method that the embodiment of the present invention one is provided；
Fig. 2 is a kind of schematic flow sheet of doubt paper money processing method that the embodiment of the present invention two is provided；
Fig. 3 is a kind of structural representation of doubt paper money processing unit that the embodiment of the present invention three is provided.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention, rather than limitation of the invention.It also should be noted that, in order to just
Part rather than entire infrastructure related to the present invention is illustrate only in description, accompanying drawing.
Embodiment one
Accompanying drawing 1 is referred to, is a kind of schematic flow sheet of doubt paper money processing method, the party disclosed in the embodiment of the present invention one
Method is applied to the scene that such as doubt paper money of the bank finance traction equipment to rejecting during currency examination further determines that the true and false, should
Method is performed by doubt paper money processing unit, and the device can be realized by software and/or hardware, is integrated in bank finance transaction and is set
It is standby internal.The method specifically includes following steps：
S110, the crown word number according to doubt paper money, newness degree and doubt paper money review condition, judge whether to need to described
Doubt paper money is reviewed.
In one embodiment, it is preferred that the doubt paper money reviews the crown word number that condition is the doubt paper money and there is weight
Number and/or consecutive numbers, and its newness degree more than the 5th threshold value doubt paper money ratio be more than Second Threshold.Accordingly, Ke Yitong
Cross and utilize dynamic programming algorithm, initial analysis is made to the doubt paper money based on crown word number, in conjunction with the new and old of the doubt paper money
Degree is so as to judge whether to need to review the doubt paper money.5th threshold value and Second Threshold can be passed through by currency examination
Acquirement is tested, exemplary, the 5th threshold value can be most probably new (under normal circumstances, the paper of counterfeit note is newer), the second threshold
Value can be 60%, therefore described its newness degree refers to new and old more than Second Threshold more than the ratio of the doubt paper money of the 5th threshold value
Degree accounts for more than 60% more than the ratio of most probably new doubt paper money.
Preferably, the crown word number according to doubt paper money, newness degree and doubt paper money review condition, judge whether needs
The doubt paper money is reviewed, including：Detect that the crown word number of the doubt paper money whether there is double sign；
Specifically, carrying out second currency examination by by the doubt paper money, all of crown word number in doubt paper money is counted and compared
Information, further according to the doubt paper money (double sign doubt paper money) in all of crown word number information with the presence or absence of repetition crown word number, so that
Perform corresponding operation：
In a first aspect, when detect there is double sign when, then count the newness degree of the doubt paper money, and when counting institute
When stating that newness degree is more than Second Threshold more than the ratio of the doubt paper money of the 5th threshold value in doubt paper money, then it is judged as needing to described
Doubt paper money is reviewed；
Second aspect, when detecting in the absence of double sign, then calculates the public affairs most long in crown word number by DP algorithm
Substring, if the length of the Longest Common Substring is more than the 3rd threshold value, counts the newness degree of the doubt paper money altogether, and
When newness degree is more than Second Threshold more than the ratio of the doubt paper money of the 5th threshold value in counting the doubt paper money, then it is judged as
Needs are reviewed to the doubt paper money.
It should be noted that the operation performed by second aspect in above-mentioned S110 is used to judge the doubt paper money crown word number
Consecutive numbers situation, be directed to the doubt paper money in the absence of double sign situation when another judgement treatment.Doubted to described based on above-mentioned
The testing result of the crown word number of puzzled paper money, if there is double sign and/or the situation of consecutive numbers, then needs to answer the doubt paper money
Test.
S120, when judging that needs are reviewed, then the doubt paper money is reviewed using whole false distinguishing algorithms, root
The true and false of the doubt paper money is determined according to the result reviewed.
It should be noted that the different currency examinations requirement according to different bank, the setting and false distinguishing of its currency examination demanding class
The access of algorithm is all suited measures to local conditions.Generally, bank is in the doubt paper money for guaranteeing substantially to possess genuine notes anti-counterfeiting characteristic
In the case of testing out, the consideration of paper money rate is refused for reduction, generally demanding class will not be set too high, such as in being etc.
