CN106934632A - Invoice verification method and invoice true check system - Google Patents
Invoice verification method and invoice true check system Download PDFInfo
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- CN106934632A CN106934632A CN201511030980.0A CN201511030980A CN106934632A CN 106934632 A CN106934632 A CN 106934632A CN 201511030980 A CN201511030980 A CN 201511030980A CN 106934632 A CN106934632 A CN 106934632A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q30/00—Commerce
- G06Q30/018—Certifying business or products
- G06Q30/0185—Product, service or business identity fraud
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
- G07D7/00—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
- G07D7/20—Testing patterns thereon
Abstract
The present invention provides a kind of invoice verification method and invoice true check system, and the method includes bill acquisition step, receipt verification step and verification result treatment step.Wherein bill acquisition step includes invoice image acquisition step, invoice template positioning step and invoice data extraction step.After bill acquisition step obtains invoice view data, extract invoice data, receipt verification step calls query interface according to invoice data, call national tax, the land tax Invoice Query System in each province and city, realization integrates all state of provinces and cities land tax Invoice Query Systems, and Query Result data are obtained from Invoice Query System, verification result treatment step is the related reimbursement detailed data of Query Result data genaration reimbursement system and is sent to cloud server preservation.The system provides the module for performing step for the method, and the detailed data obtained after invoice true check system verification and electronizing invoices view data upload to cloud server, and workload is mitigated to financial staff's inquiry invoice.
Description
Technical field
The present invention relates to invoice validation field, in particular it relates to a kind of method for verifying invoice authenticity and the invoice true check system for realizing the method.
Background technology
During invoice reimbursement is carried out, it is necessary first to check the true and false of invoice.And traditional invoice verification can only be performed on PC ends, query interface is numerous and diverse can not to be determined, it is necessary to inquire about field, and Query Result can not be saved in the operation system of oneself.And the national tax in each province and city, land tax inquiry system network address be not obvious, it is difficult to be found and use, the unified door entrance of neither one.Invoice is often to be used in during finance are submitted an expense account to be used as original certificate, but in original certificate electronization process, artificial being scanned to bill by scanner is needed to obtain electronic document, the tired weight of this process workload, and need claimer to be input into every process of consumption of invoice during actually reimbursement, including：The information such as time, place, the amount of money are submitted an expense account as detailed data.Input process is cumbersome, cannot be associated with original certificate after checking, and can not form corresponding electronization archive.
Administration of State Bureau, Local Tax Bureau in spite of some provinces and cities have been proposed mobile APP inquiries application, but the application of each provinces and cities is different.If each province and city have an APP of oneself to apply, then application as will filling tens during user's inquiry invoice could complete invoice inquiry work.Under existing internet+epoch, Mobile solution is very universal, therefore, design it is a integrate each province and city national tax, the invoice inquiry APP of land tax receipt verification interface is necessary.
The content of the invention
The main object of the present invention is to provide one kind and integrates each province and city national tax, land tax receipt verification interface, realizes the invoice verification method of billing information electronization.
Integrate each province and city national tax, land tax receipt verification interface it is a further object of the present invention to provide one kind, realize the invoice true check system of billing information electronization.
To realize above-mentioned main purpose, the invoice verification method that the present invention is provided includes bill acquisition step, the raw image data of invoice is obtained by mobile device, and by image procossing, invoice view data is extracted from raw image data, invoice data collection is carried out according to invoice view data；Receipt verification step, the invoice data gathered according to bill acquisition step determines the ownership place of invoice, and configure it is corresponding inquiry field render query interface, Form lists are embedded in by WebView modes, dynamic confirms the address of service and checking address of calling interface according to invoice number, and captures Query Result data by JavaScript code；The reimbursement detailed data and the invoice view data are sent to cloud server, for submitting an expense account query calls by verification result treatment step, the Query Result data display that will be grabbed in verification result interface, and analysis result, generation reimbursement detailed data.
From such scheme, the invoice verification method that the present invention is provided mainly includes three steps：Bill acquisition step, receipt verification step and verification result treatment step.After bill acquisition step obtains invoice view data, extract invoice data, receipt verification step calls query interface according to invoice data, call national tax, the land tax Invoice Query System in each province and city, realization integrates all state of provinces and cities land tax Invoice Query Systems, and Query Result data are obtained from Invoice Query System, verification result treatment step is the related reimbursement detailed data of Query Result data genaration reimbursement system and is sent to cloud server preservation.Additionally, verification result treatment step also generates the high definition electronization view data with original paper bill same ratio, and cloud server is uploaded to, and without carrying out the scanning of bill again.Called during convenient reimbursement inquiry.
