CN111784423A - Invoice matching method and device, electronic equipment and storage medium - Google Patents
Invoice matching method and device, electronic equipment and storage medium Download PDFInfo
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- CN111784423A CN111784423A CN202010760431.3A CN202010760431A CN111784423A CN 111784423 A CN111784423 A CN 111784423A CN 202010760431 A CN202010760431 A CN 202010760431A CN 111784423 A CN111784423 A CN 111784423A
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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
- G06Q30/04—Billing or invoicing
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F18/00—Pattern recognition
- G06F18/20—Analysing
- G06F18/22—Matching criteria, e.g. proximity measures
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
- G06V30/40—Document-oriented image-based pattern recognition
- G06V30/41—Analysis of document content
- G06V30/412—Layout analysis of documents structured with printed lines or input boxes, e.g. business forms or tables
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
- G06V30/10—Character recognition
Abstract
The embodiment of the invention discloses an invoice matching method, an invoice matching device, electronic equipment and a storage medium, wherein the method comprises the following steps: performing optical character recognition on the invoice image to obtain invoice information of the invoice, wherein the invoice information comprises an invoice number, an invoice code, an invoice amount and an identification code, and calculating the number matching degree of the invoice number according to a prestored ledger; judging whether the invoice to be matched is matched with the standing book or not based on the number matching degree; if so, determining that the invoice is successfully matched, and inputting invoice information into a machine account; if not, when the number matching degree is larger than or equal to the first threshold value, matching the invoices to be matched according to the invoice codes, the invoice amount and the identification codes in sequence so as to identify the invoices to be matched. Because when the invoice number matching fails, the invoice code, the invoice amount and the identification code are adopted for matching in sequence, the problem that one matching fails and the invoice matching is skipped is avoided, and the invoice can be accurately matched through multiple matching of the invoices without manual interpolation.
Description
Technical Field
The embodiment of the invention relates to the technical field of invoice matching, in particular to an invoice matching method, an invoice matching device, electronic equipment and a storage medium.
Background
The invoice refers to written certificate of receipt and payment provided by all units and individuals for buying and selling goods, providing or receiving labor, services and other business activities, is legal certificate of financial income and expense, is original basis of accounting, and is important basis of audit organization and tax authority law enforcement inspection.
For the tax bureau, when the invoice is checked, the tax bureau usually has the billing information (i.e. the standing book) of the enterprise, such as the invoice code, the invoice number, the invoice amount, and other simple information, and if more detailed information of the invoice is needed, the invoice needs to be subjected to OCR recognition. In the process of matching the account with the invoice image, the invoice can be input with detailed information of the invoice when being matched with the account, however, when the invoice is subjected to OCR recognition, if 100% of invoice can not be matched with the account, manual follow-up invoice matching processing is still required.
Disclosure of Invention
The embodiment of the invention provides an invoice matching method, an invoice matching device, electronic equipment and a storage medium, and aims to solve the problems that in the prior art, invoice matching accuracy is insufficient, and invoices need to be manually inserted.
In a first aspect, an embodiment of the present invention provides an invoice matching method, including:
acquiring an invoice image of an invoice to be matched;
performing optical character recognition on the invoice image to obtain invoice information of the invoice, wherein the invoice information at least comprises an invoice number, an invoice code, an invoice amount and an identification code of the invoice to be matched;
calculating the number matching degree of the invoice number according to a prestored standing book;
judging whether the invoice to be matched is matched with the standing book or not based on the number matching degree;
if yes, determining that the invoice is successfully matched, and inputting the invoice information into the standing book;
if not, judging whether the number matching degree is greater than or equal to a preset first threshold value or not;
and when the number matching degree is greater than or equal to the first threshold value, matching the invoice to be matched according to the invoice code, the invoice amount and the identification code in sequence.
In a second aspect, an embodiment of the present invention provides an invoice matching apparatus, including:
the invoice image acquisition module is used for acquiring an invoice image of an invoice to be matched;
the invoice information acquisition module is used for executing optical character recognition on the invoice image to acquire invoice information of the invoice, wherein the invoice information at least comprises an invoice number, an invoice code, an invoice amount and an identification code of the invoice to be matched;
the invoice number matching degree calculation module is used for calculating the number matching degree of the invoice number according to a pre-stored standing book;
the number matching module is used for judging whether the invoice to be matched is matched with the standing book or not based on the number matching degree;
the number matching success determining module is used for determining that the invoice is successfully matched and inputting the invoice information into the standing book;
the number matching degree judging module is used for judging whether the number matching degree is larger than or equal to a preset first threshold value or not;
and the multiple matching module is used for matching the invoices to be matched according to the invoice codes, the invoice amount and the identification codes in sequence when the number matching degree is greater than or equal to the first threshold value.
