CN111353611B - Nuclear power station in-service inspection large repair inspection report automatic generation system and method - Google Patents
Nuclear power station in-service inspection large repair inspection report automatic generation system and method Download PDFInfo
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Abstract
The invention relates to the technical field of nondestructive testing of nuclear power stations, and particularly discloses an automatic generation system and method for a large repair inspection report of in-service inspection of a nuclear power station. In the system, various nondestructive testing tasks are input through a task input module, after record sheet template information is formed, parameter matching is carried out in a record sheet generation module, and a record sheet file is formed by printing; the paper record sheet identification module identifies the paper record sheet file, and then transmits the paper record sheet file to the RDIF file generation module for information classification screening, and forms an RDIF file; and after the RDIF file verification module verifies the RDIF file information, a verification report is generated through a verification report generation module. The system and the method can realize standardization, dynamic parameterization and intellectualization of the on-site record list, classify, store and process various data required by compiling the inspection report, and improve the storage, searching and positioning efficiency of the service inspection result data.
Description
Technical Field
The invention belongs to the technical field of nondestructive testing of nuclear power stations, and particularly relates to an automatic generation system and method for a large repair inspection report of in-service inspection of a nuclear power station.
Background
In the inspection work of the nuclear power plant, the mainstream nondestructive inspection methods (ultrasonic/UT, visual/VT, permeation/PT, vortex/ET, magnetic powder/MT, ray/RT) have formed respective standardized report file templates, and the inspection result record file formed by each nondestructive inspection method includes "field record sheet", "inspection result sheet" and "inspection report sheet", and the inspection result report of each method includes these inspection result record files.
In the process of actually compiling an inspection report, a writer combines a plurality of finished inspection result record files into the inspection report as accessories/appendices of the inspection report after completing the content of the report text, all the files are manually compiled in a WORD format, and data required by on-site compiling the report are summarized by extracting relevant basic data from a plurality of paper on-site record documents and WORD documents by the constructor.
Disclosure of Invention
The invention aims to provide an automatic generation system and method for a nuclear power station in-service inspection large repair inspection report, which can automatically compile a site report, reduce the workload of inspection personnel and improve the working efficiency.
The technical scheme of the invention is as follows: the system comprises a task input module, a record list generation module, a paper record list identification module, an RDIF file generation module, an RDIF file verification module and a verification report generation module which are sequentially connected, wherein various nondestructive testing tasks are input through the task input module, record list template information is formed, and then parameter matching and printing are performed in the record list generation module to form a record list file; the paper record list identification module identifies the paper record list file and then transmits the paper record list file to the RDIF file generation module to carry out information classification screening, and an RDIF file is formed; and after the RDIF file verification module verifies the RDIF file information, a verification report is generated through a verification report generation module.
The RDIF file is an integrated data structure comprising a template vector V t Vector V of test object o Resource vector V for service inspection re Process vector V for service inspection p Result vector V of service inspection d Image vector V g And the header H is added before and after the vector RDIF And an end tag forming an RDIF file; the header H RDIF Size S containing the RDIF file RDIF Version V RDIF Number of records N RDIF The structure is H RDIF <S RDIF |V RDIF |N RDIF >。
The RDIF file generation module comprises a template vector data integration module, a test object vector data integration module, a service test resource vector data integration module, a service test process vector data integration module, a service test result vector data integration module and an image vector data integration module, wherein the template vector data integration module can traverse the information identified by the paper record list identification module, screen out needed basic information, project file information corresponding to the record list and test report template information, and integrate the screened information to form a template vector V of the RDIF file t The method comprises the steps of carrying out a first treatment on the surface of the The test object vector data integration module screens the nondestructive test object information and integrates the screened information into a test object vector V of the RDIF file o In (a) and (b); the service inspection resource vector data integration module screens the resource information and integrates the screened information into a service inspection resource vector V of the RDIF file re In (a) and (b); the service inspection process vector data integration module screens the service inspection process information and integrates the screened informationIn-service inspection process vector V of RDIF file p In (a) and (b); the service inspection result vector data integration module screens inspection result information in the record list acquired by identification and analysis and integrates the screened information into a service inspection result vector V of the RDIF file d In (a) and (b); the image vector data integration module integrates the scanned image into an image vector V of the RDIF file g Is a kind of medium.
