CN205845158U - A kind of bank note or the false-identifying device of ticket - Google Patents

Abstract

The utility model discloses the false-identifying device of bank note or ticket, including: note input mouth；Cash dispensing port；The transparent transmission band arranged between note input mouth and cash dispensing port；The illuminator being respectively provided with in the both sides up and down of described transparent transmission band and photographing unit, described illuminator is in the camera lens that the image of predetermined detection area on described transparent transmission band reflexes to the photographing unit of correspondence；The sensing apparatus arranged at described predetermined detection area, for when sensing bank note or ticket and arriving described default detection region, triggering described photographing unit and take pictures the region being likely to occur number in bank note or ticket；Detector unit, the number field image gathered for detection, it is judged that whether comprise bank note or ticket number in the image of described number field；Number retention unit, for extracting described number from the image comprising bank note or ticket number；Judgement unit, for being mated with the number database preset by the number extracted, carries out false distinguishing process.

Description

A kind of bank note or the false-identifying device of ticket

Technical field

This utility model relates to information and image technique field, is specifically related to bank note, the number acquisition methods of ticket and dress Put and bank note, ticket recognition methods.

Background technology

It is printed on the serial number on bank note, bill (or being called prefix code), is to identify individual bank note, bill identity only One property mark.In addition to special anti-counterfeiting mark (such as watermark etc.), in the management of banknote (or other marketable securities, bill), The serial number (or being called prefix code) of various bank note, bill is identified becoming bank note, bill management and to a certain degree The important means of identification.Bank note, in whole life cycle, needs by various machinerys (such as counting Machine, cash inspecting machine), there is the demand that bank note banknote serial number (or being called prefix code) is identified.

In general, when reading is printed on the serial number on bank note (or bill), the device of conveying bank note needs at paper Coin collects the full image of bank note (or bill) by tow sides full width in passage, it is common that utilize line-scanning image to pass Sensor, speed progressive scan when utilizing bank note to pass through obtains the full image of bank note, and according to known or higher level The type of the bank note (or bill) obtained in device, towards prioris such as, sizes, know position and the figure place of number, at paper Coin (or bill) full image is processed by feature location, background noise removal, binaryzation etc. and then by different optics Character recognition (OCR, Optical Character Recognition) algorithm obtains the sequence number information of bank note (or bill). Such as, the patent document of Patent No. 200410001365.2 describes a kind of bank note record number reading device, this dress Put and pass through mechanical part so that the positive and negative image module that passes twice through of bank note, time for the first time by image module, identify bank note Denomination, orientation information, and as priori, it is provided that use to rear end.At bank note for the first time by image module and quilt After caching, when second time is again back through image module, can select to drive not by denomination, orientation information known to higher level Same light source, to obtaining more preferably background eradicating efficacy, improves the identification level of paper money sequence number identification.Similar side Method, is required for arranging special denomination in bank note front end, towards the hardware unit identified, improves hardware cost；Or need Reduce the speed of paper money recognition, such as, in the patent that aforementioned patent number is 200410001365.2, bank note needs positive and negative twice By picture recognition module, such paper money recognition speed at least reduces more than one times, is not the most to obtain number of paper money Excellent scheme.And, in the prior art, generally using line scan sensor, progressive scan obtains the full image of bank note, to obtain Take the relevant information such as anti-counterfeiting mark and number, cause the storage of bulk redundancy information needs and process.

On the other hand, some national regulation, in the equipment such as automatic teller machine ATM of access euro notes, obligated note Address book stored is stored in the depositor of bank note and by the record number of the deposited bank note of this depositor.In this case, it is common that need Identify other the most defaced figure place in defaced banknote serial number as much as possible, and be stained position with special token table Show, in order to farthest retain banknote information.In the patent of Patent No. 200410001365.2, disclose a kind of bank note Record number read method, the part recording number exist scrawl write dirt etc. or there occurs take frame mistake time, it is possible to With the word in the recognizable set by the most simply process, identification record number, for subsequent treatment.Depending on merely During by image recognition technology, the identification of banknote serial number can only achieve the level that some is fixing.

