CN107845184B - 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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- CN107845184B CN107845184B CN201711129825.3A CN201711129825A CN107845184B CN 107845184 B CN107845184 B CN 107845184B CN 201711129825 A CN201711129825 A CN 201711129825A CN 107845184 B CN107845184 B CN 107845184B
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Abstract
The invention discloses a kind of bank note scanning recognition method, apparatus, ATM and storage mediums.This method comprises: when determining that bank note to be identified is transferred into image acquisition region, the identification feature of at least one identification pattern towards in is currently identified according to the bank note to be identified, matched illumination strategy is taken to acquire bank note acquisition image of the bank note to be identified under at least one illumination type, wherein, the identification feature of the identification pattern includes the ideal illumination type of the position identified pattern in the bank note to be identified and the identification pattern；Image is acquired according to the bank note under at least one described 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 according to the identification feature for respectively identifying pattern in bank note, and then improves the paper money recognition speed of module for recognizing paper money.
Description
Technical field
The present embodiments relate to image acquisition technology more particularly to a kind of bank note scanning recognition method, apparatus,
ATM and storage medium.
Background technique
CIS (Contact Image Sensor, contact-type image sensor) is used 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 Image Acquisition to bank note under the irradiation of visible light, infrared light and ultraviolet light respectively.Currently, being adopted in determination
Collect visible images, infrared image and the ultraviolet image of bank note, and under each image resolution ratio unanimous circumstances, it can be visible
Light, infrared light and circuiting sequentially for ultraviolet light carry out array image acquisition under irradiation, thus, it is possible to collect bank note by CIS
Image information under multiple spectrum, i.e., with bank note with the visible images, infrared image and ultraviolet image of size.Paper money recognition
Module is by respectively knowing visible images, infrared image and ultraviolet image this three and bank note with the banknote image of size
Not to achieve the purpose that identify bank note.But since the amount of image information of banknote image under every kind of spectrum is all bigger, this is directly
Affect the paper money recognition speed of module for recognizing paper money.
Summary of the invention
The embodiment of the invention provides a kind of bank note scanning recognition method, apparatus, ATM and storage mediums, to improve bank note
The paper money recognition speed of identification module.
In a first aspect, the embodiment of the invention provides a kind of bank note scanning recognition methods, comprising:
When determining that bank note to be identified is transferred into image acquisition region, according to the bank note to be identified currently identify towards
In at least one identification pattern identification feature, take matched illumination strategy to acquire the bank note to be identified at least one light
Image is acquired according to the bank note under type, wherein the identification feature of the identification pattern includes identification pattern in the paper to be identified
The ideal illumination type of position and the identification pattern in coin；
Image is acquired according to the bank note under at least one described illumination type, the bank note to be identified is identified.
Second aspect, the embodiment of the invention also provides a kind of bank note scanning recognition devices, comprising:
Banknote image acquisition module, for when determining 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 towards in, takes described in matched illumination strategy acquisition
Bank note of the bank note to be identified under at least one illumination type acquires image, wherein the identification feature of the identification pattern includes
Identify the ideal illumination type of position and the identification pattern of the pattern in the bank note to be identified；
Banknote image identification module, for acquiring image according to the bank note under at least one described illumination type, to described
Bank note to be identified is identified.
The third aspect the embodiment of the invention also provides a kind of ATM, including memory, processor and is stored in memory
Computer program that is upper and can running on a processor, the processor is realized when executing described program to be implemented as the present invention is any
Bank note scanning recognition method described in example.
Fourth aspect, the embodiment of the invention also provides a kind of computer readable storage mediums, are stored thereon with computer
Program realizes the bank note scanning recognition method as described in any embodiment of that present invention 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 determination
When bank note to be identified is transferred into image acquisition region, currently identify that at least one is identified towards according to the bank note to be identified
The identification feature of pattern takes matched illumination strategy to acquire bank note of the bank note to be identified under at least one illumination type
Acquire image；Image, the technology identified to the bank note to be identified are acquired 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.
Detailed description of the invention
Fig. 1 is the flow chart of one of embodiment of the present invention one bank note scanning recognition method；
Fig. 2 is the structural schematic diagram of one of embodiment of the present invention two bank note scanning recognition device；
Fig. 3 is for the structural schematic diagram of one of the embodiment of the present invention three ATM.
Specific 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 limiting the invention.It also should be noted that in order to just
Only the parts related to the present invention are shown in description, attached drawing rather than entire infrastructure.
