CN105006062A - Bill identification method and deposit and withdrawal device - Google Patents
Bill identification method and deposit and withdrawal device Download PDFInfo
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- CN105006062A CN105006062A CN201510454862.6A CN201510454862A CN105006062A CN 105006062 A CN105006062 A CN 105006062A CN 201510454862 A CN201510454862 A CN 201510454862A CN 105006062 A CN105006062 A CN 105006062A
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- overlapping region
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- 238000000034 method Methods 0.000 title claims abstract description 24
- 230000005540 biological transmission Effects 0.000 claims abstract description 58
- 239000000284 extract Substances 0.000 claims description 16
- 238000001514 detection method Methods 0.000 claims description 6
- 238000000605 extraction Methods 0.000 claims description 6
- 230000002159 abnormal effect Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 11
- 238000000151 deposition Methods 0.000 description 3
- 241001269238 Data Species 0.000 description 2
- 238000013507 mapping Methods 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
Classifications
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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
- G07D7/06—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 using wave or particle radiation
- G07D7/12—Visible light, infrared or ultraviolet radiation
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Image Analysis (AREA)
- Inspection Of Paper Currency And Valuable Securities (AREA)
Abstract
The invention discloses a bill identification method and a device. The method comprises the steps that an infrared transmission image of a bill to be detected is acquired; according to the acquired infrared transmission image, the information of an overlapping area is determined, wherein the information of the overlapping area comprises the boundary position of the bill to be detected and the size of the overlapping area; according to the boundary position, whether the bill to be detected is a complete bill is determined; and according to the size of the overlapping area, whether the bill to be detected is a single sheet is determined. The infrared image and thickness data are used to determine whether the bill to be detected is a single sheet. Misjudgement caused by abnormal thickness data can be prevented.
Description
Technical field
The embodiment of the present invention relates to the technical field of depositing and withdrawing, and particularly relates to a kind of method and the deposit and withdrawal device that identify bank note.
Background technology
When the equipment of depositing and withdrawing carries out depositing, withdrawing money business, not only will to the denomination of bank note, true and falsely judge identification, also to count bank note number simultaneously, because banknote counting uses FPGA counting and infrared counting, serve as paper money, note distribution has been when having occurred abnormality, two situations of re-opening can be caused to occur, very fast owing to crossing paper money speed, thus then two banknotes overlaped can be counted as a banknote when counting, cause because two re-open and occur causing counting to be made mistakes.
Summary of the invention
The object of the embodiment of the present invention is to propose a kind of method and the deposit and withdrawal device that identify bank note, is intended to solve the problem how identifying two overlapping bank note.
For reaching this object, the embodiment of the present invention by the following technical solutions:
Identify a method for bank note, described method comprises:
Obtain the infrared transmission image of bank note to be detected, determine the information of overlapping region according to the infrared transmission image obtained, the information of described overlapping region comprises boundary position and the overlapping region size of described bank note to be detected;
Determine whether described bank note to be detected is complete bank note according to described boundary position;
Determine that whether described bank note to be detected is for re-opening according to the size of described overlapping region.
Preferably, the described infrared transmission image according to obtaining determines the information of overlapping region, comprising:
Edge extracting is carried out to described infrared transmission image;
Described edge extracting is carried out to described infrared transmission image, comprising:
Use the border of infrared transmission image and the border of overlapping region described in Hough transform straight-line detection, and remove the magnetic stripe boundary interference of described infrared transmission image.
Preferably, describedly determine whether described bank note to be detected is complete bank note, comprising according to described boundary position:
If the border of described infrared transmission image and the border of described overlapping region superimposed after size, be the boundary sizes of two pieces of paper coin, then determine described band detect bank note be complete bank note.
Preferably, the described size according to described overlapping region determines that whether described bank note to be detected is for re-opening, and comprising:
Obtain area information and the thickness information of overlapping region, the size of described overlapping region comprises area information and the thickness information of overlapping region, and described area information comprises area position and size, and described thickness information comprises thickness position and thickness size;
If the area position of described overlapping region is identical with the thickness position of described overlapping region, and the size of described overlapping region is identical with the thickness size of described overlapping region, then determine that described bank note to be detected is for re-opening.