Level, and because the false distinguishing algorithm of the bank note of different editions is different, when currency examination is carried out to bank note, whole false distinguishings will not be opened
Algorithm interface, currency examination is carried out merely with part false distinguishing algorithm.S120 is reviewed by that will need in the present embodiment
Doubt paper money carries out third time currency examination, so as to judge the true and false of the doubt paper money, not only opens all of false distinguishing algorithm interface, excellent
Choosing, the demanding class of currency examination can also be set to highest.
Specifically, when judging that needs are reviewed, then being reviewed to the doubt paper money using whole false distinguishing algorithms；
The average report vacation false distinguishing algorithm number of the doubt paper money during statistics reinspection；When the average report vacation false distinguishing algorithm of the doubt paper money
Number is more than default 4th threshold value, it is determined that the doubt paper money is false.
It should be noted that each bank note in the doubt paper money is required for carrying out the discriminating of whole false distinguishing algorithms, if
Same bank note multiple false distinguishing algorithm does not pass through, then can carry out repeatedly setting off false alarms and show.By will be each in the doubt paper money
The report virtual degree for opening bank note is counted and calculates average value, just can determine that this batch is felt uncertain further according to the 4th threshold value set by experience
Paper money it is true and false.
For the scheme implementation process for representing the embodiment of the present invention one for becoming apparent from, carried out in detail with an instantiation below
It is thin to introduce, comprise the following steps：
S210, doubt paper money is carried out secondary currency examination, and records all of crown word number comparing, if there is double sign paper
Coin, then perform S230, if there is no double sign bank note, then performs S220.
S220, using dynamic programming algorithm, solve the Longest Common Substring (Longest in the crown word number of doubt paper money
Common Subsequence, LCS), if the length of LCS is more than five, perform S230, otherwise end operation.
The newness degree of S230, statistics doubt paper money, more than 60% is accounted for if greater than most probably new doubt paper money, then performed
S240, otherwise end operation.
S240, doubt paper money is carried out into third time currency examination, this is secondary to be set to highest by the demanding class of currency examination, and opens all
False distinguishing algorithm interface, note down the average report vacation algorithm number of bank note, be counted as N, if N is more than 1.5, judge this batch of doubt paper money
It is batch counterfeit money.
In sum, the technical scheme that the embodiment of the present invention is provided, in the true and false detection and analysis application of doubt paper money, leads to
Cross carries out reinspection operation to the doubt paper money for meeting reinspection condition, it is possible to achieve the determination to doubt paper money true or false, ensure that just
The reduction of normal paper money probability of miscarriage of justice, improves the reliability of paper currency detection.
It is multiple in the crown word number according to doubt paper money, newness degree and doubt paper money on the basis of above-mentioned technical proposal
Condition is tested, before judging whether to need to review the doubt paper money, methods described further preferably includes：
Calculate the ratio of doubt paper money in the bank note of currency examination；
When the ratio is more than first threshold, then performs the crown word number according to doubt paper money, newness degree and doubt
Puzzled paper money reviews condition, judges whether the operation for needing to review the doubt paper money.
It should be noted that the present embodiment considers, during the automatic teller machine of bank is according to normal flow currency examination,
If the bank note in a transaction more than 60% is judged as doubt paper money and rejects, need to carry out finally this batch of doubt paper money
The true and false determination treatment.
Embodiment two
Accompanying drawing 2 is referred to, Fig. 2 is a kind of schematic flow sheet of doubt paper money processing method that the embodiment of the present invention two is provided,
The present embodiment after pair determining that doubt paper money is counterfeit money, optimization is made to the method on the basis of above-described embodiment.Specifically,
After it is determined that doubt paper money is counterfeit money, the method includes：
S310, the currency examination initial data transmission by a doubt paper money for reporting false false distinguishing algorithm number most in the doubt paper money
To bank backstage so that bank backstage uploads and more the crown word number information of the doubt paper money according to the currency examination initial data
Newly to counterfeit money database.