In a third aspect, an embodiment of the present invention provides an electronic device, where the electronic device includes:
one or more processors;
a storage device for storing one or more programs,
when executed by the one or more processors, cause the one or more processors to implement an invoice matching method as described in any of the embodiments of the invention.
In a fourth aspect, an embodiment of the present invention provides a computer-readable storage medium, on which a computer program is stored, and the computer program, when executed by a processor, implements the invoice matching method according to any embodiment of the present invention.
The method comprises the steps of performing optical character recognition on an invoice image of an invoice to be matched to obtain invoice information of the invoice, wherein the invoice information at least comprises an invoice number, an invoice code, an invoice amount and an identification code of the invoice to be matched, calculating the number matching degree of the invoice number according to a prestored ledger, and judging whether the invoice to be matched is matched with the ledger or not based on the number matching degree; if so, determining that the invoice is successfully matched and inputting the invoice information into the account, and if not, matching the invoice to be matched according to the invoice code, the invoice amount and the identification code in sequence when the number matching degree is greater than or equal to a first threshold value. Because when the invoice number matching fails, the invoice code, the invoice amount and the identification code are sequentially adopted to match the invoice to be matched, the problem that one invoice fails to be matched and the invoice is skipped is solved, the invoice is verified through multiple matching, the error influence of OCR (optical character recognition) invoice information is eliminated, the accurate matching of the invoice is improved, and the matching of the invoice is not required to be manually inserted fully.
Drawings
FIG. 1 is a flowchart illustrating steps of an invoice matching method according to an embodiment of the present invention;
FIG. 2 is a flowchart illustrating steps of an invoice matching method according to a second embodiment of the present invention;
fig. 3 is a block diagram of an invoice matching apparatus according to a third embodiment of the present invention;
fig. 4 is a block diagram of an electronic device according to a fourth embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Example one
Fig. 1 is a flowchart of steps of an invoice matching method provided in an embodiment of the present invention, where the embodiment of the present invention is applicable to a case where an invoice is matched to enter invoice information, and the method may be executed by an invoice matching apparatus, which may be implemented by software and/or hardware, and integrated in an electronic device executing the method, and specifically, as shown in fig. 1, the invoice matching method according to the embodiment of the present invention may include the following steps:
and S101, acquiring an invoice image of the invoice to be matched.
In the embodiment of the invention, the invoices to be matched can be value-added tax invoices and common invoices, specifically, invoice images of the invoices to be matched can be obtained by photographing, scanning and the like, the format of the invoice images can be JPEG, TIFF and the like, certainly, the invoices to be matched can also be scanned into PDF files, and the type of the invoices and the mode of obtaining the invoice images of the invoices to be matched are not limited in the embodiment of the invention.
S102, performing optical character recognition on the invoice image to obtain invoice information of the invoice, wherein the invoice information at least comprises an invoice number, an invoice code, an invoice amount and an identification code of the invoice to be matched.
Specifically, the invoice information on the invoice image may be obtained by OCR (Optical Character Recognition). OCR refers to a process in which an electronic device (e.g., a scanner or digital camera) examines a character printed on a sheet of paper, determines its shape by detecting dark and light patterns, and then translates the shape into a computer word using a character recognition method.
In the embodiment of the present invention, the invoice information may generally include an invoice number, an invoice code, an invoice amount, an identification code, and the like, where the identification code may include a buyer taxpayer identification code and a seller taxpayer identification code, and of course, the invoice information may further include at least one of an invoicing date, a buyer name buyer address telephone, a buyer account number in an issuer, a seller name seller address telephone, a seller account number in an issuer, password area information, a payee, a rechecker, an invoicing detail, a tax rate, and a tax amount. The embodiment of the invention can identify the invoice image through an OCR (optical character recognition) technology to obtain the invoice information.
And S103, calculating the number matching degree of the invoice number according to a prestored standing book.
In an application scenario of the invention, an invoice number, an invoice code, an invoice amount and an identification code of an invoice to be matched are pre-entered in a machine account of a system to serve as basic information, and specific invoice information such as a billing date, a purchaser name and purchaser address phone, a purchaser billing line account number, a seller name and seller address phone, a seller billing line account number, password area information, a payee, a rechecker, billing details, a tax rate and a tax amount needs to be added in the machine account, so that OCR recognition needs to be performed on a paper invoice, and the recognized invoice information is added into corresponding invoice information in the machine account, namely, the paper invoice and an electronic invoice in the machine account need to be matched and reconciled.
In an embodiment of the present invention, the invoices may be matched by the invoice number first, so that the number matching degree between the identified invoice number of the invoice to be matched and each invoice number stored in the ledger in advance may be calculated, where the number matching degree may be the similarity between two invoice numbers.
And S104, judging whether the invoice to be matched is matched with the standing book or not based on the number matching degree.