The task input module comprises a nondestructive inspection task library and a recording sheet template library, wherein the nondestructive inspection task library comprises an in-service inspection task library and a conventional inspection task library, the recording sheet template library comprises a recording sheet parameter library and a recording sheet style library, single or multiple tasks can be selected from the in-service inspection task library and the conventional inspection task library in the task input module, a field recording sheet template matched with the tasks is formed by using the recording sheet template library, and verification of inspection object information in the recording sheet template is completed.
The recording list generation module comprises a technical parameter dynamic calculation module, a process parameter intelligent technology module and a printing module, wherein after the recording list template information formed by the task input module is input to the recording list generation module, the technical parameter dynamic calculation module carries out accurate matching on technical parameter information of detection equipment, tools, test blocks and probes on site according to the recording list template, the process parameter intelligent technology module is utilized to carry out process parameter matching on material and size information of a test object in the recording list, and the printing module is utilized to complete printing of an execution recording list file after calculation of each parameter.
The paper record list identification module comprises a scanning module, a service inspection data preprocessing module and an image identification module, wherein the scanning module can scan the paper record list which is generated by the record list generation module and is input by inspection result information, and the service inspection data preprocessing module is utilized to perform preprocessing such as image enhancement, image binarization, image gradient sharpening, inclination correction, character segmentation and the like; the preprocessed image is identified by an image identification module.
The RDIF file verification module comprises an RDIF automatic verification module and an RDIF manual verification module, which are connected with each other through a networkIn the RDIF automatic verification module, large repair inspection plan information, inspection object information and various service inspection process file information are built in, so that the integrity and accuracy of the RDIF intermediate file can be automatically verified, and technical parameters and process parameters substituted by a record single file can be automatically verified and calculated; vector V of loaded image by RDIF manual verification module g The original scan record of (c) is manually verified.
An automatic generation method of a nuclear power station in-service inspection major repair inspection report specifically comprises the following steps:
step 1.1, forming record single template information by using a task input module;
step 1.2, calculating technical parameters corresponding to tasks in the recorded single template information, and automatically matching the technical parameter values;
step 1.3, carrying out process parameter value matching according to the test object contained in the task, and returning the process parameter value to the corresponding position of the record list;
step 1.4, printing the record list file of the confirmed style and content;
step 2.1, carrying out optical scanning on the field record single file;
step 2.2, preprocessing the scanned image of the record list file;
step 2.3, identifying and analyzing the image file;
step 2.4, data information of the record list file is identified and acquired and is transmitted to the RDIF file generation module;
step 3.1, screening the basic information in the record list file and forming a template vector V of the RDIF file t ；
Step 3.2, screening the nondestructive testing object information in the record list file and forming the testing object vector of the RDIF fileV o ；
Step 3.3, screening the information of the inspector, the test block or the tool in the record list file, and forming a service inspection resource vector V of the RDIF file re ；
Step 3.4, screening the information of the implementation range of the service inspection, the quality plan information, the special plan information and the inspection procedure information in the record list file, and forming a service inspection resource vector V of the RDIF file p ；
Step 3.5, screening defect length and defect radius information in the checking result in the record list file, and forming a service checking result vector V of the RDIF file d ；
Step 3.6, integrating the scanned image into the image vector V of the RDIF file g ；
Step 3.7, at template vector V t Vector V of test object o Resource vector V for service inspection re Process vector V for service inspection p Result vector V of service inspection d Image vector V g Adding the header H back and forth RDIF And an end tag forming an RDIF intermediate file;
step 4.1, checking the integrity and the accuracy of the contents of the RDIF file;
step 4.2, automatically verifying the technical parameters and the technological parameters substituted by the record file;
step 4.3, carrying out manual information comparison and verification by loading an original scanning image in the image vector;
step 5.1, traversing RDIF file information and checking an RDIF header file;
traversing all records in the RDIF file, comparing file information in the file header, and feeding back error reminding if errors are found after comparison;
step 5.2, analyzing the information of each vector in the RDIF file and matching the information in the inspection report template;
and 5.3, generating a test report.