In one scheme, bill acquisition step is included in after mobile device obtains raw image data and performs invoice image acquisition step, and raw image data is carried out into image procossing, and invoice view data is separated from raw image data.
From such scheme, in the raw image data obtained due to mobile device in addition to including invoice view data, also include the ambient image data of invoice image peripheral, in order to obtain invoice view data, original image need to be pre-processed using picture compression, image segmentation algorithm based on mean shift, binary conversion treatment, automatic detection threshold values and edge detection algorithm, final to pass through projective transformation again, picture cuts and obtains invoice image, invoice view data is separated.
In further scheme, bill acquisition step also includes performing invoice template positioning step after performing invoice image acquisition step, Invoice Seal is confirmed in invoice view data using oval method is searched, and match invoice template according to Invoice Seal.
As can be seen here, because same type of invoice uses the elliptical seal for being formed objects, the type and size of Invoice Seal can be obtained by searching oval method, by seal size and the resolution ratio of image, can passing ratio conversion draw the physical size of definite invoice, and then match the template of the type invoice.
Further in scheme, bill acquisition step also includes performing invoice data extraction step after performing invoice template positioning step, according to invoice template, the position of each project to be verified in positioning invoice view data, then the text information data that the project to be verified is extracted by OCR technique.Preferably, invoice data is the information data for including invoice codes, invoice number, Taxpayer Identification Number, place, the amount of money and the date of invoice.
As can be seen here, due to having defined the information such as item destination locations, size above each invoice in invoice template, passing ratio conversion can just position relative position of the projects on invoice image.From invoice image the image interception of projects position out, then the text information that project is extracted by OCR technique.So as to obtain the information data including invoice codes, invoice number, Taxpayer Identification Number, place, the amount of money and the date of invoice, to carry out verification inquiry using these data.
In order to realize above-mentioned another object, the invoice true check system that the present invention is provided includes bill acquisition module, the raw image data of invoice is obtained by mobile device, and by image procossing, invoice view data is extracted from raw image data, invoice data collection is carried out according to invoice view data；Receipt verification module, the invoice data gathered according to bill acquisition step determines the ownership place of invoice, and configure it is corresponding inquiry field render query interface, Form lists are embedded in by WebView modes, dynamic confirms the address of service and checking address of calling interface according to invoice number, and captures Query Result data by JavaScript code；Verification result treatment module, by Query Result data display in verification result interface, and analysis result, reimbursement detailed data and invoice view data are sent to cloud server, for submitting an expense account query calls by generation reimbursement detailed data.Wherein, bill acquisition module includes invoice image collection module, and the raw image data is carried out into image procossing, and the invoice view data is separated from the raw image data；Invoice template locating module, confirms Invoice Seal, and match invoice template according to the Invoice Seal using oval method is searched in the invoice view data；Invoice data extraction module, according to the invoice template, positions the position of each project to be verified in the invoice view data, then the text information data that the project to be verified is extracted by OCR technique.
From such scheme, the invoice true check system that the present invention is provided can be applied to mobile device, may move office, and without fixed-site, only need to connect internet just can whenever and wherever possible complete verification business.The all provinces and cities' national taxes in the system integration whole nation, land tax Invoice Query System interface, unified standard query interface, streamline operation, invoice type and invoice ownership place are automatically confirmed that by invoice codes, and corresponding Invoice Query System interface is called according to ownership place, need to switch different web sites without as using PC ends, inquiring about the bill of different ownership place.The system can extract invoice image by taking pictures, and recognize billing information, automatically enter Query Information, it is not necessary to be manually entered, and overall process only needs to just complete within 3 seconds to 5 seconds querying condition input, and obtains electronizing invoices image.Meanwhile, the verification result returned is captured after verification by analysis, can obtain detailed data and used for reimbursement inquiry.Financial staff is only needed to carry out query calls, and workload is mitigated to financial staff's inquiry invoice.