Specifically, whether the invoice number of the invoice to be matched has a matched invoice number in the ledger can be determined according to the number matching degree, if the number matching degree is 100%, it is indicated that the invoice number of the invoice to be matched is already stored in the ledger, the invoice to be matched is successfully matched, S105 is executed, the invoice information obtained through OCR recognition is recorded in the ledger, and otherwise, S106 is executed.
And S105, determining that the invoice is successfully matched, and inputting the invoice information into the standing book.
Specifically, invoice information such as invoicing date, purchaser name and purchaser address telephone, purchaser opening line account number, seller name and seller address telephone, seller opening line account number, password area information, payee, rechecker, invoicing detail, tax rate and tax amount obtained by OCR recognition can be entered into a ledger for reconciliation.
And S106, judging whether the number matching degree is greater than or equal to a preset first threshold value.
In an example of the present invention, the first threshold may be 90%, that is, it is determined whether the number matching degree of the invoice number of the invoice to be matched is greater than 90%, if yes, S107 is executed, and if no, it is stated that there is no matching item in the ledger for the invoice to be matched, and the invoice to be matched fails to be matched. The first threshold may be determined according to the recognition accuracy of the OCR, and when the recognition accuracy of the OCR is higher, the first threshold may be set to a larger value.
And S107, matching the invoices to be matched according to the invoice codes, the invoice amount and the identification codes in sequence.
If the number matching degree is greater than or equal to a preset first threshold value, which indicates that the invoice number of the invoice to be matched is similar to one or more invoice numbers in the ledger, the invoice of the invoice to be matched can be further matched through the invoice code, the invoice amount and the identification code of the invoice to be matched, wherein each matching is similar to the invoice number, and each matching can be based on the last matching result, illustratively, the set of invoice numbers in the ledger, the number matching degree of which is greater than or equal to the first threshold value with the invoice number of the invoice to be matched, is a, when the invoice codes are matched, the invoice codes associated with the invoice numbers in the set a are matched with the invoice codes of the invoice to be matched to obtain an invoice code set B, when the amount matching is adopted, the amount of the invoice associated with the invoice codes in the set B is matched with the invoice amount of the invoice to be matched, by analogy, when matching is not complete matching and the matching degree is greater than a preset threshold value every time, multiple matching is carried out on the invoices to be matched through the invoice codes, the invoice amount and the identification codes, the problem that matching failure is judged to cause skipping of invoice matching when the matching degree of matching is not 100% every time can be avoided, the invoice matching accuracy can be improved, meanwhile, the error influence of OCR (optical character recognition) invoice information can be eliminated through multiple matching, and the matching accuracy is improved.
The method comprises the steps of performing optical character recognition on an invoice image of an invoice to be matched to obtain invoice information of the invoice, wherein the invoice information at least comprises an invoice number, an invoice code, an invoice amount and an identification code of the invoice to be matched, calculating the number matching degree of the invoice number according to a prestored ledger, and judging whether the invoice to be matched is matched with the ledger or not based on the number matching degree; if so, determining that the invoice is successfully matched and inputting invoice information into the account, and if not, matching the invoice to be matched according to the invoice code, the invoice amount and the identification code in sequence to identify the invoice to be matched when the number matching degree is greater than or equal to the first threshold value. Because when the invoice number matching fails, the invoice code, the invoice amount and the identification code are sequentially adopted to match the invoice to be matched, the problem that one invoice fails to be matched and the invoice is skipped is solved, the invoice is verified through multiple matching, the error influence of OCR (optical character recognition) invoice information is eliminated, the accurate matching of the invoice is improved, and the invoice is not required to be manually identified through full-insertion processing.
Example two
Fig. 2 is a flowchart of steps of an invoice matching method provided in the second embodiment of the present invention, and the second embodiment of the present invention is optimized on the basis of the first embodiment, specifically, as shown in fig. 2, the invoice matching method in the second embodiment of the present invention may include the following steps:
s201, acquiring an invoice image of the invoice to be matched.
S202, performing optical character recognition on the invoice image to obtain invoice information of the invoice, wherein the invoice information at least comprises an invoice number, an invoice code, an invoice amount and an identification code of the invoice to be matched.
In an optional embodiment of the present invention, different identification templates may be adopted for different types of invoices, an identification area is specified on the identification template, and OCR recognition may be performed on the specified identification area to obtain invoice information of each area of the invoice, for example, an identification result of an invoice number area is an invoice number, an identification result of an invoice code area is an invoice code, and the like. The invoice number, the invoice code, the invoice amount and the identification code of the invoice can be obtained by performing OCR recognition on the invoice image, and at least one of the following information of the invoice to be matched can also be obtained:
the billing date, the name of the buyer, the address telephone of the buyer's account, the name of the seller, the address telephone of the seller's account, the account of the seller's account, the password area information, the payee, the rechecker, the billing detail, the tax rate and the tax amount.
