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Quick construction method for three-dimensional space of device during intelligent patrol of petrochemical enterprise

An intelligent inspection and three-dimensional space technology, applied in 3D modeling, image data processing, instruments, etc., can solve the problems of inaccurate personnel positioning and heavy workload, and achieve improved modeling accuracy, easy operation, and low efficiency Effect

Active Publication Date: 2017-11-03
CHINA PETROLEUM & CHEM CORP +1
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AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is the problem of inaccurate personnel positioning and heavy workload in the prior art. It provides a new rapid construction method for three-dimensional space of the device in the intelligent inspection of petrochemical enterprises

Method used

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  • Quick construction method for three-dimensional space of device during intelligent patrol of petrochemical enterprise
  • Quick construction method for three-dimensional space of device during intelligent patrol of petrochemical enterprise

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Embodiment 1

[0022] A method for quickly constructing three-dimensional space of equipment in petrochemical enterprise intelligent inspection, such as figure 1 shown.

[0023] 1. The overall technical method.

[0024] (1) Recover the sparse 3D point cloud and camera calibration of the petrochemical plant scene from the preprocessed video sequence;

[0025] (2) Integrating the spatial relationship grammar constraint library of the multi-source data extraction device components;

[0026] (3) In the equipment model library, integrate the realistic lighting rendering algorithm, focus on extracting and analyzing the feature point information and distribution rules of the preset petrochemical equipment model or image, and realize the image semantic matching of the reference equipment;

[0027] (4) Analyze the contextual shape grammar of non-equipment models such as pipe racks, pipe galleries, and pipelines of complex devices based on the underlying visual features, remove noise and extract vec...

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Abstract

The invention relates to a quick construction method for a three-dimensional space of a device during intelligent patrol of a petrochemical enterprise and mainly aims to solve the problems that personnel positioning is inaccurate and workload is large in the prior art. By the adoption of the quick construction method for the three-dimensional space of the device during intelligent patrol of the petrochemical enterprise, equipment information with remarkable local characteristics in key frames is extracted in combination with a petrochemical equipment three-dimensional model base, benchmark component identification and position matching are realized, design grammar of the petrochemical device is learned, training is performed to generate a component spatial relation grammar constraint base, spatial arrangement information of complicated pipelines is extracted, identification information of valves and a constraint relation between the valves are utilized to correct a reconstructed three-dimensional, and finally quick reconstruction of the petrochemical device is realized. Through the technical scheme, the problems are well solved, and the method can be applied to intelligent patrol of the petrochemical enterprise.

Description

technical field [0001] The invention relates to a method for quickly constructing a three-dimensional space of a device in an intelligent patrol inspection of a petrochemical enterprise. Background technique [0002] The petrochemical industry plays an important role in the development of China's national economy and is one of China's pillar industries. With the improvement of comprehensive automation of petrochemical enterprises and the rapid development of computer information technology, the use of 3D technology for information presentation and human-computer interaction of petrochemical enterprises' multi-level business processes has become one of the construction goals of petrochemical "smart factories". The petrochemical enterprise intelligent inspection system is one of the core modules of the "smart factory" construction. Intelligent inspection can effectively ensure the safe production of the petrochemical industry. The application of 3D technology provides new way...

Claims

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Application Information

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IPC IPC(8): G06T17/00
CPCG06T17/00
Inventor 王春李磊刘刚李智临张嘉亮史承伟毛文锋
Owner CHINA PETROLEUM & CHEM CORP
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