The step 2.2 of preprocessing the scanned image of the record list file comprises the following steps:
2.2.1, enhancing the contrast of the on-site recording sheet by using an image gray stretching mode;
2.2.2, selecting a binarization threshold value by using a dynamic threshold value method to divide characters and a background of the record list file;
2.2.3, enhancing the edge or outline of the character graph by utilizing high-pass filtering, and improving the character definition;
2.2.4, carrying out rotation correction on the direction inclination and the angle inclination generated by the scanned image based on a Hough transformation method;
step 2.2.5, uniformly adjusting the height and width of each text box of the record list to ensure that the character sizes are uniform;
2.2.6, carrying out character accurate segmentation by utilizing a character connected domain method;
and 2.2.7, generating an image file.
The specific steps of the step 2.3 of identifying and analyzing the image file are as follows:
step 2.3.1, identifying technical parameters and technological parameters which are automatically calculated or substituted after calculation;
and 2.3.2, recognizing the handwritten numbers and English characters in the preprocessed output image by utilizing a BP neural network algorithm.
The invention has the remarkable effects that: the automatic generation system and the method for the in-service inspection overhaul inspection report of the nuclear power station can realize standardization, dynamic parametrization and intellectualization of the field record list, solve the problems of numerous field detection equipment, tools, test blocks and probes, field technical parameter conditions and uncertainty of inspection objects and complex field process parameter calculation/selection logic, and greatly improve the recognition rate and recognition precision of the paper field record list. And the RDIF file is utilized to store and process various data required by compiling the inspection report in a classified manner, so that the storage, searching and positioning efficiency of the service inspection result data is improved.
Drawings
FIG. 1 is a schematic diagram of an automatic generation system of in-service inspection and repair inspection reports of a nuclear power plant;
in the figure: 1. a task input module; 2. a record list generation module; 3. a paper record sheet identification module; 4. an RDIF file generation module; 5. an RDIF file verification module; 6. and a test report generation module.
Detailed Description
The invention will be described in further detail with reference to the accompanying drawings and specific examples.
As shown in fig. 1, an automatic generation system of in-service inspection large repair inspection reports of a nuclear power plant comprises a task input module 1, a record list generation module 2, a paper record list identification module 3, an RDIF file generation module 4, an RDIF file verification module 5 and an inspection report generation module 6, wherein the task input module 1 is connected with the record list generation module 2, various nondestructive inspection tasks are input through the task input module 1, after record list template information is formed, parameter matching is carried out in the record list generation module 2, and an execution record list file of a final printing version is formed; the task input module 1 comprises a nondestructive inspection task library and a recording sheet template library, wherein the nondestructive inspection task library comprises an in-service inspection task library and a conventional inspection task library, the recording sheet template library comprises a recording sheet parameter library and a recording sheet style library, a single or multiple tasks can be selected from the in-service inspection task library and the conventional inspection task library in the task input module 1, a field recording sheet template matched with the tasks is formed by using the recording sheet template library, and confirmation of inspection object information in the recording sheet template is completed at the same time, wherein the recording sheet template comprises parameter information and style information;
the recording sheet generation module 2 comprises a technical parameter dynamic calculation module, a process parameter intelligent technical module and a printing module, wherein after the recording sheet template information formed by the task input module 1 is input into the recording sheet generation module 2, the technical parameter dynamic calculation module carries out accurate matching on technical parameter information of detection equipment, tools, test blocks and probes on site according to the recording sheet template, the process parameter intelligent technical module is utilized to carry out process parameter matching on material and size information of a test object in the recording sheet, and the printing module is utilized to complete printing of an execution recording sheet file after calculation of each parameter, wherein the process parameter intelligent technical module is internally provided with rule standards, test programs, process card rule information and preset algorithms;
the paper record list identification module 3 is connected with the record list generation module 2, and is used for identifying the paper execution record list file formed by the record list generation module 2 and then transmitting the identified paper execution record list file to the RDIF file generation module 4 to generate RDIF (Recording Data Integrated File) intermediate file for recording integrated data; the paper record list identification module 3 comprises a scanning module, a service inspection data preprocessing module and an image identification module, wherein the scanning module can scan the paper record list which is generated by the record list generation module 2 and is input by inspection result information, and the service inspection data preprocessing module is utilized to perform preprocessing such as image enhancement, image binarization, image gradient sharpening, inclination correction, character segmentation and the like; the preprocessed image is identified through an image identification module, and the identified information is transmitted to an RDIF file generation module 4 for further information processing;
