CN107845184A - Bank note scanning recognition method, apparatus, ATM and storage medium - Google Patents
Bank note scanning recognition method, apparatus, ATM and storage medium Download PDFInfo
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- CN107845184A CN107845184A CN201711129825.3A CN201711129825A CN107845184A CN 107845184 A CN107845184 A CN 107845184A CN 201711129825 A CN201711129825 A CN 201711129825A CN 107845184 A CN107845184 A CN 107845184A
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Abstract
The invention discloses a kind of bank note scanning recognition method, apparatus, ATM and storage medium.This method includes：When it is determined that bank note to be identified is transferred into image acquisition region, the identification feature of at least one identification pattern in is currently identified according to the bank note to be identified, the illumination strategy of matching is taken to gather bank note collection image of the bank note to be identified under at least one illumination type, wherein, the identification feature of the identification pattern includes position of the identification pattern in the bank note to be identified, and the preferable illumination type of the identification pattern；Image is gathered according to the bank note under at least one illumination type, the bank note to be identified is identified.The above method reduces the amount of image information of banknote image under different spectrum, and then improve the paper money recognition speed of module for recognizing paper money according to the identification feature that pattern is respectively identified in bank note.
Description
Technical field
The present embodiments relate to acquisition technology field, more particularly to a kind of bank note scanning recognition method, apparatus,
ATM and storage medium.
Background technology
CIS (Contact Image Sensor, contact-type image sensor), for ATM (Automatic Teller
Machine, ATM) module for recognizing paper money in, the analog picture signal of bank note can be got.
Bank note generally includes the anti-counterfeiting characteristic under different spectrum, e.g. ultraviolet anti-fake feature and infrared anti-false feature.Cause
This, CIS needs to carry out IMAQ to bank note under the irradiation of visible ray, infrared light and ultraviolet light respectively.At present, it is determined that adopting
Collect visible images, infrared image and the ultraviolet image of bank note, and in the case that each image resolution ratio is consistent, can be visible
The irradiation of circulation successively of light, infrared light and ultraviolet light is lower to carry out array image collection, thus, it is possible to collect bank note by CIS
Image information under multiple spectrum, i.e., visible images, infrared image and ultraviolet image with bank note with size.Paper money recognition
Module by respectively to visible images, infrared image and ultraviolet image this three know with bank note with the banknote image of size
Not with reach identification bank note purpose.But because the amount of image information of banknote image under every kind of spectrum is all bigger, this is direct
It has impact on the paper money recognition speed of module for recognizing paper money.
The content of the invention
The embodiments of the invention provide a kind of bank note scanning recognition method, apparatus, ATM and storage medium, to improve bank note
The paper money recognition speed of identification module.
In a first aspect, the embodiments of the invention provide a kind of bank note scanning recognition method, including：
When it is determined that bank note to be identified is transferred into image acquisition region, according to the bank note to be identified currently identification towards
In at least one identification pattern identification feature, take the illumination strategy of matching to gather the bank note to be identified at least one light
Image is gathered according to the bank note under type, wherein, the identification feature of the identification pattern includes identification pattern in the paper to be identified
Position in coin, and the preferable illumination type of the identification pattern；
Image is gathered according to the bank note under at least one illumination type, the bank note to be identified is identified.
Second aspect, the embodiment of the present invention additionally provide a kind of bank note scanning recognition device, including：
Banknote image acquisition module, for when it is determined that bank note to be identified is transferred into image acquisition region, according to described
Bank note to be identified currently identifies the identification feature of at least one identification pattern in, takes described in the illumination strategy collection of matching
Bank note collection image of the bank note to be identified under at least one illumination type, wherein, the identification feature of the identification pattern includes
Identify position of the pattern in the bank note to be identified, and the preferable illumination type of the identification pattern；
Banknote image identification module, for gathering image according to the bank note under at least one illumination type, to described
Bank note to be identified is identified.
The third aspect, the embodiment of the present invention additionally provide a kind of ATM, including memory, processor and are stored in memory
Computer program that is upper and can running on a processor, realize such as any implementation of the present invention during computing device described program
Bank note scanning recognition method described in example.
