WO2020253113A1 - 发票录入方法、装置、设备及计算机存储介质 - Google Patents
发票录入方法、装置、设备及计算机存储介质 Download PDFInfo
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- 238000005516 engineering process Methods 0.000 claims description 15
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- 238000004891 communication Methods 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 5
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- 238000012545 processing Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 2
- 238000013507 mapping Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000013473 artificial intelligence Methods 0.000 description 1
- 238000003708 edge detection Methods 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/22—Indexing; Data structures therefor; Storage structures
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/28—Databases characterised by their database models, e.g. relational or object models
- G06F16/284—Relational databases
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/50—Information retrieval; Database structures therefor; File system structures therefor of still image data
- G06F16/58—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually
- G06F16/583—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually using metadata automatically derived from the content
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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
- G06Q10/00—Administration; Management
- G06Q10/10—Office automation; Time management
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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
- G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
- G06Q50/10—Services
- G06Q50/26—Government or public services
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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
- G06V30/418—Document matching, e.g. of document images
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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
Definitions
- This application relates to the field of artificial intelligence technology, in particular to an invoice entry method, device, equipment and computer storage medium.
- the state taxation agency collects statistics on various types of invoices.
- the workers of the state taxation agency organize various types of invoices, they need to manually classify these different types of invoices and then enter them into the computer system. If there are many invoices and many types, and some invoices are even regional, workers need to classify invoices according to invoice types, which is more time-consuming and laborious for workers.
- the main purpose of this application is to provide an invoice entry method, device, equipment and computer storage medium, aiming to solve the problem that the staff is time-consuming and laborious to manually count invoices due to the large quantity and variety.
- invoice entry method which includes the following steps:
- an invoice entry device which includes:
- the collection module is used to collect the image information of the current invoice
- An identification module configured to identify the feature point set A of the current invoice format of the current invoice from the image information
- the comparison module is used to traverse the invoice format images in the image library, collect feature points of the traversed invoice format images, and obtain the feature point set X of the traversed invoice format images;
- the comparison module is further configured to compare the feature points in the feature point set A with the feature points in the feature point set X;
- the comparison module is further configured to use the invoice format image corresponding to the feature point set X as the target invoice format image matching the current invoice format if the comparison results are the same;
- An obtaining module configured to determine the current invoice category corresponding to the current invoice according to the target invoice format image
- the storage module is used to enter the image information of the current invoice into the storage area corresponding to the current invoice category.
- this application also proposes a device for entering invoices.
- the device includes a camera, a memory, a processor, and a computer that is stored on the memory and can be executed on the processor.
- a read instruction when the computer-readable instruction is executed by the processor, implements the steps of the invoice entry method as described above.
- this application also proposes a computer storage medium having computer-readable instructions stored thereon, and when the computer-readable instructions are executed by the processor, the above-mentioned invoice entry is realized. Method steps.
- FIG. 1 is a schematic structural diagram of a device in a hardware operating environment involved in a solution of an embodiment of the present application
- FIG. 2 is a schematic flowchart of a first embodiment of an invoice entry method according to the application.
- Fig. 3 is a schematic diagram of each data table of the database in an embodiment of the application
- FIG. 4 is a schematic flowchart of a second embodiment of an invoice entry method according to the application.
- FIG. 5 is a schematic flowchart of a third embodiment of an invoice entry method according to the application.
- FIG. 6 is a schematic flowchart of a fourth embodiment of an invoice entry method according to the application.
- FIG. 7 is a schematic diagram of each data table of the database in another embodiment of the application.
- Figure 8 is a structural block diagram of an invoice entry device of this application.
- FIG. 1 is a schematic diagram of the device structure of the hardware operating environment involved in the solution of the embodiment of the application.
- the device may include a processor 1001, such as a CPU, a communication bus 1002, a user interface 1003, a network interface 1004, a memory 1005, and a camera 1006.
- the communication bus 1002 is used to implement connection and communication between these components.
- the user interface 1003 may include a display screen (Display), and the optional user interface 1003 may also include a standard wired interface and a wireless interface.
- the network interface 1004 may optionally include a standard wired interface and a wireless interface (such as a WI-FI interface).
- the memory 1005 can be a high-speed RAM memory or a stable memory (non-volatile memory), such as disk storage.
- the memory 1005 may also be a storage device independent of the foregoing processor 1001.
