CN-121998889-A - Reactor detection image data processing method and system based on 3D scanning

Abstract

The invention relates to the technical field of image data processing, in particular to a method and a system for processing reactor detection image data based on 3D scanning. The technical scheme includes that a 3D scanner is used for scanning the surface of a building to obtain three-dimensional point cloud data of the surface of the building, the scanning data are filtered to obtain three-dimensional coordinate data files of the surface of the building, all collected data points are contained in the three-dimensional coordinate data files, the data points in the three-dimensional coordinate data files are integrated and analyzed, detection data points are extracted, a detection data point set is obtained through integration, detection data points in the detection data point set are called to construct a three-dimensional model of the building, and the constructed three-dimensional model of the building is smoothed. The method has the advantages that the distribution extraction coefficients and the characteristic extraction coefficients of the data points in each square are obtained through distribution calculation, the comprehensive extraction coefficients are calculated in an integrated mode, and the extraction proportion of the data points in each square is calculated based on the comprehensive extraction coefficients.

Inventors

• Yu Yinxia

Assignees

• 扬州工业职业技术学院

Dates

Publication Date

20260508

Application Date

20241105

Claims (3)

1. 1. A method for processing reactor detection image data based on 3D scanning is characterized by scanning a building surface by using a 3D scanner to obtain three-dimensional point cloud data of the building surface, filtering the scanned data to obtain a three-dimensional coordinate data file of the building surface, wherein all collected data points are contained in the three-dimensional coordinate data file, carrying out integrated analysis on the data points in the three-dimensional coordinate data file and extracting detection data points to integrate and obtain a detection data point set, calling the detection data points in the detection data point set to construct a building three-dimensional model, carrying out smooth processing on the constructed building three-dimensional model to eliminate saw-tooth uneven phenomenon of the surface, identifying a crack area of the building surface by using an image processing technology, dividing the identified crack area from surrounding normal surfaces to form independent crack objects and extracting geometric characteristic parameters of cracks, carrying out integrated analysis on the data points in the three-dimensional coordinate data file to extract detection data points, obtaining a two-dimensional data point distribution map by distributing all data points in the three-dimensional coordinate data file on the two-dimensional plane area, calling the two-dimensional data points into a plurality of data points according to a preset length, carrying out smooth processing on the detection data points in the three-dimensional coordinate data point distribution map, comparing the depth with a current depth of a current data point database, and comparing the depth of the data points with a current depth of a current data point database if the depth of the data point is not equal to a depth of a current data point is compared with a depth of a current data database, and comparing the depth of the current data point with a depth of a current data point of a depth database if the depth of the data point is the depth of a depth data is the depth of a depth standard is the depth standard, and comparing with depth data of a depth data is different, and repeatedly calling all data points in the square, and finally obtaining the depth coordinate difference quantity corresponding to the current square.
2. 2. The method for processing the reactor detection image data based on the 3D scanning is characterized by further comprising the steps of carrying out validity analysis on the extracted detection data points before the three-dimensional model of the building is built by taking the data points processed in the characteristic data point set, wherein the validity analysis is carried out on the extracted detection data points specifically comprises the steps of acquiring a detection point cloud formed by the detection data points and acquiring an original point cloud by a scanner, extracting the characteristic data points from the original point cloud and the detection point cloud respectively by using an ISS algorithm, carrying out matching processing on the characteristic data points in the detection point cloud and the characteristic data points in the original point cloud, and collecting the matching quantity and the matching mean value of the characteristic data points in the detection point cloud for carrying out validity evaluation analysis by association and integration.
3. 3. The reactor detection image data processing system based on 3D scanning of claim 1 is characterized by comprising a scanning acquisition unit, an information processing module, an integration extraction module, a model construction module and an image processing module, wherein the scanning acquisition unit is used for scanning a building surface to acquire three-dimensional point cloud data of the building surface, the information processing module is used for conducting filtering denoising processing on the three-dimensional point cloud data, the integration extraction module is used for conducting integration analysis on the three-dimensional point cloud data and extracting detection data points and integrating the detection data points to acquire a detection data point set, the model construction module is used for retrieving the detection data points in the detection data point set to construct a three-dimensional building model, the image processing module is used for identifying a crack area of the building surface, dividing the identified crack area from surrounding normal surfaces to form independent crack objects and extracting geometric characteristic parameters of cracks.