Preferably, described method also comprises:
When carrying out edge extracting to described infrared transmission image, if occur when image rotation extracts, border does not meet linear feature or border situation of crossing the border occurs, then determine that described image rotation extracts unsuccessfully;
The thickness parameter information sending described bank note to be detected is counterfeit money.
A kind of deposit and withdrawal device, described device comprises:
Acquisition module, for obtaining the infrared transmission image of bank note to be detected, determine the information of overlapping region according to the infrared transmission image obtained, the information of described overlapping region comprises boundary position and the overlapping region size of described bank note to be detected;
First determination module, for determining according to described boundary position whether described bank note to be detected is complete bank note;
Second determination module, for determining that according to the size of described overlapping region whether described bank note to be detected is for re-opening.
Preferably, described acquisition module comprises:
Extraction unit, for carrying out edge extracting to described infrared transmission image;
Described extraction unit, for: use the border of infrared transmission image and the border of overlapping region described in Hough transform straight-line detection, and remove the magnetic stripe boundary interference of described infrared transmission image.
Preferably, described first determination module, for:
If the border of described infrared transmission image and the border of described overlapping region superimposed after size, be the boundary sizes of two pieces of paper coin, then determine described band detect bank note be complete bank note.
Preferably, described second determination module comprises:
First acquiring unit, for obtaining area information and the thickness information of overlapping region, the size of described overlapping region comprises area information and the thickness information of overlapping region, and described area information comprises area position and size, and described thickness information comprises thickness position and thickness size;
First determining unit, if identical with the thickness position of described overlapping region for the area position of described overlapping region, and the size of described overlapping region is identical with the thickness size of described overlapping region, then determine that described bank note to be detected is for re-opening.
Preferably, described device also comprises:
3rd determining device, during for carrying out edge extracting to described infrared transmission image, if occur when image rotation extracts, border does not meet linear feature or border situation of crossing the border occurs, then determine that described image rotation extracts unsuccessfully;
Dispensing device is counterfeit money for sending the thickness parameter information of described bank note to be detected.
The embodiment of the present invention is by obtaining the infrared transmission image of bank note to be detected, and determine the information of overlapping region according to the infrared transmission image obtained, the information of described overlapping region comprises boundary position and the overlapping region size of described bank note to be detected; Determine whether described bank note to be detected is complete bank note according to described boundary position; Determine that whether described bank note to be detected is for re-opening according to the size of described overlapping region, thus use infrared image and thickness data to judge situation of re-opening, can get rid of when thickness data occurs abnormal and cause erroneous judgement.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of method first embodiment of embodiment of the present invention identification bank note;
Fig. 2 is the schematic diagram of a kind of overlapping bank note edge extracting that the embodiment of the present invention provides;
Fig. 3 is the schematic flow sheet of method second embodiment of embodiment of the present invention identification bank note;
Fig. 4 is the high-level schematic functional block diagram of embodiment of the present invention deposit and withdrawal device;
Fig. 5 is the high-level schematic functional block diagram of embodiment of the present invention acquisition module 401;
Fig. 6 is the high-level schematic functional block diagram of the embodiment of the present invention second determination module 403;
Fig. 7 is the high-level schematic functional block diagram of embodiment of the present invention deposit and withdrawal device.
Embodiment
Below in conjunction with drawings and Examples, the embodiment of the present invention is described in further detail.Be understandable that, specific embodiment described herein is only for explaining the embodiment of the present invention, but not the restriction to the embodiment of the present invention.It also should be noted that, for convenience of description, illustrate only the part relevant to the embodiment of the present invention in accompanying drawing but not entire infrastructure.
Embodiment one
It is the schematic flow sheet of method first embodiment of embodiment of the present invention identification bank note with reference to figure 1, Fig. 1.