And S203, calculating the number matching degree of the invoice number according to the prestored standing book.
In an application scenario of the invention, an invoice number, an invoice code, an invoice amount and an identification code of an invoice to be matched are pre-recorded in a machine account of the system as basic information, when the invoice number is adopted to match the invoice to be matched, the character number of characters with the same character content and character position in each invoice number of the machine account and the invoice number of the invoice to be matched is counted aiming at each invoice number of the machine account, and the ratio of the character number to the total character number of the invoice number is calculated to be used as the number matching degree of the invoice number of the invoice to be matched.
In a specific example, the invoice number of the invoice to be matched is identified as 38304802, the invoice number of an invoice in the ledger is 38304801, the character with the same character content and position is "3830480", and the number matching degree is 7/8-87.5%.
And S204, judging whether the invoice to be matched is matched with the standing book or not based on the number matching degree.
In an example, if the number matching degree of the invoice number is 100%, it is determined that the invoice number of the invoice to be matched is already recorded in the standing book, and S214 is executed, otherwise, it is stated that it cannot be currently determined whether a matching item exists in the standing book for the invoice number of the invoice to be matched, and S205 is executed.
S205, judging whether the number matching degree is larger than or equal to a preset first threshold value.
In an example of the present invention, the first threshold may be set to 90%, that is, when the number matching degree between the invoice number of the invoice to be matched and the invoice number in the ledger is greater than or equal to 90%, there may be an error in the invoice number of the invoice to be matched obtained through OCR recognition, so that an error also occurs in the calculated number matching degree, to avoid this, the invoice to be matched may be further matched, S206 is performed, when the number matching degree between the invoice number of the invoice to be matched and the invoice number in the ledger is less than 90%, under the current OCR recognition accuracy, it may be determined that there is no matching item in the ledger for the invoice number of the invoice to be matched, S215 is performed, and it is determined that the invoice to be matched fails to be matched in the ledger.
And S206, calculating the code matching degree of the invoice codes of the invoices to be matched.
In an optional embodiment of the present invention, a plurality of target invoice numbers with a number matching degree greater than or equal to a first threshold may be determined from a plurality of invoice numbers of the standing book, a first target invoice code associated with the plurality of target invoice numbers is obtained from the plurality of invoice codes of the standing book, and a code matching degree between the invoice code of the invoice to be matched and the first target invoice code is calculated.
Specifically, in the ledger, each ledger information includes an invoice number, an invoice code, an invoice amount, and an identification code, and the invoice number, the invoice code, the invoice amount, and the identification code are associated with each other, that is, there is one item that can be queried to other items, after determining a plurality of target invoice numbers whose number matching degrees are greater than or equal to a first threshold value, the associated target invoice codes can be queried through the target invoice numbers, and then the code matching degrees of the invoice codes of the invoices to be matched and the target invoice codes are calculated, and a specific calculation mode can refer to a calculation mode of the number matching degrees of the invoice numbers, which is not described in detail herein.
And S207, judging whether the invoice to be matched is matched with the standing book or not based on the code matching degree.
In one example, when the invoice number matching degree is greater than 90%, if the code matching degree of the invoice code is 100%, it may be determined that the invoice code and the invoice number of the invoice to be matched are already recorded in the ledger, and S214 is executed, otherwise, it indicates that it is currently impossible to determine whether the invoice code and the invoice number of the invoice to be matched are already recorded in the ledger, and S208 is executed.
And S208, judging whether the code matching degree is greater than or equal to a second threshold value.
In an example of the present invention, the second threshold may be set to 90%, that is, when the code matching degree between the invoice code of the invoice to be matched and the invoice code in the ledger is greater than or equal to 90%, there may be an error in the invoice code of the invoice to be matched obtained through OCR recognition, so that an error also occurs in the calculated code matching degree, to avoid this, the invoice to be matched may be further matched, S209 is performed, when the code matching degree between the invoice code of the invoice to be matched and the invoice code in the ledger is less than 90%, under the current OCR recognition accuracy, it may be determined that the invoice code and the invoice number of the invoice to be matched are not recorded in the ledger, S215 is performed, and it is determined that the invoice code to be matched fails to be matched in the ledger.
S209, calculating the amount matching degree of the invoice to be matched.
In an optional embodiment of the present invention, a plurality of second target invoice codes with a code matching degree greater than or equal to a second threshold may be determined from the plurality of first target invoice codes, a first target amount associated with the plurality of second target invoice codes is obtained from the ledger, and an amount matching degree between the invoice amount of the invoice to be matched and the first target amount is calculated, where the calculation manner of the amount matching degree may refer to the calculation manner of the number matching degree of the invoice number, and is not described in detail herein.
