CN107464333A - Paper Currency Identification, device and terminal device - Google Patents
Paper Currency Identification, device and terminal device Download PDFInfo
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- CN107464333A CN107464333A CN201710566109.5A CN201710566109A CN107464333A CN 107464333 A CN107464333 A CN 107464333A CN 201710566109 A CN201710566109 A CN 201710566109A CN 107464333 A CN107464333 A CN 107464333A
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- CN
- China
- Prior art keywords
- bank note
- information
- word number
- crown word
- magnetic information
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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
- G07D7/04—Testing magnetic properties of the materials thereof, e.g. by detection of magnetic imprint
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Inspection Of Paper Currency And Valuable Securities (AREA)
Abstract
The present invention is applied to paper money recognition technical field, there is provided Paper Currency Identification, device and terminal device, methods described include：Information of the bank note in specified location is gathered, the specified location includes the crown word number position of bank note；Whether judge the information of collection includes magnetic information；Identify whether the bank note is imitated coin according to judged result.Magnetic information due to missing inspection crown word number can be reduced by the above method to produce the probability of erroneous judgement result.
Description
Technical field
The invention belongs to paper money recognition technical field, more particularly to a kind of Paper Currency Identification, device and terminal device.
Background technology
Due to driving for interests, various imitated bank note often occur in actual life, in order to prevent that imitated bank note flows into
Market is to safeguard the interests of people, and financial machine and tool field is also in the distinguishing ability of the imitated bank note of continuous lifting.
Existing Paper Currency Identification is typically by the identification paper such as the watermark for identifying bank note, holographic magnetic opened window safety line
The true and false of coin, but because the element on bank note is in addition to watermark and holographic magnetic opened window safety line, in addition to other elements, and
And existing bank note imitation technique also more and more higher, therefore, most probably leaked when carrying out paper money recognition using existing method
Inspection, the situation of flase drop.
Therefore, it is desirable to provide a kind of new Paper Currency Identification, to solve above-mentioned technical problem.
The content of the invention
In view of this, it is existing to solve the embodiments of the invention provide a kind of Paper Currency Identification, device and terminal device
Technology missing inspection, the problem of probability of flase drop is too high when carrying out paper money recognition.
The first aspect of the embodiment of the present invention provides a kind of Paper Currency Identification, including：
Information of the bank note in specified location is gathered, the specified location includes the crown word number position of bank note；
Whether judge the information of collection includes magnetic information；
Identify whether the bank note is imitated coin according to judged result.
The second aspect of the embodiment of the present invention provides a kind of paper money identifier, including：
Information acquisition unit, for gathering information of the bank note in specified location, the specified location includes the prefix of bank note
Number position；
Magnetic information judging unit, for judging whether the information of collection includes magnetic information；
Paper money recognition unit, for identifying whether the bank note is imitated coin according to judged result.
The third aspect of the embodiment of the present invention provides a kind of terminal device, including memory, processor and is stored in
In the memory and the computer program that can run on the processor, described in the computing device during computer program
Realize such as the step of any one of Paper Currency Identification methods described.
The fourth aspect of the embodiment of the present invention provides a kind of computer-readable recording medium, the computer-readable storage
Media storage has computer program, is realized when the computer program is executed by processor as described in any one of Paper Currency Identification
The step of method.
Existing beneficial effect is the embodiment of the present invention compared with prior art：
Know due to the information of the crown word number position of collection bank note, and according to whether the information of collection includes magnetic information
Whether other bank note is imitated coin, and the crown word number of existing bank note all includes magnetic information, therefore, can be dropped using the above method
The low probability that erroneous judgement result is produced due to the magnetic information of missing inspection crown word number.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
In the required accompanying drawing used be briefly described, it should be apparent that, drawings in the following description be only the present invention some
Embodiment, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these
Accompanying drawing obtains other accompanying drawings.
