CN104200562A - Image acquisition and processing method and image acquisition and processing circuit for double-CIS paper money identifier - Google Patents
Image acquisition and processing method and image acquisition and processing circuit for double-CIS paper money identifier Download PDFInfo
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- CN104200562A CN104200562A CN201410342304.6A CN201410342304A CN104200562A CN 104200562 A CN104200562 A CN 104200562A CN 201410342304 A CN201410342304 A CN 201410342304A CN 104200562 A CN104200562 A CN 104200562A
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Abstract
The invention discloses an image acquisition and processing method and an image acquisition and processing circuit for a double-CIS paper money identifier, wherein two CIS image sensors are used for acquiring the image data of the front surface and the back surface of each paper money respectively. The method comprises the following steps that: a) the data of the two images of the front surface and the back surface is input to a co-processing circuit; b) the co-processing circuit carries out line-by-line rearrangement and grey-scale correction on the acquired data of the two images; c) the co-processing circuit combines the two images after the rearrangement and grey-scale correction into a large image and outputs; d) one video input interface of a digital signal processor receives the image data output by the co-processing circuit, and carries out processing of identification, authentic identification and the like for the paper money on the images of the front surface and the back surface in the image data. According to the method and the circuit disclosed by the invention, splicing processing is carried out on the two images of the paper money in the co-processing circuit, and one digital signal processor is capable of processing the image signals of the front surface and the back surface simultaneously only by one video input interface. Meanwhile, the image data is output by a method of twofold pixel bit widths, thus adequately utilizing the bus resources of the digital signal processor, and increasing the utilization rate.
Description
[technical field]
The present invention relates to a kind of pair of CIS paper banknote identifier image acquisition and processing method, also relate to a kind of pair of CIS paper banknote identifier image capturing and processing circuit, be applicable to various paper money counters, cleaning-sorting machine and bank note is differentiated to association area.
[background technology]
In society, various counterfeit moneys emerge in an endless stream, and along with the manufacture the fake raising of technology of undesirable, the fidelity of counterfeit money is more and more higher, and financial security has been formed to threat, has affected social stability.How preventing that counterfeit money from coming into the market becomes the focus that each big banking mechanism and the vast social common people pay close attention to.
Various countries' bank note has anti-counterfeiting design, has different anti-counterfeiting characteristics under different illumination conditions.Therefore people can utilize these feature eye-observations, or the mode of observing by special imaging device is carried out artificial false distinguishing.But the false distinguishing of the artificial inapplicable bank note in enormous quantities of false distinguishing.Early stage bank note money counter, cleaning-sorting machine mainly carry out false distinguishing by reading the magnetic anti-counterfeit feature of bank note, but lawless person's fraud means are also improving, the magnetic characteristic of some counterfeit moneys is good enough to pass for genuine, particularly pieces together the magnetic anti-counterfeit feature that coin may have genuine note.Along with scientific and technical development, it is a kind of effective means that the counterfeit money recognition capability of utilizing method that imaging technique and image are processed to improve paper banknote identifier has become, as utilizes infrared imagery technique can effectively realize the false distinguishing that covers entire paper coin.
At present, the automatic paper money image analysis equipment based on graphical analysis often adopts line scan image sensor to carry out acquisition of image data, then transfers to digital signal processor to carry out the detection and Identification of bank note view data.Generally need to gather with a line scan image sensor image of bank note one side, with another line scan image sensor, gather the image of bank note another side, need to be with two digital signal processing chips with digital video input interface, or the digital signal processing chip of the concrete two-digit video input interface of a slice, could process respectively from two line scan image sensor Er road picture signals, so cost is higher.
[summary of the invention]
In order to overcome the deficiency of existing technology, the invention provides a kind of pair of CIS paper banknote identifier image acquisition and processing method and circuit.The two CIS banknote image acquiring and processing methods and the circuit thereof that adopt the present invention to propose, can realize with two CIS imageing sensors and gather the double-edged image of bank note, need to have simultaneously only a video input interface digital signal processor just can receive simultaneously and process two width images, reduced paper banknote identifier hardware cost.Adopt two CIS banknote image acquisition process circuit of the present invention's proposition, can realize the function of two CIS banknote image acquisition process.