In the scheme of the identification record banknote serial number provided in prior art, utilize line-scanning image sensor, at paper money When ticket passes through, scanning obtains the full image of banknote；Need to utilize machinery to ensure to make banknote pass twice through line-scanning image Sensor, in order to obtain for the first time banknote denomination, towards etc. information；Or need at banknote by line-scanning image sensor Before, increase hardware module, so as to obtain banknote denomination, towards etc. priori, for banknote subsequent treatment.So increase Add the processing load of system, because most information is redundancy；For serial number identification, redundancy phase It is at least more than 3-5 times than useful information.

In prior art, use full-size scanning, the relative reduction resolution of useful information.

Line scan sensor, sensitive to banknote Negotiation speed to be measured, because banknote speed generation office when by sensor The faint change in portion, or when having shake to occur, picture quality can be made a big impact, directly contribute concordance and decline, identify Rate reduces；

Need to increase hardware module, allow banknote pass twice through same image module, obtain the denomination of banknote, court for the first time To information, second time obtains the number of banknote, this obviously increases hardware cost, certainly will reduce when multiple banknotes of continuous detecting Work efficiency.

The serial number entirety that part is stained by existing banknote serial number identification record method is not identified, or right It is not stained part to be identified, and None-identified part is marked；

Or utilize some banknote nominal value to have the feature of multiple number, by multiple image recognition section, to multiple numbers Code is identified comparison, solves the problem that certain part is stained, or repeatedly identifies raising discrimination.It there is problems of, Do not make full use of the convenience in machinery or operating process.

But at some special dimensions, utilize operation or convenience mechanically so that banknote can repeatedly identify, increase Add checking procedure, it becomes possible to banknote serial number accuracy of identification is promoted again a class, the work of this respect, almost or empty In vain.

Utility model content

In view of this, technical problem to be solved in the utility model is to provide the false distinguishing dress of a kind of bank note or ticket Put, bank note, ticket number can be rapidly be to carry out differentiating management to bank note, ticket.

A kind of bank note of this utility model embodiment offer or the false-identifying device of ticket, including:

Note input mouth；

Cash dispensing port；

The transparent transmission band arranged between note input mouth and cash dispensing port；

The illuminator being respectively provided with in the both sides up and down of described transparent transmission band and photographing unit, described illuminator is for by described On transparent transmission band in the camera lens of the photographing unit that the image of predetermined detection area reflexes to correspondence；

The sensing apparatus arranged at described predetermined detection area, arrives described pre-for sensing bank note or ticket If detection region time, trigger described photographing unit and taken pictures in the region being likely to occur number in bank note or ticket；

Detector unit, the number field image gathered for detection, it is judged that whether comprise in the image of described number field Bank note or ticket number；

Number retention unit, for extracting described number from the image comprising bank note or ticket number；

Judgement unit, for being mated with the number database preset by the number extracted, carries out false distinguishing process.

It is preferred that described sensing apparatus, it is connected with described detector unit, wherein:

Described sensing apparatus, when detecting that bank note or ticket arrive described default detection region, first triggers side Taken pictures in the region being likely to occur number in bank note or ticket by photographing unit；Described when knowing that described detector unit is judged When number field image does not comprises number, the photographing unit of the triggering opposite side district to being likely to occur number in bank note or ticket Take pictures in territory.

Preferably:

Described sensing apparatus, when detecting that bank note or ticket arrive described default detection region, triggers both sides Taken pictures in the region being likely to occur number in bank note or ticket by photographing unit simultaneously.

If it is preferred that described bank note or ticket number are positioned at the corner of the space of a whole page, then there are four number field；Wherein first Number field and the 4th number field are positioned at the one side of bank note or ticket, the second number field and the 3rd number field and are positioned at bank note Or the another side of ticket:

Described sensing apparatus arrives predetermined primary importance when bank note to be checked or ticket, gathers described bank note or ticket respectively The first number field and/or the second number field image；When bank note to be checked or ticket arrive the predetermined second position, adopt respectively Collect described bank note or the 3rd number field of ticket and/or the 4th number field image；

Described sensing apparatus gathers described number field image from described bank note or the ticket number place space of a whole page.

It is preferred that also include: verification unit, for the number that described bank note to be checked or ticket are extracted in tow sides Compare:

The number that the number that the bank note detected or ticket front are extracted by this verification unit and reverse side extract enters Row Comparison calibration, determines this number.

