CN105741404A - Method, device and system for bill identification - Google Patents
Method, device and system for bill identification Download PDFInfo
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- CN105741404A CN105741404A CN201410767480.4A CN201410767480A CN105741404A CN 105741404 A CN105741404 A CN 105741404A CN 201410767480 A CN201410767480 A CN 201410767480A CN 105741404 A CN105741404 A CN 105741404A
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Abstract
The invention discloses a method, a device and a system for bill identification. The method comprises steps that an image of a bill is acquired; the acquired image of the bill is compared with a standard pre-stored bill image, and a comparison result is generated; a to-be-re-check area of the bill is determined according to the comparison result; an amplified image of the to-be-re-check area of the bill is acquired. Through the method, a problem of low identification efficiency of a bill identification method in the prior art is solved, and properties of simple and convenient operation and high identification efficiency are realized.
Description
Technical field
The present invention relates to data processing field, in particular to the discrimination method of a kind of bill, device and system.
Background technology
Financial document is to be signed and issued by financial institution or undertaken the bill paying obligation by financial institution, and the existing financial document of China includes draft, check, cashier's cheque etc..Owing to financial document belongs to marketable securities, in order to avoid lawless person forges financial document, generally, the medium of financial document can print draft bank, ultraviolet or infrared patterns and embedding fluorescent fiber silk etc. as anti-counterfeiting characteristic when making, when selling financial document, use dedicated printer to print check drawer's information, receiver information and the words such as the amount of money of drawing a bill in financial document surface set region, also can add a cover check drawer's financial affairs seal, corporate seal in bill surface setting regions and sign and issue mechanism's seal simultaneously.
Existing financial document discrimination method is when signing and issuing financial document, the original image of financial document is obtained by scanning means, and the data base that the original image of the financial document got uploads to the financial document management system signing and issuing mechanism achieves, when user to sign and issue mechanism cash financial document time, the staff signing and issuing mechanism obtains the image of financial document to be cashed first with scanning means, the original image of the financial document corresponding with financial document to be cashed is transferred again from the data base of financial document management system, manually the content of financial document and the concordance of anti-counterfeiting characteristic are contrasted, thus judging the true and false of financial document to be cashed.The all the elements of the financial document to be cashed that staff needs to utilize image processing software to getting in comparison process and anti-counterfeiting characteristic region image amplifying observation one by one, so that it is guaranteed that the accuracy of comparing result.Owing to financial document needs the content of comparison and anti-counterfeiting characteristic up to tens, and being distributed in each region of financial document nominal value, therefore, it is loaded down with trivial details to there is operated by personnel in existing financial document discrimination method, the problem that identification efficiency is low.
For problem low for differentiating the method identification efficiency of bill in prior art, effective solution is not yet proposed at present.
Summary of the invention
Present invention is primarily targeted at and the discrimination method of a kind of bill, device and system are provided, to solve the low problem of method identification efficiency for differentiating bill.
To achieve these goals, an aspect according to embodiments of the present invention, it is provided that the discrimination method of a kind of bill.The discrimination method of the bill according to the present invention includes: obtain the image of bill；The standard picture of the image of the described bill got with the described bill prestored is compared, generates comparison result；According to described comparison result determine described bill treat check region；Obtain the enlarged drawing picture treating check region of described bill.
To achieve these goals, another aspect according to embodiments of the present invention, it is provided that the identification system of a kind of bill.The identification system of the bill according to the present invention includes: image capture device, for obtaining the image of bill；Authentication equipment, sets up correspondence with image capture device, compares with the standard picture of the bill prestored for the image of bill that collected by image capture device, generates comparison result, and treats check region according to what comparison result determined bill；Hiccough, sets up correspondence with authentication equipment, for obtaining the enlarged drawing picture of bill.