Specifically, a plurality of target invoice numbers with the number matching degree larger than or equal to a first threshold value are determined from a plurality of invoice numbers of the standing book, and after first target invoice codes associated with the plurality of target invoice numbers are obtained, a plurality of second target invoice codes with the code matching degree larger than or equal to a second threshold value are further determined from the plurality of first target invoice codes, and the amount matching degree is calculated by adopting the amount of the first target invoice associated with the second target invoice codes and the amount of the invoice to-be-matched, so that the data size of the required amount matching degree is further reduced, and the invoice matching effect is improved.
S210, judging whether the invoice to be matched is matched with the standing book or not based on the amount matching degree.
In one example, if the number matching degree of the invoice number of the invoice to be matched and the code matching degree of the invoice code are both greater than 90%, and the amount matching degree of the invoice amount is 100%, it may be determined that the invoice number, the invoice code, and the invoice amount of the invoice to be matched have been entered into the ledger, and S214 is executed, otherwise, it indicates that it cannot be determined whether the invoice number, the invoice code, and the invoice amount of the invoice to be matched have been entered into the ledger currently, and S211 is executed.
S211, judging whether the money matching degree is larger than or equal to a third threshold value.
In an example of the present invention, the third threshold may be set to 90%, that is, when the amount matching degree between the invoice amount of the invoice to be matched and the invoice amount in the standing book is greater than or equal to 90%, there may be an error in the invoice amount of the invoice to be matched obtained through OCR recognition, so that the calculated amount matching degree also has an error, and to avoid this, the invoice to be matched may be further matched, S212 is performed, and when the amount matching degree between the invoice amount of the invoice to be matched and the invoice amount in the standing book is less than 90%, under the current OCR recognition accuracy, it may be determined that the invoice code, the invoice number, and the invoice amount of the invoice to be matched are not entered in the standing book, S215 is performed, and it is determined that the invoice to be matched fails to be matched in the standing book.
And S212, calculating the identification code matching degree of the invoice to be matched.
In an optional embodiment of the present invention, the identifier may include a seller taxpayer identifier and a buyer taxpayer identifier, and in the first target amounts associated with the plurality of second target invoice codes, a plurality of second target amounts with an amount matching degree greater than the third threshold are determined, the target identifiers associated with the plurality of second target amounts are obtained from the ledger, and the identifier matching degree between the identifier of the invoice to be matched and the target identifier is calculated. The calculation method of the matching degree of the identification code may refer to the calculation method of the number matching degree of the invoice number, and is not described in detail herein.
Specifically, a plurality of target invoice numbers with a number matching degree larger than or equal to a first threshold value are determined from a plurality of invoice numbers of the standing book, and after a first target invoice code associated with the plurality of target invoice numbers is obtained, a plurality of second target invoice codes with a code matching degree larger than or equal to a second threshold value are further determined from the plurality of first target invoice codes, a plurality of second target money amounts with a money matching degree larger than a third threshold value are further determined from first target money amounts associated with the plurality of second target invoice codes, and the identification code matching degree is calculated by using the identification code associated with the second target money amount and the identification code of the invoice to be matched, so that the data volume of the matching degree required by the identification code is further reduced, and the invoice matching effect is improved.
S213, judging whether the invoice to be matched is matched with the standing book or not based on the identification code matching degree.
In one example, if the number matching degree of the invoice number of the invoice to be matched, the code matching degree of the invoice code, and the amount matching degree of the invoice amount are all greater than 90%, and the identification code matching degree of the invoice matching code is 100%, it may be determined that the invoice number, the invoice code, the invoice amount, and the identification code of the invoice to be matched have been entered into the ledger, S214 is executed, otherwise, S215 is executed.
S214, determining that the invoice to be matched is successfully matched, and inputting the invoice information into the standing book.
Specifically, invoice information such as invoicing date, purchaser name and purchaser address telephone, purchaser opening line account number, seller name and seller address telephone, seller opening line account number, password area information, payee, rechecker, invoicing detail, tax rate and tax amount obtained by OCR recognition can be entered into a ledger for reconciliation.
S215, determining that the invoice to be matched fails to be matched.
Specifically, it may be determined that the invoice to be matched fails to match, the invoice is discarded, and the next invoice is identified.
It should be noted that the numerical values of the first threshold, the second threshold, and the third threshold in this embodiment are only examples, and in practical applications, a person skilled in the art may also use other values according to the OCR recognition accuracy, and in addition, the first threshold, the second threshold, and the third threshold may use the same numerical value or different numerical values, which is not limited in this embodiment of the present invention.
When the invoice number matching fails, the invoice codes, the invoice amount and the identification codes are sequentially adopted to match the invoices to be matched, so that the problem that one invoice fails to be matched and the invoice is skipped is solved, the invoice is verified through multiple matching, the error influence of OCR (optical character recognition) on invoice information is eliminated, the accurate matching of the invoice is improved, and the invoice identification does not need to be processed through manual sufficiency.