the RDIF file generation module 4 comprises a template vector data integration module, a test object vector data integration module, a service inspection resource vector data integration module, a service inspection process vector data integration module, a service inspection result vector data integration module and an image vector data integration module, wherein the template vector data integration module can traverse the information identified by the paper record list identification module 3, screen out the needed basic information, the engineering file information corresponding to the record list, the inspection report template and other information, and integrate the screened information to form a template vector V of the RDIF file t Wherein the template vector V t The method comprises a recording list number, a type, a power plant code, a machine set number, a major repair number, a nondestructive testing method type, a generation date and other basic information sets U b And project file information set U corresponding to record list p Information set U of inspection report template t Etc. with structure V t <U b |U p |U t >The method comprises the steps of carrying out a first treatment on the surface of the The detection object vector data integration module screens the nondestructive detection object information and screens the screened informationCheck object vector V integrated in RDIF file o Wherein the object vector V is checked o Comprising record list-corresponding information of non-destructive inspection objects (welds, bends, etc.), e.g. object-coding information set O i Method of inspection information set O m Inspection cycle information set O p Etc. with structure V o <O i |O m |O p >The method comprises the steps of carrying out a first treatment on the surface of the The service inspection resource vector data integration module screens the resource information and integrates the screened information into a service inspection resource vector V of the RDIF file re Wherein, the resource vector V is checked in service re Including inspector information, test block/tool information; the service inspection process vector data integration module screens the service inspection process information and integrates the screened information into a service inspection process vector V of the RDIF file p Wherein, the service inspection process vector V p The method comprises the steps of performing range information, quality plan information, special plan information and inspection procedure information; the service inspection result vector data integration module screens inspection result information in the record list acquired by identification and analysis, and integrates the screened information into a service inspection result vector V of the RDIF file d Wherein, the service inspection result vector V d Identifying the input inspection result information such as defect length, defect radius and other detailed information in the analyzed record list; the image vector data integration module integrates the scanned image into the image vector V of the RDIF file g Wherein the image vector V g The method comprises the steps of obtaining an original image of a record sheet by a scanning device; RDIF file generation module 4 generates a template vector V t Vector V of test object o Resource vector V for service inspection re Process vector V for service inspection p Result vector V of service inspection d Image vector V g Adding the header H back and forth RDIF And an end mark forming an RDIF intermediate file, wherein the header H RDIF The size S of the RDIF file is given RDIF Version V RDIF Number of records N RDIF Equal data, structure H RDIF <S RDIF |V RDIF |N RDIF >。
The RDIF file verification module 5 is connected with the RDIF file generation module 4Carrying out integrity and accuracy check on contents contained in the generated RDIF intermediate file; the RDIF file verification module 5 comprises an RDIF automatic verification module and an RDIF manual verification module, wherein the RDIF automatic verification module is internally provided with large repair inspection plan information, inspection object information and various service inspection process file information, and can automatically verify the integrity and the accuracy of an RDIF intermediate file and automatically verify and calculate technical parameters and technological parameters substituted by a record single file; vector V of loaded image by RDIF manual verification module g The original scan record of (c) is manually verified.
The checking report generating module 6 is connected with the RDIF file checking module 5, carries out information cataloging on the RDIF file with checked contents, extracts information in each vector of the RDIF, and generates a checking report; the test report generating module 6 comprises an RDIF file record traversing module, an RDIF file processing module, a WORD file generating module and a PDF file generating module, wherein the RDIF file record traversing module traverses all records in the RDIF file and compares file information in a file header, and if errors are found after the comparison, an error reminder is fed back; if the comparison is correct, analyzing each vector in the RDIF file by using the RDIF file processing module, extracting information in each vector into the inspection report template, completing text content generation, report form generation and result form generation, and forming inspection reports of WORD and PDF file versions by using the WORD file generation module and the PDF file generation module.