It also should be noted that only the parts related to the present invention are shown for ease of description, in attached drawing rather than
Full content.It should be mentioned that some exemplary embodiments are described before exemplary embodiment is discussed in greater detail
At the processing or method described as flow chart.Although operations (or step) are described as the processing of sequence by flow chart,
It is that many of these operations can be implemented concurrently, concomitantly or simultaneously.In addition, the sequence of operations can be by again
It arranges.The processing can be terminated when its operations are completed, it is also possible to have the additional step being not included in attached drawing.
The processing can correspond to method, function, regulation, 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 case where other speed, this method can be executed by bank note scanning recognition device provided in an embodiment of the present invention, which can adopt
It is realized with the mode of software and/or hardware, and can be generally integrated in ATM.As shown in Figure 1, the method for the present embodiment is specifically wrapped
It includes:
S110, when determining 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 towards in, takes matched illumination strategy to acquire the bank note to be identified at least
Bank note under one illumination type acquires image.
Wherein, the identification feature of the identification pattern includes the position for identifying pattern in the bank note to be identified, and
The ideal illumination type of the identification pattern.
Identification to pattern is identified in bank note is commonly referred to as to the identification of bank note.There are many identification patterns, example on bank note
It such as can be anti-counterfeiting characteristic pattern, these anti-counterfeiting characteristics identification pattern is distributed in the different 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 anti-counterfeiting characteristic pattern " fluorescence 100 " position 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 lower part of bank note.
It, then can be according to bank note to be identified currently towards in if it is determined that bank note to be identified is transferred into image acquisition region
The identification feature for identifying image takes matched illumination strategy to carry out Image Acquisition to bank note to be identified.Wherein, matched illumination
When strategy refers to that acquisition includes the specific region of identification pattern, carried out using the light with the identification matched spectrum of pattern
Irradiation is e.g. irradiated when specific region using ultraviolet light where acquisition anti-counterfeiting characteristic pattern " fluorescence 100 ".By
The illumination strategy matched can collect the identification pattern of such as anti-counterfeiting characteristic pattern being found under setting spectrum in bank note etc,
With obtain under variant spectrum include identify pattern banknote image, such as can be obtain bank note visible images,
Infrared image and ultraviolet image can also only obtain the infrared image and ultraviolet image of bank note.
In a kind of optional embodiment of the present embodiment, will currently it be identified towards at least according to the bank note to be identified
The identification feature of one identification pattern takes matched illumination strategy to acquire the bank note to be identified at least one illumination type
Under bank note acquire image, specifically:
Currently identify that the distribution towards in is believed in the bank note to be identified according to the identification feature of at least one identification pattern
Breath identifies towards dividing at least two image acquisition regions the current of the bank note to be identified, wherein each image acquisition areas
Domain has matched illumination strategy；Matched illumination strategy is respectively adopted for different image acquisition areas and carries out Image Acquisition；
It is obtained at the end of acquisition and distinguishes matched bank note acquisition image from different spectrum lights.
It identifies that the identification feature of pattern is different in different types of bank note, is 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 according to the identification feature of each identification pattern in bank note to be identified
Distributed intelligence towards in, to current image acquisition region of the identification towards division of the bank note to be identified not necessarily phase
Together.For example, when for acquiring the obverse and reverse image of bank note simultaneously using upper and lower two CIS, the figure of bank note obverse and reverse
As the division of pickup area may not also be identical, that is, the obverse and reverse Image Acquisition of bank note is respectively adopted different images and adopts
Collect region division strategy, and uses matching illumination strategy 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.It therefore, for the division of the image acquisition region of bank note is acquired according to banknote image
What the time specifically divided.Acquisition entire paper coin image time be it is known, according to each image acquisition region in entire paper
Distribution in coin, that is, at the beginning of can determine that scanning respective image pickup area.Therefore, in the time segmentation determined therefrom that
Switch matched illumination strategy at line, to complete the Image Acquisition of respective image pickup area.
Specifically, including: with the matched illumination strategy of image acquisition region
Using only with the matched ideal spectrum light of identification pattern in image acquisition region to described image pickup area
It is irradiated；Or it is used alternatingly and the matched ideal spectrum light of identification pattern and luminous ray in image acquisition region
Described image pickup area is irradiated.
