CN101833815A - Image identification system of paper money sorter and control method thereof - Google Patents
Image identification system of paper money sorter and control method thereof Download PDFInfo
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- CN101833815A CN101833815A CN201010106437A CN201010106437A CN101833815A CN 101833815 A CN101833815 A CN 101833815A CN 201010106437 A CN201010106437 A CN 201010106437A CN 201010106437 A CN201010106437 A CN 201010106437A CN 101833815 A CN101833815 A CN 101833815A
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Abstract
The invention relates to a paper money recognition system used for financial equipment, in particular to an image identification system of a paper money sorter and a control method thereof, aiming at providing a paper money counting system having a high-performance paper money sorting and image identification module. The image identification system comprises function modules, a logic control circuit is respectively connected with an analog-to-digital conversion circuit, a data storage device and a digital signal processing circuit and transmits data bidirectionally, a CIS (Contact Image Sensor) transmits data to the analog-to-digital conversion circuit, and an external interface circuit is connected with a digital signal processing circuit and transmits data bidirectionally. The invention has the advantage of simple design structure, and has the functions of high-performance identifying and outputting the variety, face value, orientation, completeness condition, number, infrared fluorescent color-changeable ink and other forgery prevention characteristics of paper money, thereby ensuring the reliability for paper money counting.
Description
Technical field
The present invention relates to a kind of paper money recognition system that is applied to finance device, particularly a kind of image identification system of paper currency sorter and control method thereof.
Background technology
The new national standard exposure draft of paper money counter proposes, and later bill handling finance device need possess image identification function, has the Currency Type, denomination of output bank note, towards the function of, complete situation, number, security feature such as infrared.
Bill handling finance device in the market, though individual machine partly possesses image identification function, but its paper money recognition processing mode too simply causes the error rate height, or its number processing speed is slow excessively, and stability and practicality can not satisfy current user's demand; In addition, the structure of equipment component is comparatively complicated, so cost high price is also high, so these expensive equipment be difficult in market, being admitted by users, so be difficult in masses, promote.
The performance of bill handling finance device and practicality, its basic bottleneck is the picture recognition module of paper currency sorting, picture recognition module must satisfy in high speed processing bank note process and to keep image that higher resolution is arranged, bank note characteristics such as number to bank note have processing capacity preferably, so that reliable paper money recognition technology to be provided.
In view of the above problems, the present invention discloses a kind of image identification system of paper currency sorter.It has technical characterictic as mentioned below, to solve existing problem.
Summary of the invention
In order to solve the problems of the technologies described above, improve paper currency sorter in the sorting performance of walking at a high speed under the paper money pattern, the invention provides a kind of image identification system with paper currency sorter of high performance paper currency sorting image identification function.
The image identification system of a kind of paper currency sorter of the present invention comprises logic control circuit, contact-type image sensor (CIS), analog to digital conversion circuit, data-carrier store, digital signal processing circuit, peripheral interface circuit.
Described logic control circuit is connected with analog to digital conversion circuit, data-carrier store, digital signal processing circuit respectively and bi-directional transfer of data.
Described contact-type image sensor (CIS) is connected with analog to digital conversion circuit, and to analog to digital conversion circuit transmission data.
Described peripheral interface circuit is connected with digital signal processing circuit and bi-directional transfer of data.
Described contact-type image sensor (CIS) is the simulating signal with the speed output image of every capable 200us in the process of analog to digital conversion circuit transmission data.
Described analog to digital conversion circuit is 15MHz in the frequency of operation that simulated data is converted in the numerical data process.
Described digital signal processing circuit comprises image recognition algorithm and supports the algorithm that number of paper money is printed.
The control method of the image identification system of described paper currency sorter may further comprise the steps:
Step 1: after enabling this system, contact-type image sensor (CIS) scanning paper currency information, and with the analog signal transmission of banknote image information to analog to digital conversion circuit, analog to digital conversion circuit is converted into simulated data numerical data and transfers to logic control circuit;
Step 2: logic control circuit receives and to extract effective view data after the data and deposit in the data-carrier store;
Step 3: digital signal processing circuit is discerned processing by the banknote image information that logic control circuit extracts in the data-carrier store, by peripheral interface circuit result is transferred out afterwards.
Project organization of the present invention is simple, in the sorting process to bank note, has the Currency Type, denomination of output bank note, towards the function of security features such as, complete situation, number, Infrared fluorescence color shifting ink.The resolution of number of paper money image is assigned more than 200DPI * 200DPI 600/minute bill handling speed, satisfies the image analytic degree requirement of OCR in 99% accuracy.
Description of drawings
Fig. 1 is the circuit theory diagrams of the image identification system of a kind of paper currency sorter of the present invention.
