CN106355740A - Currency detection information processing device and method - Google Patents
Currency detection information processing device and method Download PDFInfo
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- CN106355740A CN106355740A CN201610692867.7A CN201610692867A CN106355740A CN 106355740 A CN106355740 A CN 106355740A CN 201610692867 A CN201610692867 A CN 201610692867A CN 106355740 A CN106355740 A CN 106355740A
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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
-
- 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
- G07D7/16—Testing the dimensions
- G07D7/164—Thickness
-
- 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
- G07D7/181—Testing mechanical properties or condition, e.g. wear or tear
- G07D7/187—Detecting defacement or contamination, e.g. dirt
-
- 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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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Inspection Of Paper Currency And Valuable Securities (AREA)
Abstract
The invention discloses a currency detection information processing device and method. The device comprises: data acquisition unit; a first digital signal processing chip connected to the data acquisition unit; a second digital signal processing chip connected to the data acquisition unit; an abnormal banknote recognition module, in connection with the first digital signal proces chip and the second digital signal processing chip. The technical scheme of the present invention saves the unnecessary data transfer time, identifies if a banknote is abnormal at a faster speed, and shortens the currency detection processing time.
Description
Technical field
The present embodiments relate to a kind of bank note data treatment technology, more particularly, to a kind of currency examination messaging device and side
Method.
Background technology
Economic development drives the circulation of currency, and with the increase of currency number, some illegal bank note emerge,
The life giving people brings a lot of problems.
Existing paper money recognition technology, by the acquisition of banknote image data, thickness data and magnetic data and place
Reason solves the problems, such as illegal bank note.Existing paper money recognition technology is to arrange the first digital processing chip and in cash inspecting machine
Two digital processing chips, the banknote image collecting data is activation is given the first digital processing chip by field programmable gate array,
The magnetic data collecting and thickness data are sent to the second digital processing chip, the first digital processing chip and the second numeral
Process chip carries out calculation process data respectively, and first, the part image data calculating is passed through by the first digital processing chip
Relevant interface is sent to the second digital processing chip, and the second digital processing chip starts after receiving view data to calculate.
Because, in prior art, the second digital processing chip is receiving the view data that the first digital processing chip is processed
Just start computing afterwards, and the complexity of the data volume of magnetic data and thickness data and computing will be well below picture number
According to data volume and computing complexity, the process time of the therefore second digital processing chip is than the first digital processing chip
Process time few, the first digital processing chip will relatively lag behind more than ten milliseconds, paper money recognition process during, this section
Time is just wasted.
Content of the invention
The embodiment of the present invention provides a kind of currency examination messaging device and method, to shorten the currency examination time.
In a first aspect, embodiments providing a kind of currency examination messaging device, comprising: data capture unit, use
In the view data, magnetic data and the thickness data that obtain the bank note collecting, by described image data and magnetic data transmission
To the first digital signal processing chip, described image data and thickness data are transferred to the second digital signal processing chip；
First digital signal processing chip, is connected with described data capture unit, to described image data
Reason obtains image public information, is extremely tied according to the first bank note that described image public information and described magnetic data determine bank note
Really；
Second digital signal processing chip, is connected with described data capture unit, to described image data
Reason obtains image public information, is extremely tied according to the second bank note that described image public information and described thickness data determine bank note
Really；
Bank note anomalous identification module, with described first digital signal processing chip and the second digital signal processing chip phase
Even, for obtaining described first bank note abnormal resulties and the second bank note abnormal resulties, different with the final bank note that determines described bank note
Often result；
Further, described data capture unit is field programmable gate array；
Further, described digital signal processing chip accesses described field programmable gate by external equipment connecting interface
Array.
Further, the embodiment of the present invention also includes view data buffer unit, described image data buffer storage unit and institute
State data capture unit to be connected, for caching the view data receiving, and after the completion of caching, be supplied to described data acquisition
Unit.