In embodiment one, described method comprises:
Step 101, obtains the infrared transmission image of bank note to be detected, and determine the information of overlapping region according to the infrared transmission image obtained, the information of described overlapping region comprises boundary position and the overlapping region size of described bank note to be detected;
Preferably, the described infrared transmission image according to obtaining determines the information of overlapping region, comprising:
Edge extracting is carried out to described infrared transmission image;
Described edge extracting is carried out to described infrared transmission image, comprising:
Use the border of infrared transmission image and the border of overlapping region described in Hough transform straight-line detection, and remove the magnetic stripe boundary interference of described infrared transmission image.
Concrete, be the schematic diagram of a kind of overlapping bank note edge extracting that the embodiment of the present invention provides with reference to figure 2, Fig. 2.
According to described boundary position, step 102, determines whether described bank note to be detected is complete bank note;
Preferably, describedly determine whether described bank note to be detected is complete bank note, comprising according to described boundary position:
If the border of described infrared transmission image and the border of described overlapping region superimposed after size, be the boundary sizes of two pieces of paper coin, then determine described band detect bank note be complete bank note.
According to the size of described overlapping region, step 103, determines that whether described bank note to be detected is for re-opening.
Preferably, the described size according to described overlapping region determines that whether described bank note to be detected is for re-opening, and comprising:
Obtain area information and the thickness information of overlapping region, described area information comprises area position and size, and described thickness information comprises thickness position and thickness size;
If the area position of described overlapping region is identical with the thickness position of described overlapping region, and the size of described overlapping region is identical with the thickness size of described overlapping region, then determine that described bank note to be detected is for re-opening.
Concrete, the mode of scanning can with reference to following parameter:
UV schemes:
High: 100DPI, wide 100DPI, turns left from the right side in direction of scanning.
Calculate 05 edition physical length unit mm:
High: about 77mm, wide: about 155mm, magnetic stripe is positioned at 60mm place, front, and magnetic stripe width is about 2mm (there is individual domain of walker meeting left and right for early experience, magnetic stripe present position).
Add up 05 edition UV pixel number:
High: about 297 pixels, wide: about 614 pixels.
UV image pixel number:
High: 462, wide: 864;
Physical location:
The distance 20mm of the right boundary of the CIS left and right sides distance thickness transducer of UV.
Thickness data: 138 row, 10 passages, direction of scanning from left to right.
: the width 17mm of single passage.
: 05 edition banknote accounts for greatly the width 17mm*9=153mm of 9 thickness passages.
: 05 edition highly accounts for 90 thickness sampled points.
Mapping relations:
Short transverse, the pixel value of 90 corresponding about 297 UV of one-tenth-value thickness 1/10, be the corresponding thickness datas of 3.3 pixels substantially, scaling is 3.3:1.
Width, the pixel value of 9 corresponding about 614 UV of passage, be the width of the corresponding passage of 68 pixels substantially, scaling is 68:1.
Direction of scanning:
Thickness is contrary with the direction of scanning of UV, and from right to left, thickness from left to right for UV.
The embodiment of the present invention is by obtaining the infrared transmission image of bank note to be detected, and determine the information of overlapping region according to the infrared transmission image obtained, the information of described overlapping region comprises boundary position and the overlapping region size of described bank note to be detected; Determine whether described bank note to be detected is complete bank note according to described boundary position; Determine that whether described bank note to be detected is for re-opening according to the size of described overlapping region, thus use infrared image and thickness data to judge situation of re-opening, can get rid of when thickness data occurs abnormal and cause erroneous judgement.
Embodiment two
It is the schematic flow sheet of method second embodiment of embodiment of the present invention identification bank note with reference to figure 3, Fig. 3.
On the basis of embodiment one, the method for described identification bank note also comprises:
Step 104, when carrying out edge extracting to described infrared transmission image, if occur when image rotation extracts, border does not meet linear feature or border situation of crossing the border occurs, then determine that described image rotation extracts unsuccessfully;
Step 105, the thickness parameter information sending described bank note to be detected is counterfeit money.
Concrete, note distribution often of re-opening when crossing paper money occurs that mistake causes, and the banknote re-opened can not be overlaping of rule.When image rotation extracts because border does not meet linear feature or border situation of crossing the border occurs, image rotation extracts unsuccessfully, and when transmission thickness parameter information is counterfeit money, thickness no longer does and identifies judgement, directly by counterfeit money process.This situation cannot react actual mistake cash amount really, causes counting to occur.