Fig. 1 is a kind of flow chart of Paper Currency Identification provided in an embodiment of the present invention；
Fig. 2A is a kind of crown word number provided in an embodiment of the present invention in the side to the right of bank note, and the crown word number of bank note mistake down
The schematic diagram of currency examination device；
Fig. 2 B are a kind of crown word numbers provided in an embodiment of the present invention in the side to the left of bank note, and the crown word number of bank note mistake down
The schematic diagram of currency examination device；
Fig. 2 C are a kind of crown word numbers provided in an embodiment of the present invention in the side to the right of bank note, and the crown word number of bank note mistake upward
The schematic diagram of currency examination device；
Fig. 2 D are a kind of crown word numbers provided in an embodiment of the present invention in the side to the left of bank note, and the crown word number of bank note mistake upward
The schematic diagram of currency examination device；
The structural representation of Fig. 3 paper money identifiers provided in an embodiment of the present invention；
Fig. 4 is the schematic diagram of terminal device provided in an embodiment of the present invention.
Embodiment
In describing below, in order to illustrate rather than in order to limit, it is proposed that such as tool of particular system structure, technology etc
Body details, thoroughly to understand the embodiment of the present invention.However, it will be clear to one skilled in the art that there is no these specific
The present invention can also be realized in the other embodiments of details.In other situations, omit to well-known system, device, electricity
Road and the detailed description of method, in case unnecessary details hinders description of the invention.
In order to illustrate technical solutions according to the invention, illustrated below by specific embodiment.
Fig. 1 shows a kind of flow chart of Paper Currency Identification provided in an embodiment of the present invention, and details are as follows：
Step S11, gathers information of the bank note in specified location, and the crown word number institute that the specified location includes bank note is in place
Put.
Specifically, bank note is placed according to the requirement of currency examination device, when the bank note passes through currency examination device, currency examination device collection should
Bank note specified location information, such as, collection bank note crown word number position information.Wherein, the bank note of collection is being preced with
The information of font size position includes image information corresponding to magnetic information and the crown word number.
Whether step S12, judging the information of collection includes magnetic information.
Specifically, when the crown word number of bank note includes magnetic information, currency examination device will collect pair in crown word number position
The magnetic information answered.Certainly, due to also having other elements to include magnetic (or magnetic information), such as the safety line of bank note in bank note
Equally include magnetic information, therefore, in order to reduce magnetic information of the magnetic information of bank note other elements to the crown word number of bank note
Interference, magnetic information screening arrangement need to be set in currency examination device, with shield the magnetic information of non-crown word number position to hat
The interference of the magnetic information of font size position.
Step S13, identify whether the bank note is imitated coin according to judged result.
Wherein, the step S13 includes：
A1, when the information of collection does not include magnetic information, it is imitated coin to identify the bank note.
A2, when the information of collection includes magnetic information, judge whether the magnetic information meets the requirements, if not meeting,
It is imitated coin to identify the bank note.
In above-mentioned A1 and A2, because the crown word number of current bank note can include magnetic (or magnetic information), therefore, if judging
Going out the information of the crown word number position of collection does not include magnetic information, then it is imitated coin to judge the bank note.Further, since hat
The magnetic (or magnetic information) of font size is to have certain requirements, therefore, if judging the information of the crown word number position of collection
Including magnetic information, also need to determine whether the magnetic information requirement for the crown word number whether magnetic information meets bank note, if not
Meet, it is imitated coin equally to judge the bank note.Specifically, be magnetic material in the crown word number of bank note, with its mechanical and physical property
Encoded.When the crown word number of bank note passes through magnetic sensor, the magnetic line of force passes through the magnetosphere of bank note, the magnetic on the magnetosphere
The special material changed on metal wire forms polarity and different " small magnet " of magnetic strength, so as to form continually changing magnetic
Flux, and then produce induced electromotive force.After magnetic sensor detects magnetic signal, amplify, modulate the magnetic signal, form magnetic
Hum pattern, by the magnetic information figure and each denominations (including 10 pieces, 20 pieces, 50 pieces, the RMB such as 100 pieces, or other international goods
Coin) reference waveform model and periodic model be compared, if all going beyond the scope, judge that bank note corresponding to the magnetic information figure is
Imitated coin, conversely, then can determine whether the bank note is genuine note with reference to other paper money recognition algorithms.