S320, transmission associated instructions to bank backstage so that the suspicion that the camera that bank backstage will be set in bank shoots
Doubt people's video recording and make association identification with the currency examination initial data of the doubt paper money, and back up.
If it should be noted that report more than one most of doubt paper money of false false distinguishing algorithm number in the doubt paper money,
The currency examination initial data for choosing wherein one is only needed to be sent to bank backstage, because in view of manufacturing cost and manufacture
Technology it is limited, manufacture method and principle in the brand-new counterfeit money of batch are all identicals.
In sum, the embodiment of the present invention two discloses a kind of counterfeit money processing method, by the doubt to being defined as counterfeit money
The timely upload of the effective information such as the original currency examination data of paper money and suspect's video recording associated instructions, can cause bank backstage to having
The timely record of effect information and analysis, quick discriminating when realization is received again by such counterfeit money, it is convenient it is follow-up can provide it is more and
More specifically case analysis content is assisting the police to crack fraud case.
Embodiment three
Accompanying drawing 3 is referred to, is a kind of structural representation of doubt paper money processing unit that the embodiment of the present invention three is provided, the dress
Put specific comprising such as lower module：
Judge module 41 is reviewed, condition is reviewed for the crown word number according to doubt paper money, newness degree and doubt paper money, judged
Whether need to review the doubt paper money.
True and false determining module 42, for when judging that needs are reviewed, then being doubted to described using whole false distinguishing algorithms
Puzzled paper money is reviewed, and the true and false of the doubt paper money is determined according to the result reviewed.
Preferably, the doubt paper money processing unit also includes：
Ratio computing module, for the reinspection judge module is according to the crown word number of doubt paper money, newness degree and doubts
Puzzled paper money reviews condition, before judging whether to need to review the doubt paper money, calculates doubt paper money in the bank note of currency examination
Ratio；
Judge module is performed, for when the ratio is more than first threshold, then performing institute by the reinspection judge module
State the crown word number according to doubt paper money, newness degree and doubt paper money and review condition, judge whether to need to carry out the doubt paper money
The operation of reinspection.
Preferably, the doubt paper money reviews the crown word number that condition is the doubt paper money and there is double sign and/or consecutive numbers, and its is new
Old degree is more than Second Threshold more than the ratio of the doubt paper money of the 5th threshold value；
Correspondingly, the reinspection judge module includes：
Double sign detection unit, the crown word number for detecting the doubt paper money whether there is double sign；
First judging unit, for when detect there is double sign when, then count the newness degree of the doubt paper money, and work as
When counting that newness degree is more than Second Threshold more than the ratio of the doubt paper money of the 5th threshold value in the doubt paper money, then it is judged as needing
The doubt paper money is reviewed；Or
Second judging unit, for when detecting in the absence of double sign, then by DP algorithm calculating crown word number
Longest Common Substring, if the length of the Longest Common Substring be more than the 3rd threshold value, count the new and old of the doubt paper money
Degree, and newness degree is more than Second Threshold more than the ratio of the doubt paper money of the 5th threshold value in the doubt paper money is counted
When, then it is judged as needing to review the doubt paper money.
Preferably, the true and false determining module includes：
Execution unit is reviewed, for when judging that needs are reviewed, then using whole false distinguishing algorithms to the doubt
Paper money is reviewed；
Number statistic unit, the average report vacation false distinguishing algorithm number of the doubt paper money during being reviewed for statistics；
True and false determining unit, default 4th threshold is more than for the average report vacation false distinguishing algorithm number when the doubt paper money
Value, it is determined that the doubt paper money is false.
Preferably, the doubt paper money processing unit also includes：
Currency examination data transmission blocks, for false false distinguishing after it is determined that doubt paper money is counterfeit money, will to be reported to calculate in the doubt paper money
The currency examination initial data of a most doubt paper money of method number is sent to bank backstage so that bank backstage is former according to the currency examination
Beginning data, the crown word number information of the doubt paper money is uploaded and counterfeit money database is updated to；
Associated instructions sending module, for sending associated instructions to bank backstage so that bank backstage will be set in bank
Suspect's video recording for shooting of camera make association identification with the currency examination initial data of the doubt paper money, and back up.