Embodiment three
With reference to the high-level schematic functional block diagram that figure 4, Fig. 4 is embodiment of the present invention deposit and withdrawal device.
In embodiment three, described deposit and withdrawal device comprises:
Acquisition module 401, for obtaining the infrared transmission image of bank note to be detected, determine the information of overlapping region according to the infrared transmission image obtained, the information of described overlapping region comprises boundary position and the overlapping region size of described bank note to be detected;
Preferably, with reference to figure 5, Fig. 5 be the high-level schematic functional block diagram of embodiment of the present invention acquisition module 401.
Described acquisition module 401 comprises:
Extraction unit 501, for carrying out edge extracting to described infrared transmission image;
Described extraction unit 501 for: use the border of infrared transmission image and the border of overlapping region described in Hough transform straight-line detection, and remove the magnetic stripe boundary interference of described infrared transmission image.
Concrete, be the schematic diagram of a kind of overlapping bank note edge extracting that the embodiment of the present invention provides with reference to figure 2, Fig. 2.
First determination module 402, for determining according to described boundary position whether described bank note to be detected is complete bank note;
Preferably, described first determination module 402, for:
If the border of described infrared transmission image and the border of described overlapping region superimposed after size, be the boundary sizes of two pieces of paper coin, then determine described band detect bank note be complete bank note.
Second determination module 403, for determining that according to the size of described overlapping region whether described bank note to be detected is for re-opening.
Preferably, with reference to figure 6, Fig. 6 be the high-level schematic functional block diagram of the embodiment of the present invention second determination module 403.Described second determination module 403 comprises:
First acquiring unit 601, for obtaining area information and the thickness information of overlapping region, described area information comprises area position and size, and described thickness information comprises thickness position and thickness size;
First determining unit 602, if identical with the thickness position of described overlapping region for the area position of described overlapping region, and the size of described overlapping region is identical with the thickness size of described overlapping region, then determine that described bank note to be detected is for re-opening.
Concrete, the mode of scanning can with reference to following parameter:
UV schemes:
High: 100DPI, wide 100DPI, turns left from the right side in direction of scanning.
Calculate 05 edition physical length unit mm:
High: about 77mm, wide: about 155mm, magnetic stripe is positioned at 60mm place, front, and magnetic stripe width is about 2mm (there is individual domain of walker meeting left and right for early experience, magnetic stripe present position).
Add up 05 edition UV pixel number:
High: about 297 pixels, wide: about 614 pixels.
UV image pixel number:
High: 462, wide: 864;
Physical location:
The distance 20mm of the right boundary of the CIS left and right sides distance thickness transducer of UV.
Thickness data: 138 row, 10 passages, direction of scanning from left to right.
: the width 17mm of single passage.
: 05 edition banknote accounts for greatly the width 17mm*9=153mm of 9 thickness passages.
: 05 edition highly accounts for 90 thickness sampled points.
Mapping relations:
Short transverse, the pixel value of 90 corresponding about 297 UV of one-tenth-value thickness 1/10, be the corresponding thickness datas of 3.3 pixels substantially, scaling is 3.3:1.
Width, the pixel value of 9 corresponding about 614 UV of passage, be the width of the corresponding passage of 68 pixels substantially, scaling is 68:1.
Direction of scanning:
Thickness is contrary with the direction of scanning of UV, and from right to left, thickness from left to right for UV.
The embodiment of the present invention is by obtaining the infrared transmission image of bank note to be detected, and determine the information of overlapping region according to the infrared transmission image obtained, the information of described overlapping region comprises boundary position and the overlapping region size of described bank note to be detected; Determine whether described bank note to be detected is complete bank note according to described boundary position; Determine that whether described bank note to be detected is for re-opening according to the size of described overlapping region, thus use infrared image and thickness data to judge situation of re-opening, can get rid of when thickness data occurs abnormal and cause erroneous judgement.
Embodiment four
With reference to the high-level schematic functional block diagram that figure 7, Fig. 7 is embodiment of the present invention deposit and withdrawal device.