To achieve these goals, another aspect according to embodiments of the present invention, it is provided that the identification device of a kind of bill.The identification device of the bill according to the present invention includes: the first acquisition module, for obtaining the image of bill；Identification module, for being compared with the standard picture of the bill prestored by the image of the bill got, generates comparison result；Extraction module, for according to comparison result determine bill treat check region；Second acquisition module, for obtaining the enlarged drawing picture treating check region of bill.
According to inventive embodiments, by obtaining the image of bill；The standard picture of the image of the described bill got with the described bill prestored is compared, generates comparison result；According to described comparison result determine described bill treat check region；Obtain the enlarged drawing picture treating check region of described bill, solve the low problem of method identification efficiency for differentiating bill, reached effect easy and simple to handle, that identification efficiency is high.
Accompanying drawing explanation
The accompanying drawing constituting the part of the application is used for providing a further understanding of the present invention, and the schematic description and description of the present invention is used for explaining the present invention, is not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the hardware block diagram of the bill authentication equipment of the discrimination method for bill according to a first embodiment of the present invention；
Fig. 2 is the flow chart of bill discrimination method according to a first embodiment of the present invention；
Fig. 3 is the schematic diagram of the image of bill according to an embodiment of the invention；
Fig. 4 is the image according to another kind alternative embodiment bill of the present invention and its standard picture comparison result labelling figure；
Fig. 5 is the structural representation of the identification system of the bill of according to embodiments of the present invention two；And
Fig. 6 is the structural representation of the identification device of the bill according to this law embodiment three.
Detailed description of the invention
It should be noted that when not conflicting, the embodiment in the application and the feature in embodiment can be mutually combined.Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
In order to make those skilled in the art be more fully understood that the present invention program, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the embodiment of a present invention part, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, all should belong to the scope of protection of the invention.
It should be noted that term " first " in description and claims of this specification and above-mentioned accompanying drawing, " second " etc. are for distinguishing similar object, without being used for describing specific order or precedence.Should be appreciated that the data of so use can be exchanged in the appropriate case, in order to embodiments of the invention described herein.In addition, term " includes " and " having " and their any deformation, it is intended to cover non-exclusive comprising, such as, contain series of steps or the process of unit, method, system, product or equipment be not necessarily limited to those steps or the unit clearly listed, but can include clearly not listing or for intrinsic other step of these processes, method, product or equipment or unit.
Embodiment 1
According to embodiments of the present invention, provide the discrimination method of a kind of bill, it should be noted that, can perform in the computer system of such as one group of computer executable instructions in the step shown in the flow chart of accompanying drawing, and, although illustrate logical order in flow charts, but in some cases, it is possible to perform shown or described step with the order being different from herein.
Fig. 1 is the hardware block diagram of the authentication equipment of the discrimination method for bill according to a first embodiment of the present invention.As it is shown in figure 1, bill authentication equipment includes control unit 11 and the image acquisition unit 12, hiccough 13, display 14 and the data base 15 that are connected with control unit 11.Wherein, image acquisition unit 12 is for obtaining the image of bill；Hiccough 13 is used for gathering bill partial enlargement image, it is preferable that hiccough 13 is Handheld electronic magnifier；The enlarged drawing picture of bill images that the user interface of bill evaluator that display 14 runs for being shown in control unit 11, image acquisition unit 12 get and the bill local that hiccough 13 obtains；Data base 15, for the standard picture of storing bill, using the comparison basis as bill to be identified；Control unit 11 is used for controlling the work of each module, and such as, control image acquisition unit 12 obtains the image of bill, control display 14 shows the image of the bill obtained and controls hiccough 13 obtains bill enlarged drawing picture etc. locally.
Fig. 2 is the flow chart of bill discrimination method according to a first embodiment of the present invention.As in figure 2 it is shown, bill discrimination method comprises the following steps:
Step S10, obtains the image of bill.
The image of bill can be obtained by the image acquisition unit 12 shown in Fig. 1.Preferably, it is possible to obtain the full width face image of current bill to be identified, it is also possible to obtain the image of the setting regions of this bill.
