CN112257396A - Mobile phone end auxiliary form filling method based on artificial intelligence technology - Google Patents

Mobile phone end auxiliary form filling method based on artificial intelligence technology Download PDF

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Publication number
CN112257396A
CN112257396A CN202011123348.1A CN202011123348A CN112257396A CN 112257396 A CN112257396 A CN 112257396A CN 202011123348 A CN202011123348 A CN 202011123348A CN 112257396 A CN112257396 A CN 112257396A
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filling
information
user
template
technology
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张科林
张瑞
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Inspur Cloud Information Technology Co Ltd
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Inspur Cloud Information Technology Co Ltd
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F40/00Handling natural language data
    • G06F40/10Text processing
    • G06F40/166Editing, e.g. inserting or deleting
    • G06F40/174Form filling; Merging
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/30Authentication, i.e. establishing the identity or authorisation of security principals
    • G06F21/31User authentication
    • G06F21/32User authentication using biometric data, e.g. fingerprints, iris scans or voiceprints
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00Arrangements for image or video recognition or understanding
    • G06V10/70Arrangements for image or video recognition or understanding using pattern recognition or machine learning
    • G06V10/74Image or video pattern matching; Proximity measures in feature spaces
    • G06V10/75Organisation of the matching processes, e.g. simultaneous or sequential comparisons of image or video features; Coarse-fine approaches, e.g. multi-scale approaches; using context analysis; Selection of dictionaries
    • G06V10/751Comparing pixel values or logical combinations thereof, or feature values having positional relevance, e.g. template matching
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10Character recognition
    • G06V30/14Image acquisition
    • G06V30/148Segmentation of character regions
    • G06V30/153Segmentation of character regions using recognition of characters or words
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/40Document-oriented image-based pattern recognition
    • G06V30/41Analysis of document content
    • G06V30/412Layout analysis of documents structured with printed lines or input boxes, e.g. business forms or tables
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00Network architectures or network communication protocols for network security
    • H04L63/04Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
    • H04L63/0428Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10Character recognition

Abstract

The invention provides a mobile phone end auxiliary form filling method based on an artificial intelligence technology, which belongs to the technical field of government affair service informatization application. The intelligent assistance is provided for filling the form for the office worker at the mobile phone end, the office efficiency is improved, and the office experience of the office worker is improved.

Description

Mobile phone end auxiliary form filling method based on artificial intelligence technology
Technical Field
The invention relates to a government affair service informatization application technology, in particular to a mobile phone end auxiliary form filling method based on an artificial intelligence technology.
Background
With the development of informatization of government affair services, various governments and committees do a lot of effective work in the aspects of reducing affair services, times, materials and time and the like, but a plurality of affair workers still need to manually fill in a form during affair handling, and the work workers have certain information which is unknown and need to be specially inquired during form filling; some form items do not know how to fill, and have the problems of repeated correction and the like.
Disclosure of Invention
In order to solve the technical problems, the invention provides a mobile phone end auxiliary form filling method based on an artificial intelligence technology, which improves the form handling efficiency and improves the work handling experience of a form handling person by providing intelligent assistance for form filling of the form handling person at a mobile phone end, and can be widely applied to various government affair service mobile end channels.
The technical scheme of the invention is as follows:
a handset end auxiliary form filling method based on artificial intelligence technology,
1) recognizing the table type and the table characters based on an OCR technology;
2) by building a form template base, a form filling rule base and a user information base, data support is provided for form identification, form filling rule association and information intelligent filling;
3) based on a data encryption technology, uploading data for a user;
4) and authenticating the user identity through a face recognition technology and a fingerprint recognition technology.
Further, in the above-mentioned case,
building a form template base and a form filling rule base based on the MySQL database; various forms to be filled in by an individual and a legal person during work are stored in a form template library, and each form template has a corresponding form filling rule in a form filling rule library; the filling rules are the contents to be filled in the form cells and the rules to be noticed when filling.
Building a user information base based on the MySQL database;
the user information comprises name, identification card number, age, address, gender, ethnicity, contact mode, effective certificate picture, enterprise name, enterprise tax number, business license and enterprise address; the user information is uploaded and maintained by the user according to the self requirement, stored in the database and encrypted.
The base image intelligent identification technology is used for identifying the certificates of individuals and enterprises and reading information;
by means of the intelligent image identification technology, the personal and enterprise licenses are identified intelligently, the license pictures are processed, and structured data information is generated automatically.
Based on OCR technology, form characters are recognized and converted into an electronic form.