For example, the top half that the infrared identification pattern integrated distribution of certain bank note is positive in bank note front, ultraviolet identification
The pattern integrated distribution lower half portion positive in bank note front, therefore, when to the positive progress Image Acquisition in the front of the bank note,
Top half image acquisition region can be irradiated to complete image scanning using only infrared light, ultraviolet light is used only 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 just be the bank note height, correspondingly, bank note
Identification module is by identifying this infrared image and ultraviolet image to realize the identification to bank note；It can also be used with alternate cycles visible
Light and infrared light are irradiated top half image acquisition region to complete image scanning, and alternate cycles use visible light and purple
Outer light is irradiated lower half portion image acquisition region to complete image scanning, and then gets a visible light of the bank note
Image, an infrared image and a ultraviolet image, wherein the height of visible images is just the height of the bank note, infrared
The height and the height of ultraviolet image and the height of visible images of image are equal, correspondingly, 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 for identifying pattern in bank note is more complicated, image can be divided according to the concrete condition of the bank note
Pickup area, wherein currency type information, value of money information, Information of the described image pickup area according to the bank note to be identified
It is divided with tilt angle.
For example, infrared identification pattern is concentrated mainly on preceding 1/3 region of bank note, purple during certain currency type value of money front is reversed
Outer identification pattern is concentrated mainly on 1/3 region in bank note, then, when the front of scanning paper currency is reversed: 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 light and
Image Acquisition is carried out to the region under the irradiation of infrared light；In scanning the bank note when 1/3 region, i.e., in scanning total time
1/3 period carried out image to the region under the irradiation for using visible light and ultraviolet light using ultraviolet light or alternate cycles
Acquisition；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 light
Image Acquisition is carried out to the region.And then it is obtained at the end of acquisition and distinguishes matched bank note acquisition figure from different spectrum lights
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 the back side forward direction of bank note can be divided into four figures according to the identification feature for identifying pattern in bank note
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
Acquisition zone is respectively adopted matched illumination strategy and carries out Image Acquisition, and then obtains and different spectrum lights at the end of acquisition
Matched bank note acquires image respectively.
For another example the tilt angle of bank note also affects the division of banknote image pickup area.Determining bank note to be identified
When being transferred into image acquisition region with certain tilt angle, according to determining inclination angle value and this do not tilt when
It identifies distribution of the identification feature of image in the bank note, adjusts the division of the banknote image pickup area, and then adjust each figure
As the beginning sweep time of pickup area, to determine the opportunity for switching the illumination strategy to match.
It is above-mentioned before determining 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 further include:
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 that the bank note to be identified is currently identified towards middle identification pattern
Identification feature.
Wherein, Information includes that front is positive, front is reversed, reverse side is positive and reverse side is reversed.Bank note is in different faces
Downwards, identify 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
After identification feature towards middle identification pattern, it can be determined how according to the identification feature of these identification patterns and take matched light
Banknote image acquisition is carried out to bank note to be identified according to strategy.
As one preferred embodiment of the present embodiment, will currently be identified towards at least according to the bank note to be identified
The identification feature of one identification pattern takes matched illumination strategy to acquire the bank note to be identified at least one illumination type
Under bank note acquire image, specifically:
Currently identify that the distribution towards 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 the first image acquisition region of division and the second image acquisition region；Institute
It states in the first image acquisition region, Image Acquisition is started to the bank note to be identified using under the first illumination strategy；If it is determined that
It acquires to second image acquisition region, then Image Acquisition is carried out to the bank note to be identified using under the second illumination strategy,
Until determination completely acquires the bank note to be identified, wherein determine whether to collect by image acquisition time described
Second image acquisition region；It is obtained at the end of acquisition and distinguishes matched bank note acquisition image from the light of different spectrum；
Wherein, include in the first image pickup area and the matched knowledge of ideal spectrum light in the first illumination strategy
Other pattern includes and the matched identification figure of ideal spectrum light in the second illumination strategy in second image acquisition region
Sample.
In general, the bank note of such as RMB etc, the ultraviolet identification main integrated distribution of pattern in the top of bank note forward direction, and
The main integrated distribution of infrared identification pattern is in the middle part and lower part of bank note forward direction.By RMB to be identified it is current identification 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, that is, 1/3 image acquisition region includes ultraviolet forward in the front of RMB
Identify pattern, 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, Image Acquisition 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 light and ultraviolet light, preferably the latter；If it is determined that
Acquisition when the image acquisition time of the i.e. bank note to be identified have passed through 1/3, then uses second to second image acquisition region
Image Acquisition is carried out to the bank note to be identified under illumination strategy, until determination completely acquires 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 light 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 acquisition,
Wherein the 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, image is acquired according to the bank note under at least one described illumination type, the bank note to be identified is known
Not.