Second aspect, the embodiment of the present invention additionally provides a kind of currency examination information processing method, comprising:
The view data of bank note, magnetic data and thickness data that data capture unit acquisition collects, by described image
Data and magnetic data are transferred to the first digital signal processing chip, and described image data and thickness data are transferred to the second number
Word signal processing chip；
First digital signal processing chip carries out to described image data processing acquisition image public information, according to described figure
As public information and described magnetic data determine the first bank note abnormal resulties of bank note；
Second digital signal processing chip carries out to described image data processing acquisition image public information, according to described figure
As public information and described thickness data determine the second bank note abnormal resulties of bank note；
Bank note anomalous identification module obtains described first bank note abnormal resulties and the second bank note abnormal resulties, described to determine
The final bank note abnormal resulties of bank note；
Further, described data capture unit is assigned to the first digital signal processing chip and the second Digital Signal Processing
The described image data of chip is identical；
Further, described data capture unit is by data distribution to described first digital signal processing chip and described
The initial time of two digital signal process chip is identical.
Pending view data, by improving to currency examination processing meanss, is distributed by the present invention by data capture unit
To two digital signal processing chips, magnetic data is sent to the first digital signal processing chip simultaneously, thickness data is sent out
Give the second digital signal processing chip, the therefore first digital signal processing chip had not only received view data but also received magnetic number
According to the second digital signal processing chip had not only received view data but also received thickness data.Solve because at the first digital signal
During reason chip is transferred to the second digital signal processing chip view data after processing view data, the second digital signal
View data after process chip waits the first digital signal processing chip to process the time of view data and process is transferred to
The transmission time of the second digital signal processing chip is wasted, and leads to the problem that currency examination process time increases to be tested it is achieved that shortening
The effect of paper money process time.
Brief description
Fig. 1 is the structural representation of the currency examination messaging device of first embodiment of the invention；
Fig. 2 is the schematic flow sheet of the currency examination information processing method of second embodiment of the invention.
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 related to the present invention rather than entire infrastructure is illustrate only in description, accompanying drawing.
Embodiment one
Fig. 1 is the structural representation of the currency examination messaging device of first embodiment of the invention, as shown in figure 1, one kind is tested
Paper money messaging device, comprising: data capture unit 2, the first digital signal processing chip 3, the second digital signal processing chip 1
With bank note anomalous identification module 4, below each module is specifically described.
Described data capture unit 2, for obtaining view data, magnetic data and the thickness data of the bank note collecting,
Described image data and magnetic data are transferred to the first digital signal processing chip 3, by described image data and thickness data
It is transferred to the second digital signal processing chip 1；
First digital signal processing chip 3, is connected with described data capture unit 2, for carrying out to described image data
Process and obtain image public information, determine that according to described image public information and described magnetic data the first bank note of bank note is abnormal
Result；
Second digital signal processing chip 1, is connected with described data capture unit 2, for carrying out to described image data
Process and obtain image public information, determine that according to described image public information and described thickness data the second bank note of bank note is abnormal
Result；
Bank note anomalous identification module 4, with described first digital signal processing chip 3 and the second digital signal processing chip 1
It is connected, for obtaining described first bank note abnormal resulties and the second bank note abnormal resulties, to determine the final bank note of described bank note
Abnormal resulties.
In the present embodiment, data capture unit 2 removes from bank note front end access arrangement to bank note rear end specifically for collection
In this time period of equipment, obtain the view data related to bank note, magnetic data and thickness data.Optionally, described data
Acquiring unit 2 is field programmable gate array.
The processing function of the first digital signal processing chip 3 and the second digital signal processing chip 1 can be: described first
Digital signal processing chip 3 and described second digital signal processing chip 1 all can process view data, magnetic data and thickness
Data；Or can process view data and magnetic data, described second number for described first digital signal processing chip 3
Word signal processing chip 1 can process view data and thickness data etc..
The first described bank note abnormal resulties and the second bank note abnormal resulties can be: forge or true or paper money, serious damage, bank note
On have situations such as have large-area attachment on illegal speech and bank note.
Described bank note anomalous identification module 4, specifically for processing magnetic data and figure to the first digital signal processing chip 3
As the first bank note abnormal resulties obtaining after data and the second digital signal processing chip 1 process view data and thickness data
The the second bank note abnormal resulties obtaining afterwards carry out comprehensive analysis, finally determine the bank note abnormal resulties of described bank note.For example: the
One bank note abnormal resulties are true for bank note, are 1 yuan notes, and the second bank note abnormal resulties are true for bank note, and bank note has serious damage,
Adhesive tape is adhered on bank note, the normal identification module of described bank note converges to the first bank note abnormal resulties and the second bank note abnormal resulties
Always, show that this bank note is true, 100 yuan note new editions, bank note has serious damage, bank note adheres to the conclusion of adhesive tape, because bank note has
Bank note can be taken out, not recirculation by serious damage.