Alternatively, the step S11 is specifically included：
B1, by strip magnetic sensor gather bank note in the magnetic signal of specified location, the strip magnetic transducing
The direction that device is arranged in currency examination device is parallel by the direction of the currency examination device with the crown word number of the bank note.Specifically, due to
Crown word number is to be distributed in bar shaped on bank note, therefore, in order to collect the magnetic information of all crown word numbers, it is necessary to pass through
The same magnetic signal with strip magnetic sensor collection crown word number position.Certainly, the strip magnetic sensor
Length should be greater than or equal to bank note crown word number each character all length.Such as Fig. 2A, Fig. 2 B, Fig. 2 C and Fig. 2 D institutes
Show, Fig. 2A~Fig. 2 D show schematic diagram when crown word number passes through currency examination device by different way, it need to be pointed out that the present invention is real
Apply the magnetic sensor in strip magnetic sensor i.e. Fig. 2A~Fig. 2 D of example.Fig. 2A shows crown word number in the to the right of bank note
Side, and the crown word number of bank note crosses the schematic diagram of currency examination device down, Fig. 2 B show crown word number in the side to the left of bank note, and bank note
Crown word number crosses the schematic diagram of currency examination device down, and Fig. 2 C show crown word number in the side to the right of bank note, and the crown word number of bank note is upward
The schematic diagram of currency examination device is crossed, Fig. 2 D show crown word number in the side to the left of bank note, and the crown word number of bank note crosses currency examination device upward
Schematic diagram.
B2, by the bank note of collection in the magnetic signal of specified location by circuit conversion it is digital information, the number
Word information includes magnetic information.Specifically, for the ease of analyzing and storing, the magnetic signal of collection is converted into analog signal,
And then the analog signal is converted into corresponding data signal again, that is, be converted to digital information.
Alternatively, in order to specifically judge whether the magnetic information of collection meets the requirements, the A2 includes：
A21, when the information of collection includes magnetic information, the amplitude for the magnetic information that statistics information includes.
A22, the amplitude of the magnetic information that the digital information includes is judged whether in default amplitude range, if not
In default amplitude range, it is imitated coin to identify the bank note.
In above-mentioned A21 and A22, default amplitude range is the standard magnetic information of the crown word number of the bank note obtained in advance
Amplitude range, certainly, due to the amplitude model of standard magnetic information corresponding to the magnetic information of the crown word number of the bank note of the different amount of money
Enclosing may be different, therefore, can first judge the amount of money of bank note that need to be identified, then extract equal with the amount of money before A22 is performed
The amplitude range of standard magnetic information corresponding to the magnetic information of the crown word number of bank note.
Alternatively, in order to further reduce the leakage identification of imitated bank note, probability of misrecognition, then the Paper Currency Identification is also
Including：
C1, when the magnetic information meets the requirements, the figure according to the inherent characteristic of crown word number from the bank note of collection
The binary image of crown word number is extracted as in.Wherein, the inherent characteristic of crown word number includes following at least one：Crown word number is in stroke
Brightness, thickness, height and character pitch.Specifically, if in step s 11, gathering letter of the bank note in crown word number position
Breath includes gathering image information corresponding to crown word number, then directly according to corresponding to crown word number of the inherent characteristic of crown word number from collection
The binary image of crown word number is extracted in image information；If gathering information of the bank note in crown word number position does not include collection
Image information corresponding to crown word number, then after judging that magnetic information meets the requirements, then gather the image of bank note.It may be noted that
It is that the image of above-mentioned bank note can be the image information for only including crown word number, or image letter corresponding to whole bank note
Breath.
C2, the binary image for examining the crown word number, classify according to assay to the bank note.Specifically,
Because the inherent characteristic of different batches, the crown word number of the bank note of the different amount of money is typically different, therefore, the two of crown word number is examined
Value image, mainly by stroke brightness, thickness, brightness and the character pitch of crown word number corresponding to the binary image, with
Different batches, the stroke luminance threshold scope of crown word number of bank note of the different amount of money, thickness threshold range, height threshold scope with
And character pitch threshold range compares, if comparative result falls into the stroke brightness of the crown word number of the bank note of a certain amount of money of a certain batch
Threshold range, thickness threshold range, height threshold scope and character pitch threshold range, then the bank note to be identified is categorized as
The bank note classification of a certain a certain amount of money of batch, if in the stroke brightness of the crown word number of extraction, thickness, brightness and character pitch
Corresponding threshold range requirement is not met in the presence of any one, then can not be classified.