Image, the e.g. infrared image of bank note and ultraviolet figure are acquired 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 acquisition image is identified, is identified with realizing to bank note to be identified.
The identification feature that pattern is respectively identified towards in is currently identified according to bank note to be identified, it (can under different illumination types
Except light-exposed) bank note acquire image, it is no longer identical as the height of bank note, and then reduce the actual size and figure of the image
As information content, module for recognizing paper money is also just shortened to the recognition time of the bank note acquisition image under the illumination type, is improved
Recognition speed of the module for recognizing paper money to bank note.
A kind of bank note scanning recognition method provided in this embodiment, by determining that bank note to be identified is transferred into image and adopts
When collecting region, the identification feature of at least one identification pattern towards in is currently identified according to the bank note to be identified, takes matching
Illumination strategy acquire the bank note to be identified under at least one illumination type bank note acquisition image；According at least one light
Paper under different spectrum is reduced to the technological means that the bank note to be identified is identified according to the bank note acquisition image under type
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 case where other speed, the mode which can be used software and/or hardware are realized, and can be generally integrated in ATM.Such as Fig. 2 institute
Show, described device includes: banknote image acquisition module 210 and banknote image identification module 220, in which:
Banknote image acquisition module 210, for when determining 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 towards in is stated, matched illumination strategy acquisition institute is taken
State bank note acquisition image of the bank note to be identified under at least one illumination type, wherein the identification feature packet of the identification pattern
Include the ideal illumination type of position and the identification pattern of the identification pattern in the bank note to be identified；
Banknote image identification module 220, for acquiring image according to the bank note under at least one described illumination type, to institute
Bank note to be identified is stated to be identified.
The embodiment of the invention provides a kind of bank note scanning recognition device, by determining that bank note to be identified is transferred into figure
When as pickup area, the identification feature of at least one identification pattern towards in is currently identified according to the bank note to be identified, is taken
Matched illumination strategy acquires bank note acquisition image of the bank note to be identified under at least one illumination type；According at least one
Bank note acquisition image under a illumination type reduces different spectrum to the technological means that the bank note to be identified is identified
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 acquisition unit
With banknote image acquiring unit, wherein
Image acquisition region division unit, for being identified the identification feature of pattern in the paper to be identified according at least one
Coin currently identifies the distributed intelligence towards in, identifies the current of the bank note to be identified towards division image acquisition region,
In, each image acquisition region has matched illumination strategy；
Banknote image acquisition unit is respectively adopted matched illumination strategy progress image for different image acquisition areas and adopts
Collection；
Banknote image acquiring unit, for obtaining at the end of acquisition, matched bank note is adopted respectively from different spectrum lights
Collect image.
Preferably, the banknote image acquisition module specifically includes: the first second area division unit, first area image
Acquisition unit, second area image acquisition units and banknote image acquiring unit, wherein
First second area division unit, for being identified the identification feature of pattern in the paper to be identified according at least one
Coin currently identifies the distributed intelligence towards 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 are used in the first image pickup area, using under the first illumination strategy
Image Acquisition is started to the bank note to be identified；
Second area image acquisition units are used for if it is determined that acquisition is to second image acquisition region, then using the
Image Acquisition is carried out to the bank note to be identified under two illumination strategies, until the bank note to be identified is completely adopted in determination
Collection, wherein determine whether to collect second image acquisition region by image acquisition time；
Banknote image acquiring unit, for obtaining at the end of acquisition, matched bank note is adopted respectively from the light of different spectrum
Collect image；
Wherein, include in the first image pickup area and the matched knowledge of ideal spectrum light in the first illumination strategy
Other pattern includes and the matched identification figure of ideal spectrum light in the second illumination strategy in second image acquisition region
Sample.
Specifically, including: with the matched illumination strategy of image acquisition region
Using only with the matched ideal spectrum light of identification pattern in image acquisition region to described image pickup area
It is irradiated；Or
It is used alternatingly with the matched ideal spectrum light of identification pattern in image acquisition region and luminous ray 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
It is divided with tilt angle.
On the basis of the various embodiments described above, above-mentioned bank note scanning recognition device, further includes: the bank note of bank note to be identified is believed
Breath obtains module and identifies the identification feature determining module of pattern, wherein
The bank note data obtaining module of bank note to be identified, for determining 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 is currently identified as the bank note to be identified
Towards；
The identification feature determining module for identifying pattern, for the bank note information according to the bank note to be identified, determine described in
Bank note to be identified currently identifies the identification feature towards middle identification pattern.