It is preferred that also include:

For detecting, optical sensor, judges whether described bank note to be checked or ticket arrive predetermined position；The most then trigger Described sensing apparatus,.

Preferably:

The scope of described number field determines according to bank note or ticket number size.

Preferably:

Described transmission belt uses transparent glass plate or a plastic plate.

A kind of bank note of this utility model offer or the false-identifying device of ticket, be arranged on banknote serial number by Gather Number device " the only way which must be passed " on, for gathering the area image that on bank note or ticket, number is likely to occur, so, only extract and potentially include Number is in interior region so that the amount of redundant information of process is minimum, and the resolution in region to be identified is the highest, increases useful information amount Improve accuracy of identification.Need not by increasing hardware module or making banknote pass twice through picture recognition module to be previously obtained Denomination and orientation information, the multiple image that the region being likely to occur by multiple numbers is obtained, simple process i.e. may select a width Or several width correctly comprise the region of number and process；Employing can trigger the imageing sensor of full width exposure output of taking pictures, The situation of the image quality decrease that compatibility is brought by image module velocity variations and shake due to banknote to greatest extent, it is ensured that Number Reorganization has the biggest concordance and much higher speed and discrimination；And operating process and frame for movement band can be passed through The convenience come, by identical number field is repeatedly identified, the discrimination level of overall improved system.

Accompanying drawing explanation

Fig. 1 is the number of paper money acquisition device principle schematic that this utility model embodiment provides；

Fig. 2 is the Gather Number position view in this utility model embodiment；

Fig. 3 is the false-identifying device structure chart of this utility model embodiment bank note or ticket；

Fig. 4 is bank note or the number retention method flow diagram of bill of this utility model embodiment one offer；

Fig. 5 is bank note or the number retention method flow diagram of bill of this utility model embodiment two offer；

Fig. 6 is bank note or the number retention method flow diagram of bill of this utility model embodiment three offer.

Detailed description of the invention

In view of problems of the prior art and deficiency, this utility model provides a kind of bank note or the false distinguishing side of bill Method.It practice, the real information (such as anti-counterfeiting mark, number etc.) needing to obtain is a local on bank note, obtain full width face Image both caused the storage of bulk redundancy information and processed the consuming time, make again the resolution of real effective information relatively the most not Can be the highest, treatment effeciency is the lowest and uneconomical.

This utility model provides a kind of bank note or the false distinguishing method of bill, based on the layout of number on bank note, sets in advance Meter structure, is placed on image acquisition device on " the only way which must be passed " of banknote serial number, is used for gathering number on bank note and is likely to occur The image in region, so, only extract and potentially include number in interior region so that the amount of redundant information of process is minimum, waits to know The resolution in other region is the highest, increases useful information amount and improves accuracy of identification；And, it is not necessary to by increase hardware module or Banknote is made to pass twice through picture recognition module to be previously obtained denomination and the orientation information of banknote, only by the multiple possibility of number The position occurred obtains the image in some regions, carries out respective handling, can on identical hardware the one-pass feelings of banknote Obtain the denomination of banknote, orientation information under condition, and then choose one or more and (depend on the arrangement feelings of banknote numbers Condition) image including number, carry out the process of number；Further, as an embodiment, but it is not limited to the feelings of this embodiment Condition, select can trigger take pictures the overall situation exposure output image acquisition device as image capture device, can be to greatest extent The problem of the image quality decrease that compatibility is brought by image module velocity variations and shake due to banknote, it is ensured that Number Reorganization has Well concordance and much higher speed and discrimination.

It addition, the convenience that this utility model is brought by operating process and frame for movement, by identical number Region repeatedly identifies, the discrimination level of overall improved system.

For making principle of the present utility model, characteristic and advantage clearer, below in conjunction with specific embodiments with bank note it is Example is described.

Embodiment one

In the present embodiment, first according to the layout of banknote numbers, defeated at bank note according to number of paper money position on the space of a whole page Sending predetermined position on passage to pre-set number collecting device, specifically, " the only way which must be passed " at paper money sequence number installs number Harvester, such as imageing sensor；Only extract and potentially include the number image in interior region (referred to as " number field "), described The scope of number field determines according to number of paper money size, it is ensured that number normal through in the case of can occur in this district In territory.