On the basis of embodiment three, described device also comprises:
3rd determining device 404, during for carrying out edge extracting to described infrared transmission image, if occur when image rotation extracts, border does not meet linear feature or border situation of crossing the border occurs, then determine that described image rotation extracts unsuccessfully;
Dispensing device 405 is counterfeit money for sending the thickness parameter information of described bank note to be detected.
Concrete, note distribution often of re-opening when crossing paper money occurs that mistake causes, and the banknote re-opened can not be overlaping of rule.When image rotation extracts because border does not meet linear feature or border situation of crossing the border occurs, image rotation extracts unsuccessfully, and when transmission thickness parameter information is counterfeit money, thickness no longer does and identifies judgement, directly by counterfeit money process.This situation cannot react actual mistake cash amount really, causes counting to occur.
Below the know-why of the embodiment of the present invention is described in conjunction with specific embodiments.These describe the principle just in order to explain the embodiment of the present invention, and can not be interpreted as the restriction to embodiment of the present invention protection domain by any way.Based on explanation herein, those skilled in the art does not need to pay other embodiment that performing creative labour can associate the embodiment of the present invention, these modes all by fall into the embodiment of the present invention protection domain within.
Claims (10)
1. identify a method for bank note, it is characterized in that, described method comprises:
Obtain the infrared transmission image of bank note to be detected, determine the information of overlapping region according to the infrared transmission image obtained, the information of described overlapping region comprises boundary position and the overlapping region size of described bank note to be detected;
Determine whether described bank note to be detected is complete bank note according to described boundary position;
Determine that whether described bank note to be detected is for re-opening according to the size of described overlapping region.
2. method according to claim 1, is characterized in that, the described infrared transmission image according to obtaining determines the information of overlapping region, comprising:
Edge extracting is carried out to described infrared transmission image;
Described edge extracting is carried out to described infrared transmission image, comprising:
Use the border of infrared transmission image and the border of overlapping region described in Hough transform straight-line detection, and remove the magnetic stripe boundary interference of described infrared transmission image.
3. method according to claim 1, is characterized in that, describedly determines whether described bank note to be detected is complete bank note, comprising according to described boundary position:
If the border of described infrared transmission image and the border of described overlapping region superimposed after size, be the boundary sizes of two pieces of paper coin, then determine described band detect bank note be complete bank note.
4. method according to claim 1, is characterized in that, the described size according to described overlapping region determines that whether described bank note to be detected is for re-opening, and comprising:
Obtain area information and the thickness information of overlapping region, the size of described overlapping region comprises area information and the thickness information of overlapping region, and described area information comprises area position and size, and described thickness information comprises thickness position and thickness size;
If the area position of described overlapping region is identical with the thickness position of described overlapping region, and the size of described overlapping region is identical with the thickness size of described overlapping region, then determine that described bank note to be detected is for re-opening.
5. the method according to Claims 1-4 any one, is characterized in that, described method also comprises:
When carrying out edge extracting to described infrared transmission image, if occur when image rotation extracts, border does not meet linear feature or border situation of crossing the border occurs, then determine that described image rotation extracts unsuccessfully;
The thickness parameter information sending described bank note to be detected is counterfeit money.
6. a deposit and withdrawal device, is characterized in that, described device comprises:
Acquisition module, for obtaining the infrared transmission image of bank note to be detected, determine the information of overlapping region according to the infrared transmission image obtained, the information of described overlapping region comprises boundary position and the overlapping region size of described bank note to be detected;
First determination module, for determining according to described boundary position whether described bank note to be detected is complete bank note;
Second determination module, for determining that according to the size of described overlapping region whether described bank note to be detected is for re-opening.
7. device according to claim 6, is characterized in that, described acquisition module comprises:
Extraction unit, for carrying out edge extracting to described infrared transmission image;
Described extraction unit, for: use the border of infrared transmission image and the border of overlapping region described in Hough transform straight-line detection, and remove the magnetic stripe boundary interference of described infrared transmission image.
8. device according to claim 6, is characterized in that, described first determination module, for:
If the border of described infrared transmission image and the border of described overlapping region superimposed after size, be the boundary sizes of two pieces of paper coin, then determine described band detect bank note be complete bank note.