- the camera 1006 is used to collect image information of the invoice.
- FIG. 1 does not constitute a limitation on the device described in the present application, and may include more or fewer components than shown in the figure, or a combination of certain components, or different components Layout.
- a memory 1005 as a computer storage medium may include an operating system, a network communication module, a user interface module, and computer readable instructions.
- the device described in this application calls the computer-readable instructions stored in the memory 1005 through the processor 1001, and executes the steps of the invoice entry method.
- Figure 2 is a schematic flowchart of a first embodiment of an invoice entry method according to this application.
- the method includes the following steps:
- Step S10 Collect image information of the current invoice.
- Step S20 Identify the feature point set A of the current invoice format of the current invoice from the image information.
- the execution subject of this embodiment is an invoice entry device.
- the invoice entry device may include a camera for collecting image information of the current invoice.
- the worker uses the device to collect the image of the current invoice.
- the feature point set A of the current invoice format of the current invoice is identified in the image information;
- This embodiment can be implemented based on OpenCV (Open Source Computer Vision Library, open source computer vision library) function to perform grayscale processing on the collected images, and obtain the table line after binarization processing.
- OpenCV Open Source Computer Vision Library, open source computer vision library
- Step S30 Traverse the invoice format images in the image library, collect feature points of the traversed invoice format images, and obtain the feature point set X of the traversed invoice format images.
- this embodiment will summarize the invoice formats of different types of invoices in advance.
- the format of value-added tax invoices and the format of motor vehicle sales invoices are very different.
- the background, the image of the white line (or the image of the white background, the black line) is called the form line image, and the built form line image is stored in the image library as the invoice format image.
- the image database in this embodiment may be a relational database, such as a MySQL database and a SqlServer database.
- Step S40 Compare the feature points in the feature point set A with the feature points in the feature point set X.
- Step S50 If the comparison results are the same, the invoice format image corresponding to the feature point set X is used as the target invoice format image matching the current invoice format.
- Step S60 Determine the current invoice category corresponding to the current invoice according to the target invoice format image.
- the invoice format image comparison method of this embodiment belongs to the comparison of two-dimensional pictures and two-dimensional pictures. Since different types of invoice formats are in table shape, the similarity of different types of invoice images will be very high. .
- This embodiment adopts the feature point matching method, that is, when processing the step of "compare the pre-stored invoice format images in the image library according to the current invoice format", the invoice format images in the image library are traversed, and the traversal to To collect the feature point set X of the invoice format, compare the feature point set A of the current invoice format with the feature point set X of the invoice format image.
- the specific comparison method is: first determine the feature point Set the specific shape a of the current invoice format corresponding to the set A, and then determine the specific shape x of the invoice format image corresponding to the feature point set X, obtain the endpoints of the shape a, and obtain the endpoints of the shape x at the same time, and combine the endpoints and shapes of the shape a
- the end points of b are connected, for example, the shape a and the shape x are both rectangles, then the four end points of the two rectangles can be connected correspondingly in the order of up, down, left, and right.
- connection method is: using the connected endpoints as a reference, the characteristic points are connected in the order from left to right and top to bottom.
- Step S70 Enter the image information of the current invoice into the storage area corresponding to the current invoice category.
- FIG. 3 is a schematic diagram of each data table of the database of this embodiment.
- the database of this embodiment will include a database for storing invoice format images.
- Data table invoice format image table A
- data table for storing the name of the invoice type invoice category table B
- multiple data tables for storing invoice image information invoice information table C divided by invoice category
- invoice category table B includes: invoice category ID (primary key) and invoice category name;
- invoice format image table A The attributes of the invoice format image table A include: invoice format ID (primary key), invoice format image and invoice category ID (foreign key);
- the attributes of the invoice information table C include: image information of the invoice (specific invoice content information field) and invoice category ID (foreign key).
- the invoice entry device when the invoice entry device recognizes the current category of the current invoice, it enters the image information of the current invoice into the storage area corresponding to the current invoice category, that is, enters the image information of the current invoice into the storage area corresponding to the current invoice category. State the invoice information table C corresponding to the current invoice category. Furthermore, it can replace the manual classification of invoices and manually enter the invoice information into the computer. Workers can use the invoice entry device of this program to scan the invoice image information, and then automatically classify the invoice information and store it in the computer system. In, improve the efficiency of workers.