As a example by RMB, rmb paper currency only one of which is positioned at the number in corner, then number is logical by being arranged on conveying Four kinds of possible positions are had, i.e. number field I, II, III, IV in Fig. 1 during number collecting device on road.As it is shown in figure 1, Indicated by A1, A2, A3, A4 be that on bank note, number field passes right through imageing sensor time situation.

As illustrated in fig. 1 and 2, it is the collection figure pre-set according to number position on banknote indicated by Q1, Q2, Q3, Q4 The position of picture.Dotted line frame represents the image capture position of opposite side.

The bank note of this utility model embodiment design or the false-identifying device of ticket are as it is shown on figure 3, include: in note input mouth The transparent transmission belt 303 arranged between 301 and cash dispensing port 302；It is preferred that transparent glass plate or a plastic plate can be used As transmission belt；

The illuminator 304a arranged in the upside of described transparent transmission band and photographing unit 305a, at described transparent transmission band The illuminator 305a and photographing unit 305b of upside setting, adjusts the reflection angle of illuminator 304a and 304b, by described transparent biography On defeated band 303 in the camera lens of the photographing unit that the image of predetermined detection area 306 reflexes to correspondence；

The sensing apparatus 307 arranged at described predetermined detection area 306, when sensing described in bank note or ticket arrival During the detection region 306 preset, trigger described photographing unit 305a and/or 305b and be likely to occur number in bank note or ticket Take pictures in region；

Detector unit 308, the number field image gathered for detection, it is judged that whether wrap in the image of described number field Containing bank note or ticket number；

Number retention unit 309, for extracting described number from the described image comprising bank note or ticket number；

Judgement unit 310, for being mated with the number database preset by the number extracted, is carried out at false distinguishing Reason.

It is also preferred that the left also include a verification unit 311, between number retention unit 309 and judgement unit 310, it is used for The number that the number bank note detected or ticket front extracted and reverse side extract is compared calibration, determines this number Code.

With reference to Fig. 4, the figure shows use this utility model embodiment above-mentioned false distinguishing equipment and extract bank note or ticket number The method of code, including:

Step S401: when bank note to be checked arrives predetermined primary importance, trigger the photographing unit of side check numbers region I or number Code region II is taken pictures, and performs step S402；

Wherein, number field is the region that number is likely to occur；

Wherein, the scope of described number field determines according to bank note or ticket number size；

It is preferred that can judge whether described bank note to be checked or ticket arrive predetermined position by optical sensor；

Step S402: the number field image that detection is gathered, it is judged that whether comprise number of paper money in the image of number field, If comprising number of paper money, then perform step S403；If not comprising number of paper money, then perform step S404；

Step S403: extract described number of paper money from the image comprising number of paper money；

Step S404: trigger the photographing unit of opposite side and check numbers region I or take pictures in number field II, perform step S405；

Step S405: the number field image that detection is gathered, it is judged that whether comprise number of paper money in the image of number field, If comprising number of paper money, then perform step S403；If not comprising number of paper money, then perform step S406；

Step S406: when bank note to be checked arrives the predetermined second position, trigger the photographing unit of side check numbers region III and Taking pictures in number field IV, performs step S407；

Step S407: the number field image that detection is gathered, it is judged that whether comprise bank note number in the image of number field Code, if comprising number of paper money, then performs step S403；If not comprising number of paper money, then perform step S408；

Step S408: trigger the photographing unit of opposite side and check numbers region III and take pictures in number field IV, perform step S409；

Step S409: the number field image that detection is gathered, it is judged that whether comprise number of paper money in the image of number field, If comprising number of paper money, then perform step S403；If not comprising number of paper money, then perform step S410；

Step S410: send alarm.

Fig. 4 show individual paper currency detection i.e. number retention process.For the handling process of multiple banknotes, it is repeated cyclically The handling process of individual banknotes.

Bank note or bill are by, after imageing sensor, in the four width images that situation shown in A1, A2, A3, A4 obtains, having One number part carrying out processing required for comprising, at most carries out four times judging i.e. to obtain the number part that needs process, Need not know denomination and orientation information in advance.The ability triggering collection when bank note or bill entrance number field being detected, and When only not detecting number in the image that one side collects, just can trigger the image collecting device that another side is arranged, economize on electricity Effect is good.