EXAMPLE III
Fig. 3 is a block diagram of an invoice matching apparatus provided in a third embodiment of the present invention, and as shown in fig. 3, the invoice matching apparatus in the third embodiment of the present invention may specifically include the following modules:
the invoice image acquisition module 301 is used for acquiring an invoice image of an invoice to be matched;
an invoice information obtaining module 302, configured to perform optical character recognition on the invoice image to obtain invoice information of the invoice, where the invoice information at least includes an invoice number, an invoice code, an invoice amount, and an identification code of the invoice to be matched;
the invoice number matching degree calculation module 303 is used for calculating the number matching degree of the invoice number according to a prestored ledger;
the number matching module 304 is configured to determine whether the invoice to be matched is matched with the standing book based on the number matching degree;
a number matching success determining module 305, configured to determine that the invoice is successfully matched, and enter the invoice information into the standing book;
a number matching degree determining module 306, configured to determine whether the number matching degree is greater than or equal to a preset first threshold;
and the multiple matching module 307 is configured to match the invoice to be matched sequentially according to the invoice code, the invoice amount, and the identification code when the number matching degree is greater than or equal to the first threshold value.
Optionally, the method further comprises:
and the identification failure determining module is used for determining that the invoice to be matched fails to be matched when the number matching degree is smaller than the first threshold value.
Optionally, the standing book includes a plurality of invoice numbers, and the invoice number matching degree calculation module 303 includes:
the character number counting submodule is used for counting the character number of characters, of which the character content and the character position are the same, in each invoice number of the standing book and the invoice number of the invoice to be matched according to each invoice number of the standing book;
and the number matching degree operator module is used for calculating the ratio of the number of the characters to the total number of the characters of the invoice number to serve as the number matching degree of the invoice number of the invoice to be matched.
Optionally, the standing book further includes a plurality of invoice codes, invoice amount and identification code, and the multiple matching module 307 includes:
the code matching degree operator module is used for calculating the code matching degree of the invoice codes of the invoices to be matched;
the code matching sub-module is used for judging whether the invoice to be matched is matched with the standing book or not based on the code matching degree;
the code matching success sub-module is used for determining that the invoice to be matched is successfully matched and inputting the invoice information into the standing book;
the code matching degree judging submodule is used for judging whether the code matching degree is larger than or equal to a second threshold value or not;
the code matching failure sub-module is used for determining that the invoice to be matched fails to be matched when the code matching degree is smaller than the second threshold value;
the amount matching degree operator module is used for calculating the amount matching degree of the invoice to be matched when the code matching degree is larger than or equal to the second threshold value;
the amount matching submodule is used for judging whether the invoice to be matched is matched with the standing book or not based on the amount matching degree;
the amount matching success sub-module is used for determining that the invoice to be matched is successfully matched and inputting the invoice information into the standing book;
the money matching degree judging submodule is used for judging whether the money matching degree is larger than or equal to a third threshold value;
the amount matching failure sub-module is used for determining that the invoice to be matched fails to be matched when the code matching degree is smaller than the third threshold value;
the identification code matching degree operator module is used for calculating the identification code matching degree of the invoice to be matched when the code matching degree is larger than or equal to the third threshold value;
the identification code matching sub-module is used for judging whether the invoice to be matched is matched with the standing book or not based on the identification code matching degree;
the identification code matching success sub-module is used for determining that the invoice to be matched is successfully matched and inputting the invoice information into the standing book;
and the identification code matching failure sub-module is used for determining the matching failure of the invoice to be matched.
Optionally, the code match degree operator module includes:
the target invoice number determining unit is used for determining a plurality of target invoice numbers of which the number matching degree is greater than or equal to the first threshold value in a plurality of invoice numbers of the standing book;
the first target invoice code acquisition unit is used for acquiring a plurality of first target invoice codes associated with the target invoice numbers from a plurality of invoice codes of the standing book;
and the code matching degree calculation unit is used for calculating the code matching degree of the invoice codes of the invoices to be matched and the first target invoice codes.
Optionally, the amount match degree operator module comprises:
a second target invoice code determination unit, configured to determine, among the first target invoice codes, a plurality of second target invoice codes for which the code matching degree is greater than or equal to the second threshold;
a first target amount obtaining unit, configured to obtain, from the ledger, a first target amount associated with the plurality of second target invoice codes;
and the amount matching degree calculating unit is used for calculating the amount matching degree between the invoice amount of the invoice to be matched and the first target amount.