- the image information of the current invoice is first collected, and the current invoice format of the current invoice is identified from the image information; the invoice format images pre-stored in the picture library are compared according to the current invoice format, and the results are obtained The target invoice format image that matches the invoice format image;
- this embodiment can automatically classify the invoice information and then store it in the computer system. In turn, it can replace manual classification of invoices and improve the efficiency of workers.
- step S10 specifically includes:
- Step S101 Collect image information of the current invoice, identify the current invoice format of the current invoice from the image information, and identify the invoice content information of the current invoice from the image information through optical character recognition technology.
- this embodiment may adopt optical character recognition technology (OCR, Optical Character Recognition).
- OCR optical character recognition
- Recognition Recognize the invoice content information of the current invoice from the image information; that is, use optical technology and computer technology to read out the text printed or written on the current invoice paper and convert it into a computer capable Acceptable and understandable format.
- Text recognition is a relatively mature technology in the field of computer vision research, and there have been many landing projects in business.
- the invoice content information includes at least an invoice number, an invoice date and transaction information
- the transaction information may include buyer information and seller information.
- the step S70 specifically includes:
- Step S701 Enter the image information of the current invoice and the invoice content information into the storage area corresponding to the current invoice category.
- the attributes of the invoice information table C in this embodiment include: image information of the invoice (specific invoice content information field), invoice category ID (foreign key), invoice number, invoice date, transaction information, and other field information.
- the invoice entry device After the invoice entry device recognizes the current category of the current invoice and the invoice content information, it records the image information of the current invoice and the invoice content information into the storage area corresponding to the current invoice category, That is, the image information of the current invoice and the invoice content information are entered into the invoice information table C corresponding to the current invoice category.
- the method includes:
- Step S102 Read the stamp image from the image information of the current invoice, compare the stamp image with a preset stamp, and determine that the current invoice is qualified when the stamp image is the same as the preset stamp invoice.
- the authenticity of the invoice can be identified based on the invoice information of the current invoice.
- the red seal without an oval shape is marked with the "National Uniform Invoice Supervision Chapter" at the top of the chapter and the words "produced under the supervision of the local tax bureau” or "produced under the supervision of the State Administration of Taxation" to determine whether the red chapter meets the specifications.
- step S101 it may also include:
- Step detecting the connection status between the local network and the server of the State Administration of Taxation, and reading the current invoice number from the invoice content information when the detection result is the communication status;
- Steps traverse the database of the State Administration of Taxation server according to the current invoice number, and determine that the current invoice is a qualified invoice when it successfully traverses to the same invoice number as the current invoice number.
- the invoice entry device of this embodiment is synchronized with the database of the State Administration of Taxation.
- the invoice entry device scans the invoice code of the current invoice, and queries the database of the State Administration of Taxation according to the scanned invoice number. The content indicates that the current invoice is valid, otherwise it is invalid.
- This embodiment can detect the current invoice in time to determine whether the current invoice is a regular and qualified invoice.
- FIG. 6 based on the flow diagram of the first embodiment of the above-mentioned invoice entry method, a fourth implementation of an invoice entry method of the present application is proposed.
- invoice format of the same type in a few regions is different from the conventional invoice format of the same type, we will classify the invoices by type, and will also summarize the invoice format of the same type of invoices in different regions; if the regions are different, but Invoices of the same type have exactly the same format, and they are summarized into an invoice format image.
- step S60 includes:
- Step S61 Determine the current invoice category corresponding to the current invoice and the region to which the current invoice belongs according to the target invoice format image.
- the step S70 includes:
- Step S71 Enter the image information of the current invoice into a storage area corresponding to the category of the current invoice and the region to which the current invoice belongs.
- the database system of this embodiment is a relational database.
- FIG. 7 is a schematic diagram of each data table of the database of this embodiment.
- the database of this embodiment will include a piece of data for storing invoice format images.
- Table invoice format image table A
- data table for storing invoice type names invoice category table B
- data table for storing invoice area data invoice area table D
- invoice information table C multiple data tables (invoice information table C) that are used to store invoice image information divided by invoice categories. As shown in the figure, the same field attributes will exist between the data tables, and the same field attributes will be the primary key and Foreign key mapping relationship.