Optionally, described digital signal processing chip accesses described field-programmable gate array by external equipment connecting interface
Row.
The embodiment of the present invention additionally provides view data buffer unit, and described image data buffer storage unit is obtained with described data
Take unit 2 to be connected, for caching the view data receiving, and after the completion of caching, be supplied to described data capture unit 2.
In the present embodiment, described image data buffer storage unit, specifically for entering row cache, image to the view data obtaining
Data includes bank note direction, bank note version, the bank note amount of money, bank note damaged degree, and whether bank note has attachment etc., because bank note
View data various, more perfect for data can be supplied to data capture unit 2 after view data buffer unit.
The embodiment of the present invention solves because view data after the first digital signal processing chip 3 process view data
During being transferred to the second digital signal processing chip 1, the second digital signal processing chip 1 waits the first digital signal processor core
When view data after the time of piece 3 process view data and process is transferred to the transmission of the second digital signal processing chip 1
Between be wasted, lead to currency examination process time increase problem it is achieved that shorten currency examination process time effect.
Embodiment two
It has been explained that currency examination messaging device in embodiment one, with reference to Fig. 2 testing to the embodiment of the present invention two
The method flow of paper money information processing illustrates, and the equipment that the method can be provided using the embodiment of the present invention, to execute, is somebody's turn to do
Method comprises the steps:
Step s101, the view data of bank note, magnetic data and thickness data that data capture unit 2 acquisition collects,
Described image data and magnetic data are transferred to the first digital signal processing chip 3, by described image data and thickness data
It is transferred to the second digital signal processing chip 1；
In the present embodiment, it is specifically as follows and the view data collecting, magnetic data and thickness data are assigned to first
Digital signal processing chip 3 and the second digital signal processing chip 1, statistical picture data, thickness data and magnetic data, find
View data is because include bank note direction discernment, denomination identifying, version identification, bank note abnormality detection, damaged detection, new and old detection
Etc. detection data, data volume is big, and the algorithm of processing data is complicated, and magnetic data with thickness data compared with view data, number
Little according to measuring, the algorithm of processing data is also relatively easy, thus, the transmission of view data and process time are significantly larger than magnetic data
Transmission with thickness data and process time.
Magnetic data and thickness data can not individually judge the abnormal conditions of bank note, for example: thickness data is thick to bank note
Degree carries out detecting the data obtaining, and thickness data is possibly due to be technique of composite-RMB bank note i.e. counterfeit money it is also possible to be bank note extremely
On have attachment, such as: adhesive tape, if because coin tears us and can take and bonded with adhesive tape in daily life
Way, therefore can only detect that bank note is abnormal but specific true and false situation just cannot draw only by thickness data；Magnetic
Data is bank note difference denomination holography magnetic opened window safety line to be carried out checking the integral magnetic feature obtaining, by the magnetic of magnetic stripe
Property characteristic may determine that the abnormal conditions of bank note, but because the denomination of bank note is different, version is different, puts into the bank note pendulum of cash inspecting machine
Put can lead to rely solely on magnetic properties towards difference and cannot distinguish forge or true or paper money situation, for example: difference put by bank note, entry
Position also can change, and therefore cannot accurately know the true and false situation of bank note, need and image data information combines, just can be more
Accurately distinguish the abnormal conditions of bank note, in sum, described image data and magnetic data are transferred to the first digital signal
Process chip 3, described image data and thickness data are transferred to the second digital signal processing chip 1, can be more accurately
Differentiate the abnormal conditions of bank note.