The embodiment of the present invention reviews condition by the crown word number according to doubt paper money, newness degree and doubt paper money, and judgement is
No needs are reviewed to the doubt paper money；When judging that needs are reviewed, then doubted to described using whole false distinguishing algorithms
Puzzled paper money is reviewed, and the true and false of the doubt paper money is determined according to the result reviewed.Based on the above method and device, by meeting
The doubt paper money of reinspection condition carries out reinspection operation, it is possible to achieve the determination to doubt paper money true or false, ensure that normal paper money erroneous judgement
The reduction of probability, improves the reliability of paper currency detection.Original currency examination data and suspicion by the doubt paper money to being defined as counterfeit money
The timely upload of the effective informations such as people's video recording associated instructions is doubted, bank backstage can be caused to the timely record of effective information and divided
Analysis, quick discriminating when realization is received again by such counterfeit money is convenient follow-up to provide more and more specifically case analysis content
To assist the police to crack fraud case.
Said apparatus can perform the method that any embodiment of the present invention is provided, and possess the corresponding functional module of execution method
And beneficial effect.
Note, above are only presently preferred embodiments of the present invention and institute's application technology principle.It will be appreciated by those skilled in the art that
The invention is not restricted to specific embodiment described here, can carry out for a person skilled in the art various obvious changes,
Readjust and substitute without departing from protection scope of the present invention.Therefore, although the present invention is carried out by above example
It is described in further detail, but the present invention is not limited only to above example, without departing from the inventive concept, also
More other Equivalent embodiments can be included, and the scope of the present invention is determined by scope of the appended claims.
Claims (10)
1. a kind of doubt paper money processing method, it is characterised in that including：
Crown word number, newness degree and doubt paper money according to doubt paper money review condition, judge whether to need to enter the doubt paper money
Row is reviewed；
When judging that needs are reviewed, then the doubt paper money is reviewed using whole false distinguishing algorithms, according to what is reviewed
Result determines the true and false of the doubt paper money.
2. method according to claim 1, it is characterised in that the crown word number according to doubt paper money, newness degree with
And doubt paper money reviews condition, before judging whether to need to review the doubt paper money, methods described also includes：
Calculate the ratio of doubt paper money in the bank note of currency examination；
When the ratio is more than first threshold, then the crown word number according to doubt paper money, newness degree and doubt paper money are performed
Reinspection condition, judges whether the operation for needing to review the doubt paper money.
3. method according to claim 1, it is characterised in that the doubt paper money reviews the prefix that condition is the doubt paper money
Number there is double sign and/or consecutive numbers, and its newness degree is more than Second Threshold more than the ratio of the doubt paper money of the 5th threshold value；
Correspondingly, the crown word number according to doubt paper money, newness degree and doubt paper money review condition, judge whether to need to institute
Doubt paper money is stated to be reviewed, including：
Detect that the crown word number of the doubt paper money whether there is double sign；
When detect there is double sign when, then count the newness degree of the doubt paper money, and new in it count the doubt paper money
When old degree is more than Second Threshold more than the ratio of the doubt paper money of the 5th threshold value, then it is judged as needing to answer the doubt paper money
Test；Or
When detecting in the absence of double sign, then the Longest Common Substring in crown word number is calculated by DP algorithm, if institute
The length of Longest Common Substring is stated more than the 3rd threshold value, then counts the newness degree of the doubt paper money, and it is described when counting
When newness degree is more than Second Threshold more than the ratio of the doubt paper money of the 5th threshold value in doubt paper money, then it is judged as needing to be doubted to described
Puzzled paper money is reviewed.