Fourth aspect, the embodiment of the present invention additionally provide a kind of computer-readable recording medium, are stored thereon with computer
Program, the bank note scanning recognition method as described in any embodiment of the present invention is realized when the program is executed by processor.
A kind of bank note scanning recognition method, apparatus, ATM and storage medium provided in an embodiment of the present invention, by it is determined that
When bank note to be identified is transferred into image acquisition region, at least one identification in is currently identified according to the bank note to be identified
The identification feature of pattern, the illumination strategy of matching is taken to gather bank note of the bank note to be identified under at least one illumination type
Gather image；Image, the technology that the bank note to be identified is identified are gathered according to the bank note under at least one illumination type
Means, reduce the amount of image information of banknote image under different spectrum, and then improve the paper money recognition speed of module for recognizing paper money
Degree.
Brief description of the drawings
Fig. 1 is a kind of flow chart of bank note scanning recognition method in the embodiment of the present invention one；
Fig. 2 is a kind of structural representation of bank note scanning recognition device in the embodiment of the present invention two；
Fig. 3 is for the structural representation of ATM in the embodiment of the present invention three a kind of.
Embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention, rather than limitation of the invention.It also should be noted that in order to just
Part related to the present invention rather than entire infrastructure are illustrate only in description, accompanying drawing.
It also should be noted that for the ease of description, illustrate only in accompanying drawing part related to the present invention rather than
Full content.It should be mentioned that some exemplary embodiments are described before exemplary embodiment is discussed in greater detail
Into the processing or method described as flow chart.Although operations (or step) are described as the processing of order by flow chart,
It is that many of which operation can be implemented concurrently, concomitantly or simultaneously.In addition, the order of operations can be by again
Arrange.The processing can be terminated when its operations are completed, it is also possible to the additional step being not included in accompanying drawing.
The processing can correspond to method, function, code, subroutine, subprogram etc..
Embodiment one
A kind of bank note scanning recognition method is present embodiments provided, is applicable to improve the knowledge of module for recognizing paper money in ATM
The situation of other speed, this method can be performed by bank note scanning recognition device provided in an embodiment of the present invention, and the device can be adopted
Realized with the mode of software and/or hardware, and can be typically integrated in ATM.As shown in figure 1, the method for the present embodiment is specifically wrapped
Include：
S110, when it is determined that bank note to be identified is transferred into image acquisition region, currently known according to the bank note to be identified
The identification feature of at least one identification pattern not in, takes the illumination strategy of matching to gather the bank note to be identified at least
Bank note collection image under one illumination type.
Wherein, the identification feature of the identification pattern includes position of the identification pattern in the bank note to be identified, and
The preferable illumination type of the identification pattern.
Identification to bank note is commonly referred to as the identification to identifying pattern in bank note.There are many identification patterns, example on bank note
Such as can be anti-counterfeiting characteristic pattern, these anti-counterfeiting characteristics identification pattern is distributed in the diverse location of bank note, and in setting spectrum
It is lower just to show.By taking 100 yuans of bank note as an example, it is seen that the anti-counterfeiting characteristic pattern " position of fluorescence 100 " under ultraviolet light
In bank note top, and the anti-counterfeiting characteristic pattern being found under Infrared irradiation is predominantly located in the middle part and bottom of bank note.
, then can be according to bank note to be identified currently in if it is determined that bank note to be identified is transferred into image acquisition region
The identification feature of image is identified, takes the illumination strategy of matching to carry out IMAQ to bank note to be identified.Wherein, the illumination of matching
When strategy refers to that collection includes identifying the specific region of pattern, carried out using the light of the spectrum matched with the identification pattern
Irradiation, e.g. gather anti-counterfeiting characteristic pattern and " where fluorescence 100 " during specific region, be irradiated using ultraviolet light.By
The illumination strategy matched somebody with somebody can collect the identification pattern of such as anti-counterfeiting characteristic pattern being found in bank note under setting spectrum etc,
With obtain under variant spectrum including identification pattern banknote image, such as can be obtain bank note visible images,
Infrared image and ultraviolet image, it can also only obtain the infrared image and ultraviolet image of bank note.