Technical matters to be solved by this invention is to adopt the cheap digital signal processing chip that only has a digital video input interface, as DM6437, acquisition and processing is respectively from two line scan image sensors (as CIS, contact-type image sensor) Er road picture signal simultaneously.The present invention proposes a kind of pair of CIS paper banknote identifier image acquisition and processing method, utilize the method can gather with two CIS imageing sensors the double-edged image information of bank note, the method utilizes two CIS imageing sensors to gather the double-edged two width image informations of bank note, and by association's treatment circuit, two width image informations are processed, be spliced into the large image of a width and send digital signal processor to.The present invention also proposes a kind of pair of CIS paper banknote identifier image capturing and processing circuit, can realize above-mentioned pair of CIS paper banknote identifier image acquisition and processing method.Because traditional method is all to receive the banknote image data that CIS imageing sensor collects with a video input interface of digital signal processor, if gather multiple image, need a plurality of DSP chip of only having a video signal input interface, or needing a slice to there is the DSP chip of a plurality of video signal input interface, cost is higher.But this method only need to have a slice digital signal processor of a video input interface just can gather two banknote image, has greatly reduced hardware development cost.
The technical solution adopted in the present invention is: a kind of pair of CIS banknote image acquiring and processing method, and two CIS imageing sensors gather respectively the double-edged view data of bank note, comprise a) double-edged two width view data input association treatment circuits; B) association's treatment circuit is reset and gray correction line by line to this two width view data collecting; C) association's treatment circuit is by the large image output of the synthetic width of this two width image sets after rearrangement and gray correction; D) digital signal processor video input interface receives the view data of association's treatment circuit output, and double-edged image in this view data is carried out respectively to the processing such as identification, false distinguishing of bank note.Described association's treatment circuit refers to programmable logic device (PLD) or special IC.
In said method, the described method by the synthetic large image of a width of second mate's image sets refers to, every row view data a line in association's treatment circuit that two CIS imageing sensors collect is spliced into the large image line of a double-width on the right side at left another row.
In said method, while assisting treatment circuit output image data, adopt two times of pixel bit wide output image datas to digital signal processor.
In said method, association's treatment circuit is processed the each row of data of input, obtains line by line statistics and data boundary, as the additional data of image.Described every row banknote image data also comprise described additional data.
In said method, when association's treatment circuit detects arrival coin signal in the digital signal from a CIS, start to gather the data of image A, if at this moment gathering image B, first stop gathering image B, then start immediately to gather the data of image A; While detecting arrival coin signal ended in the digital signal from a CIS, finish the collection of image A, and start immediately to gather image B; While detecting arrival coin signal ended in the digital signal from the 2nd CIS, finish the collection of image B.
For implementing said method, solve the problems of the technologies described above, the present invention also proposes a kind of pair of CIS banknote image acquisition process circuit, comprises two CIS imageing sensors, analog to digital conversion circuit, association's treatment circuit, digital signal processor.
Foregoing circuit specifically comprises: a) two CIS imageing sensors gather respectively the double-edged two width view data of bank note; B) analog to digital conversion circuit converts CIS imageing sensor output Ge road analog picture signal to data image signal, in CIS imageing sensor during embedded analog to digital conversion circuit, the direct output digital image signal of CIS imageing sensor, in CIS imageing sensor not during embedded analog to digital conversion circuit, CIS imageing sensor output analog picture signal; Analog to digital conversion circuit output digital image signal is to association's treatment circuit; C) association's treatment circuit receives the data image signal of analog to digital conversion circuit output, and the view data collecting is reset and gray correction line by line, and by the large image output of the synthetic width of this two width image sets; D) digital signal processor has at least one video input interface, for receiving the view data of association's treatment circuit output, and double-edged image is wherein carried out respectively to the processing such as identification, false distinguishing of bank note.In foregoing circuit, association's treatment circuit adopts two times of pixel bit wide output image datas to digital signal processor.
In foregoing circuit, described association's treatment circuit is processed the each row of data of input, obtains line by line statistics and data boundary, as the additional data of image; Described every row banknote image data also comprise described additional data.
In foregoing circuit, when association's treatment circuit detects arrival coin signal in the digital signal from a CIS, start to gather the data of image A, if at this moment gathering image B, first stop gathering image B, at row subsequently, send image acquisition end signal dynamic stage, then start immediately to gather the data of image A; While detecting arrival coin signal ended in the digital signal from a CIS, the row subsequently sends image acquisition end signal dynamic stage, finishes the collection of image A, and starts immediately to gather effective image B; Association's treatment circuit sends image end signal while detecting arrival coin signal ended in the digital signal from the 2nd CIS, finishes the collection of image B.