Optionally, the identifier matching degree operator module includes:
a second target amount determining unit, configured to determine, among first target amounts associated with a plurality of second target invoice codes, a plurality of second target amounts of which the amount matching degrees are greater than the third threshold;
a target identification code acquisition unit configured to acquire a plurality of target identification codes associated with the second target amount from the ledger;
and the identification code matching degree calculating unit is used for calculating the identification code matching degree of the identification code of the invoice to be matched and the target identification code.
The invoice matching device provided by the embodiment of the invention can execute the invoice matching method provided by the first embodiment or the second embodiment of the invention, and has the corresponding functional modules and beneficial effects of the execution method.
Example four
Referring to fig. 4, a schematic structural diagram of an electronic device in one example of the invention is shown. As shown in fig. 4, the electronic device may specifically include: a processor 40, a memory 41, a display screen 42 with touch functionality, an input device 43, an output device 44, and a communication device 45. The number of processors 40 in the device may be one or more, and one processor 40 is taken as an example in fig. 4. The number of the memory 41 in the device may be one or more, and one memory 41 is taken as an example in fig. 4. The processor 40, the memory 41, the display 42, the input means 43, the output means 44 and the communication means 45 of the device may be connected by a bus or other means, as exemplified by the bus connection in fig. 4.
The memory 41 is used as a computer-readable storage medium for storing software programs, computer-executable programs, and modules, such as program instructions/modules corresponding to the invoice matching method according to the first embodiment to the second embodiment of the present invention (for example, the invoice image acquisition module 301, the invoice information acquisition module 302, the invoice number matching degree calculation module 303, the number matching module 304, the number matching success determination module 305, the number matching degree judgment module 306, and the multiple matching module 307 in the invoice matching device provided in the third embodiment). The memory 41 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating device, an application program required for at least one function; the storage data area may store data created according to use of the device, and the like. Further, the memory 41 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device. In some examples, memory 41 may further include memory located remotely from processor 40, which may be connected to the device over a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The display screen 42 is a display screen 42 with a touch function, which may be a capacitive screen, an electromagnetic screen, or an infrared screen. In general, the display screen 42 is used for displaying data according to instructions from the processor 40, and is also used for receiving touch operations applied to the display screen 42 and sending corresponding signals to the processor 40 or other devices. Optionally, when the display screen 42 is an infrared screen, the display screen further includes an infrared touch frame, and the infrared touch frame is disposed around the display screen 42, and may also be configured to receive an infrared signal and send the infrared signal to the processor 40 or other devices.
The communication device 45 is used for establishing communication connection with other devices, and may be a wired communication device and/or a wireless communication device.
The input device 43 may be used for receiving input numeric or character information, and may also be a camera for acquiring images and a sound pickup device for acquiring audio data. The output device 44 may include an audio device such as a speaker. It should be noted that the specific composition of the input device 43 and the output device 44 can be set according to actual conditions.
The processor 40 executes various functional applications of the device and data processing by executing software programs, instructions and modules stored in the memory 41, i.e., implements the invoice matching method described above.
Specifically, in the embodiment, when the processor 40 executes one or more programs stored in the memory 41, the invoice matching method provided by the embodiment of the present invention is specifically implemented.
Embodiments of the present invention further provide a computer-readable storage medium, where instructions in the storage medium, when executed by a processor of a device, enable the device to perform the invoice matching method according to the above method embodiments.
It should be noted that, as for the embodiments of the apparatus, the electronic device, and the storage medium, since they are basically similar to the embodiments of the method, the description is relatively simple, and for the relevant points, reference may be made to the partial description of the embodiments of the method.
From the above description of the embodiments, it is obvious for those skilled in the art that the present invention can be implemented by software and necessary general hardware, and certainly, can also be implemented by hardware, but the former is a better embodiment in many cases. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, and the computer software product may be stored in a computer-readable storage medium, such as a floppy disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a FLASH Memory (FLASH), a hard disk or an optical disk of a computer, and includes several instructions to enable a computer device (which may be a robot, a personal computer, a server, or a network device) to execute the invoice matching method according to any embodiment of the present invention.
It should be noted that, in the invoice matching apparatus, the units and modules included in the invoice matching apparatus are only divided according to functional logic, but are not limited to the above division as long as the corresponding functions can be implemented; in addition, specific names of the functional units are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present invention.
It should be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by suitable instruction execution devices. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. An invoice matching method, comprising:
acquiring an invoice image of an invoice to be matched;
performing optical character recognition on the invoice image to obtain invoice information of the invoice, wherein the invoice information at least comprises an invoice number, an invoice code, an invoice amount and an identification code of the invoice to be matched;
calculating the number matching degree of the invoice number according to a prestored standing book;
judging whether the invoice to be matched is matched with the standing book or not based on the number matching degree;
if so, determining that the invoice to be matched is successfully matched, and inputting the invoice information into the standing book;
if not, judging whether the number matching degree is greater than or equal to a preset first threshold value or not;
and when the number matching degree is greater than or equal to the first threshold value, matching the invoice to be matched according to the invoice code, the invoice amount and the identification code in sequence.