In a kind of optional embodiment of the present embodiment, it will currently be identified according to the bank note to be identified at least
The identification feature of one identification pattern, the illumination strategy of matching is taken to gather the bank note to be identified at least one illumination type
Under bank note collection image, be specially：
Currently identify that the distribution in is believed in the bank note to be identified according to the identification feature of at least one identification pattern
Breath, current identification to the bank note to be identified towards dividing at least two image acquisition regions, wherein, each image acquisition areas
Domain has the illumination strategy of matching；The illumination strategy that matching is respectively adopted for different image acquisition areas carries out IMAQ；
Obtained at the end of collection and gather image from the bank note that different spectrum lights matches respectively.
Identify that the identification feature of pattern is different in different types of bank note, identified in the obverse and reverse of same type bank note
The identification feature of pattern is also not quite similar, and therefore, is currently identified in bank note to be identified according to the identification feature of each identification pattern
Distributed intelligence in, the image acquisition region not necessarily phase of current identification to the bank note to be identified towards division
Together.For example, when gathering the obverse and reverse image of bank note simultaneously for upper and lower two CIS of utilization, the figure of bank note obverse and reverse
As the division of pickup area may also differ, i.e. the obverse and reverse IMAQ of bank note is respectively adopted different images and adopted
Collect region division strategy, and matching illumination strategy is used in different image acquisition regions.
The image acquisition process of bank note and the process of scanning are just on the contrary, in the image acquisition process of bank note, bank note is
At the uniform velocity transmit, and CIS is fixed.Therefore, the division for the image acquisition region of bank note is gathered according to banknote image
What the time specifically divided.It is known to gather the time of entire paper coin image, according to each image acquisition region in entire paper
Distribution in coin, you can determine between scanning at the beginning of respective image pickup area.Therefore, in the time segmentation determined therefrom that
The illumination strategy of switching matching at line, to complete the IMAQ of respective image pickup area.
Specifically, the illumination strategy matched with image acquisition region includes：
Using only the preferable spectrum light matched with the identification pattern in image acquisition region to described image pickup area
It is irradiated；Or the preferable spectrum light matched with the identification pattern in image acquisition region and luminous ray is used alternatingly
Described image pickup area is irradiated.
For example, the infrared identification pattern integrated distribution of certain bank note is in the positive top half in bank note front, ultraviolet identification
Pattern integrated distribution is in the positive the latter half in bank note front, therefore, positive to the front of the bank note when carrying out IMAQ,
Top half image acquisition region can be irradiated to complete image scanning using only infrared light, using only ultraviolet light under
Half part image acquisition region is irradiated to complete image scanning, so get the bank note an infrared image and one
Ultraviolet image, wherein, the height of infrared image and the height of ultraviolet image and be just the bank note height, accordingly, bank note
Identification module is by identifying this infrared image and ultraviolet image to realize the identification to bank note；Can also alternate cycles using visible
Light and infrared light are irradiated to top half image acquisition region to complete image scanning, and alternate cycles use visible ray and purple
Outer light is irradiated to the latter half image acquisition region to complete image scanning, and then gets a visible ray of the bank note
Image, an infrared image and a ultraviolet image, wherein, it is seen that the height of light image is just the height of the bank note, infrared
The height of image and the height of ultraviolet image are equal with the height of visible images, and accordingly, module for recognizing paper money passes through identification
This visible images, infrared image and ultraviolet image are to realize the identification to bank note.
When the identification feature that pattern is identified in bank note is more complicated, image can be divided according to the concrete condition of the bank note
Pickup area, wherein, described image pickup area is according to the currency type information, value of money information, Information of the bank note to be identified
Divided with angle of inclination.