An automatic generation method of a nuclear power station in-service inspection major repair inspection report specifically comprises the following steps:
step 1.1, forming record single template information by using a task input module;
task input module is from nondestructive test task library C t Selected nondestructive inspection task T i (i is a non-destructive inspection task type code) while from a record single template library C r Automatic return and task T i Matched record list parameter set U c Record list style set U m U is set up c And U m Encapsulation into selected nondestructive inspection task T i After that, transfer T i To a record list generating module;
step 1.2, calculating technical parameters corresponding to tasks in the recorded single template information, and automatically matching the technical parameter values;
the record list generating module receives the nondestructive test task T i Then, the technical parameter dynamic calculation sub-module calculates the task T i The corresponding technical parameters of the record list are dynamically calculated, wherein the technical parameters comprise information such as the name/number of the detection equipment, the name/number of the tool, the name/number of the test block, the model/number of the probe and the like, and a technical parameter dynamic calculation sub-module is used for calculating the technical parameters according to the task T i Record list style set U contained in m Automatically determining the matched technical parameter value and returning the technical parameter value to the corresponding position of the record list;
step 1.3, carrying out process parameter value matching according to the test object contained in the task, and returning the process parameter value to the corresponding position of the record list;
task T by using intelligent calculation module of technological parameters i Intelligent calculation is carried out on corresponding recording sheet process parameters, wherein the process parameters comprise information such as a transillumination mode, a film model, an effective evaluation length, exposure time and the like; the intelligent process parameter calculation module is internally provided with rule information such as rule standards, inspection programs, process cards and the like and a preset algorithm, and simultaneously, the intelligent process parameter calculation module is used for calculating the process parameters according to the task T i Matching the technological parameter values of the information such as the material, the size and the like of the inspection object contained in the information, and returning the technological parameter values to the corresponding positions of the record list;
step 1.4, printing the record list file of the confirmed style and content;
step 2.1, carrying out optical scanning on the field record single file;
step 2.2, preprocessing the scanned image of the record list file;
2.2.1, enhancing the contrast of the on-site recording sheet by using an image gray stretching mode;
2.2.2, selecting a binarization threshold value by using a dynamic threshold value method to divide characters and a background of the record list file;
2.2.3, enhancing the edge or outline of the character graph by utilizing high-pass filtering, and improving the character definition;
2.2.4, carrying out rotation correction on the direction inclination and the angle inclination generated by the scanned image based on a Hough transformation method;
step 2.2.5, uniformly adjusting the height and width of each text box of the record list to ensure that the character sizes are uniform;
2.2.6, carrying out character accurate segmentation by utilizing a character connected domain method;
2.2.7, generating an image file;
step 2.3, identifying and analyzing the image file;
step 2.3.1, identifying technical parameters and technological parameters which are automatically calculated or substituted after calculation;
step 2.3.2, recognizing handwritten numbers and English characters in the preprocessed output image by utilizing a BP neural network algorithm;
step 2.4, data information of the record list file is identified and acquired and is transmitted to the RDIF file generation module;
step 3.1, screening the basic information in the record list file and forming a template vector V of the RDIF file t ；
Traversing the information in the received record list file, screening the record list basic information, and comprising the following steps: information such as record list number, record list type, power plant code, machine group number, overhaul code, nondestructive testing method type, record list generation date and the like, and integrating the screened information to form a template vector V of an RDIF file t ；
Step 3.2, screening the nondestructive test object information in the record list file and forming a test object vector V of the RDIF file o ；
Screening record list corresponding nondestructive test object (weld joint,Elbow, etc.) information, such as an object code information set, a test method information set, a test period information set, and integrating the screened information to form a test object vector V of the RDIF file o ；
Step 3.3, screening the information of the inspector, the test block or the tool in the record list file, and forming a service inspection resource vector V of the RDIF file re ；
Step 3.4, screening the information of the implementation range of the service inspection, the quality plan information, the special plan information and the inspection procedure information in the record list file, and forming a service inspection resource vector V of the RDIF file p ；
Step 3.5, screening defect length and defect radius information in the checking result in the record list file, and forming a service checking result vector V of the RDIF file d ；
Step 3.6, integrating the scanned image into the image vector V of the RDIF file g ；
Step 3.7, at template vector V t Vector V of test object o Resource vector V for service inspection re Process vector V for service inspection p Result vector V of service inspection d Image vector V g Adding the header H back and forth RDIF And an end tag forming an RDIF intermediate file;
step 4.1, checking the integrity and the accuracy of the contents of the RDIF file;
utilizing the large repair inspection plan information, inspection object information and various service inspection process file information to carry out integrity and accuracy check on related contents in the RDIF file;
step 4.2, automatically verifying the technical parameters and the technological parameters substituted by the record file;
step 4.3, carrying out manual information comparison and verification by loading an original scanning image in the image vector;
step 5.1, traversing RDIF file information and checking an RDIF header file;
traversing all records in the RDIF file, comparing file information in the file header, and feeding back error reminding if errors are found after comparison;
step 5.2, analyzing the information of each vector in the RDIF file and matching the information in the inspection report template;
step 5.3, generating a test report;
and generating a verification report of the WORD file and the PDF file version.