The OCR technology may recognize the form and convert to an electronic form by the following flow:
inputting a form image: intelligent recognition and identification are carried out, firstly, a form to be identified is collected, a smart phone photographing function is called through software (government affair service APP or small programs), and the form is placed in a form identification area to be photographed to finish image input;
form image preprocessing: the process comprises binarization, namely setting the gray value of pixel points on a form image to be 0 or 255, namely, the whole image presents obvious visual effect only including black and white, denoising and gradient correction;
analyzing the layout: segmenting and processing the form to be identified in lines;
character cutting: at the moment, character positioning and character cutting are needed, the boundary of the character string is positioned, then the character string is cut individually, and the characters which are cut individually are identified;
extracting character features: extracting character features and providing basis for later recognition;
character recognition: carrying out template rough classification and template fine matching on the feature vector extracted from the current character and a feature template library to identify the character;
and (3) page reversion: arranging the recognition result according to the original layout, outputting an electronic form and preparing for intelligent filling of information;
and (4) post-processing correction, namely performing a correction algorithm on the recognition result according to the relation of the specific language context.
Based on the intelligent data filling technology, corresponding information is filled into corresponding forms
Based on the data intelligent filling technology, the form template and the form filling rule are combined, and the form is displayed in the form of an electronic form at a mobile phone end, so that assistance is provided for a person handling the form to fill in the form.
The display content comprises form filling information and form filling notice;
and (4) prompting form filling information: the information items uploaded by the user are intelligently filled in the form, so that form filling information assistance is provided for the user;
prompting the form filling rule: information not in the information base is given fill rule tips in the item form cells in the blue (R0; G0; B255) font.
If a special notice is given in the filling of a certain cell, if an address needs to be specified to a house number, a special prompt is given in the cell in a red font.
In a still further aspect of the present invention,
the implementation steps are as follows:
firstly, individual and enterprise users upload individual and enterprise information, encrypt the information based on an encryption technology, store the information in a user information base and provide data support for intelligent filling of the information;
secondly, the administrator uploads the form template, sets a form filling rule, maintains the form template library and the form filling rule library and provides basic support for form filling assistance;
when the individual and enterprise users need to fill in the form during handling, the mobile phone photographing function is called by using software (government affair service APP or applet) through the embedded intelligent auxiliary application for filling in the form, and the form to be filled in is photographed;
fourthly, based on the OCR technology, recognizing and extracting characters in the form picture, typesetting the recognition result according to the original layout, and outputting an electronic form;
matching the electronic form with form templates in a form template library to identify a template corresponding to the form;
matching corresponding form filling rules based on the matched form template after face recognition or fingerprint recognition, associating information uploaded by a user based on the form filling rules, and intelligently filling the form;
and seventhly, providing a reminding of the form filling rule for the form unit items without user information.
The invention has the advantages that
1. The form filling efficiency of the user is improved, and the affair handling experience of government affairs service is improved. By the method, the personal information and the enterprise information of the user can be integrated, the read electronic form is intelligently filled at the mobile phone end when the user fills the form, and the user only needs to 'fill the form according to the form', so that the link of inquiring the information is omitted; for table unit items without information, the method can give a prompt for the filling rule, improve the accuracy of filling the table for the user, and avoid repeated modification, thereby improving the table filling efficiency for the user and improving the government affair service handling experience of the user.
2. Easy popularization, easy application and high cost performance. The method realizes direct application in the existing government affair service APP and the small program through the SDK embedding mode, can avoid the cost of repeatedly downloading the APP by a user, and has the characteristics of easy popularization and easy application.
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FIG. 1 is a schematic workflow diagram of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer and more complete, the technical solutions in the embodiments of the present invention will be described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention, and based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the scope of the present invention.
The invention relates to a mobile phone end auxiliary form filling method based on an artificial intelligence technology, which comprises the following steps
1. The invention realizes the recognition of the form type and the form characters based on the OCR technology.
OCR (Optical Character Recognition) refers to a process in which an electronic device (e.g., a smartphone in the present method) checks a Character printed on paper, determines its shape by detecting dark and light patterns, and then translates the shape into a computer text by a Character Recognition method; the method is characterized in that characters in a paper document are converted into an image file with a black-white dot matrix in an optical mode aiming at print characters, and the characters in the image are converted into a text format through recognition software for further editing and processing by word processing software.
2. The method and the system provide data support for form identification, form filling rule association and information intelligent filling by building a form template base, a form filling rule base and a user information base.