For example, during certain currency type value of money front is reverse, infrared identification pattern is concentrated mainly on preceding 1/3 region of bank note, purple
It is outer identification pattern be concentrated mainly on 1/3 region in bank note, then, scanning paper currency it is positive reverse when：Scanning the bank note
Preceding 1/3 region when, that is, scan preceding 1/3 period of total time, using infrared light or alternate cycles using visible ray and
IMAQ is carried out to the region under the irradiation of infrared light；At 1/3 region in scanning the bank note, that is, scan in total time
1/3 period, image is carried out to the region under using ultraviolet light or alternate cycles using the irradiation of visible ray and ultraviolet light
Collection；When scanning rear 1/3 region of the bank note, that is, rear 1/3 period of total time is scanned, under the irradiation using visible ray
IMAQ is carried out to the region.And then the bank note collection figure matched respectively from different spectrum lights is obtained at the end of collection
The visible images of picture, the i.e. infrared image of 1/3 bank note height, the ultraviolet image of 1/3 bank note height and 1/3 bank note height, or
Person be the infrared image of 1/3 bank note height, 1/3 bank note height ultraviolet image and with the level visible images of bank note.
In another example according to the identification feature that pattern is identified in bank note, the back side forward direction of bank note can be divided into four figures
It is corresponding with infrared identification pattern, ultraviolet identification image, infrared identification pattern and ultraviolet identification image respectively as pickup area, that
, ibid, according to the respective illumination strategy for starting sweep time switching and matching of image acquisition region, for different images
The illumination strategy that matching is respectively adopted in acquisition zone carries out IMAQ, and then is obtained and different spectrum lights at the end of collection
The bank note collection image matched respectively.
For another example the angle of inclination of bank note also contributes to the division of banknote image pickup area.It is determined that bank note to be identified
When being transferred into image acquisition region with certain angle of inclination, according to the inclination angle value of determination and this do not tilt when
Distribution of the identification feature of image in the bank note is identified, adjusts the division of the banknote image pickup area, and then adjust each figure
As the beginning sweep time of pickup area, to determine to switch the opportunity of the illumination strategy to match.
It is above-mentioned before it is determined that bank note to be identified is transferred into image acquisition region on the basis of the various embodiments described above
Bank note scanning recognition method also includes：
In the transmit process of the bank note to be identified, the bank note information of the bank note to be identified, the paper are obtained in advance
Coin information includes currency type information, value of money information, Information, wherein, the Information is current as the bank note to be identified
Identification towards；
According to the bank note information of the bank note to be identified, determine the bank note to be identified currently identification towards middle identification pattern
Identification feature.
Wherein, Information includes front forward direction, front is reverse, reverse side is positive and reverse side is reverse.Bank note is in different faces
Downwards, it identifies that the identification feature of pattern is different.According to the bank note information of bank note to be identified, determine that the bank note currently identifies
Towards after the identification feature of middle identification pattern, you can the light for taking matching is determined how according to the identification feature of these identification patterns
Banknote image collection is carried out to bank note to be identified according to strategy.
As one preferred embodiment of the present embodiment, will currently be identified according to the bank note to be identified at least
The identification feature of one identification pattern, the illumination strategy of matching is taken to gather the bank note to be identified at least one illumination type
Under bank note collection image, be specially：
Currently identify that the distribution in is believed in the bank note to be identified according to the identification feature of at least one identification pattern
Breath, by the current identification of the bank note to be identified towards division the first image acquisition region and the second image acquisition region；Institute
State in the first image acquisition region, IMAQ is started to the bank note to be identified using under the first illumination strategy；If it is determined that
Gather to second image acquisition region, then IMAQ carried out to the bank note to be identified using under the second illumination strategy,
Until determine completely to gather the bank note to be identified, wherein, determine whether to collect by image acquisition time described in
Second image acquisition region；Obtained at the end of collection and gather image from the bank note that the light of different spectrum matches respectively；
Wherein, described first image pickup area includes the knowledge matched with the preferable spectrum light in the first illumination strategy
Other pattern, second image acquisition region include the identification figure matched with the preferable spectrum light in the second illumination strategy
Sample.