Claims (8)
1. An automatic generation system of a nuclear power station in-service inspection major repair inspection report is characterized in that: the system comprises a task input module (1), a record list generation module (2), a paper record list identification module (3), an RDIF file generation module (4), an RDIF file verification module (5) and an inspection report generation module (6) which are sequentially connected, wherein various nondestructive inspection tasks are input through the task input module (1), record list template information is formed, and then parameter matching and printing are carried out in the record list generation module (2) to form a record list file; the paper record list identification module (3) identifies the paper record list file, and then transmits the paper record list file to the RDIF file generation module for information classification and screening, and forms an RDIF file; the RDIF file verification module (5) verifies the RDIF file information and then generates a verification report through the verification report generation module (6); the RDIF file is an integrated data structure comprising a template vector V t Vector V of test object o Resource vector V for service inspection re Process vector V for service inspection p Result vector V of service inspection d Image vector V g And the header H is added before and after the vector RDIF And an end tag forming an RDIF file; the header H RDIF Size S containing the RDIF file RDIF Version V RDIF Number of records N RDIF The structure is H RDIF <S RDIF |V RDIF |N RDIF >The method comprises the steps of carrying out a first treatment on the surface of the The RDIF file generation module (4) comprises a template vector data integration module, a test object vector data integration module, a service test resource vector data integration module, a service test process vector data integration module and a service test resultThe template vector data integration module can traverse the information identified by the paper record list identification module (3), screen out the needed basic information and the engineering file information corresponding to the record list, check the report template information, and integrate the screened information to form the template vector V of the RDIF file t The method comprises the steps of carrying out a first treatment on the surface of the The test object vector data integration module screens the nondestructive test object information and integrates the screened information into a test object vector V of the RDIF file o In (a) and (b); the service inspection resource vector data integration module screens the resource information and integrates the screened information into a service inspection resource vector V of the RDIF file re In (a) and (b); the service inspection process vector data integration module screens the service inspection process information and integrates the screened information into a service inspection process vector V of an RDIF file p In (a) and (b); the service inspection result vector data integration module screens inspection result information in the record list acquired by identification and analysis and integrates the screened information into a service inspection result vector V of the RDIF file d In (a) and (b); the image vector data integration module integrates the scanned image into an image vector V of the RDIF file g Is a kind of medium.
2. An automated nuclear power plant in-service inspection overhaul report generation system as recited in claim 1, wherein: the task input module (1) comprises a nondestructive testing task library and a recording list template library, wherein the nondestructive testing task library comprises an in-service testing task library and a conventional testing task library, the recording list template library comprises a recording list parameter library and a recording list style library, a single or multiple tasks can be selected from the in-service testing task library and the conventional testing task library in the task input module (1), a field recording list template matched with the tasks is formed by utilizing the recording list template library, and meanwhile, verification of test object information in the recording list template is completed.
3. An automated nuclear power plant in-service inspection overhaul report generation system as recited in claim 1, wherein: the recording list generation module (2) comprises a technical parameter dynamic calculation module, a process parameter intelligent technical module and a printing module, wherein after the recording list template information formed by the task input module (1) is input into the recording list generation module (2), the technical parameter dynamic calculation module carries out accurate matching on technical parameter information of detection equipment, tools, test blocks and probes on site according to the recording list template, the process parameter intelligent technical module is utilized to carry out process parameter matching on material and size information of an inspection object in a recording list, and the printing module is utilized to complete printing of an execution recording list file after calculation of each parameter.
4. An automated nuclear power plant in-service inspection overhaul report generation system as recited in claim 1, wherein: the paper record list identification module (3) comprises a scanning module, a service inspection data preprocessing module and an image identification module, wherein the scanning module can scan the paper record list which is generated by the record list generation module (2) and is input by inspection result information, and the service inspection data preprocessing module is utilized for carrying out image enhancement, image binarization, image gradient sharpening, inclination correction and text segmentation preprocessing; the preprocessed image is identified by an image identification module.