4. method according to claim 1, it is characterised in that described when judging that needs are reviewed, then using complete
False distinguishing algorithm in portion's is reviewed to the doubt paper money, and the true and false of the doubt paper money is determined according to the result reviewed, including：
When judging that needs are reviewed, then the doubt paper money is reviewed using whole false distinguishing algorithms；
The average report vacation false distinguishing algorithm number of the doubt paper money during statistics reinspection；
When the average report vacation false distinguishing algorithm number of the doubt paper money is more than default 4th threshold value, it is determined that the doubt paper money is
It is false.
5. method according to claim 4, it is characterised in that after it is determined that doubt paper money is counterfeit money, methods described is also wrapped
Include：
After the currency examination initial data of a doubt paper money for reporting false false distinguishing algorithm number most in the doubt paper money is sent into bank
Platform so that the crown word number information of the doubt paper money is uploaded and be updated to counterfeit money by bank backstage according to the currency examination initial data
Database；
Send associated instructions and arrive bank backstage so that the suspect that camera that bank backstage will be set in bank shoots record a video and
The currency examination initial data of the doubt paper money makees association identification, and backs up.
6. a kind of doubt paper money processing unit, it is characterised in that including：
Judge module is reviewed, condition is reviewed for the crown word number according to doubt paper money, newness degree and doubt paper money, judge whether to need
The doubt paper money is reviewed；
True and false determining module, for when judging that needs are reviewed, then being entered to the doubt paper money using whole false distinguishing algorithms
Row is reviewed, and the true and false of the doubt paper money is determined according to the result reviewed.
7. device according to claim 6, it is characterised in that described device also includes：
Ratio computing module, in the reinspection judge module according to the crown word number of doubt paper money, newness degree and doubt paper money
Reinspection condition, before judging whether to need to review the doubt paper money, calculates the ratio of doubt paper money in the bank note of currency examination；
Judge module is performed, for when the ratio is more than first threshold, then performing described by the reinspection judge module
Condition is reviewed according to the crown word number of doubt paper money, newness degree and doubt paper money, judges whether to need to review the doubt paper money
Operation.
8. device according to claim 6, it is characterised in that the doubt paper money reviews the prefix that condition is the doubt paper money
Number there is double sign and/or consecutive numbers, and its newness degree is more than Second Threshold more than the ratio of the doubt paper money of the 5th threshold value；
Correspondingly, the reinspection judge module includes：
Double sign detection unit, the crown word number for detecting the doubt paper money whether there is double sign；
First judging unit, for when detect there is double sign when, then count the newness degree of the doubt paper money, and when statistics
When the ratio for going out the doubt paper money that newness degree in the doubt paper money is more than the 5th threshold value is more than Second Threshold, then it is judged as that needs are right
The doubt paper money is reviewed；Or
Second judging unit, for when detecting in the absence of double sign, is then calculated in crown word number most by DP algorithm
Public substring long, if the length of the Longest Common Substring is more than the 3rd threshold value, counts the newness degree of the doubt paper money,
And when newness degree is more than Second Threshold more than the ratio of the doubt paper money of the 5th threshold value in counting the doubt paper money, then sentence
Break to need to review the doubt paper money.
9. device according to claim 6, it is characterised in that the true and false determining module includes：
Execution unit is reviewed, for when judging that needs are reviewed, then entering to the doubt paper money using whole false distinguishing algorithms
Row is reviewed；
Number statistic unit, the average report vacation false distinguishing algorithm number of the doubt paper money during being reviewed for statistics；
True and false determining unit, is more than default 4th threshold value, then for the average report vacation false distinguishing algorithm number when the doubt paper money
Determine that the doubt paper money is false.
10. device according to claim 9, it is characterised in that described device also includes：
Currency examination data transmission blocks, for after it is determined that doubt paper money is counterfeit money, false false distinguishing algorithm being reported in the doubt paper money
The currency examination initial data of a most doubt paper money of number is sent to bank backstage so that bank backstage is according to the currency examination original number
According to the crown word number information of the doubt paper money is uploaded and counterfeit money database is updated to；
Associated instructions sending module, for sending associated instructions to bank backstage so that bank backstage by bank set take the photograph
The suspect's video recording shot as head makees association identification with the currency examination initial data of the doubt paper money, and backs up.
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