Fig. 3 is the schematic diagram of the image of bill according to an embodiment of the invention, this figure illustrates the image in the full width face of bill, as shown in Figure 3, the image of bill can include check drawer's full name, check drawer's account, draft bank, amount in Chinese character, amount in figures, check drawer's seal, accepter's seal, motif, cellosilk and safety line, and wherein cellosilk and safety line are not shown in the diagram.
Herein it should be noted that the image of above-mentioned bill can include one or more in the visible images of bill, infrared transmission image, infrared external reflection image ultraviolet transmission image and ultraviolet reflectance image.
In the present embodiment, the image of the bill that image collection module 12 gets includes coloured image, infrared transmission image, infrared external reflection image ultraviolet transmission image and five kinds of images of ultraviolet reflectance image, wherein, the image information of the coloured image of bill can include following any one or multiple key feature: draft bank, amount in Chinese character and amount in figures；Infrared external reflection image includes draft bank, amount in Chinese character, amount in figures and safety line；Infrared transmission image includes draft bank, safety line and watermark；Ultraviolet reflectance image includes cellosilk, motif, draft bank shading and red waterline；Ultraviolet transmission image includes cellosilk.
Step S30, compares the standard picture of the image of the bill got with the bill prestored, and generates comparison result.
By the control unit 11 shown in Fig. 1, the standard picture of the image of the bill got with the bill prestored can be compared, generate comparison result.
In a kind of alternative embodiment that the application provides, above-mentioned steps S30 can include implementing step as follows:
Step S301, extracts multiple key features of the image of bill.Key feature in this step is for differentiating the true and false of bill.
Step S303, obtain bill standard picture.
Step S305, compares key feature corresponding with standard picture respectively for the multiple key features extracted, and generates comparison result.Preferably, comparison result may include that the Similarity value of each key feature, and/or, for the label information of labelling key feature, wherein, label information is used for characterizing key feature and mates with standard picture INFORMATION OF INCOMPLETE.
As from the foregoing, the alternative embodiment that above-mentioned steps S30 and the step S301 to step S305 included thereof realizes, the key feature that the key feature of the image of bill is corresponding with the standard picture of this bill pre-saved is compared, generate and show the comparison result of key feature, the image related in above-mentioned steps S301 can be the full width face image of bill, concrete, for differentiating that the key feature of papers is the content according to bill and anti-counterfeiting characteristic presets, preferably, key feature can include draft bank, amount in Chinese character, amount in figures, check drawer's seal, accepter's seal, cellosilk, watermark, safety line, draft bank shading, one or more the combination such as red waterline and motif.A kind of alternative, extracts key feature by control unit 11 from the full width face image of bill, such as, extracts draft bank, amount in Chinese character and amount in figures from the visible images (i.e. coloured image) of bill；Draft bank, amount in Chinese character, amount in figures and safety line is extracted from the infrared external reflection image of bill；Draft bank, safety line and watermark is extracted from the infrared transmission image of bill；Cellosilk, motif, draft bank shading and red waterline is extracted from the ultraviolet reflectance image of bill；Cellosilk is included, to realize comparing key feature corresponding with the standard picture of this bill pre-saved for the key feature of the image of bill from the ultraviolet transmission image of bill.
Owing to the draft bank of bill has uniqueness, therefore, in the execution process of step S303, it is possible to obtain the standard picture of the bill identical with this draft bank by control unit 11 according to the draft bank of bill and differentiate the true and false of bill currently to be identified.Known in conjunction with Fig. 1, acquisition methods can pass through control unit 11 and searches from data base 15 and obtain the standard picture identical with the draft bank of bill, wherein, data base 15 can be saved in the local storage of bill authentication equipment, it is also possible to is saved in the remote server networked with bill authentication equipment.