Beneficial effect of the present invention: process because the present invention has carried out splicing to two width banknote image in association's treatment circuit, as long as a slice digital signal processor has a video input interface can process the picture signal of positive and negative two simultaneously.Meanwhile, adopt the method output image data of twice pixel bit wide, take full advantage of the bus resource of digital signal processor, improved utilization factor.
For making further to understand feature of the present invention and technology contents, refer to drawings and embodiments of the present invention, yet appended graphic only for reference and explanation use is limited to the present invention.
[accompanying drawing explanation]
Fig. 1 is the process flow diagram of an embodiment of two CIS banknote image acquiring and processing methods in the present invention;
Fig. 2 be in the present invention after association's processing circuit processes splicing the schematic diagram of a line banknote image embodiment;
Fig. 3 assists treatment circuit to gather the schematic diagram of a storage organization embodiment of banknote image in the present invention;
Fig. 4 assists treatment circuit to adopt an embodiment schematic diagram of twice pixel bit wide output banknote image in the present invention;
Fig. 5 is the structural representation of an embodiment of image capturing and processing circuit in the present invention;
Fig. 6 be in the present invention in the structural representation of an embodiment of image acquisition and data processing circuit.
[embodiment]
Below in conjunction with drawings and Examples, the present invention will be further described:
Below in conjunction with accompanying drawing, the present invention is described in further detail:
Fig. 1 is the process flow diagram of an embodiment of image acquisition and data processing method in the present invention, comprises the following steps:
Step 1: two CIS imageing sensors obtain bank note pros and cons analog picture signal S102 line by line.Programmable logic device (PLD) or special IC are controlled the coherent signals such as exposure, light source luminescent and output clock of CIS imageing sensor.While obtaining banknote image line by line, the illumination mode of light source and fluorescent lifetime can periodically change line by line, as adopted the illumination modes such as white light transmission, white light reflection, infrared transmission, infrared external reflection, ultraviolet reflectance, various reflection of monochromatic light or transmission.CIS imageing sensor can gather the different banknote image of exposing line by line.
Step 2: obtained banknote image simulating signal is carried out to analog to digital conversion and obtain data image signal S103.
Step 3: the tow sides two treatment circuit S104 of tunnel view data input association.Be that analog to digital conversion obtains a kind of or duplex digital image signal and inputs one by one association's treatment circuit.
Step 4: to data image signal reset, gray correction, data processing S105.
Data image signal is reset to processing, because some line scan image sensors are in order to improve output speed, adopt the segmentation way of output simultaneously, therefore the data after gathering need to reorder, current paper banknote identifier is generally all done such processing, be specially the address that writes or read RAM by control and realize, obtain by the banknote image information of banknote image pixel order output.If line scan image sensor only has single output terminal, or export the digital signal that does not need rearrangement, do not need to reset and process.
Data image signal is proofreaied and correct and to be referred to that the banknote image pixel to collecting carries out gray correction.Because uneven illumination is even, the luminous sensitivity of each photosensitive unit of line scan image sensor (pixel) and the reason such as dark current is inconsistent, the banknote image collecting has serious gray scale inconsistency, gray correction must be carried out, correct banknote image could be obtained.Above-mentioned gray correction refers to carries out linearity or nonlinear transformation to gathered banknote image.Analog output value to line scan image sensor specifically, the banknote image being acquired is proofreaied and correct after analog to digital conversion, makes it correctly to reflect banknote image information.Specific practice is the banknote image being acquired sampling to line scan image sensor output, quantize after, its bright output and dark output are carried out to linearity or nonlinear transformation compensation.
Data image signal is carried out to data processing and refers to, current line image pixel is processed, thus obtain bank note come coin signal, data boundary, as bank note overlay area starts and end position, bank note hole seam and transparent region position.In addition, data image signal is carried out to the statisticss such as pixel sum, pixel average that data processing also comprises statistics current line image.Above-mentioned data message will be capable as additional data embedded images in.
Step 5: two width digital pictures after resetting and proofreading and correct are spliced into a large image S106.For example, the every row valid pixel of piece image is 1440, the large image after two width Image Mosaics, and every row valid pixel is just 2880.Every row view data that preferably two CIS imageing sensors collect a line in association's treatment circuit is spliced into the large image line of a double-width on the right side at left another row.Can certainly adopt other joining method, as alternate by pixel, segmentation is alternate etc.