Certainly, in order to further improve the degree of accuracy of paper money recognition, then extraction crown word number stroke brightness, thickness,
When height and character pitch all meet corresponding threshold range requirement, the watermark and/or safety line that can continue detection bank note are
It is no to meet the requirements, with the further leakage identification for reducing imitated bank note, probability of misrecognition.
In the embodiment of the present invention, information of the bank note in specified location is gathered, the specified location includes the crown word number of bank note
Whether position, judging the information of collection includes magnetic information, identifies whether the bank note is imitated coin according to judged result.
It is due to the information of the crown word number position of collection bank note, and according to whether the information of collection includes magnetic information identification bank note
No is imitated coin, and the crown word number of existing bank note all includes magnetic information, therefore, can be reduced due to leakage using the above method
Examine the magnetic information of crown word number and produce the probability of erroneous judgement result.
Fig. 3 shows a kind of structural representation of paper money identifier provided in an embodiment of the present invention, for convenience of description,
It illustrate only the part related to the embodiment of the present invention.
The paper money identifier 3 includes：Information acquisition unit 31, magnetic information judging unit 32, paper money recognition unit 33.
Wherein：
Information acquisition unit 31, for gathering information of the bank note in specified location, the specified location includes the hat of bank note
Font size position.
Wherein, information of the bank note of collection in crown word number position includes figure corresponding to magnetic information and the crown word number
As information.
Magnetic information judging unit 32, for judging whether the information of collection includes magnetic information.
Specifically, in order to reduce interference of the magnetic information of bank note other elements to the magnetic information of the crown word number of bank note,
Magnetic information screening arrangement need to be set in currency examination device, to shield the magnetic information of non-crown word number position to where crown word number
The interference of the magnetic information of position.
Paper money recognition unit 33, for identifying whether the bank note is imitated coin according to judged result.
Wherein, the paper money recognition unit 33 includes：
First imitated coin identification module, for when the information of collection does not include magnetic information, identifying that the bank note is
Imitated coin.
Second imitated coin identification module, for when the information of collection includes magnetic information, judging that the magnetic information is
No to meet the requirements, if not meeting, it is imitated coin to identify the bank note.
Specifically, after magnetic sensor detects magnetic signal, amplify, modulate the magnetic signal, form magnetic information figure, will
The standard of the magnetic information figure and each denominations (including 10 pieces, 20 pieces, 50 pieces, the RMB such as 100 pieces, or other convertible foreign exchanges)
Waveform model and periodic model are compared, if all going beyond the scope, it is imitated coin to judge bank note corresponding to the magnetic information figure, instead
It, then can determine whether the bank note is genuine note with reference to other paper money recognition algorithms.
Alternatively, described information collecting unit 31 specifically includes：
Magnetic signal acquisition module, for gathering bank note in the magnetic signal of specified location, institute by strip magnetic sensor
State the direction that the crown word number of direction that strip magnetic sensor is arranged in currency examination device and the bank note passes through the currency examination device
It is parallel.Specifically, because crown word number is to be distributed in bar shaped on bank note, therefore, in order to collect all crown word numbers
Magnetic information is, it is necessary to by equally having the magnetic signal of strip magnetic sensor collection crown word number position.Certainly, the length
The length of bar shaped magnetic sensor should be greater than or equal to bank note crown word number each character all length.
Magnetic signal modular converter, for by the bank note of collection specified location magnetic signal by circuit conversion for number
Word information, the digital information include magnetic information.
Alternatively, in order to specifically judge whether the magnetic information of collection meets the requirements, the described second imitated coin identification module
Including：
The amplitude statistical module of magnetic information, for when the information of collection includes magnetic information, statistics information
Including magnetic information amplitude.
Amplitude com parison module, whether the amplitude of the magnetic information included for judging the digital information is in default width
In the range of value, if not in default amplitude range, it is imitated coin to identify the bank note.