Step s102, the first digital signal processing chip 3 carries out to described image data processing acquisition image public information,
Determine the first bank note abnormal resulties of bank note according to described image public information and described magnetic data；
Step s103, the second digital signal processing chip 1 carries out to described image data processing acquisition image public information,
Determine the second bank note abnormal resulties of bank note according to described image public information and described thickness data；
In the present embodiment, specific embodiment is included the view data processing field programmable gate array transmission, thickness
Data and magnetic data are assigned to the first digital signal processing chip 3 and the second digital signal processing chip 1, and it is carried out accordingly
Process obtain the first bank note abnormal resulties and the second bank note abnormal resulties, view data mainly with RMB as detection object,
As needed it is also possible to main currency carries out effective detection to various countries such as dollar, sterlings, image detection includes putting into currency examination
Direction put by the bank note of machine, the identification of banknote denomination, including 100 yuan, 50 yuan, 20 yuan, 10 yuan, 5 yuan, 1 yuan etc., version classification,
New and old grade, stain, breakage etc.；Magnetic data, because denomination, version and put into the bank note of cash inspecting machine and put towards different, is not allowed
Easily judge the true and false situation of bank note separately through magnetic characteristic, the view data obtaining and magnetic data result are passed through the first number
Word signal processing chip carries out process and can preferably bank note be identified.Thickness data is because have attachment also may be used on bank note
Banknote thickness abnormity can be led to, separately through thickness data judge forge or true or paper money situation not accurate enough it is therefore desirable to and picture number
It is believed that breath combines, view data and thickness number that field programmable gate array is transmitted by described second digital signal processing chip 1
Process according to combining, can more accurately distinguish the abnormal conditions of bank note.
Step s104, bank note anomalous identification module 4 obtains described first bank note abnormal resulties and the second bank note abnormal resulties,
To determine the final bank note abnormal resulties of described bank note.
Optionally, described data capture unit 2 is assigned to the first digital signal processing chip 3 and the second Digital Signal Processing
The described image data of chip 1 is identical.
Optionally, described data capture unit 2 is by data distribution to described first digital signal processing chip 3 and described
The initial time of two digital signal process chip 1 is identical.
In the present embodiment, it is specifically as follows and the first bank note abnormal resulties and the second bank note abnormal resulties are collected, obtain
Go out specific bank note abnormal conditions, for example, it may be sugar liquid or adhesive tape, bank note are attached with the true and false situation of bank note, bank note lacking
There is illegal word etc. above one angle and bank note.
In the present embodiment, specific embodiment includes, in current currency examination data receiver and process, field programmable gate
The view data collecting is sent to the first digital signal processing chip 3 by array, and the magnetic collecting and thickness data are sent out
Give the second digital signal processing chip 1, two digital signal processing chips carry out calculation process data, the first first number respectively
The a part of image public information data calculating is sent to the second digital signal by relevant interface by word signal processing chip 3
Process chip 1, the second digital signal processing chip 1 just starts computing after receiving image public information data, due to magnetic and
Thickness data amount and algorithm operation quantity are little, and the process time of the second digital signal processing chip 1 is than the first Digital Signal Processing
The speed of chip 3 is fast, and the first digital signal processing chip 3 wants delayed more than ten milliseconds of time relatively.
Due to needing to improve currency examination quality and efficiency, need to shorten the time of data receiver during currency examination, so carrying
The method having supplied the present embodiment, employs the number with the second digital signal processing chip 1 for cut-out the first digital signal processing chip 3
According to communication, send view data to respectively two digital signal processing chips by field programmable gate array, view data is
The same, magnetic data is sent to the first digital signal processing chip 3, such first digital signal processing chip 3 connects simultaneously
Receive view data and magnetic data, the second digital signal processing chip 1 receives view data and thickness data, this method just saves
Fall the time that the second digital signal processing chip 1 waits the first digital signal processing chip 3 data, eliminate the first number simultaneously
Word signal processing chip 3 sends the time of data, and after test, test result is as shown in table one and table two:
Table one
Table two
Going out the time that equipment is left in the infrared rear end in rear end for bank note rear end in table one and table two, that is, the beginning tested
Time；In table one first is spaced apart the second digital signal processing chip 1 in current currency examination data receiver and processing equipment
Process the time of magnetic data and thickness data；In table two first is spaced apart the currency examination messaging device in embodiment one
Second digital signal processing chip 1 processes the time of view data and thickness data；The second digital signal processor core in table one
Piece 1 responds the time having processed prompting after magnetic data and thickness data for the second digital signal processing chip 1, that is, the
Two digital signal process chip 1 occurs after having processed magnetic data and thickness data and completes briefing；In table two
Second digital signal processing chip 1 responds after having processed view data and thickness data for the second digital signal processing chip 1
The time of prompting, that is, the second digital signal processing chip 1 occurred after having processed view data and thickness data
Become briefing；In table one second is spaced apart the first digital signal processor core in current currency examination data receiver and processing equipment
Piece 3 same time when the second digital signal processing chip 1 starts to magnetic data and thickness data start to process starts to figure
As data is processed, after the second digital signal processing chip 1 completes magnetic data and thickness data are processed until
The time of the complete view data of the first digital signal processing chip 3；In table two first is spaced apart the first numeral letter in embodiment one
Number process chip 3 same time when the second digital signal processing chip 1 starts to image and thickness data start to process starts
View data and magnetic data are processed, completes to view data and thickness data in the second digital signal processing chip 1
Up to the time of the complete view data of the first digital signal processing chip 3 and magnetic data after process；
Can be seen that the process time ratio of the first digital signal processing chip 3 in the methods of the invention by table one and table two
The process time of method the first digital signal processing chip 3 has saved the time of nearly 10ms before.By method described in embodiment
Solve the waste of process and transmission time it is achieved that shortening the effect of currency examination process time.