Step 6: the large image supplied with digital signal processor being spliced into is carried out to banknote image and detect and identification S106.Banknote image detects with recognition methods can adopt existing the whole bag of tricks, realizes bank note Currency Type, face amount, towards identifications such as, sequence numbers, and the defect detection of bank note, counterfeit money identification etc.As adopt the method for the images match such as Gray-scale Matching and characteristic matching.Wherein Gray-scale Matching comprises the similarity degree utilizing between Error Absolute Value sum judgement image; Characteristic matching comprises utilizes textural characteristics, shape facility etc., or utilizes angle point, marginal point to carry out similarity coupling.
Fig. 2 is the spliced a line banknote image of the process association's processing circuit processes schematic diagram of one embodiment of the invention.In this example, association's treatment circuit is spliced at left another width two width banknote image one width the large image of one width double-width on the right side, every row 2975 bytes of view data of its output, every pixel 1 byte (8), every row view data has 2880 pixels, leaves 0th～2879 byte locations in.Concrete, the banknote image that a CIS collects leaves 0～1439 byte location in, and wherein 48～1372 is the view data of bank note overlay area, and other is the view data without bank note overlay area; The banknote image that the 2nd CIS collects leaves 1440～2879 byte locations in, and 1488～2812 is the view data of bank note overlay area, and other are the view data without bank note overlay area.2880～2975 positions are additional data, totally 96 additional data positions.
Fig. 3 is the schematic diagram through the spliced a line banknote image of association's processing circuit processes of another embodiment of the present invention.In this example, association's treatment circuit is spliced at left another width two width banknote image one width the large image of one width double-width, every row 3072 bytes of view data of its output, every pixel 1 byte (8) on the right side.Concrete, the banknote image that a CIS collects leaves 0～1439 byte location in, and wherein 48～1248 is the view data of bank note overlay area, and other is the view data without bank note overlay area; The banknote image that the 2nd CIS collects leaves 1536～2975 byte locations in, and 1584～2784 is the view data of bank note overlay area, and other are the view data without bank note overlay area.1440～1535 positions are the additional data 1 that a CIS is corresponding, totally 96 additional data positions.2976～3071 positions are the additional data 2 that the 2nd CIS is corresponding, totally 96 additional data positions.
Fig. 4 assists treatment circuit to gather the schematic diagram of a storage organization embodiment of banknote image in the present invention.In this example, bank note first arrives a CIS, then arrives the 2nd CIS, first through a CIS, then through the 2nd CIS, each a line that every a line is collected by two CIS is spliced, left side is the banknote image that a CIS collects, and right side is the banknote image that the 2nd CIS collects.Because bank note arrives two CIS sensors, have in time sequencing, therefore there will be the situation of only having a CIS or the 2nd CIS to have effective image, now, blank parts is filled up by padding data.Particularly, association's treatment circuit starts to gather the data of effective image A while detecting arrival coin signal in the signal from a CIS, while detecting arrival coin signal ended in the digital signal from a CIS, row subsequently sends a frame synchronizing signal dynamic stage, finish the collection of present image A, and start immediately to gather image B; When association's treatment circuit detects arrival coin signal ended in the signal from the 2nd CIS, stop the collection of present image B.If while gathering image B, in the signal from a CIS, detect arrival coin signal, first stop the collection of image B, then start immediately to gather image A.
Fig. 5 assists treatment circuit to adopt an embodiment schematic diagram of twice pixel bit wide output banknote image in the present invention.In this example, every adjacent two pixels (8/pixel) are spliced into the word of one 16, and 16 buses by digital signal processor video input interface are by two width view data supplied with digital signal processors.For example pixel 6 and pixel 7 are spliced into the word output of one 16, and wherein pixel 7 occupies the most-significant byte of word, and pixel 6 occupies the least-significant byte of word.The gray scale of every pixel can not be 8 word lengths, as adopts 10 bit representations, and highway width adopts 20, to realize two pixels of each timeticks transmission.
It shown in Fig. 6, is the structural representation of an embodiment of image acquisition and data processing circuit in the present invention.Embodiment comprises: for obtaining line by line two CIS line scan image sensors 601 of banknote image, for analog-to-digital analog to digital conversion circuit 602, for association's treatment circuit 603 of data image signal rearrangement, correction, data processing and Image Mosaics, detect the digital signal processor 604 with identification for banknote image.