2. The method of claim 1, further comprising:
and when the number matching degree is smaller than the first threshold value, determining that the invoice to be matched fails to be matched.
3. The method according to claim 1, wherein the standing book includes a plurality of invoice numbers, and the calculating the number matching degree of the invoice numbers of the invoices to be matched according to the pre-stored standing book includes:
counting the number of characters of the characters with the same character content and character position in each invoice number of the standing book and the invoice number of the invoice to be matched according to each invoice number of the standing book;
and calculating the ratio of the number of the characters to the total number of the characters of the invoice number to serve as the number matching degree of the invoice number of the invoice to be matched.
4. The method according to any one of claims 1-3, wherein the standing book further comprises a plurality of invoice codes, invoice amounts and identification codes, and when the number matching degree is greater than or equal to the first threshold value, matching the invoice to be matched according to the invoice codes, the invoice amounts and the identification codes in sequence comprises:
calculating the code matching degree of the invoice codes of the invoices to be matched;
judging whether the invoice to be matched is matched with the standing book or not based on the code matching degree;
if so, determining that the invoice to be matched is successfully matched, and inputting the invoice information into the standing book;
if not, judging whether the code matching degree is greater than or equal to a second threshold value or not;
when the code matching degree is smaller than the second threshold value, determining that the invoice to be matched fails to be matched;
when the code matching degree is larger than or equal to the second threshold value, calculating the amount matching degree of the invoice to be matched;
judging whether the invoice to be matched is matched with the standing book or not based on the amount matching degree;
if so, determining that the invoice to be matched is successfully matched, and inputting the invoice information into the standing book;
if not, judging whether the money matching degree is larger than or equal to a third threshold value;
when the code matching degree is smaller than the third threshold value, determining that the invoice to be matched fails to be matched;
when the code matching degree is larger than or equal to the third threshold value, calculating the identification code matching degree of the invoice to be matched;
judging whether the invoice to be matched is matched with the standing book or not based on the identification code matching degree;
if so, determining that the invoice to be matched is successfully matched, and inputting the invoice information into the standing book;
if not, determining that the invoice to be matched fails to be matched.
5. The method according to claim 4, wherein the calculating the code matching degree of the invoice codes of the invoices to be matched comprises:
determining a plurality of target invoice numbers with the number matching degree being greater than or equal to the first threshold value from a plurality of invoice numbers of the standing book;
acquiring a plurality of first target invoice codes associated with the target invoice numbers from a plurality of invoice codes of the standing book;
and calculating the code matching degree of the invoice codes of the invoices to be matched and the first target invoice codes.
6. The method of claim 5, wherein calculating the amount match of the invoice to be matched when the code match is greater than or equal to the second threshold comprises:
determining a plurality of second target invoice codes of which the code matching degree is greater than or equal to the second threshold value from the plurality of first target invoice codes;
acquiring a first target amount associated with a plurality of second target invoice codes from the standing book;
and calculating the matching degree of the invoice amount of the invoice to be matched and the first target amount.
7. The method according to claim 6, wherein when the code matching degree is greater than or equal to the third threshold, calculating the identification code matching degree of the invoice to be matched comprises:
determining a plurality of second target amounts of which the amount matching degrees are greater than the third threshold value from the first target amounts associated with the plurality of second target invoice codes;
acquiring a plurality of target identification codes associated with the second target money amount from the standing book;
and calculating the matching degree of the identification code of the invoice to be matched and the identification code of the target identification code.
8. An invoice matching apparatus, comprising:
the invoice image acquisition module is used for acquiring an invoice image of an invoice to be matched;
the invoice information acquisition module is used for executing optical character recognition on the invoice image to acquire invoice information of the invoice, wherein the invoice information at least comprises an invoice number, an invoice code, an invoice amount and an identification code of the invoice to be matched;
the invoice number matching degree calculation module is used for calculating the number matching degree of the invoice number according to a pre-stored standing book;
the number matching module is used for judging whether the invoice to be matched is matched with the standing book or not based on the number matching degree;
the number matching success determining module is used for determining that the invoice is successfully matched and inputting the invoice information into the standing book;
the number matching degree judging module is used for judging whether the number matching degree is larger than or equal to a preset first threshold value or not;
and the multiple matching module is used for matching the invoices to be matched according to the invoice codes, the invoice amount and the identification codes in sequence when the number matching degree is greater than or equal to the first threshold value.
9. An electronic device, characterized in that the electronic device comprises:
one or more processors;
a storage device for storing one or more programs,
when executed by the one or more processors, cause the one or more processors to implement the invoice matching method of any of claims 1-7.
10. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the invoice matching method according to any one of claims 1-7.
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