5. An automated nuclear power plant in-service inspection overhaul report generation system as recited in claim 1, wherein: the RDIF file verification module (5) comprises an RDIF automatic verification module and an RDIF manual verification module, wherein the RDIF automatic verification module is internally provided with large repair inspection plan information, inspection object information and various service inspection process file information, and can automatically verify the integrity and the accuracy of an RDIF intermediate file and automatically verify and calculate technical parameters and technological parameters substituted by a record single file; vector V of loaded image by RDIF manual verification module g The original scan record of (c) is manually verified.
6. An automatic generation method of a nuclear power station in-service inspection major repair inspection report specifically comprises the following steps:
step 1, automatically generating a nuclear power station in-service inspection overhaul record list file;
step 1.1, forming record single template information by using a task input module;
step 1.2, calculating technical parameters corresponding to tasks in the recorded single template information, and automatically matching the technical parameter values;
step 1.3, carrying out process parameter value matching according to the test object contained in the task, and returning the process parameter value to the corresponding position of the record list;
step 1.4, printing the record list file of the confirmed style and content;
step 2, identifying and analyzing the record list file;
step 2.1, carrying out optical scanning on the field record single file;
step 2.2, preprocessing the scanned image of the record list file;
step 2.3, identifying and analyzing the image file;
step 2.4, data information of the record list file is identified and acquired and is transmitted to the RDIF file generation module;
step 3, traversing the data information in the received record list file, and forming an RDIF intermediate file;
step 3.1, screening the basic information in the record list file and forming a template vector V of the RDIF file t ；
Step 3.2, screening the nondestructive test object information in the record list file and forming a test object vector V of the RDIF file o ；
Step 3.3, screening the information of the inspector, the test block or the tool in the record list file, and forming a service inspection resource vector V of the RDIF file re ；
Step 3.4, screening the information of the implementation range of the service inspection, the quality plan information, the special plan information and the inspection procedure information in the record list file, and forming a service inspection resource vector V of the RDIF file p ；
Step 3.5, screening defect length and defect radius information in the checking result in the record list file, and forming RDIF fileIs the result vector V of the in-service inspection d ；
Step 3.6, integrating the scanned image into the image vector V of the RDIF file g ；
Step 3.7, at template vector V t Vector V of test object o Resource vector V for service inspection re Process vector V for service inspection p Result vector V of service inspection d Image vector V g Adding the header H back and forth RDIF And an end tag forming an RDIF intermediate file;
step 4, checking the generated RDIF file;
step 4.1, checking the integrity and the accuracy of the contents of the RDIF file;
step 4.2, automatically verifying the technical parameters and the technological parameters substituted by the record file;
step 4.3, carrying out manual information comparison and verification by loading an original scanning image in the image vector;
step 5, generating a test report;
step 5.1, traversing RDIF file information and checking an RDIF header file;
traversing all records in the RDIF file, comparing file information in the file header, and feeding back error reminding if errors are found after comparison;
step 5.2, analyzing the information of each vector in the RDIF file and matching the information in the inspection report template;
and 5.3, generating a test report.
7. The automatic generation method of the nuclear power station in-service inspection overhaul inspection report, as claimed in claim 6, is characterized in that: the step 2.2 of preprocessing the scanned image of the record list file comprises the following steps:
2.2.1, enhancing the contrast of the on-site recording sheet by using an image gray stretching mode;
2.2.2, selecting a binarization threshold value by using a dynamic threshold value method to divide characters and a background of the record list file;
2.2.3, enhancing the edge or outline of the character graph by utilizing high-pass filtering, and improving the character definition;
2.2.4, carrying out rotation correction on the direction inclination and the angle inclination generated by the scanned image based on a Hough transformation method;
step 2.2.5, uniformly adjusting the height and width of each text box of the record list to ensure that the character sizes are uniform;
2.2.6, carrying out character accurate segmentation by utilizing a character connected domain method;
and 2.2.7, generating an image file.
8. The automatic generation method of the nuclear power station in-service inspection overhaul inspection report, as claimed in claim 6, is characterized in that: the specific steps of the step 2.3 of identifying and analyzing the image file are as follows:
step 2.3.1, identifying technical parameters and technological parameters which are automatically calculated or substituted after calculation;
and 2.3.2, recognizing the handwritten numbers and English characters in the preprocessed output image by utilizing a BP neural network algorithm.
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