Afterwards, the number extracted is mated with the number database preset, carries out false distinguishing process.

Embodiment two

In the present embodiment, essentially identical with embodiment one, difference is, when detecting that bank note or ticket arrive described pre- If detection region time, trigger both sides photographing unit the region being likely to occur number in bank note or ticket is clapped simultaneously According to.

Seeing Fig. 5, this utility model embodiment provides a kind of number retention method of bank note or bill, including step Rapid:

Step S501: when bank note to be checked arrives predetermined primary importance, triggers the photographing unit of both sides and checks numbers region I simultaneously Take pictures with number field II, perform step S502；

Wherein, number field is the region that number is likely to occur；

Wherein, the scope of described number field determines according to bank note or ticket number size；

It is preferred that can judge whether described bank note to be checked or ticket arrive predetermined position by optical sensor；

Step S502: the two width number field images that detection is gathered, it is judged that whether comprise in two width number field images Number of paper money, if comprising number of paper money, then performs step S503；If not comprising number of paper money, then perform step S504；

Step S503: extract described number of paper money from the image comprising number of paper money；

Step S504: when bank note to be checked arrives the predetermined second position, triggers the photographing unit of both sides and checks numbers region simultaneously III and number field IV take pictures, perform step S505；

Step S505: the two width number field images that detection is gathered, it is judged that whether comprise bank note in the image of number field Number, if comprising number of paper money, then performs step S503；If not comprising number of paper money, then perform step S506；

Step S506: send alarm.

Therefore, in the case, hardware configuration is constant compared to embodiment one, and software flow becomes carrying out No. twice simultaneously Code identifies, thus improves efficiency.

Embodiment three

In the present embodiment, essentially identical with embodiment two, difference is, gathers tow sides all possible number district Territory, the number that the number bank note detected or ticket front extracted and reverse side extract is compared calibration, determines This number.

The most as shown in Figure 6, including step:

Step S601: when bank note to be checked arrives predetermined primary importance, triggers the photographing unit of both sides and checks numbers region I simultaneously Take pictures with number field II, perform step S602；

Number field is the region that number is likely to occur；

Step S602: when bank note to be checked arrives the predetermined second position, triggers the photographing unit of both sides and checks numbers region simultaneously III and number field IV take pictures, perform step S603；

Step S603: the 4 width number field images that detection is gathered, extracts the bank note number comprised in the image of each number field Code, performs step S604；

Step S604: compared by the multiple numbers extracted, if identical, then performs step S605, if not phase With, then execution step S606:

Step S605: as the number finally extracted；

Step S606: send alarm.

To those skilled in the art, well imagine, the technical scheme obtaining number of paper money that this utility model provides It is applicable to the ticket with number (e.g., series number).Concrete steps are essentially identical, do not repeat them here.

The image (number field image) that the part that this utility model provides gathers bank note or ticket is complete with prior art Breadth gathers the image of bank note or ticket and compares, for processing load and resolution, as a example by RMB 100 yuan, and whole RMB is 156mm x 77mm=12012, and the number field gathered according to this utility model (consider banknote skew and Jitter conditions) it is 40mm x35mm, calculate as 40x35x4=5600, the resolution loss of more than at least a times according to area.

Employing can trigger the imageing sensor taken pictures with line-scanning image sensor to velocity variations and the compatibility of shake Sex differernce.

Traditional employing row scan mode obtains image, and this utility model uses the figure triggering overall situation exposure form of taking pictures As sensor.In order to obtain stable image, when banknote moves through imageing sensor, it is desirable within the single exposure time, Banknote velocity-stabilization；Use row scan mode require banknote by sensor whole during keep velocity-stabilization.And this Utility model uses the requirement of time of exposure in the imageing sensor triggering overall situation exposure form of taking pictures to be about 180us, and uses Row scan mode banknote is about 30-60ms by the time of whole sensor, it is clear that to paper money in traditional employing row scan mode The stability requirement of ticket motion is more a lot of than imageing sensor of the present utility model！