Known in conjunction with Fig. 1, when performing the step S305 comparison step realized, by the control unit 11 in Fig. 1, key feature corresponding with standard picture respectively for the multiple key features extracted is compared one by one, and the matching degree according to each key feature with its standard picture generates comparison result, the comparison result of each key feature can also be shown on display 14 by control unit 11.Wherein, comparison result can be the Similarity value of each key feature, it is also possible to be the label information for labelling key feature.Table 1 is the comparing result table of the key feature according to a kind of alternative embodiment of the present invention.Concrete, table 1 below lists the every kind of key feature of bill in a kind of preferred exemplary comparison result in the image that different light sources obtain, and in table, horizontal line represents in the image corresponding with light source and cannot obtain this key feature, therefore, it does not have comparison result.
Table 1:
| Key feature | Coloured image | Infrared external reflection image | Infrared transmission image | Ultraviolet reflectance image |
| Draft bank | 100% | 100% | 100% | —— |
| Date of draft | 100% | 100% | —— | —— |
| Amount in Chinese character | 100% | 100% | —— | —— |
| Amount in figures | 100% | 100% | —— | —— |
| Check drawer's seal | 100% | —— | —— | —— |
| Accepter's seal | 100% | —— | —— | —— |
| Draft bank shading | —— | —— | —— | 100% |
| Motif | —— | —— | —— | 100% |
| Red waterline | —— | —— | —— | 100% |
| Watermark | —— | —— | 100% | 100% |
| Safety line | —— | 100% | 100% | —— |
Fig. 4 is the labelling figure of the image according to another kind alternative embodiment bill of the present invention and its standard picture comparison result, the key feature that can not mate completely in bill is made that labelling by figure, such as, the amount in figures of bill and its original image Incomplete matching, use oval frame labelling to amount in figures position in figure.
Step S50, according to comparison result determine bill treat check region, and obtain bill treat check region enlarged drawing picture.
Treating in this step is checked region and is contained the key feature of the problem of would be likely to occur.
If the key feature Incomplete matching that the key feature of bill is corresponding with standard picture, then it represents that this key feature would be likely to occur problem.A kind of result is this bill is false tickets, another kind of result is the true ticket of this bill, but owing to the process of circulation is polluted or the wear damage image of key feature.In order to accurately judge the true and false of bill, it is necessary to obtain the enlarged drawing picture of the key feature of the bill of the problem that would be likely to occur, in order to differentiate further.Above-mentioned steps S50 can realize obtaining and showing the enlarged drawing picture of the key feature of the bill of the problem that would be likely to occur.
Herein it should be noted that the scheme that above-mentioned steps S50 realizes can include the following two kinds alternative:
Scheme one:
Step S501a, it is judged that whether the Similarity value of key feature is less than or equal to preset value.
Step S503a, when the Similarity value of key feature is less than or equal to preset value, it is determined that region corresponding to key feature is for treating check region.
In the scheme one that above-mentioned steps S501a to step S503a realizes, when the Similarity value that comparison result is each key feature, when the Similarity value of a key feature is lower than preset value, then may determine that current key feature is the key feature that would be likely to occur problem, such that it is able to further use hiccough 13 in Fig. 1 to obtain the enlarged drawing picture of this key feature of bill, display 14 can show the enlarged drawing picture of this key feature of the bill that hiccough 13 obtains, in order to artificial differentiates further.Such as, when setting preset value as 100%, if the Similarity value of amount in Chinese character is 98%, then lower than setting value, now can call hiccough 13 and be placed into the amount in Chinese character position of bill, thus obtaining the enlarged drawing picture of the amount in Chinese character of bill, this enlarged drawing picture that hiccough 13 can be obtained by control unit is shown on display 14, in order to manually contrast discriminating further.
Needing exist for illustrating, the comparing result of the discrimination method of the embodiment of the present invention includes: for the label information of labelling key feature, wherein, and label information is for characterizing the key feature Incomplete matching that key feature is corresponding with standard picture.
Scheme two:
Step S501b, reads the key feature with label information from the image of bill.Label information in this step can be labelling figure.