Generally, for example, RMB etc bank note, the ultraviolet identification main integrated distribution of pattern in the positive top of bank note, and
The main integrated distribution of infrared identification pattern is in bank note positive middle part and bottom.By the current identification of RMB to be identified towards draw
Divide the first image acquisition region and the second image acquisition region, the positive forward direction of RMB to be identified is e.g. divided into upper 1/
3 image acquisition regions and lower 2/3 image acquisition region, i.e. positive 1/3 image acquisition region forward of RMB includes ultraviolet
Pattern is identified, lower 2/3 image acquisition region includes infrared identification pattern.Therefore, in the front of RMB, 1/3 image is adopted forward
Collect in region, IMAQ is started to the bank note to be identified using the first illumination strategy, the first illumination strategy can be only to adopt
It is irradiated with ultraviolet light, or alternate cycles are irradiated using visible ray and ultraviolet light, preferably the latter；If it is determined that
Collection is to second image acquisition region, i.e. when the image acquisition time of the bank note to be identified have passed through 1/3, then using second
IMAQ is carried out to the bank note to be identified under illumination strategy, until determine completely to gather the bank note to be identified,
Second illumination strategy can be to be irradiated only with infrared light, or alternate cycles are carried out using visible ray and infrared light
Irradiation, preferably the latter.
Preferably, the visible images, infrared image and ultraviolet image of the RMB to be identified are obtained at the end of collection,
The wherein height of visible images is the height of the RMB, the height of infrared image and ultraviolet image and with visible images
It is highly equal.
S120, according under at least one illumination type bank note gather image, the bank note to be identified is known
Not.
Image, the e.g. infrared image of bank note and ultraviolet figure are gathered by the bank note obtained under different illumination types
Picture, in another example being the visible images, infrared image and ultraviolet image of bank note, successively to the paper under the different illumination types of acquisition
Coin collection image is identified, and bank note to be identified is identified with realizing.
The identification feature that pattern is respectively identified in is currently identified according to bank note to be identified, (can under different illumination types
See except light) bank note collection image, it is no longer identical with the height of bank note, and then reduce the actual size and figure of the image
As information content, the recognition time that module for recognizing paper money gathers image to the bank note under the illumination type is also just shortened, is improved
Recognition speed of the module for recognizing paper money to bank note.
A kind of bank note scanning recognition method that the present embodiment provides, by it is determined that bank note to be identified is transferred into image adopts
When collecting region, the identification feature of at least one identification pattern in is currently identified according to the bank note to be identified, takes matching
Illumination strategy gather the bank note collection image of the bank note to be identified under at least one illumination type；According at least one light
Image is gathered according to the bank note under type, the technological means that the bank note to be identified is identified, reduces paper under different spectrum
The amount of image information of coin image, and then improve the paper money recognition speed of module for recognizing paper money.
Embodiment two
A kind of bank note scanning recognition device is present embodiments provided, is applicable to improve the knowledge of module for recognizing paper money in ATM
The situation of other speed, the device can be realized by the way of software and/or hardware, and can typically be integrated in ATM.Such as Fig. 2 institutes
Show, described device includes：Banknote image acquisition module 210 and banknote image identification module 220, wherein：
Banknote image acquisition module 210, for when it is determined that bank note to be identified is transferred into image acquisition region, according to institute
The identification feature that bank note to be identified currently identifies at least one identification pattern in is stated, takes the illumination strategy of matching to gather institute
Bank note collection image of the bank note to be identified under at least one illumination type is stated, wherein, the identification feature bag of the identification pattern
Include position of the identification pattern in the bank note to be identified, and the preferable illumination type of the identification pattern；
Banknote image identification module 220, for gathering image according to the bank note under at least one illumination type, to institute
Bank note to be identified is stated to be identified.
The embodiments of the invention provide a kind of bank note scanning recognition device, by it is determined that bank note to be identified is transferred into figure
During as pickup area, the identification feature of at least one identification pattern in is currently identified according to the bank note to be identified, is taken
The illumination strategy of matching gathers bank note collection image of the bank note to be identified under at least one illumination type；According at least one
Bank note collection image under individual illumination type, the technological means that the bank note to be identified is identified, reduces different spectrum
The amount of image information of lower banknote image, and then improve the paper money recognition speed of module for recognizing paper money.
