Key technique of three-dimensional laser scanning in deformation monitoring

Abstract

The invention relates to the technical field of three-dimensional laser scanning, and specifically, relates to a key technique of three-dimensional laser scanning in deformation monitoring. The key technique comprises a three-dimensional laser scanner measurement general step: deformation detection articles are scanned and measured through a three-dimensional laser scanner, data measured and scanned by the three-dimensional laser scanner is transmitted to processing software for processing, 3D modeling is carried out on the scanned data through the processing software, and data comparison is carried out through 3D modeling models formed in different periods; and a three-dimensional laser scanner measurement specific step. The beneficial effects of the invention are that the technique can achieve denoising of the point cloud data through the cyclon5.8 software, data volume is reduced, the data processing speed is increased, the working efficiency of the three-dimensional laser scanner is improved, and the data can be quickly, continuously and automatically acquired; the precision is high, the density is high, the efficiency is high, and the cost is low; and a three-dimensional datamodel for real description production is improved, and locality and one-sidedness caused by data-based analysis are effectively avoided.

Description

technical field [0001] The invention relates to the technical field of three-dimensional laser scanning, in particular to the key technology of three-dimensional laser scanning in deformation monitoring. Background technique [0002] Three-dimensional laser scanning technology is a high-tech recently developed in the world. With the wide application of 3D laser scanners in the engineering field, this technology has attracted the attention of many researchers. Through the principle of laser ranging (including pulsed laser and phase laser), the measuring instrument that instantaneously measures the three-dimensional coordinate value of space, and the space point cloud data obtained by using three-dimensional laser scanning technology, can quickly establish three-dimensional visualization of complex and irregular scenes. Model, saving time and effort, this ability is unmatched by the current 3D modeling software submission. [0003] Application number CN201510894464.6 propose...

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Problems solved by technology

[0005] The purpose of the present invention is to provide the key technology of three-dimensional laser scanning in deformation monitoring, so as to solve the problem in the above-mentioned background technology that although it is possible to create a 3D model of the deformation monitoring object, it cannot effectively denoise the point cloud data. It leads to an increase in the amount of data, which reduces the data processing speed, and reduces the work efficiency of the 3D laser scanner. The advantages of efficiency and low cost can not describe the 3D data model produced relatively well, resulting in localized and one-sided problems caused by data-based analysis

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