3. The invention is based on the domestic data encryption technology and uploads data for users. The cryptographic algorithm SM4 is a block cipher algorithm, the block length is 128 bits, and the key length is 128 bits. Both the encryption algorithm and the key expansion algorithm adopt 32-round nonlinear iteration structures. The decryption algorithm is the same as the encryption algorithm in the mechanism, except that the round keys are used in the reverse order, and the decryption round keys are the reverse order of the encryption round keys. The SM4 cryptographic algorithm has the advantages of safety and high efficiency.
4. The invention authenticates the user identity through a face recognition technology, a fingerprint recognition technology and the like so as to ensure that the user information is operated by the user when being called, and the leakage of the user information is avoided.
Technical application
The method comprises the following steps of firstly, building a form template base and a form filling rule base based on a MySQL database.
MySQL is a relational database management system that keeps data in different tables instead of putting all the data in one large repository, which increases speed and flexibility.
Various forms to be filled in by an individual and a legal person during work are stored in a form template library, and each form template has a corresponding form filling rule in a form filling rule library. The form filling rules are contents to be filled in the form cells and rules to be noticed during filling, such as the lengths of the identity card number and the mobile phone number, address information rules and the like, and provide basis for intelligent information filling and form verification.
The form template library and the form filling rules are continuously and dynamically updated based on government affair service business optimization and department business change, and the intelligent auxiliary form filling method is more accurate along with the increase of the form templates and the form filling rules.
And secondly, building a user information base based on the MySQL database.
The user information comprises name, identification card number, age, address, gender, ethnicity, contact mode, effective identification picture, enterprise name, enterprise tax number, business license, enterprise address, etc. The user information is uploaded and maintained by the user according to the self requirement, stored in the database and encrypted. When the user uses the method to fill in forms in an auxiliary way, the information can be intelligently displayed in the corresponding form unit, and information assistance is provided for filling in forms by the user.
And thirdly, identifying the certificates of individuals and enterprises based on an image intelligent identification technology, and reading information.
The method can be used for carrying out standardized processing on the license picture, automatically generating structured data information and preparing source data for the maintenance of user information and the intelligent filling of forms.
Image recognition techniques may be based on the main features of the image. Each image has its features such as the letter a having a tip, P having a circle, and the center of Y having an acute angle, etc. The study of eye movement in image recognition shows that the sight line is always focused on the main features of the image, namely, the places where the curvature of the contour of the image is maximum or the direction of the contour changes suddenly, and the information content of the places is maximum. And the scan path of the eye always goes from one feature to another in turn. Therefore, in the image recognition process, the perception mechanism must exclude the input redundant information and extract the key information. At the same time, there must be a mechanism in the brain that is responsible for integrating information, which can organize the information obtained in stages into a complete perceptual map.
In a human image recognition system, complex images are often recognized through different levels of information processing. For a familiar figure, it is recognized as a unit by grasping its main features, and its details are not paid attention to. Such an integral unit composed of isolated unit material is called a block, each of which is sensed simultaneously. In the recognition of the character material, people can not only form the units of strokes or components of a Chinese character into a block, but also can recognize the frequently-occurring characters or phrases into block units.
And fourthly, recognizing the form characters based on the OCR technology and converting the form characters into the electronic form.
The OCR technology may recognize the form and convert to an electronic form by the following flow:
Figure BDA0002732793780000071
inputting a form image: the intelligent recognition and identification are carried out, the form to be identified is collected in the first step, the smart phone photographing function is called through a government affair service APP or a small program, and the form is placed in a form identification area to be photographed so as to complete the input of images.
Figure BDA0002732793780000072
Form image preprocessing: the process comprises binarization (the gray value of a pixel point on a form image is set to be 0 or 255, namely the whole image presents an obvious visual effect only including black and white), denoising, gradient correction and the like.
Figure BDA0002732793780000073
Analyzing the layout: and (5) segmenting and processing the form to be identified in lines.
Figure BDA0002732793780000074
Character cutting: at the moment, character positioning and character cutting are needed, the boundary of the character string is positioned, then the character string is cut individually, and the characters which are cut individually are identified.
Figure BDA0002732793780000075
Extracting character features: and extracting character features to provide basis for later recognition.
Figure BDA0002732793780000076
Character recognition: and carrying out template rough classification and template fine matching on the feature vector extracted from the current character and a feature template library to identify the character.
Figure BDA0002732793780000077
And (3) page reversion: and (4) arranging the recognition results according to the original layout, outputting an electronic form and preparing for intelligent filling of information.
Figure BDA0002732793780000078
And (4) post-processing correction, namely performing a correction algorithm on the recognition result according to the relation of the specific language context.