- invoice category table B includes: invoice category ID (primary key) and invoice category name;
- the attributes of the invoice information table C include: image information of the invoice (specific invoice content information field) and invoice category ID (foreign key);
- the attributes of the invoice format image table D include: invoice area and invoice area ID (primary key).
- the invoice entry device when the invoice entry device recognizes the current category of the current invoice, it enters the image information of the current invoice into the storage area corresponding to the current invoice category, that is, enters the image information of the current invoice into the storage area corresponding to the current invoice category. State the invoice information table C corresponding to the current invoice category. Furthermore, it can replace the manual classification of invoices and manually enter the invoice information into the computer. Workers can use the invoice entry device of this program to scan the invoice image information, and then automatically classify the invoice information and store it in the computer system. In, improve the efficiency of workers.
- invoices are regional, and the format of invoices in different regions of the same type may be different. Workers also need to classify invoices by region, which is more time-consuming and laborious for workers.
- the different invoice format images in this embodiment correspond to different invoice categories and invoice regions. That is, this embodiment can identify invoices of the same invoice category and different regions, and enter the image information of the current invoice with the current invoice category and the current invoice category. The storage area corresponding to the region where the invoice belongs.
- the embodiments of the present application also provide a computer-readable storage medium, and the computer-readable storage medium may be a non-volatile readable storage medium.
- the computer-readable storage medium of the present application stores computer-readable instructions, and when the computer-readable instructions are executed by a processor, the steps of the above-mentioned invoice entry method are realized.
- FIG. 8 is a structural block diagram of a first embodiment of an invoice entry device according to the present application.
- the device includes:
- the collection module 10 is used to collect image information of the current invoice
- the recognition module 20 is configured to recognize the feature point set A of the current invoice format of the current invoice from the image information;
- the comparison module 30 is used to traverse the invoice format images in the image database, collect feature points of the traversed invoice format images, and obtain the feature point set X of the traversed invoice format images;
- the comparison module 30 is further configured to compare the feature points in the feature point set A with the feature points in the feature point set X;
- the comparison module 30 is further configured to, if the comparison result is the same, use the invoice format image corresponding to the feature point set X as the target invoice format image that matches the current invoice format;
- the obtaining module 40 is configured to determine the current invoice category corresponding to the current invoice according to the target invoice format image
- the storage module 50 is configured to record the image information of the current invoice into the storage area corresponding to the current invoice category.
- the invoice entry device of this embodiment can be a program for supporting invoice entry and is loaded in the invoice entry device.
- the invoice entry device of this embodiment can automatically process invoice information.
- the classification is then stored in the computer system, which can replace the manual classification of invoices and improve the efficiency of workers.
- the collection module 10 is also used to collect image information of the current invoice, and identify the current invoice format and invoice content information of the current invoice from the image information through optical character recognition technology.
- the storage module 50 is further configured to record the image information of the current invoice and the invoice content information into the storage area corresponding to the current invoice category.
- the acquiring module 40 is further configured to determine the current invoice category corresponding to the current invoice and the region where the current invoice belongs according to the target invoice format image.
- the storage module 50 is also used to enter the image information of the current invoice into a storage area corresponding to the current invoice category and the region to which the current invoice belongs.
- This embodiment can identify invoices of the same invoice category and different regions, and enter the image information of the current invoice into the storage area corresponding to the current invoice category and the region to which the current invoice belongs.
- the method of the embodiment can be implemented by means of software plus a necessary general hardware platform, of course, it can also be implemented by hardware, but the former is a better implementation in many cases.
- the application s The essence of the technical solution or the part that contributes to the existing technology can be embodied in the form of a software product.
- the computer software product is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk).
- the disk includes several instructions to make a device (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) execute the method described in each embodiment of the present application.