Bank note scanning recognition method provided by any embodiment of the invention can be performed in above-mentioned bank note scanning recognition device, tool
The standby corresponding functional module of bank note scanning recognition method and beneficial effect executed.
Embodiment three
Fig. 3 is a kind of structural schematic diagram 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 a, 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 for being connected by bus.
Memory 320 is used as a kind of computer readable storage medium, can be used for storing software program, journey can be performed in computer
Sequence and module, if the corresponding program instruction/module of bank note scanning recognition method in any embodiment of that present invention is (for example, paper
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, at the various function application and data of ATM
Reason, that is, realize the above-mentioned operation for ATM.
Memory 320 can mainly include storing program area and storage data area, wherein storing program area can store operation system
Application program needed for system, at least one function；Storage data area, which can be stored, uses created data etc. according to equipment.This
Outside, memory 320 may 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 be into one
Step includes the memory remotely located relative to processor 310, these remote memories can pass through network connection to ATM.On
The example for stating network includes but is not limited to internet, intranet, local area network, mobile radio communication and combinations thereof.
Input unit 330 can be used for receiving the touch information of input, and generate the user setting and function control with ATM
Make related key signals input.Output device 340 may include that display screen etc. shows equipment.
Example IV
The embodiment of the present invention four also provides a kind of storage medium comprising computer executable instructions, is stored thereon with calculating
Machine program realizes the bank note scanning recognition method that any embodiment of that present invention provides, this method when the program is executed by processor
Include:
When determining that bank note to be identified is transferred into image acquisition region, according to the bank note to be identified currently identify towards
In at least one identification pattern identification feature, take matched illumination strategy to acquire the bank note to be identified at least one light
Image is acquired according to the bank note under type, wherein the identification feature of the identification pattern includes identification pattern in the paper to be identified
The ideal illumination type of position and the identification pattern in coin；
Image is acquired according to the bank note under at least one described 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 which by hardware realization, but in many cases, the former is more
Good embodiment.Based on this understanding, technical solution of the present invention substantially in other words contributes to the prior art
Part can be embodied in the form of software products, which can store in computer readable storage medium
In, floppy disk, read-only memory (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 use so that an ATM executes sheet
Invent method described in each embodiment.
It is worth noting that, included each unit and module are only in the embodiment of above-mentioned bank note scanning recognition device
It is to be divided according to the functional logic, but be not limited to the above division, as long as corresponding functions can be realized；Separately
Outside, the specific name of each functional unit is also only for convenience of distinguishing each other, the protection scope being not intended to restrict the invention.
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that
The invention is not limited to the specific embodiments described herein, be able to carry out for a person skilled in the art it is various it is apparent variation,
It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out by above embodiments to the present invention
It is described in further detail, but the present invention is not limited to the above embodiments only, without departing from the inventive concept, also
It may include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Claims (6)
1. a kind of bank note scanning recognition method characterized by comprising
When determining that bank note to be identified is transferred into image acquisition region, according in the identification feature of at least one identification pattern
It identifies position of the pattern in the bank note to be identified, the current identification of the bank note to be identified is adopted towards the first image is divided
Collect region and the second image acquisition region；
Wherein, the identification feature of the identification pattern includes identifying position of the pattern in the bank note to be identified and described
It identifies the ideal illumination type of pattern, includes and infrared light or the matched knowledge of ultraviolet light in the first image pickup area
Other pattern, it is corresponding, include in second image acquisition region with ultraviolet light or the matched identification pattern of infrared light, with
The matched light of identification pattern that the first image pickup area includes and with include in second image acquisition region
Identify that the light type of images match is different；
In the first image pickup area, Image Acquisition is started to the bank note to be identified using the first illumination strategy, institute
Stating the first illumination strategy is the matched ideal spectrum light of identification pattern being used alternatingly with the first image pickup area
And luminous ray is irradiated described image pickup area, matches with the identification pattern in the first image pickup area
Ideal spectrum light be infrared light or ultraviolet light；
If it is determined that acquisition is to second image acquisition region, then using under the second illumination strategy to the bank note to be identified into
Row Image Acquisition, until determination completely acquires the bank note to be identified, wherein determined whether by image acquisition time
Collect second image acquisition region, the second illumination strategy be used alternatingly in second image acquisition region
The matched ideal spectrum light of identification pattern and luminous ray described image pickup area is irradiated, with described second
The matched ideal spectrum light of identification pattern in image acquisition region is ultraviolet light or infrared light；
It is obtained at the end of acquisition and distinguishes matched bank note acquisition image with the light of different spectrum, it is described from the light of different spectrum
Matched bank note acquisition image includes visible images, infrared image and ultraviolet image to line respectively, wherein the visible images
Height it is identical as the height of the bank note to be identified, the sum of height of the height of the infrared image and the ultraviolet image with
The height of the bank note to be identified is identical；Matched bank note acquisition image is distinguished from the light of different spectrum according to described, to institute
Bank note to be identified is stated to be identified.