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 being carried out to the present invention 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
Other Equivalent embodiments more can be included, and the scope of the present invention is determined by scope of the appended claims.
Claims (7)
1. a kind of currency examination messaging device is it is characterised in that include:
Data capture unit, for obtaining view data, magnetic data and the thickness data of the bank note collecting, by described image
Data and magnetic data are transferred to the first digital signal processing chip, and described image data and thickness data are transferred to the second number
Word signal processing chip；
First digital signal processing chip, is connected with described data capture unit, obtains for carrying out process to described image data
Take image public information, determine the first bank note abnormal resulties of bank note according to described image public information and described magnetic data；
Second digital signal processing chip, is connected with described data capture unit, obtains for carrying out process to described image data
Take image public information, determine the second bank note abnormal resulties of bank note according to described image public information and described thickness data；
Bank note anomalous identification module, is connected with described first digital signal processing chip and the second digital signal processing chip, uses
In obtaining described first bank note abnormal resulties and the second bank note abnormal resulties, extremely tied with the final bank note determining described bank note
Really.
2. equipment according to claim 1 is it is characterised in that described data capture unit is field programmable gate array.
3. equipment according to claim 2 is it is characterised in that described digital signal processing chip is connected by external equipment
Field programmable gate array described in interface accessing.
4. equipment according to claim 2 is it is characterised in that also include:
View data buffer unit, is connected with described data capture unit, for caching the view data receiving, and in caching
After the completion of, it is supplied to described data capture unit.
5. a kind of currency examination information processing method is it is characterised in that include:
The view data of bank note, magnetic data and thickness data that data capture unit acquisition collects, by described image data
It is transferred to the first digital signal processing chip with magnetic data, described image data and thickness data are transferred to the second numeral letter
Number process chip；
First digital signal processing chip carries out processing acquisition image public information to described image data, public according to described image
Co-information and described magnetic data determine the first bank note abnormal resulties of bank note；
Second digital signal processing chip carries out processing acquisition image public information to described image data, public according to described image
Co-information and described thickness data determine the second bank note abnormal resulties of bank note；
Bank note anomalous identification module obtains described first bank note abnormal resulties and the second bank note abnormal resulties, to determine described bank note
Final bank note abnormal resulties.
6. method according to claim 5 it is characterised in that:
Described data capture unit is assigned to the described figure of the first digital signal processing chip and the second digital signal processing chip
As data is identical.
7. method according to claim 5 it is characterised in that:
Described data capture unit is by data distribution to described first digital signal processing chip and described second digital signal
The initial time of reason chip is identical.
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| CN109308760A (en) * | 2018-08-20 | 2019-02-05 | 深圳蓝贝科技有限公司 | A kind of AI cloud system improving paper money device recognition accuracy |
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| CN105450891A (en) * | 2014-09-18 | 2016-03-30 | 柯尼卡美能达株式会社 | Image forming apparatus, and method for controlling parallel processing |
| CN105516624A (en) * | 2015-12-10 | 2016-04-20 | 合肥师范学院 | Multi-core digital signal processor (DSP) based multi-channel image acquisition processing system |
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| CN108020154A (en) * | 2017-11-21 | 2018-05-11 | 深圳怡化电脑股份有限公司 | The test method and test system of currency examination device |
| CN109308760A (en) * | 2018-08-20 | 2019-02-05 | 深圳蓝贝科技有限公司 | A kind of AI cloud system improving paper money device recognition accuracy |
| CN109308760B (en) * | 2018-08-20 | 2021-06-29 | 深圳蓝贝科技有限公司 | AI cloud system of paper currency ware discernment |
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