Based on data intelligent filling technique, filling relevant information into relevant form
Based on the data intelligent filling technology, the form template and the form filling rule are combined, and the form is displayed in the form of an electronic form at a mobile phone end, so that assistance is provided for a person handling the form to fill in the form. The display content comprises form filling information and form filling notice.
And (4) prompting form filling information: information items uploaded by a user, such as names, addresses, contact ways, enterprise names, enterprise taxpayer identification numbers and the like, are intelligently filled in the form, and form filling information assistance is provided for the user;
prompting the form filling rule: information not available in the information base, filling rule tips are given in the form cells in blue (R0; G0; B255);
and (4) special reminding: if a special notice is given in the filling of a certain cell, if an address needs to be specified to a house number, a special prompt is given in the cell in a red font.
Sixthly, based on the SM4 cryptographic algorithm data encryption technology, the stored and transmitted data are encrypted
And the personal and enterprise data uploaded by the user are encrypted by using an encryption algorithm, so that data leakage is prevented.
The cryptographic algorithm SM4 is a block cipher algorithm, the block length is 128 bits, and the key length is 128 bits. Both the encryption algorithm and the key expansion algorithm adopt 32-round nonlinear iteration structures. The decryption algorithm is the same as the encryption algorithm in the mechanism, except that the round keys are used in the reverse order, and the decryption round keys are the reverse order of the encryption round keys.
The SM4 cryptographic algorithm has the characteristics of safety and high efficiency, and has the following advantages in the aspects of design and implementation:
Figure BDA0002732793780000081
resource reuse is achieved in design, and the key expansion is similar to the encryption process.
Figure BDA0002732793780000082
The encryption and decryption processes are the same, but the sequence of the round keys is just opposite, so that the method is not only suitable for software programming implementation, but also suitable for hardware chip implementation.
Figure BDA0002732793780000083
The module for round conversion comprises an exclusive OR operation, an S box with 8bit input and 8bit output, and a linear permutation with 32bit input, and is very suitable for the realization of a 32-bit processor.
And the identity of the user is verified based on the face verification technology and the fingerprint identification technology, so that the information leakage of the user is avoided.
When a user needs to call user information during form filling, the user needs to pass identity verification again, and then the information in the user information base can be called to carry out intelligent filling on the form, so that the user information is prevented from being leaked. In the patent, the identity verification of the user is realized by purchasing mature face recognition and fingerprint recognition products in the market.
The invention mainly provides an intelligent auxiliary method for filling in forms for users during government affair service application, can be widely applied to scenes that individuals and enterprises need to fill in forms during government affair service application, and can provide form filling information and form filling method assistance for form makers to fill in paper forms and electronic forms.
The invention has the following implementation steps:
firstly, individual and enterprise users upload individual and enterprise information, encrypt the information based on a domestic encryption technology, store the information in a user information base and provide data support for intelligent information filling;
secondly, the administrator uploads the form template, sets a form filling rule, maintains the form template library and the form filling rule library and provides basic support for form filling assistance;
when the work piece needs to be filled, the individual and enterprise users use the government affair service APP or the applet, call the mobile phone photographing function through the embedded intelligent auxiliary application for filling, and photograph the form to be filled;
fourthly, based on the OCR technology, recognizing and extracting characters in the form picture, and outputting an electronic form according to the recognition result arranged according to the original layout;
matching the electronic form with form templates in a form template library to identify a template corresponding to the form;
matching corresponding form filling rules based on the matched form template after face recognition or fingerprint recognition, associating information uploaded by a user based on the form filling rules, and intelligently filling the form;
and seventhly, providing a reminding of the form filling rule for the form unit items without user information.
The method is used for quickly identifying the paper form based on the OCR technology, identifying the form type and matching the form filling rule through the form template library and the form filling rule library, and associating with the user information to realize intelligent filling of the form and prompt of the filling rule.
Based on the SDK embedding form, the method can realize quick deployment and application on the existing government affair service APP and the small programs, and has the characteristics of easy popularization and application.
The user information base, the form template base and the form filling rule base are built, the form identification accuracy and the information filling accuracy can be improved, and the form filling efficiency and the form filling accuracy can be continuously optimized through continuous improvement of the form template base and the form filling rule base.
The personal and enterprise information uploaded by the user is encrypted, and when the form is filled by calling the user information, the user information is verified through face verification or fingerprint verification to ensure the safety of the user information.
And providing a form filling method and information assistance for the office at the mobile phone end. By means of SDK embedding, deployment and application on existing government affair service APP and applets can be achieved rapidly, and the method has the advantages of being easy to popularize, low in cost and the like.