2. the method according to claim 1, wherein
Described image pickup area is according to the currency type information of the bank note to be identified, value of money information, Information and tilt angle
It divides.
3. the method according to claim 1, wherein determining that bank note to be identified is transferred into image acquisition region
Before, further includes:
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 is currently identified as the bank note to be identified
Towards；
According to the bank note information of the bank note to be identified, determine that the bank note to be identified currently identifies the knowledge towards middle identification pattern
Other feature.
4. a kind of bank note scanning recognition device characterized by comprising banknote image acquisition module and banknote image identify mould
Block；
The banknote image acquisition module includes: the first second area division unit, first area image acquisition units, the secondth area
Area image acquisition unit and banknote image acquiring unit,
The first second area division unit, for when determining that bank note to be identified is transferred into image acquisition region, according to
Position of the identification pattern in the bank note to be identified in the identification feature of at least one identification pattern, by the paper to be identified
The current identification of coin is towards the first image acquisition region of division and the second image acquisition region；Wherein, the knowledge of the identification pattern
Other feature includes the ideal illumination type of the position identified pattern in the bank note to be identified and the identification pattern, institute
It states in the first image acquisition region and includes and infrared light or the matched identification pattern of ultraviolet light, corresponding, second figure
As include in pickup area with ultraviolet light or the matched identification pattern of infrared light, include with the first image pickup area
The matched light of identification pattern and with the light type of the identification images match for including in second image acquisition region not
Together；
The first area image acquisition units are used in the first image pickup area, using the first illumination strategy pair
The bank note to be identified starts Image Acquisition, the first illumination strategy be used alternatingly in the first image pickup area
The matched ideal spectrum light of identification pattern and luminous ray described image pickup area is irradiated, with described first
The matched ideal spectrum light of identification pattern in image acquisition region corresponds to infrared light or ultraviolet light；
The second area image acquisition units are used for if it is determined that acquisition is to second image acquisition region, then using the
Image Acquisition is carried out to the bank note to be identified under two illumination strategies, until the bank note to be identified is completely adopted in determination
Collection, wherein determine whether to collect second image acquisition region by image acquisition time, the second illumination strategy is
It is used alternatingly with the matched ideal spectrum light of identification pattern in second image acquisition region and luminous ray to institute
It states image acquisition region to be irradiated, with the matched ideal spectrum light pair of identification pattern in second image acquisition region
It should be ultraviolet light or infrared light；
The banknote image acquiring unit, for obtaining at the end of acquisition, matched bank note is adopted respectively from the light of different spectrum
Collect image, described matched bank note acquisition image includes visible images, infrared image and purple respectively from the light of different spectrum
Outer image, wherein the height of the visible images is identical as the height of the bank note to be identified, the height of the infrared image
It is identical as the height of the bank note to be identified with the sum of the height of the ultraviolet image；
The banknote image identification module, for distinguishing matched bank note acquisition image according to from the light of different spectrum, to institute
Bank note to be identified is stated to be identified.
5. a kind of ATM including memory, processor and stores the computer journey that can be run on a memory and on a processor
Sequence, which is characterized in that the processor realizes such as method as claimed in any one of claims 1-3 when executing described program.
6. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the program is held by processor
Such as method as claimed in any one of claims 1-3 is realized when row.
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| CN201711129825.3A CN107845184B (en) | 2017-11-15 | 2017-11-15 | Bank note scanning recognition method, apparatus, ATM and storage medium |
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| CN201711129825.3A CN107845184B (en) | 2017-11-15 | 2017-11-15 | Bank note scanning recognition method, apparatus, ATM and storage medium |
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| CN107845184B true CN107845184B (en) | 2019-10-11 |
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