Wherein two CIS line scan image sensors are line scan image sensor 1 and line scan image sensor 2, gather respectively two width images of positive and negative two of bank note.Line scan image sensor can be used CIS (Contact Image Sensor, contact-type image sensor) sensor, CCD (Charge-Coupled Device, charge coupled cell) sensor or CMOS (Complementary Metal Oxide Semiconductor, complementary metal oxide semiconductor (CMOS)) sensor.Select in the present embodiment CIS sensor.By line scan image sensor, obtain line by line banknote image simulating signal.
Analog to digital conversion circuit can be realized with one or more high-speed ADCs (Analog to Digital Converter, analog-digital converter) chip, and the quantity of ADC chip is determined by the segments of line scan image sensor and the number of channels of ADC.By analog to digital conversion circuit, convert CIS line scan image sensor output Ge road analog picture signal to data image signal.In line scan image sensor during embedded analog to digital conversion circuit, the direct output digital image signal of line scan image sensor, this analog to digital conversion circuit is incorporated to line scan image sensor module; While there is no embedded analog to digital conversion circuit in line scan image sensor, line scan image sensor output analog picture signal; Analog to digital conversion circuit output digital image signal is to association's treatment circuit.
Association's treatment circuit can be programmable logic device (PLD), can select FPGA (Field Programmable Gate Arrays, field programmable gate array) or CPLD (Complex Programmable Logic Device, CPLD), as Spartan3 Series FPGA, it can be also the special IC (ASIC) of realizing said function.Association's treatment circuit receives the data image signal of analog to digital conversion circuit output, and to the data image signal rearrangement, correction, data processing and the Image Mosaics that collect.Association's treatment circuit starts to gather effective image data after detecting arrival coin signal.
Digital signal processor can adopt the DSP (Digital Signal Processing, digital signal processor) processing for video image, the Davinci series of RuTI company, the Blackfin series of ADI company.Digital signal processor also can adopt other flush bonding processors, as series processors such as x86, ARM, MIPS.Digital signal processor has at least one video input interface, for receive the rearrangement of association's treatment circuit output and proofread and correct after data image signal and additional data thereof, and it is carried out to the processing such as identification, false distinguishing of bank note.Digital signal processor also will be realized the control to ADC and CIS sensor, for example, by SPI or IIC interface, ADC and CIS sensor are controlled, at the SPI of digital signal processor or IIC interface, when insufficient, can expand by programmable logic device (PLD).The data image signal of the present embodiment is processed and is also comprised bank note Boundary Extraction, Currency Type, face amount, towards identification, and the false distinguishing based on image, knuckle, hole seam detect, defect detection, scribble detects, new and old differentiation, sequence number identification etc. is processed.For digital signal processor is normally worked, generally also need to be equipped with storage circuit, interface circuit etc., become a digital signal processor subsystem.In a paper banknote identifier, digital signal processor can show output result, motor is controlled, or result is transferred to the processor that is exclusively used in demonstration, Electric Machine Control, as arm processor.
Yet the better feasible embodiment of above-mentioned only the present invention, non-so limitation protection domain of the present invention, does various distortion or applies mechanically all within this technical scheme protection domain according to above-described embodiment.
Claims (6)
1. two CIS banknote image acquiring and processing methods, is characterized in that, two described CIS imageing sensors gather respectively the double-edged view data of bank note, comprise a) double-edged two width view data input association treatment circuits; B) association's treatment circuit is reset and gray correction line by line to this two width view data collecting; C) association's treatment circuit is by the large image output of the synthetic width of this two width image sets after rearrangement and gray correction; D) digital signal processor video input interface receives the view data that association's treatment circuit is exported, and double-edged image in this view data being carried out respectively to the processing such as identification, false distinguishing of bank note, described association's treatment circuit refers to programmable logic device (PLD) or special IC.
2. a kind of pair of CIS banknote image acquiring and processing method according to claim 1, it is characterized in that, the described method by the synthetic large image of a width of second mate's image sets refers to, every row view data a line in association's treatment circuit that two CIS imageing sensors collect is spliced into the large image line of a double-width on the right side at left another row.
3. a kind of pair of CIS banknote image acquiring and processing method according to claim 1, is characterized in that, during described association treatment circuit output image data, adopts two times of pixel bit wide output image datas to digital signal processor.
4. a kind of pair of CIS banknote image acquiring and processing method according to claim 1, is characterized in that, described association's treatment circuit is processed the each row of data of input, obtains line by line statistics and data boundary, as the additional data of image.Described every row banknote image data also comprise described additional data.