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Abstract
Description
Claims (20)
- 一种发票录入方法,其中,所述方法包括:采集当前发票的图像信息;从所述图像信息中识别出所述当前发票的当前发票格式的特征点集合A;对图像库中的发票格式图像遍历,对遍历到的发票格式图像进行特征点采集,得到遍历到的发票格式图像的特征点集合X;将所述特征点集合A中的特征点与所述特征点集合X中的特征点进行比对;若比对结果相同,则将所述特征点集合X对应的发票格式图像作为与所述当前发票格式相匹配的目标发票格式图像;根据所述目标发票格式图像确定所述当前发票对应的当前发票类别;将所述当前发票的图像信息录入与所述当前发票类别对应的存储区域。
- 如权利要求1所述的方法,其中,所述采集当前发票的图像信息的步骤之后,包括:通过光学字符识别技术从所述图像信息中识别出所述当前发票的发票内容信息;所述将所述当前发票的图像信息录入与所述当前发票类别对应的存储区域的步骤,包括:将所述当前发票的图像信息和所述发票内容信息录入与所述当前发票类别对应的存储区域。
- 如权利要求2所述的方法,其中,所述采集当前发票的图像信息的步骤之后,包括:从所述当前发票的图像信息中读取图章图像,将所述图章图像与预设图章进行比较,在所述图章图像与所述预设图章相同时,判断所述当前发票为合格发票。
- 如权利要求2所述的方法,其中,所述通过光学字符识别技术从所述图像信息中识别出所述当前发票的当前发票格式和发票内容信息的步骤之后,包括:对本地网络与国家税务局服务器的连接状态进行检测,在检测结果为通讯状态时,从所述发票内容信息中读取当前发票编号;根据所述当前发票编号对所述国家税务局服务器的数据库进行遍历,在成功遍历到与所述当前发票编号相同的发票编号时,判断所述当前发票为合格发票。
- 如权利要求1所述的方法,其中,不同的发票格式图像对应不同的发票类别和发票所属地区;所述根据所述目标发票格式图像确定所述当前发票对应的当前发票类别的步骤,包括:根据所述目标发票格式图像确定所述当前发票对应的当前发票类别和当前发票所属地区;所述将所述当前发票的图像信息录入与所述当前发票类别对应的存储区域的步骤,包括:将所述当前发票的图像信息录入与所述当前发票类别以及所述当前发票所属地区对应的存储区域。
- 如权利要求1所述的方法,其中,所述发票内容信息至少包括发票编号、开票日期和交易信息。
- 一种发票录入装置,其中,所述装置包括:采集模块,用于采集当前发票的图像信息;识别模块,用于从所述图像信息中识别出所述当前发票的当前发票格式的特征点集合A;比较模块,用于对图像库中的发票格式图像遍历,对遍历到的发票格式图像进行特征点采集,得到遍历到的发票格式图像的特征点集合X;所述比较模块,还用于将所述特征点集合A中的特征点与所述特征点集合X中的特征点进行比对;所述比较模块,还用于若比对结果相同,则将所述特征点集合X对应的发票格式图像作为与所述当前发票格式相匹配的目标发票格式图像;获取模块,用于根据所述目标发票格式图像确定所述当前发票对应的当前发票类别;存储模块,用于将所述当前发票的图像信息录入与所述当前发票类别对应的存储区域。
- 如权利要求7所述的装置,其中,所述采集模块,还用于通过光学字符识别技术从所述图像信息中识别出所述当前发票的发票内容信息;所述存储模块,还用于将所述当前发票的图像信息和所述发票内容信息录入与所述当前发票类别对应的存储区域。
- 如权利要求8所述的装置,其中,所述比较模块,还用于从所述当前发票的图像信息中读取图章图像,将所述图章图像与预设图章进行比较,在所述图章图像与所述预设图章相同时,判断所述当前发票为合格发票。
- 如权利要求8所述的装置,其中,所述存储模块,还用于对本地网络与国家税务局服务器的连接状态进行检测,在检测结果为通讯状态时,从所述发票内容信息中读取当前发票编号;根据所述当前发票编号对所述国家税务局服务器的数据库进行遍历,在成功遍历到与所述当前发票编号相同的发票编号时,判断所述当前发票为合格发票。