Fig. 2 is the block diagram of the method for operation of the image identification system of paper currency sorter.
Embodiment
According to claim of the present invention and the disclosed content of summary of the invention, embodiment specific as follows is described for technical scheme of the present invention:
Fig. 1 is the circuit theory diagrams of the image identification system of a kind of paper currency sorter of the present invention, comprises logic control circuit 1, contact-type image sensor (CIS) 2, analog to digital conversion circuit 3, data-carrier store 4, digital signal processing circuit 5, peripheral interface circuit 6.Described logic control circuit 1 is connected with analog to digital conversion circuit 3, data-carrier store 4, digital signal processing circuit 5 respectively and bi-directional transfer of data; Described contact-type image sensor (CIS) 2 is connected with analog to digital conversion circuit 3, and to analog to digital conversion circuit 3 transmission data; Described peripheral interface circuit 6 is connected with digital signal processing circuit 5 and bi-directional transfer of data.
Logic control circuit 1: carry out data processing, integrate each functional module and finish appointed function, as after the data that receive analog to digital conversion circuit 3 transmission, extract effective view data and abandon invalid view data, deposit in then in the data-carrier store 4, the data volume that has reduced image recognition is to realize finishing faster Flame Image Process.Logic control circuit 1 can be handled resolution by its reliable science algorithm and preserve up to view data and the storage of 200DPI.
Contact-type image sensor (CIS) 2: the reflection of light power is produced the different voltage of height according to bank note, to produce the simulating signal of banknote image, contact-type image sensor (CIS) 2 is the simulating signal with the speed output image of every capable 200us in the process of analog to digital conversion circuit 3 transmission data.
Analog to digital conversion circuit 3: this change-over circuit is high performance analog to digital conversion circuit, receive simulating signal, and the high performance analog data conversion that analog to digital conversion circuit 3 is produced is a numerical data, analog to digital conversion circuit 3 is supported the flatting turn of height of 15MHz, and analog to digital conversion circuit 3 is 15MHz in the frequency of operation that simulated data is converted in the numerical data process.
Data-carrier store 4: preserve the data of banknote image, data can be stored or extract to logic control circuit 1 in data-carrier store 4.
Digital signal processing circuit 5: have advanced rapid image recognizer, can extract the Digital Image Data of bank note in the data-carrier store 4 by logic control circuit 1, and data are discerned processing by image recognition algorithm, this image recognition algorithm can carry out image recognition to bank note in walking under the paper money speed of 600 of per minutes, digital signal processing circuit 5 also comprises the algorithm of supporting that number of paper money is printed, supports the number printing function of bank note.
Peripheral interface circuit 6: the image recognition processing result of receiving digital signals treatment circuit 5, and this result can be transferred out, can be storage or printing.
According to shown in Figure 2, the control method of the image identification system of above-mentioned paper currency sorter may further comprise the steps:
Step 1: after enabling this system, contact-type image sensor (CIS) 2 scanning paper currency information, and with the analog signal transmission of banknote image information to analog to digital conversion circuit 3, analog to digital conversion circuit 3 is converted into simulated data numerical data and transfers to logic control circuit 1;
Step 2: logic control circuit 1 receives and extracts effective view data after the data and deposit in the data-carrier store 4;
Step 3: digital signal processing circuit 5 is discerned processing by the banknote image information that logic control circuit 1 extracts in the data-carrier store 4, by peripheral interface circuit 6 result is transferred out afterwards.
The present invention realizes banknote image collection at a high speed by contact-type image sensor (CIS) 2 at a high speed, high performance analog to digital conversion circuit 3, extract the storage valid data by logic control circuit 1, abandon invalid data, reduce the image recognition data volume to realize finishing faster Flame Image Process, and pass through digital signal processing circuit 5 advanced persons image recognition algorithm fast, further promoted the image identification function of this system.
Project organization of the present invention is simple, has the Currency Type, denomination of high-performance identification and output bank note, towards the function of security features such as, complete situation, number, Infrared fluorescence color shifting ink.The resolution of number of paper money image is assigned more than 200DPI * 200DPI 600/minute bill handling speed, satisfies the image analytic degree requirement of OCR in 99% accuracy, for counting provides reliable guarantee.
The foregoing description only is giving an example of alternative embodiment of the present invention, and its disclosed feature only is used for explanation and sets forth technical scheme of the present invention, and is not intended to limit the scope of the invention.