Specifically, the banknote image acquisition module includes：Image acquisition region division unit, banknote image collecting unit
With banknote image acquiring unit, wherein,
Image acquisition region division unit, for according to it is at least one identification pattern identification feature in the paper to be identified
Coin currently identifies the distributed intelligence in, the current identification to the bank note to be identified towards division image acquisition region, its
In, each image acquisition region has the illumination strategy of matching；
Banknote image collecting unit, the illumination strategy progress image that matching is respectively adopted for different image acquisition areas are adopted
Collection；
Banknote image acquiring unit, adopted for obtaining the bank note matched respectively from different spectrum lights at the end of collection
Collect image.
Preferably, the banknote image acquisition module specifically includes：First second area division unit, first area image
Collecting unit, second area image acquisition units and banknote image acquiring unit, wherein,
First second area division unit, for according to it is at least one identification pattern identification feature in the paper to be identified
Coin currently identifies the distributed intelligence in, by the current identification of the bank note to be identified towards dividing the first image acquisition region
With the second image acquisition region；
First area image acquisition units, in described first image pickup area, using under the first illumination strategy
IMAQ is started to the bank note to be identified；
Second area image acquisition units, for if it is determined that collection to second image acquisition region, then using the
IMAQ is carried out to the bank note to be identified under two illumination strategies, until determining completely to adopt the bank note to be identified
Collection, wherein, determine whether to collect second image acquisition region by image acquisition time；
Banknote image acquiring unit, adopted for obtaining the bank note matched respectively from the light of different spectrum at the end of collection
Collect image；
Wherein, described first image pickup area includes the knowledge matched with the preferable spectrum light in the first illumination strategy
Other pattern, second image acquisition region include the identification figure matched with the preferable spectrum light in the second illumination strategy
Sample.
Specifically, the illumination strategy matched with image acquisition region includes：
Using only the preferable spectrum light matched with the identification pattern in image acquisition region to described image pickup area
It is irradiated；Or
The preferable spectrum light matched with the identification pattern in image acquisition region and luminous ray is used alternatingly to institute
Image acquisition region is stated to be irradiated.
Specifically, currency type information, value of money information, Information of the described image pickup area according to the bank note to be identified
Divided with angle of inclination.
On the basis of the various embodiments described above, above-mentioned bank note scanning recognition device, in addition to：The bank note letter of bank note to be identified
Cease acquisition module and identify the identification feature determining module of pattern, wherein,
The bank note data obtaining module of bank note to be identified, for it is determined that bank note to be identified is transferred into image acquisition region
Before, in the transmit process of the bank note to be identified, the bank note information of the bank note to be identified, the bank note letter are obtained in advance
Breath includes currency type information, value of money information, Information, wherein, the Information currently identifies as the bank note to be identified
Towards；
The identification feature determining module of pattern is identified, for the bank note information according to the bank note to be identified, it is determined that described
Identification feature of the bank note to be identified currently identification towards middle identification pattern.
Above-mentioned bank note scanning recognition device can perform the bank note scanning recognition method that any embodiment of the present invention is provided, tool
The standby corresponding functional module of bank note scanning recognition method and beneficial effect performed.
Embodiment three
Fig. 3 is a kind of structural representation for ATM that the embodiment of the present invention three provides, as shown in figure 3, the ATM includes processing
Device 310, memory 320, input unit 330 and output device 340；The quantity of processor 310 can be one or more in ATM
It is individual, in Fig. 3 by taking a processor 310 as an example；Processor 310, memory 320, input unit 330 and output device in ATM
340 can be connected by bus or other modes, in Fig. 3 exemplified by being connected by bus.