Brief description of the drawings
Fig. 1 is the structured flowchart of invoice true check system embodiment of the present invention.
Fig. 2 is the flow chart of invoice verification embodiment of the method for the present invention.
Fig. 3 is the flow chart of bill acquisition step in invoice verification embodiment of the method for the present invention.
Below in conjunction with drawings and Examples, the invention will be further described.
Specific embodiment
As shown in Figure 1, invoice true check system of the invention includes bill acquisition module 1, receipt verification module 5 and verification result treatment module 6, and wherein bill acquisition module 1 includes invoice image collection module 2, invoice template locating module 3 and invoice data extraction module 4.This invoice true check system is applied to mobile terminal device, it is preferred that mobile terminal device is the mobile device of Android system.
When needing to carry out invoice verification, raw image data is obtained first with mobile device, such as utilization is taken pictures, data transfer mode obtains view data.In the raw image data obtained due to mobile device in addition to including invoice view data, also include the ambient image data of invoice image peripheral.Therefore, after raw image data is obtained, image is first zoomed in and out and image is changed into 3 channel images from 4 channel images by invoice image collection module 2.After being then used by the image that mean shift segmentation algorithm obtains smooth boundary simple analysis, then binary conversion treatment is carried out to image, change into gray-scale map.Image border is obtained followed by by Canny edge detection algorithms, by all connected regions for searching image border, all connected regions are traveled through after connected region is obtained, it is analyzed for each connected region, find only four polygons on summit, and calculate the angle of the lines that four summits are combined into, the cosine values of angle are then considered right angle between 0 to 0.3, then quadrangle area is calculated, the rectangle for finding maximum area is target invoice image-region.Invoice image is obtained finally by projective transformation, image cropping, so as to invoice view data is pulled out from raw image data to come.
After obtaining invoice view data, invoice template locating module 3 finds the national unified Invoice Seal on corresponding invoice image by the oval method of lookup.Because same type of invoice uses the elliptical seal for being formed objects, and the actual size of the Pixel Dimensions of the seal in invoice view data and invoice is into a ratio, the actual physical size of invoice can be obtained by a series of conversions, so as to the corresponding template of the type invoice can be matched.
Due to having defined the information such as item destination locations, size above each invoice in invoice template, the conversion of the passing ratio of invoice information extraction module 4 can just position relative position of the projects on invoice image.From invoice image the image interception of projects position out, then the text information that project is extracted by OCR technique.So as to obtain the information data including invoice codes, invoice number, Taxpayer Identification Number, place, the amount of money and the date of invoice, i.e. invoice data, to carry out verification inquiry using these data.
After invoice data extraction module 4 gets invoice data, invoice city codes in the national each province and city that client has been configured, call address of service, identifying code address, querying condition field definition, site for service feedback result crawl JavaScript code and invoice type etc. on the basis of, receipt verification module 5 can obtain city codes by comparing the character of the invoice codes for extracting, so as to obtain the ownership place of invoice.For example：Invoice codes 244041507030, wherein the 1st bit digital 1 represents national tax, numeral 2 represents land tax；2nd, 3 bit digitals represent province altogether, and 44 represent extensively；4th, 5 bit digitals represent urban district altogether, and 04 represents Zhuhai.
After receipt verification module 5 navigates to invoice ownership place, corresponding invoice type and accordingly inquiry field, inquiry address of service are can obtain, field is inquired about by dynamic creation, can obtain query interface.Receipt verification module 5 is then embedded in Form lists by WebView modes, and dynamic confirms the address of service and checking address of calling interface according to invoice number, and captures Query Result data.Receipt verification process is as follows：WebView components are initialized first and local html is loaded, and if the inquiry of identifying code, WebView components first load built-in yzm.html to show identifying code, and register Android callback interfaces for Query Result extraction.When inquiry, WebView components load built-in query.html and call the query defined in query.html (url) interface by loadUrl, submit inquiry address of service to, query functions are responsible for dynamic creation Form lists and set Action addresses, and submit service request to the national tax of corresponding provinces and cities, land tax invoice query web.The JSESSIONID that http request service obtains server return is first passed through when inquiry for the first time, for verifying.After WebView components submit service request and Webpage loaded to the national tax of corresponding provinces and cities, the server of land tax invoice query web, by the callback interface for calling registration, using dynamic crawl JavaScript code, respective queries result data is captured from the html returned by server end.