Claims (5)
1. the image identification system of a paper currency sorter, it is characterized in that, comprise logic control circuit (1), contact-type image sensor (CIS) (2), analog to digital conversion circuit (3), data-carrier store (4), digital signal processing circuit (5), peripheral interface circuit (6);
Described logic control circuit (1) is connected with analog to digital conversion circuit (3), data-carrier store (4), digital signal processing circuit (5) respectively and bi-directional transfer of data;
Described contact-type image sensor (CIS) (2) is connected with analog to digital conversion circuit (3), and to analog to digital conversion circuit (3) transmission data;
Described peripheral interface circuit (6) is connected with digital signal processing circuit (5) and bi-directional transfer of data.
2. the image identification system of a kind of paper currency sorter according to claim 1, it is characterized in that described contact-type image sensor (CIS) (2) is the simulating signal with the speed output image of every capable 200us in the process of analog to digital conversion circuit (3) transmission data.
3. the image identification system of a kind of paper currency sorter according to claim 1 is characterized in that, described analog to digital conversion circuit (3) is 15MHz in the frequency of operation that simulated data is converted in the numerical data process.
4. the image identification system of a kind of paper currency sorter according to claim 1 is characterized in that, described digital signal processing circuit (5) comprises image recognition algorithm and supports the algorithm that number of paper money is printed.
5. the control method of the image identification system of a kind of paper currency sorter according to claim 1 is characterized in that, may further comprise the steps:
Step 1: after enabling this system, contact-type image sensor (CIS) (2) scanning paper currency information, and with the analog signal transmission of banknote image information to analog to digital conversion circuit (3), analog to digital conversion circuit (3) is converted into numerical data with simulated data and transfers to logic control circuit (1);
Step 2: logic control circuit (1) receives and to extract effective view data after the data and deposit in the data-carrier store (4);
Step 3: digital signal processing circuit (5) is discerned processing by the banknote image information that logic control circuit (1) extracts in the data-carrier store (4), by peripheral interface circuit (6) result is transferred out afterwards.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010106437A CN101833815A (en) | 2010-01-20 | 2010-01-20 | Image identification system of paper money sorter and control method thereof |
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| CN201010106437A CN101833815A (en) | 2010-01-20 | 2010-01-20 | Image identification system of paper money sorter and control method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102117514A (en) * | 2011-02-23 | 2011-07-06 | 苏州日宝科技有限责任公司 | Miniature bill counter capable of checking counterfeit notes |
| CN102842172A (en) * | 2010-11-19 | 2012-12-26 | 日立欧姆龙金融系统有限公司 | Bill deposit/withdrawal device |
| WO2014023109A1 (en) * | 2012-08-09 | 2014-02-13 | 广州广电运通金融电子股份有限公司 | Image identification system and image storage control method |
| CN104123787A (en) * | 2014-07-28 | 2014-10-29 | 梓昆科技（中国）股份有限公司 | High-speed banknote acquisition system and acquisition method |
| WO2016119410A1 (en) * | 2015-01-26 | 2016-08-04 | 广州广电运通金融电子股份有限公司 | Banknote crack detection method and apparatus |
| CN106127932A (en) * | 2016-06-21 | 2016-11-16 | 苏州格兰斯柯光电科技有限公司 | Paper money counter |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102842172A (en) * | 2010-11-19 | 2012-12-26 | 日立欧姆龙金融系统有限公司 | Bill deposit/withdrawal device |
| CN102842172B (en) * | 2010-11-19 | 2015-05-20 | 日立欧姆龙金融系统有限公司 | Bill deposit/withdrawal device |
| CN102117514A (en) * | 2011-02-23 | 2011-07-06 | 苏州日宝科技有限责任公司 | Miniature bill counter capable of checking counterfeit notes |
| CN102117514B (en) * | 2011-02-23 | 2012-11-28 | 苏州日宝科技有限责任公司 | Miniature bill counter capable of checking counterfeit notes |
| WO2014023109A1 (en) * | 2012-08-09 | 2014-02-13 | 广州广电运通金融电子股份有限公司 | Image identification system and image storage control method |
| US9838598B2 (en) | 2012-08-09 | 2017-12-05 | Grg Banking Equipment Co., Ltd. | Image identification system and image storage control method |
| CN104123787A (en) * | 2014-07-28 | 2014-10-29 | 梓昆科技（中国）股份有限公司 | High-speed banknote acquisition system and acquisition method |
| WO2016119410A1 (en) * | 2015-01-26 | 2016-08-04 | 广州广电运通金融电子股份有限公司 | Banknote crack detection method and apparatus |
| US10319172B2 (en) | 2015-01-26 | 2019-06-11 | Grg Banking Equipment Co., Ltd. | Banknote crack detection method and apparatus |
| CN106127932A (en) * | 2016-06-21 | 2016-11-16 | 苏州格兰斯柯光电科技有限公司 | Paper money counter |
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Application publication date: 20100915 |