Memory 320 is used as a kind of computer-readable recording medium, and journey is can perform available for storage software program, computer
Sequence and module, programmed instruction/module is (for example, paper as corresponding to the bank note scanning recognition method in any embodiment of the present invention
Banknote image acquisition module 210 and banknote image identification module 220 in coin scanning recognition device).Processor 310 passes through operation
Software program, instruction and the module being stored in memory 320, so as to perform at ATM various function application and data
Reason, that is, realize the above-mentioned operation for ATM.
Memory 320 can mainly include storing program area and storage data field, wherein, storing program area can store operation system
Application program needed for system, at least one function；Storage data field can store uses created data etc. according to equipment.This
Outside, memory 320 can include high-speed random access memory, can also include nonvolatile memory, for example, at least one
Disk memory, flush memory device or other non-volatile solid state memory parts.In some instances, memory 320 can enter one
Step includes that relative to the remotely located memory of processor 310, these remote memories network connection to ATM can be passed through.On
The example for stating network includes but is not limited to internet, intranet, LAN, mobile radio communication and combinations thereof.
Input unit 330 can be used for the touch information for receiving input, and generation and ATM user set and function control
It is formed with the key signals input of pass.Output device 340 may include the display devices such as display screen.
Example IV
The embodiment of the present invention four also provides a kind of storage medium for including computer executable instructions, is stored thereon with calculating
Machine program, the program realize the bank note scanning recognition method that any embodiment of the present invention provides, this method when being executed by processor
Including：
When it is determined that bank note to be identified is transferred into image acquisition region, according to the bank note to be identified currently identification towards
In at least one identification pattern identification feature, take the illumination strategy of matching to gather the bank note to be identified at least one light
Image is gathered according to the bank note under type, wherein, the identification feature of the identification pattern includes identification pattern in the paper to be identified
Position in coin, and the preferable illumination type of the identification pattern；
Image is gathered according to the bank note under at least one illumination type, the bank note to be identified is identified.
By the description above with respect to embodiment, it is apparent to those skilled in the art that, the present invention
It can be realized by software and required common hardware, naturally it is also possible to realized by hardware, but the former is more in many cases
Good embodiment.Based on such understanding, what technical scheme substantially contributed to prior art in other words
Part can be embodied in the form of software product, and the computer software product can be stored in computer-readable recording medium
In, floppy disk, read-only storage (Read-Only Memory, ROM), random access memory (Random such as computer
Access Memory, RAM), flash memory (FLASH), hard disk or CD etc., including some instructions are causing an ATM to perform sheet
Invent the method described in each embodiment.
It is worth noting that, in the embodiment of above-mentioned bank note scanning recognition device, included unit and module are only
Divided according to function logic, but be not limited to above-mentioned division, as long as corresponding function can be realized；Separately
Outside, the specific name of each functional unit is also only to facilitate mutually distinguish, the protection domain being not intended to limit the invention.
Pay attention to, above are only presently preferred embodiments of the present invention and institute's application technology principle.It will be appreciated by those skilled in the art that
The invention is not restricted to specific embodiment described here, can carry out for a person skilled in the art various obvious changes,
Readjust and substitute without departing from protection scope of the present invention.Therefore, although being carried out by above example to the present invention
It is described in further detail, but the present invention is not limited only to above example, without departing from the inventive concept, also
Other more equivalent embodiments can be included, and the scope of the present invention is determined by scope of the appended claims.
Claims (10)
- A kind of 1. bank note scanning recognition method, it is characterised in that including：When it is determined that bank note to be identified is transferred into image acquisition region, currently identified according to the bank note to be identified in extremely The identification feature of few identification pattern, the illumination strategy of matching is taken to gather the bank note to be identified at least one illumination class Bank note collection image under type, wherein, the identification feature of the identification pattern includes identification pattern in the bank note to be identified Position, and it is described identification pattern preferable illumination type；Image is gathered according to the bank note under at least one illumination type, the bank note to be identified is identified.