Because the amplitude range of standard magnetic information corresponding to the magnetic information of the crown word number of the bank note of the different amount of money may
Difference, therefore, before amplitude com parison module is performed, first judge the amount of money of bank note that need to be identified, then extract equal with the amount of money
Bank note crown word number magnetic information corresponding to standard magnetic information amplitude range.
Alternatively, in order to further reduce the leakage identification of imitated bank note, probability of misrecognition, the paper money identifier also wraps
Include：
Crown word number extraction unit, for when the magnetic information meets the requirements, according to the inherent characteristic of crown word number from adopting
The binary image of crown word number is extracted in the image of the bank note of collection.Wherein, the inherent characteristic of crown word number include it is following at least
It is a kind of：Crown word number is in stroke brightness, thickness, height and character pitch.It is pointed out that the image of above-mentioned bank note can be with
Only to include the image information of crown word number, or image information corresponding to whole bank note.
Crown word number characteristic judging unit, for examining the binary image of the crown word number, according to assay to described
Bank note is classified.
Specifically, by stroke brightness, thickness, brightness and the character pitch of crown word number corresponding to the binary image, with
Different batches, the stroke luminance threshold scope of crown word number of bank note of the different amount of money, thickness threshold range, height threshold scope with
And character pitch threshold range compares, if comparative result falls into the stroke brightness of the crown word number of the bank note of a certain amount of money of a certain batch
Threshold range, thickness threshold range, height threshold scope and character pitch threshold range, then the bank note to be identified is categorized as
The bank note classification of a certain a certain amount of money of batch, if in the stroke brightness of the crown word number of extraction, thickness, brightness and character pitch
Corresponding threshold range requirement is not met in the presence of any one, then can not be classified.
Certainly, if the crown word number of extraction all meets corresponding threshold value model in stroke brightness, thickness, height and character pitch
Requirement is enclosed, then can continue to detect the watermark of bank note and/or whether safety line meets the requirements, with the further leakage for reducing imitated bank note
Identification, probability of misrecognition.
In the embodiment of the present invention, the information of the crown word number position due to gathering bank note, and be according to the information of collection
It is no to identify whether bank note is imitated coin including magnetic information, and the crown word number of existing bank note all includes magnetic information, therefore, adopts
It can reduce in aforementioned manners due to the magnetic information of missing inspection crown word number and produce the probability of erroneous judgement result.
Fig. 4 is the schematic diagram for the terminal device that one embodiment of the invention provides.As shown in figure 4, the terminal of the embodiment is set
Standby 4 include：Processor 40, memory 41 and it is stored in the meter that can be run in the memory 41 and on the processor 40
Calculation machine program 42.The processor 40 realizes that above-mentioned each dysmenorrhoea Products Show method is implemented when performing the computer program 42
Step in example, such as the step S11 to step S13 shown in Fig. 1.Or the processor 40 performs the computer program
The function of each module/unit in above-mentioned each device embodiment, such as the function of module 31 to 33 shown in Fig. 3 are realized when 42.
Exemplary, the computer program 42 can be divided into one or more module/units, it is one or
Multiple module/units are stored in the memory 41, and are performed by the processor 40, to complete the present invention.Described one
Individual or multiple module/units can be the series of computation machine programmed instruction section that can complete specific function, and the instruction segment is used for
Implementation procedure of the computer program 42 in the terminal device 4 is described.For example, the computer program 42 can be divided
Information acquisition unit, magnetic information judging unit, paper money recognition unit are cut into, each unit concrete function is as follows：
Information acquisition unit, it is described for when bank note passes through currency examination device, gathering information of the bank note in specified location
Specified location includes the crown word number position of bank note；
Magnetic information judging unit, for judging whether the information of collection includes magnetic information；
Paper money recognition unit, for identifying whether the bank note is imitated coin according to judged result.
The terminal device 4 can be that the calculating such as desktop PC, notebook, palm PC and cloud server are set
It is standby.The terminal device may include, but be not limited only to, processor 40, memory 41.It will be understood by those skilled in the art that Fig. 4
The only example of terminal device 4, the restriction to terminal device 4 is not formed, can included than illustrating more or less portions
Part, some parts or different parts are either combined, such as the terminal device can also include input-output equipment, net
Network access device, bus etc..