The form filling method can be widely applied to the scenes that individuals and enterprises need to fill forms in the government affairs service affairs, and can provide form filling information and form filling method assistance for the office workers to fill in paper forms and electronic forms.
The above description is only a preferred embodiment of the present invention, and is only used to illustrate the technical solutions of the present invention, and not to limit the protection scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.

Claims (10)

1. A mobile phone end auxiliary form filling method based on artificial intelligence technology is characterized in that,
1) recognizing the table type and the table characters based on an OCR technology;
2) by building a form template base, a form filling rule base and a user information base, data support is provided for form identification, form filling rule association and information intelligent filling;
3) based on a data encryption technology, uploading data for a user;
4) and authenticating the user identity through a face recognition technology and a fingerprint recognition technology.
2. The method of claim 1,
building a form template base and a form filling rule base based on the MySQL database; various forms to be filled in by an individual and a legal person during work are stored in a form template library, and each form template has a corresponding form filling rule in a form filling rule library; the filling rules are the contents to be filled in the form cells and the rules to be noticed when filling.
3. The method of claim 2,
building a user information base based on the MySQL database;
the user information comprises name, identification card number, age, address, gender, ethnicity, contact mode, effective certificate picture, enterprise name, enterprise tax number, business license and enterprise address; the user information is uploaded and maintained by the user according to the self requirement, stored in the database and encrypted.
4. The method of claim 3,
the base image intelligent identification technology is used for identifying the certificates of individuals and enterprises and reading information;
by means of the intelligent image identification technology, the personal and enterprise licenses are identified intelligently, the license pictures are processed, and structured data information is generated automatically.
5. The method of claim 4,
based on OCR technology, form characters are recognized and converted into an electronic form.
6. The method of claim 5,
the OCR technology may recognize the form and convert to an electronic form by the following flow:
inputting a form image: carrying out intelligent recognition, collecting a form to be recognized, calling a photographing function of the smart phone through software, placing the form in a form recognition area, and photographing to complete image input;
form image preprocessing: the process comprises binarization, namely setting the gray value of pixel points on a form image to be 0 or 255, namely, the whole image presents obvious visual effect only including black and white, denoising and gradient correction;
analyzing the layout: segmenting and processing the form to be identified in lines;
character cutting: at the moment, character positioning and character cutting are needed, the boundary of the character string is positioned, then the character string is cut individually, and the characters which are cut individually are identified;
extracting character features: extracting character features and providing basis for later recognition;
character recognition: carrying out template rough classification and template fine matching on the feature vector extracted from the current character and a feature template library to identify the character;
and (3) page reversion: arranging the recognition result according to the original layout, outputting an electronic form and preparing for intelligent filling of information;
and (4) post-processing correction, namely performing a correction algorithm on the recognition result according to the relation of the specific language context.
7. The method of claim 6,
based on the intelligent data filling technology, corresponding information is filled into corresponding forms
Based on the data intelligent filling technology, the form template and the form filling rule are combined, and the form is displayed in the form of an electronic form at a mobile phone end, so that assistance is provided for a person handling the form to fill in the form.
8. The method of claim 7,
the display content comprises form filling information and form filling notice;
and (4) prompting form filling information: the information items uploaded by the user are intelligently filled in the form, so that form filling information assistance is provided for the user;
prompting the form filling rule: information not in the information base is given fill rule tips in the item form cells in the blue (R0; G0; B255) font.
9. The method of claim 8,
if a special notice is given in the filling of a certain cell, if an address needs to be specified to a house number, a special prompt is given in the cell in a red font.
10. The method of claim 8,
the implementation steps are as follows:
firstly, individual and enterprise users upload individual and enterprise information, encrypt the information based on an encryption technology, store the information in a user information base and provide data support for intelligent filling of the information;
secondly, the administrator uploads the form template, sets a form filling rule, maintains the form template library and the form filling rule library and provides basic support for form filling assistance;
when the individual and enterprise users need to fill in the form during handling, the software is used, and the mobile phone photographing function is called through the embedded intelligent auxiliary form filling application to photograph the form to be filled in;
fourthly, based on the OCR technology, recognizing and extracting characters in the form picture, and outputting an electronic form according to the recognition result arranged according to the original layout;
matching the electronic form with form templates in a form template library to identify a template corresponding to the form;
matching corresponding form filling rules based on the matched form template after face recognition or fingerprint recognition, associating information uploaded by a user based on the form filling rules, and intelligently filling the form;
and seventhly, providing a reminding of the form filling rule for the form unit items without user information.
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