9. device according to claim 6, is characterized in that, described second determination module comprises:
First acquiring unit, for obtaining area information and the thickness information of overlapping region, the size of described overlapping region comprises area information and the thickness information of overlapping region, and described area information comprises area position and size, and described thickness information comprises thickness position and thickness size;
First determining unit, if identical with the thickness position of described overlapping region for the area position of described overlapping region, and the size of described overlapping region is identical with the thickness size of described overlapping region, then determine that described bank note to be detected is for re-opening.
10. the device according to claim 6 to 9 any one, is characterized in that, described device also comprises:
3rd determining device, during for carrying out edge extracting to described infrared transmission image, if occur when image rotation extracts, border does not meet linear feature or border situation of crossing the border occurs, then determine that described image rotation extracts unsuccessfully;
Dispensing device is counterfeit money for sending the thickness parameter information of described bank note to be detected.
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| CN201510454862.6A CN105006062B (en) | 2015-07-29 | 2015-07-29 | A kind of method and deposit and withdrawal device for identifying bank note |
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| CN201510454862.6A CN105006062B (en) | 2015-07-29 | 2015-07-29 | A kind of method and deposit and withdrawal device for identifying bank note |
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| CN108352091A (en) * | 2015-11-10 | 2018-07-31 | 富士通先端科技株式会社 | Paper processing apparatus and paper determine method |
| CN106469482A (en) * | 2016-09-05 | 2017-03-01 | 深圳怡化电脑股份有限公司 | Bank note crosses the border detection method, device and Banknote deposting/drawing out equipment |
| CN106652166A (en) * | 2016-11-01 | 2017-05-10 | 深圳怡化电脑股份有限公司 | Detection method and system for overlapped banknotes |
| CN106652166B (en) * | 2016-11-01 | 2019-06-07 | 深圳怡化电脑股份有限公司 | A kind of detection method and system of stuck banknotes |
| CN106780958A (en) * | 2016-12-08 | 2017-05-31 | 深圳怡化电脑股份有限公司 | The method and apparatus that detection bank note crosses the border in the detection range of thickness transducer |
| CN106780958B (en) * | 2016-12-08 | 2020-09-15 | 深圳怡化电脑股份有限公司 | Method and device for detecting the crossing of a banknote in the detection range of a thickness sensor |
| CN106875544A (en) * | 2017-02-13 | 2017-06-20 | 深圳怡化电脑股份有限公司 | A kind of paper money discrimination method and device |
| CN106875544B (en) * | 2017-02-13 | 2019-10-11 | 深圳怡化电脑股份有限公司 | A kind of paper money discrimination method and device |
| CN108470395B (en) * | 2017-02-21 | 2020-12-22 | Ncr公司 | Pop-up windowed and non-windowed media |
| CN108470395A (en) * | 2017-02-21 | 2018-08-31 | Ncr公司 | Pop up adding window and non-adding window medium |
| CN108877028B (en) * | 2017-05-15 | 2020-08-18 | 深圳怡化电脑股份有限公司 | Method, device and equipment for detecting paper money |
| CN108877028A (en) * | 2017-05-15 | 2018-11-23 | 深圳怡化电脑股份有限公司 | A kind of detection method of bank note, device and equipment |
| CN107680243A (en) * | 2017-09-04 | 2018-02-09 | 东方通信股份有限公司 | Note thickness measurement device and measuring method based on infrared sensor transmission |
| CN107680243B (en) * | 2017-09-04 | 2019-11-05 | 东方通信股份有限公司 | Note thickness measurement device and measurement method based on infrared sensor transmission |
| CN107742357A (en) * | 2017-10-10 | 2018-02-27 | 深圳怡化电脑股份有限公司 | A kind of recognition methods of paper money number and device |
| CN109658587A (en) * | 2018-11-29 | 2019-04-19 | 徐欣欣 | Bus puts tied note system automatically |
| CN115797759A (en) * | 2023-02-06 | 2023-03-14 | 天津恒达文博科技股份有限公司 | Multi-target paper image rapid identification method |
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