Step S503b, it is determined that there is the corresponding region of key feature of label information for treating check region.
In the scheme one that above-mentioned steps S501b to step S503b realizes, when the label information that comparison result is for labelling key feature, can pass through to be placed into hiccough 13 position of the key feature of the problem that would be likely to occur of bill, the enlarged drawing picture of this position that hiccough 13 obtains can be shown on display 14 by control unit, in order to manually contrasts discriminating further.
Bill discrimination method provided by the invention, first pass through the image obtaining bill to be identified and obtain the comparison result of each key feature of bill and standard picture, then pass through the enlarged drawing picture of the key feature of the bill obtaining the problem that would be likely to occur, differentiate further for manually utilizing enlarged drawing picture, therefore, use bill discrimination method provided by the invention, bill can be quickly found out and would be likely to occur the key feature of problem, staff need not to all key features amplification ratio pair one by one, only the key feature that would be likely to occur problem need to be amplified comparison, the discriminating of bill can be completed, so, improve bill reliably at backed bill identification result simultaneously and differentiate speed.
The application needs it is further noted that after the enlarged drawing picture getting in-problem key feature, before can utilizing artificial this enlarged drawing picture of discriminating further, may be provided for another automatic authentication schemes herein.
Concrete, it is possible to after the enlarged drawing picture treating check region obtaining bill, it is possible to enlarged drawing picture is compared with the standard enlarged drawing picture corresponding to the bill of this enlarged drawing picture pre-saved.Preferably, at the standard enlarged drawing of enlarged drawing picture and the bill corresponding to this enlarged drawing picture as on all four situation, what enlarged drawing picture was corresponding treats that check region is by verifying；At the standard enlarged drawing of enlarged drawing picture and the bill corresponding to this enlarged drawing picture as inconsistent, what enlarged drawing picture was corresponding treats check area validation failure.
It follows that this application provides a kind of easy and simple to handle, bill discrimination method that identification efficiency is high.
Embodiment 2
In the configuration that it is most basic, Fig. 5 is the structural representation of the identification system of the bill of according to embodiments of the present invention two.For purposes of illustration, the architecture painted is only an example of proper environment, not the use scope of the application or function is proposed any limitation.This computing system should not being construed to, any component shown in Fig. 5 or its combination are had any dependence or demand yet.
As it is shown in figure 5, the identification system of a kind of bill of the application offer may include that image capture device 50, authentication equipment 52 and hiccough 54.
Wherein, image capture device 50, for obtaining the image of bill, it can be contact-type image sensor (being called for short CIS) or the box-like imageing sensor of thermocouple (being called for short CCD)；Authentication equipment 52, sets up correspondence with image capture device 50, compares with the standard picture of the bill prestored for the image of bill that collected by image capture device, generates comparison result, and treats check region according to what comparison result determined bill；Hiccough 54, sets up correspondence with authentication equipment 52, for obtaining the enlarged drawing picture in the region of bill.
Image capture device 50 (such as image acquisition device) in above-mentioned Fig. 5 can provide different types of light source, according to the different types of light source that image acquisition device provides, the image that image acquisition device can collect at least includes following any one or multiple image: visible images, infrared transmission image, infrared external reflection image, ultraviolet transmission image and ultraviolet reflectance image.And the image collected is sent to authentication equipment 52, authentication equipment 52 can be a kind of bill authentication equipment shown in Fig. 1.
Preferably, the authentication equipment 52 in the application said system may include that a discriminating processor 521.
This discriminating processor 521, extracts multiple key features of the image of bill, and is compared by key feature corresponding with standard picture respectively for the multiple key features extracted, and generates comparison result.Preferably, comparison result may include that the Similarity value of each key feature, and/or, for the label information of labelling key feature, wherein, label information is used for characterizing key feature and mates with standard picture INFORMATION OF INCOMPLETE.