Alleged processor 40 can be CPU (Central Processing Unit, CPU), can also be
Other general processors, digital signal processor (Digital Signal Processor, DSP), application specific integrated circuit
(Application Specific Integrated Circuit, ASIC), ready-made programmable gate array (Field-
Programmable Gate Array, FPGA) either other PLDs, discrete gate or transistor logic,
Discrete hardware components etc..General processor can be microprocessor or the processor can also be any conventional processor
Deng.
The memory 41 can be the internal storage unit of the terminal device 4, such as the hard disk of terminal device 4 or interior
Deposit.The memory 41 can also be the External memory equipment of the terminal device 4, such as be equipped with the terminal device 4
Plug-in type hard disk, intelligent memory card (Smart Media Card, SMC), secure digital (Secure Digital, SD) card, dodge
Deposit card (Flash Card) etc..Further, the memory 41 can also both include the storage inside list of the terminal device 4
Member also includes External memory equipment.The memory 41 is used to store needed for the computer program and the terminal device
Other programs and data.The memory 41 can be also used for temporarily storing the data that has exported or will export.
It is apparent to those skilled in the art that for convenience of description and succinctly, only with above-mentioned each work(
Can unit, module division progress for example, in practical application, can be as needed and by above-mentioned function distribution by different
Functional unit, module are completed, i.e., the internal structure of described device are divided into different functional units or module, more than completion
The all or part of function of description.Each functional unit, module in embodiment can be integrated in a processing unit, also may be used
To be that unit is individually physically present, can also two or more units it is integrated in a unit, it is above-mentioned integrated
Unit can both be realized in the form of hardware, can also be realized in the form of SFU software functional unit.In addition, each function list
Member, the specific name of module are not limited to the protection domain of the application also only to facilitate mutually distinguish.Said system
The specific work process of middle unit, module, the corresponding process in preceding method embodiment is may be referred to, will not be repeated here.
In the above-described embodiments, the description to each embodiment all emphasizes particularly on different fields, and is not described in detail or remembers in some embodiment
The part of load, it may refer to the associated description of other embodiments.
Those of ordinary skill in the art are it is to be appreciated that the list of each example described with reference to the embodiments described herein
Member and algorithm steps, it can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually
Performed with hardware or software mode, application-specific and design constraint depending on technical scheme.Professional and technical personnel
Described function can be realized using distinct methods to each specific application, but this realization is it is not considered that exceed
The scope of the present invention.
In embodiment provided by the present invention, it should be understood that disclosed device/terminal device and method, can be with
Realize by another way.For example, device described above/terminal device embodiment is only schematical, for example, institute
The division of module or unit is stated, only a kind of division of logic function, there can be other dividing mode when actually realizing, such as
Multiple units or component can combine or be desirably integrated into another system, or some features can be ignored, or not perform.Separately
A bit, shown or discussed mutual coupling or direct-coupling or communication connection can be by some interfaces, device
Or INDIRECT COUPLING or the communication connection of unit, can be electrical, mechanical or other forms.
The unit illustrated as separating component can be or may not be physically separate, show as unit
The part shown can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can be selected to realize the mesh of this embodiment scheme according to the actual needs
's.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, can also
That unit is individually physically present, can also two or more units it is integrated in a unit.Above-mentioned integrated list
Member can both be realized in the form of hardware, can also be realized in the form of SFU software functional unit.
If the integrated module/unit realized in the form of SFU software functional unit and as independent production marketing or
In use, it can be stored in a computer read/write memory medium.Based on such understanding, the present invention realizes above-mentioned implementation
All or part of flow in example method, by computer program the hardware of correlation can also be instructed to complete, described meter
Calculation machine program can be stored in a computer-readable recording medium, and the computer program can be achieved when being executed by processor
The step of stating each embodiment of the method.Wherein, the computer program includes computer program code, the computer program generation
Code can be source code form, object identification code form, executable file or some intermediate forms etc..The computer-readable medium
It can include：Any entity or device, recording medium, USB flash disk, mobile hard disk, the magnetic of the computer program code can be carried
Dish, CD, computer storage, read-only storage (ROM, Read-Only Memory), random access memory (RAM,
Random Access Memory), electric carrier signal, telecommunication signal and software distribution medium etc..It is it should be noted that described
The content that computer-readable medium includes can carry out appropriate increasing according to legislation in jurisdiction and the requirement of patent practice
Subtract, such as in some jurisdictions, electric carrier signal and electricity are not included according to legislation and patent practice, computer-readable medium
Believe signal.