Description

Reactor detection image data processing method and system based on 3D scanning Technical Field The invention relates to the technical field of image data processing, in particular to a method and a system for processing reactor detection image data based on 3D scanning. Background In order to relieve environmental protection pressure, environmental protection and equipment upgrading and reconstruction are performed on a stockyard in an iron area, and the environmental protection, upgrading and reconstruction of the stockyard are considered to match with the matching setting of the iron capacity planning scale. Meanwhile, aiming at the current situation that the control area of the raw material system is distributed, the information sharing degree is low, the intelligent level is low, the environmental protection of the raw material yard and the upgrading and transformation of equipment are required to be considered, the intelligent level is improved by adopting four measures of full-automatic flow control, a digital operation model, unmanned piling and taking operation and online inventory management, the production efficiency and the management level are improved, and the production cost is reduced. The method comprises the steps of carrying out ground laser scanning on a target building to obtain high-precision three-dimensional point cloud data, carrying out point cloud data screening on the high-precision three-dimensional point cloud data to obtain a wall point cloud data set and a non-wall point cloud data set, carrying out triangular irregular network data construction on the wall point cloud data set to obtain a triangular irregular network data set, converting the triangular irregular network data set into grating surface data through an inverse distance weighting algorithm, carrying out crack feature extraction on the grating surface data through a shape recognition algorithm to obtain a crack feature data set, and then carrying out construction on a three-dimensional model of the building through the point cloud data. In order to solve the problems in the prior art, a company newly designs a reactor detection image data processing method and system based on 3D scanning, and the technical problems in the prior art can be solved. Disclosure of Invention The invention aims to provide a 3D scanning-based reactor detection image data processing method and system, which are used for acquiring a distribution extraction coefficient and a feature extraction coefficient of data points in each square through distribution calculation, integrating and calculating a comprehensive extraction coefficient, calculating a data point extraction proportion in each square based on the comprehensive extraction coefficient, and realizing the associated integration extraction from two dimensions of data point distribution and data point geometric feature richness when detecting data points are extracted from original data points in each square, so that the extracted detection data points can cover a scanner to acquire a distribution area of original point cloud, avoid the occurrence of too dense or too sparse areas, influence the expression of integral geometric features, effectively maintain the geometric features of the original point cloud, reduce the complexity of subsequent calculation, simultaneously maintain the geometric features and the overall shape of the point cloud, and improve the accuracy of subsequent crack detection. The technical scheme of the invention is as follows: A method for processing reactor detection image data based on 3D scanning is characterized by scanning a building surface by using a 3D scanner to obtain three-dimensional point cloud data of the building surface, filtering the scanned data to obtain a three-dimensional coordinate data file of the building surface, wherein all collected data points are contained in the three-dimensional coordinate data file, carrying out integrated analysis on the data points in the three-dimensional coordinate data file and extracting detection data points to integrate and obtain a detection data point set, calling the detection data points in the detection data point set to construct a building three-dimensional model, carrying out smooth processing on the constructed building three-dimensional model to eliminate saw-tooth uneven phenomenon of the surface, identifying a crack area of the building surface by using an image processing technology, dividing the identified crack area from surrounding normal surfaces to form independent crack objects and extracting geometric characteristic parameters of cracks, carrying out integrated analysis on the data points in the three-dimensional coordinate data file to extract detection data points, obtaining a two-dimensional data point distribution map by distributing all data points in the three-dimensional coordinate data file on the two-dimensional plane area, calling the two-dimensional data points into a plurali