After receipt verification module 5 grabs respective queries result data, verification result treatment module 6 is by analysis, obtain including the information data of invoice codes, invoice number, Taxpayer Identification Number, place, the amount of money and the date of invoice, and detailed data as required for rule generation reimbursement system is sent to cloud server.Additionally, verification result treatment module 6 is also by the generation of invoice view data and the electronic view data of the high definition of original paper bill same ratio, and cloud server is uploaded to, so that the scanning without carry out bill again.Called during convenient reimbursement inquiry.
The course of work of the invoice true check system provided the present invention with reference to Fig. 2 and Fig. 3 is described.When verification is carried out to invoice using the system, firstly the need of acquisition invoice view data, using mobile device take pictures and the mode such as data transfer obtains raw image data, perform bill acquisition step S1 after bill acquisition module 1 obtains raw image data.In bill acquisition module 1, invoice image collection module 2 performs invoice image acquisition step S4 first, invoice image collection module 2 first zooms in and out image, then image segmentation algorithm based on mean shift treatment is carried out to raw image data, binary conversion treatment is carried out followed by image, by image gray processing, then image histogram is calculated, obtain the highest threshold values and minimum threshold values of Image Edge-Detection, each polygon connection region on invoice is found by edge detection algorithm again, from the polygon connection area array for finding out, by the approximate method of rectangle, the angle that 4 angles are 90 degree is found out in calculating, and by calculating polygonal area, maximum polygon is the target for requiring to look up in area of a polygon, that is invoice image-region.Invoice image is obtained finally by projective transformation, image cropping, so as to invoice view data is pulled out from raw image data to come.
After obtaining invoice view data, invoice template locating module 3 performs invoice template positioning step S5, and the national unified Invoice Seal on corresponding invoice image is found by the method for searching ellipse.Because same type of invoice uses the elliptical seal for being formed objects, and the actual size of the Pixel Dimensions of the seal in invoice view data and invoice is into a ratio, by a series of conversions, the actual physical size of invoice can be obtained, so as to the corresponding template of the type invoice can be matched.
It is determined that after invoice template, invoice data extraction module 4 performs invoice data extraction step, due to having defined the information such as item destination locations, size above each invoice in invoice template, passing ratio conversion can just position relative position of the projects on invoice image.The text information data of projects are extracted by OCR technique again.To carry out verification inquiry using these data.
According to the invoice data that bill acquisition module is gathered, receipt verification module 5 performs receipt verification step S2, determine the ownership place of invoice, and configure it is corresponding inquiry field render query interface, Form lists are embedded in by WebView modes, dynamic confirms the address of service and checking address of calling interface according to invoice number, and captures Query Result data by JavaScript code.
Finally, verification result treatment module 6 performs verification result treatment step S3, receipt verification module 5 is captured into Query Result data display in verification result interface, and analysis result, generation reimbursement detailed data, meanwhile, bill electronization view data and detailed data are uploaded to cloud server, called for reimbursement system queries.
From the above embodiments it can be seen that, the invoice true check system that the present invention is provided can be applied to mobile device, may move office, without fixed-site, only need to connect internet and just can whenever and wherever possible complete verification business.The all provinces and cities' national taxes in the system integration whole nation, land tax Invoice Query System interface, unified standard query interface, streamline operation, invoice type and invoice ownership place are automatically confirmed that by invoice codes, and corresponding Invoice Query System interface is called according to ownership place, need to switch different web sites without as using PC ends, inquiring about the bill of different ownership place.The system can extract invoice image by taking pictures, and recognize billing information, automatically enter Query Information, it is not necessary to be manually entered, and overall process only needs to just complete within 3 seconds to 5 seconds querying condition input, and obtains electronizing invoices image.Meanwhile, the verification result returned is captured after verification by analysis, can obtain detailed data and used for reimbursement inquiry.Financial staff is only needed to carry out query calls, and workload is mitigated to financial staff's inquiry invoice.
It should be noted that the preferred embodiments of the present invention are these are only, but the design concept of invention is not limited thereto, all insubstantial modifications made to the present invention using this design, also each falls within protection scope of the present invention.