In sum, in the method and device obtaining bank note or ticket number that this utility model provides, by Gather Number Device is arranged on " the only way which must be passed " of banknote serial number, for gathering the area image that on bank note or ticket, number is likely to occur, So, only extraction potentially includes number in interior region so that the amount of redundant information of process is minimum, the resolution in region to be identified The highest, increase useful information amount and improve accuracy of identification.Need not by increasing hardware module or making banknote pass twice through figure As identification module is previously obtained denomination and orientation information, the multiple image that the region being likely to occur by multiple numbers is obtained, Simple process i.e. may select a width or a few width correctly comprises the region of number and processes；Employing can trigger full width of taking pictures and expose The imageing sensor of light output, the to greatest extent compatible image brought by image module velocity variations and shake due to banknote The situation of Quality Down, it is ensured that Number Reorganization has the biggest concordance and much higher speed and discrimination；And can be by operation The convenience that flow process and frame for movement are brought, by identical number field is repeatedly identified, overall improved system Discrimination level.

According to described disclosed embodiment, so that those skilled in the art are capable of or use this practicality new Type.To those skilled in the art, the various amendments of these embodiments are apparent from, and define here overall Principle can also be applied to other embodiments on the basis of without departing from scope and spirit of the present utility model.Above-described reality Execute example and be only preferred embodiment of the present utility model, not in order to limit this utility model, all in essence of the present utility model God and principle within, any modification, equivalent substitution and improvement etc. made, should be included in protection domain of the present utility model it In.

Claims (8)

1. a bank note or the false-identifying device of ticket, it is characterised in that:

Note input mouth；

Cash dispensing port；

The transparent transmission band arranged between note input mouth and cash dispensing port；

The illuminator being respectively provided with in the both sides up and down of described transparent transmission band and photographing unit, described illuminator is for by described transparent In transmission belt in the camera lens of the photographing unit that the image of predetermined detection area reflexes to correspondence；

The sensing apparatus arranged at described predetermined detection area, arrives described default for sensing bank note or ticket During detection region, trigger described photographing unit and is taken pictures in the region being likely to occur number in bank note or ticket；

Detector unit, the number field image gathered for detection, it is judged that whether comprise bank note in the image of described number field Or ticket number；

Number retention unit, for extracting described number from the image comprising bank note or ticket number；

Judgement unit, for being mated with the number database preset by the number extracted, carries out false distinguishing process.

2. device as claimed in claim 1, it is characterised in that described sensing apparatus, is connected with described detector unit, wherein:

Described sensing apparatus, when detecting that bank note or ticket arrive described default detection region, first triggers the photograph of side Taken pictures in the region being likely to occur number in bank note or ticket by machine；When knowing that described detector unit judges described number When not comprising number in area image, the region being likely to occur number in bank note or ticket is entered by the photographing unit triggering opposite side Row is taken pictures.

3. device as claimed in claim 1, it is characterised in that:

Described sensing apparatus, when detecting that bank note or ticket arrive described default detection region, triggers the photograph of both sides Taken pictures in the region being likely to occur number in bank note or ticket by machine simultaneously.

4. the device as in any of the one of claim 1-3, it is characterised in that if described bank note or ticket number are positioned at version The corner in face, then have four number field；Wherein the first number field and the 4th number field are positioned at the one of bank note or ticket Face, the second number field and the 3rd number field are positioned at the another side of bank note or ticket:

Described sensing apparatus arrives predetermined primary importance when bank note to be checked or ticket, gathers the of described bank note or ticket respectively One number field and/or the second number field image；When bank note to be checked or ticket arrive the predetermined second position, gather respectively Described bank note or the 3rd number field of ticket and/or the 4th number field image；

Described sensing apparatus gathers described number field image from described bank note or the ticket number place space of a whole page.

5. the device as in any of the one of claim 1-3, it is characterised in that also include:

Verification unit, compares for the number extracted bank note to be checked or ticket in tow sides；

The number that the number that the bank note detected or ticket front are extracted by this verification unit and reverse side extract compares To calibration, determine this number.

6. device as claimed in claim 1, it is characterised in that also include:

For detecting, optical sensor, judges whether bank note to be checked or ticket arrive predetermined position；The most then trigger described sensing Equipment.

7. device as claimed in claim 1, it is characterised in that:

The scope of described number field determines according to bank note or ticket number size.

8. device as claimed in claim 1, it is characterised in that:

Described transmission belt uses transparent glass plate or a plastic plate.