Embodiment described above is merely illustrative of the technical solution of the present invention, rather than its limitations；Although with reference to foregoing reality
Example is applied the present invention is described in detail, it will be understood by those within the art that：It still can be to foregoing each
Technical scheme described in embodiment is modified, or carries out equivalent substitution to which part technical characteristic；And these are changed
Or replace, the essence of appropriate technical solution is departed from the spirit and scope of various embodiments of the present invention technical scheme, all should
Within protection scope of the present invention.
Claims (10)
- A kind of 1. Paper Currency Identification, it is characterised in that including：Information of the bank note in specified location is gathered, the specified location includes the crown word number position of bank note；Whether judge the information of collection includes magnetic information；Identify whether the bank note is imitated coin according to judged result.
- 2. Paper Currency Identification as claimed in claim 1, it is characterised in that described to identify that the bank note is according to judged result No is imitated coin, including：When the information of collection does not include magnetic information, it is imitated coin to identify the bank note；When the information of collection includes magnetic information, judge whether the magnetic information meets the requirements, if not meeting, described in identification Bank note is imitated coin.
- 3. Paper Currency Identification as claimed in claim 2, it is characterised in that the information for gathering bank note in specified location, Specifically include：Magnetic signal of the bank note in specified location is gathered by strip magnetic sensor, the strip magnetic sensor is arranged on Direction in currency examination device is parallel by the direction of the currency examination device with the crown word number of the bank note；In the magnetic signal of specified location by circuit conversion it is digital information by the bank note of collection, the digital information Including magnetic information.
- 4. Paper Currency Identification as claimed in claim 3, it is characterised in that the information in collection includes magnetic information When, judge whether the magnetic information meets the requirements, if not meeting, it is imitated coin to identify the bank note, including：When the information of collection includes magnetic information, the amplitude for the magnetic information that statistics information includes；The amplitude for the magnetic information that the digital information includes is judged whether in default amplitude range, if not default In amplitude range, it is imitated coin to identify the bank note.
- 5. Paper Currency Identification as claimed in claim 2, it is characterised in that when the magnetic information meets the requirements, according to The inherent characteristic of crown word number extracts the binary image of crown word number from the image of the bank note of collection；The binary image of the crown word number is examined, the bank note is classified according to assay.
- A kind of 6. paper money identifier, it is characterised in that including：Information acquisition unit, for gathering information of the bank note in specified location, the specified location includes the crown word number institute of bank note In position；Magnetic information judging unit, for judging whether the information of collection includes magnetic information；Paper money recognition unit, for identifying whether the bank note is imitated coin according to judged result.
- 7. paper money identifier as claimed in claim 6, it is characterised in that the paper money recognition unit includes：First imitated coin identification module, for when the information of collection does not include magnetic information, it to be imitated to identify the bank note Coin；Second imitated coin identification module, for when the information of collection includes magnetic information, judging whether the magnetic information accords with Close and require, if not meeting, it is imitated coin to identify the bank note.
- 8. paper money identifier as claimed in claim 7, it is characterised in that the paper money identifier also includes：Crown word number extraction unit, for when the magnetic information meets the requirements, according to the inherent characteristic of crown word number from collection The binary image of crown word number is extracted in the image of the bank note；Crown word number characteristic judging unit, the binary image of the crown word number is examined, the bank note is carried out according to assay Classification.
- 9. a kind of terminal device, including memory, processor and it is stored in the memory and can be on the processor The computer program of operation, it is characterised in that realize such as claim 1 to 5 described in the computing device during computer program The step of any one methods described.
- 10. a kind of computer-readable recording medium, the computer-readable recording medium storage has computer program, and its feature exists In when the computer program is executed by processor the step of realization such as any one of claim 1 to 5 methods described.
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