It should be noted that herein, in a kind of alternative embodiment, whether authentication equipment 521 in the application system embodiment can be also used for the Similarity value judging key feature less than or equal to preset value, and when the Similarity value of key feature is less than or equal to preset value, it is determined that area image corresponding to key feature is for treating check region.
In another alternative embodiment, authentication equipment 521 in the application system embodiment can be also used for reading the key feature with label information from the image of bill, and extraction has the area image of the key feature of label information from image, constitute and treat check region.
Preferably, in said system embodiment two, after the enlarged drawing picture treating check region obtaining bill, it is possible to enlarged drawing picture is compared with the standard enlarged drawing picture corresponding to the bill of this enlarged drawing picture pre-saved.Preferably, at the standard enlarged drawing of enlarged drawing picture and the bill corresponding to this enlarged drawing picture as on all four situation, what enlarged drawing picture was corresponding treats that check region is by verifying；At the standard enlarged drawing of enlarged drawing picture and the bill corresponding to this enlarged drawing picture as inconsistent, what enlarged drawing picture was corresponding treats check area validation failure.
It follows that this application provides a kind of easy and simple to handle, bill identification system that identification efficiency is high.This bill identification system, first pass through the image obtaining bill to be identified and obtain the comparison result of each key feature of bill and standard picture, then pass through the enlarged drawing picture of the key feature of the bill obtaining the problem that would be likely to occur, differentiate further for manually utilizing enlarged drawing picture, therefore, use bill identification system provided by the invention, bill can be quickly found out and would be likely to occur the key feature of problem, staff need not to all key features amplification ratio pair one by one, only the key feature that would be likely to occur problem need to be amplified comparison, the discriminating of bill can be completed, so, improve bill reliably at backed bill identification result simultaneously and differentiate speed.
Embodiment 3
According to embodiments of the present invention, additionally providing a kind of device embodiment for implementing said method embodiment, the device that the above embodiments of the present application provide can run on computer terminals.
Fig. 6 is the structural representation of the identification device of the bill according to this law embodiment three.As shown in Figure 6, the identification device of this bill may include that the first acquisition module 60, identification module 62, extraction module 64 and the second acquisition module 66.
Wherein, the first acquisition module 60, for obtaining the image of bill；Identification module 62, for being compared with the standard picture of the bill prestored by the image of the bill got, generates comparison result；Extraction module 64, for according to comparison result determine bill treat check region；Second acquisition module 66, for obtaining the enlarged drawing picture treating check region of bill.
This application provides a kind of easy and simple to handle, paper discriminating apparatus that identification efficiency is high.The comparison result of this paper discriminating apparatus image with standard picture by obtaining bill to be identified, then pass through the enlarged drawing picture of the key feature of the bill obtaining the problem that would be likely to occur, differentiate further for manually utilizing enlarged drawing picture, owing to only the key feature that would be likely to occur problem need to be amplified comparison, the discriminating of bill can be completed, so, improve bill reliably at backed bill identification result simultaneously differentiate speed.
It should be noted that herein, above-mentioned first acquisition module 60, identification module 62, extraction module 64 and the second acquisition module 66 are corresponding to the step S10 to step S50 in embodiment one, four modules are identical with the example that corresponding step realizes and application scenarios, but are not limited to above-described embodiment one disclosure of that.It should be noted that above-mentioned module may operate in the authentication equipment that embodiment one provides as the part of device.
Herein also, it should be noted the further alternative or preferred embodiment of the device embodiment of the application offer is identical with the example of the embodiment of the method that embodiment one provides, but it is not limited to the optional or preferred embodiment that embodiment one provides.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.
Claims (13)
1. the discrimination method of a bill, it is characterised in that including:
Obtain the image of bill；
The standard picture of the image of the described bill got with the described bill prestored is compared, generates comparison result；
According to described comparison result determine described bill treat check region；
Obtain the enlarged drawing picture treating check region of described bill.
2. discrimination method according to claim 1, it is characterized in that, the image of described bill includes following any one or the multiple image of described bill: visible images, infrared transmission image, infrared external reflection image, ultraviolet transmission image and ultraviolet reflectance image.