Claims (10)
1. invoice verification method, it is characterised in that：Including
Bill acquisition step, the raw image data of invoice is obtained by mobile device, and by image procossing, invoice view data is extracted from the raw image data, and invoice data collection is carried out according to the invoice view data；
Receipt verification step, the invoice data gathered according to the bill acquisition step determines the ownership place of invoice, and configure it is corresponding inquiry field render query interface, Form lists are embedded in by WebView modes, dynamic confirms to call the address of service of corresponding interface and checking address according to invoice number, and captures Query Result data by JavaScript code；
The reimbursement detailed data and the invoice view data are sent to cloud server, for submitting an expense account query calls by verification result treatment step, the Query Result data display that will be grabbed in verification result interface, and analysis result, generation reimbursement detailed data.
2. invoice verification method according to claim 1, it is characterised in that：The bill acquisition step is included in after the mobile device obtains the raw image data and performs invoice image acquisition step, and the raw image data is carried out into image procossing, and the invoice view data is separated from the raw image data.
3. invoice verification method according to claim 2, it is characterised in that：The bill acquisition step also includes performing invoice template positioning step after performing the invoice image acquisition step, Invoice Seal is confirmed in the invoice view data using oval method is searched, and match invoice template according to the Invoice Seal.
4. invoice verification method according to claim 3, it is characterised in that：The bill acquisition step also includes performing invoice data extraction step after performing the invoice template positioning step, according to the invoice template, the position of each project to be verified in the invoice view data is positioned, then the text information data of the project to be verified are extracted by OCR technique.
5. the invoice verification method according to any one of Claims 1-4, it is characterised in that：The invoice data is the information data for including invoice codes, invoice number, Taxpayer Identification Number, place, the amount of money and the date of invoice.
6. invoice true check system, it is characterised in that：Including
Bill acquisition module, the raw image data of invoice is obtained by mobile device, and by image procossing, invoice view data is extracted from the raw image data, and invoice data collection is carried out according to the invoice view data；
Receipt verification module, the invoice data gathered according to the bill acquisition step determines the ownership place of invoice, and configure it is corresponding inquiry field render query interface, Form lists are embedded in by WebView modes, dynamic confirms the address of service and checking address of calling interface according to invoice number, and captures Query Result data by JavaScript code；
Verification result treatment module, by the Query Result data display in verification result interface, and analysis result, detailed data is submitted an expense account in generation, and the reimbursement detailed data and the invoice view data that will be grabbed are sent to cloud server, for submitting an expense account query calls.
7. invoice true check system according to claim 6, it is characterised in that：The bill acquisition module includes invoice image collection module, and the raw image data is carried out into image procossing, and the invoice view data is separated from the raw image data.
8. invoice true check system according to claim 7, it is characterised in that：The bill acquisition module also includes invoice template locating module, Invoice Seal is confirmed in the invoice view data using oval method is searched, and match invoice template according to the Invoice Seal.
9. invoice true check system according to claim 8, it is characterised in that：The bill acquisition module also includes invoice data extraction module, according to the invoice template, positions the position of each project to be verified in the invoice view data, then the text information data that the project to be verified is extracted by OCR technique.
10. the invoice true check system according to any one of claim 6 to 9, it is characterised in that：The invoice data is the information data for including invoice codes, invoice number, Taxpayer Identification Number, place, the amount of money and the date of invoice.
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| CN107590490A (en) * | 2017-09-30 | 2018-01-16 | 谷健 | Unanimous vote face information acquisition method, device and the computer-readable recording medium of invoice |
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| CN109977907A (en) * | 2019-04-04 | 2019-07-05 | 厦门商集网络科技有限责任公司 | Expense reimbursement method and its system based on bank slip recognition |
| CN110781877A (en) * | 2019-10-28 | 2020-02-11 | 京东方科技集团股份有限公司 | Image recognition method, device and storage medium |
| CN110781877B (en) * | 2019-10-28 | 2024-01-23 | 京东方科技集团股份有限公司 | Image recognition method, device and storage medium |
| CN111784423A (en) * | 2020-07-31 | 2020-10-16 | 广东电网有限责任公司梅州供电局 | Invoice matching method and device, electronic equipment and storage medium |
| CN111784423B (en) * | 2020-07-31 | 2023-08-25 | 广东电网有限责任公司梅州供电局 | Invoice matching method and device, electronic equipment and storage medium |
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