5. a kind of pair of CIS banknote image acquiring and processing method according to claim 1, it is characterized in that, when described association's treatment circuit detects arrival coin signal in the digital signal from a CIS, start to gather the data of image A, if at this moment gathering image B, first stop gathering image B, then start immediately to gather the data of image A; While detecting arrival coin signal ended in the digital signal from a CIS, finish the collection of image A, and start immediately to gather image B; While detecting arrival coin signal ended in the digital signal from the 2nd CIS, finish the collection of image B.
6. two CIS banknote image acquisition process circuit, is characterized in that, comprise two CIS imageing sensors, analog to digital conversion circuit, association's treatment circuit, digital signal processor, foregoing circuit specifically comprises: a) two CIS imageing sensors gather respectively the double-edged two width view data of bank note; B) analog to digital conversion circuit converts CIS imageing sensor output Ge road analog picture signal to data image signal, in CIS imageing sensor during embedded analog to digital conversion circuit, the direct output digital image signal of CIS imageing sensor, in CIS imageing sensor not during embedded analog to digital conversion circuit, CIS imageing sensor output analog picture signal; Analog to digital conversion circuit output digital image signal is to association's treatment circuit; C) association's treatment circuit receives the data image signal of analog to digital conversion circuit output, and the view data collecting is reset and gray correction line by line, and by the large image output of the synthetic width of this two width image sets; D) digital signal processor has at least one video input interface, for receiving the view data of association's treatment circuit output, and double-edged image is wherein carried out respectively to the processing such as identification, false distinguishing of bank note.In foregoing circuit, association's treatment circuit adopts two times of pixel bit wide output image datas to digital signal processor.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107564169A (en) * | 2017-08-07 | 2018-01-09 | 上海灵岳电子设备有限公司 | Bank note information identification module and method |
| CN107610319A (en) * | 2017-08-07 | 2018-01-19 | 上海灵岳电子设备有限公司 | Bank note information recognition device and method based on single contact-type image sensor |
| CN107730704A (en) * | 2017-11-19 | 2018-02-23 | 四川久远新方向智能科技有限公司 | Track traffic automatic machine paper money identifier |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008102765A1 (en) * | 2007-02-22 | 2008-08-28 | Kabushiki Kaisha Toshiba | Printed matter recognizing device and printed matter recognizing method |
| KR20100072546A (en) * | 2008-12-22 | 2010-07-01 | 주식회사 카스모아이티 | Scan apparatus for serial number of banknote |
| CN202217339U (en) * | 2011-10-13 | 2012-05-09 | 上海实殷实业有限公司 | Counterfeit detection and number recognition device for paper money |
| CN102568081A (en) * | 2012-01-12 | 2012-07-11 | 浙江大学 | Image acquisition and processing method and device of paper money discriminator |
| CN103310527A (en) * | 2012-03-16 | 2013-09-18 | 上海抓代网络科技有限公司 | Intelligent paper money number detection and counterfeit discrimination system based on CMOS (complementary metal oxide semiconductor) camera |
-
2014
- 2014-07-18 CN CN201410342304.6A patent/CN104200562A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008102765A1 (en) * | 2007-02-22 | 2008-08-28 | Kabushiki Kaisha Toshiba | Printed matter recognizing device and printed matter recognizing method |
| KR20100072546A (en) * | 2008-12-22 | 2010-07-01 | 주식회사 카스모아이티 | Scan apparatus for serial number of banknote |
| CN202217339U (en) * | 2011-10-13 | 2012-05-09 | 上海实殷实业有限公司 | Counterfeit detection and number recognition device for paper money |
| CN102568081A (en) * | 2012-01-12 | 2012-07-11 | 浙江大学 | Image acquisition and processing method and device of paper money discriminator |
| CN103310527A (en) * | 2012-03-16 | 2013-09-18 | 上海抓代网络科技有限公司 | Intelligent paper money number detection and counterfeit discrimination system based on CMOS (complementary metal oxide semiconductor) camera |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107564169A (en) * | 2017-08-07 | 2018-01-09 | 上海灵岳电子设备有限公司 | Bank note information identification module and method |
| CN107610319A (en) * | 2017-08-07 | 2018-01-19 | 上海灵岳电子设备有限公司 | Bank note information recognition device and method based on single contact-type image sensor |
| CN107730704A (en) * | 2017-11-19 | 2018-02-23 | 四川久远新方向智能科技有限公司 | Track traffic automatic machine paper money identifier |
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Application publication date: 20141210 |