- 一种用于发票录入的设备,其中,所述设备包括:摄像头、存储器、处理器及存储在所述存储器上并可在所述处理器上运行的计算机可读指令,其中所述计算机可读指令被所述处理器执行时,实现如下步骤;采集当前发票的图像信息;从所述图像信息中识别出所述当前发票的当前发票格式的特征点集合A;对图像库中的发票格式图像遍历,对遍历到的发票格式图像进行特征点采集,得到遍历到的发票格式图像的特征点集合X;将所述特征点集合A中的特征点与所述特征点集合X中的特征点进行比对;若比对结果相同,则将所述特征点集合X对应的发票格式图像作为与所述当前发票格式相匹配的目标发票格式图像;根据所述目标发票格式图像确定所述当前发票对应的当前发票类别;将所述当前发票的图像信息录入与所述当前发票类别对应的存储区域。
- 如权利要求11所述的设备,其中,所述所述采集当前发票的图像信息的步骤之后,包括:通过光学字符识别技术从所述图像信息中识别出所述当前发票的发票内容信息;所述将所述当前发票的图像信息录入与所述当前发票类别对应的存储区域的步骤,包括:将所述当前发票的图像信息和所述发票内容信息录入与所述当前发票类别对应的存储区域。
- 如权利要求12所述的设备,其中,所述采集当前发票的图像信息的步骤之后,包括:从所述当前发票的图像信息中读取图章图像,将所述图章图像与预设图章进行比较,在所述图章图像与所述预设图章相同时,判断所述当前发票为合格发票。
- 如权利要求12所述的设备,其中,所述通过光学字符识别技术从所述图像信息中识别出所述当前发票的当前发票格式和发票内容信息的步骤之后,包括:对本地网络与国家税务局服务器的连接状态进行检测,在检测结果为通讯状态时,从所述发票内容信息中读取当前发票编号;根据所述当前发票编号对所述国家税务局服务器的数据库进行遍历,在成功遍历到与所述当前发票编号相同的发票编号时,判断所述当前发票为合格发票。
- 如权利要求11所述的设备,其中,不同的发票格式图像对应不同的发票类别和发票所属地区;所述根据所述目标发票格式图像确定所述当前发票对应的当前发票类别的步骤,包括:根据所述目标发票格式图像确定所述当前发票对应的当前发票类别和当前发票所属地区;所述将所述当前发票的图像信息录入与所述当前发票类别对应的存储区域的步骤,包括:将所述当前发票的图像信息录入与所述当前发票类别以及所述当前发票所属地区对应的存储区域。
- 一种计算机存储介质,其中,所述计算机存储介质上存储有计算机可读指令,其中所述计算机可读指令被处理器执行时,实现如下步骤;采集当前发票的图像信息;从所述图像信息中识别出所述当前发票的当前发票格式的特征点集合A;对图像库中的发票格式图像遍历,对遍历到的发票格式图像进行特征点采集,得到遍历到的发票格式图像的特征点集合X;将所述特征点集合A中的特征点与所述特征点集合X中的特征点进行比对;若比对结果相同,则将所述特征点集合X对应的发票格式图像作为与所述当前发票格式相匹配的目标发票格式图像;根据所述目标发票格式图像确定所述当前发票对应的当前发票类别;将所述当前发票的图像信息录入与所述当前发票类别对应的存储区域。
- 如权利要求16所述的计算机可读存储介质,其中,所述采集当前发票的图像信息的步骤之后,包括:通过光学字符识别技术从所述图像信息中识别出所述当前发票的发票内容信息;所述将所述当前发票的图像信息录入与所述当前发票类别对应的存储区域的步骤,包括:将所述当前发票的图像信息和所述发票内容信息录入与所述当前发票类别对应的存储区域。
- 如权利要求17所述的计算机可读存储介质,其中,所述采集当前发票的图像信息的步骤之后,包括:从所述当前发票的图像信息中读取图章图像,将所述图章图像与预设图章进行比较,在所述图章图像与所述预设图章相同时,判断所述当前发票为合格发票。
- 如权利要求17所述的计算机可读存储介质,其中,所述通过光学字符识别技术从所述图像信息中识别出所述当前发票的当前发票格式和发票内容信息的步骤之后,包括:对本地网络与国家税务局服务器的连接状态进行检测,在检测结果为通讯状态时,从所述发票内容信息中读取当前发票编号;根据所述当前发票编号对所述国家税务局服务器的数据库进行遍历,在成功遍历到与所述当前发票编号相同的发票编号时,判断所述当前发票为合格发票。
- 如权利要求16所述的计算机可读存储介质,其中,不同的发票格式图像对应不同的发票类别和发票所属地区;所述根据所述目标发票格式图像确定所述当前发票对应的当前发票类别的步骤,包括:根据所述目标发票格式图像确定所述当前发票对应的当前发票类别和当前发票所属地区;所述将所述当前发票的图像信息录入与所述当前发票类别对应的存储区域的步骤,包括:将所述当前发票的图像信息录入与所述当前发票类别以及所述当前发票所属地区对应的存储区域。
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