- 2. according to the method for claim 1, it is characterised in that currently identified according to the bank note to be identified at least The identification feature of one identification pattern, the illumination strategy of matching is taken to gather the bank note to be identified at least one illumination type Under bank note collection image, including：Distributed intelligence in is currently identified in the bank note to be identified according to the identification feature of at least one identification pattern, it is right The current identification of the bank note to be identified towards dividing at least two image acquisition regions, wherein, each image acquisition region tool There is the illumination strategy of matching；The illumination strategy that matching is respectively adopted for different image acquisition areas carries out IMAQ；Obtained at the end of collection and gather image from the bank note that different spectrum lights matches respectively.
- 3. according to the method for claim 2, it is characterised in that currently identified according to the bank note to be identified at least The identification feature of one identification pattern, the illumination strategy of matching is taken to gather the bank note to be identified at least one illumination type Under bank note collection image, specifically include：Distributed intelligence in is currently identified in the bank note to be identified according to the identification feature of at least one identification pattern, will The current identification of the bank note to be identified is towards division the first image acquisition region and the second image acquisition region；In described first image pickup area, IMAQ is started to the bank note to be identified using under the first illumination strategy；If it is determined that collection is then entered to second image acquisition region using under the second illumination strategy to the bank note to be identified Row IMAQ, until determine completely to gather the bank note to be identified, wherein, determined whether by image acquisition time Collect second image acquisition region；Obtained at the end of collection and gather image from the bank note that the light of different spectrum matches respectively；Wherein, described first image pickup area includes the identification figure matched with the preferable spectrum light in the first illumination strategy Sample, second image acquisition region include the identification pattern matched with the preferable spectrum light in the second illumination strategy.
- 4. according to the method in claim 2 or 3, it is characterised in that the illumination strategy matched with image acquisition region includes：Described image pickup area is carried out using only with the preferable spectrum light that the identification pattern in image acquisition region matches Irradiation；OrThe preferable spectrum light matched with the identification pattern in image acquisition region and luminous ray is used alternatingly to the figure As pickup area is irradiated.
- 5. according to the method in claim 2 or 3, it is characterised in thatDescribed image pickup area is according to the currency type information of the bank note to be identified, value of money information, Information and angle of inclination Division.
- 6. according to the method for claim 1, it is characterised in that it is determined that bank note to be identified is transferred into image acquisition region Before, in addition to：In the transmit process of the bank note to be identified, the bank note information of the bank note to be identified, the bank note letter are obtained in advance Breath includes currency type information, value of money information, Information, wherein, the Information currently identifies as the bank note to be identified Towards；According to the bank note information of the bank note to be identified, knowledge of the bank note to be identified currently identification towards middle identification pattern is determined Other feature.
- A kind of 7. bank note scanning recognition device, it is characterised in that including：Banknote image acquisition module, for when it is determined that bank note to be identified is transferred into image acquisition region, waiting to know according to described Other bank note currently identifies the identification feature of at least one identification pattern in, takes and waits to know described in the illumination strategy collection of matching Bank note collection image of the other bank note under at least one illumination type, wherein, the identification feature of the identification pattern includes identification Position of the pattern in the bank note to be identified, and the preferable illumination type of the identification pattern；Banknote image identification module, for gathering image according to the bank note under at least one illumination type, wait to know to described Other bank note is identified.
- 8. device according to claim 7, it is characterised in that the banknote image acquisition module includes：Image acquisition region division unit, for being worked as according to the identification feature of at least one identification pattern in the bank note to be identified Preceding distributed intelligence of the identification in, the current identification to the bank note to be identified towards division image acquisition region, wherein, often Individual image acquisition region has the illumination strategy of matching；Banknote image collecting unit, the illumination strategy that matching is respectively adopted for different image acquisition areas carry out IMAQ；Banknote image acquiring unit, for obtaining the bank note collection figure matched respectively from different spectrum lights at the end of collection Picture.
- 9. a kind of ATM, including memory, processor and storage are on a memory and the computer journey that can run on a processor Sequence, it is characterised in that the method as described in any in claim 1-6 is realized during the computing device described program.
- 10. a kind of computer-readable recording medium, is stored thereon with computer program, it is characterised in that the program is by processor The method as described in any in claim 1-6 is realized during execution.
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