3. discrimination method according to claim 2, it is characterised in that compared by the standard picture of the image of the described bill got with the described bill prestored, generates comparison result and includes:
Extract at least one key feature of the image of described bill；
The key feature that the plurality of key feature extracted is corresponding with described standard picture respectively is compared, generates described comparison result.
4. discrimination method according to claim 3, it is characterized in that, described at least one key feature is any one or multiple combination of following feature: draft bank, amount in Chinese character, amount in figures, check drawer's seal, accepter's seal, cellosilk, watermark, safety line, draft bank shading, red waterline and motif.
5. discrimination method according to claim 4, it is characterised in that described comparison result includes: the Similarity value of each key feature；Determine that according to described comparison result the step treating check region of described bill includes:
Judge that whether the Similarity value of described key feature is less than or equal to preset value；
When the Similarity value of described key feature is less than or equal to described preset value, it is determined that the region that described key feature is corresponding be described in treat check region.
6. discrimination method according to claim 4, it is characterized in that, described comparison result includes: for the label information of labelling key feature, wherein, and described label information is for characterizing the key feature Incomplete matching that described key feature is corresponding with described standard picture；Determine that according to described comparison result the step treating check region of described bill includes:
The key feature with described label information is read from the image of described bill；
Determine that check region is treated described in being in the region corresponding to the key feature with described label information.
7. discrimination method according to claim 1, it is characterized in that, after the enlarged drawing picture treating check region obtaining described bill, described method also includes: compared with the standard enlarged drawing picture corresponding to the described bill of this enlarged drawing picture pre-saved by described enlarged drawing picture.
8. the identification system of a bill, it is characterised in that including:
Image capture device, for obtaining the image of bill；
Authentication equipment, correspondence is set up with described image capture device, the image of described bill for being collected by described image capture device is compared with the standard picture of the described bill prestored, generate comparison result, and according to described comparison result determine described bill treat check region；
Hiccough, sets up correspondence with described authentication equipment, for obtaining the enlarged drawing picture of described bill.
9. identification system according to claim 8, it is characterized in that, the image of described bill includes following any one or the multiple image of described bill: visible images, infrared transmission image, infrared external reflection image, ultraviolet transmission image and ultraviolet reflectance image.
10. identification system according to claim 9, it is characterised in that described authentication equipment includes:
Differentiate processor, extract at least one key feature of the image of described bill, and the key feature that the plurality of key feature extracted is corresponding with described standard picture respectively is compared, generate described comparison result.
11. identification system according to claim 10, it is characterized in that, described at least one key feature is following any one or multiple combination: draft bank, amount in Chinese character, amount in figures, check drawer's seal, accepter's seal, cellosilk, watermark, safety line, draft bank shading, red waterline and motif.
12. identification system according to claim 11, it is characterized in that, described comparison result includes: the Similarity value of each key feature or the label information for labelling key feature, wherein, described label information is for characterizing the key feature Incomplete matching that described key feature is corresponding with described standard picture.
13. the identification device of a bill, it is characterised in that including:
First acquisition module, for obtaining the image of bill；
Identification module, for being compared with the standard picture of the described bill prestored by the image of the described bill got, generates comparison result；
Extraction module, for according to described comparison result determine described bill treat check region；
Second acquisition module, for obtaining the enlarged drawing picture treating check region of described bill.
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| CN112733916A (en) * | 2020-12-31 | 2021-04-30 | 五八有限公司 | False certificate picture identification method and device, electronic equipment and storage medium |
| CN113189716A (en) * | 2021-05-07 | 2021-07-30 | 四川天邑康和通信股份有限公司 | Integrated end face intelligent self-checking system based on MPO optical fiber connector |
| CN114240407A (en) * | 2021-11-17 | 2022-03-25 | 广东电网有限责任公司 | Bill risk conduction quantitative evaluation system and method based on block chain |
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