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A laser-based house measurement and wall flatness detection method

A detection method and flatness technology, applied in the field of surveying and mapping, can solve the problems of unsatisfactory detection results, heavy detection method workload, low precision, etc., and achieve the effect of convenient calculation, simple operation and accurate results

Active Publication Date: 2022-07-05
GUANGDONG UNIV OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The domestic traditional method is contact detection. If the height of the house is too high or the wall area is too large, the workload of the traditional detection method will be heavy, resulting in low efficiency and high cost. Not high, resulting in unsatisfactory test results

Method used

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  • A laser-based house measurement and wall flatness detection method
  • A laser-based house measurement and wall flatness detection method
  • A laser-based house measurement and wall flatness detection method

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Embodiment Construction

[0074] Below in conjunction with specific embodiment, the present invention will be further described:

[0075] like figure 1 As shown, a laser-based house measurement and wall flatness detection method described in the embodiment of the present invention includes the following steps:

[0076] S1. Place lidar equipment in the house to be tested;

[0077] S2. Scan the house to be tested based on the laser;

[0078] S3. Perform laser point cloud data coordinate conversion and data processing;

[0079] The specific process of this step is as follows:

[0080] S3-1. Since the data packets encapsulated by the lidar device are only the horizontal rotation angle and distance parameters, the angle and distance information in polar coordinates are converted into x, y, and z coordinates in the Cartesian coordinate system, such as figure 2 As shown, the conversion relation is:

[0081]

[0082] In formula (1), r is the measured distance, ω is the vertical angle of the laser, α i...

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Abstract

The invention discloses a laser-based house measurement and wall flatness detection method, comprising the following steps: S1, placing laser radar equipment in the house to be tested; S2, scanning the house to be tested based on the laser; S3, performing Laser point cloud data coordinate conversion and data processing; S4, perform boundary extraction on the processed laser point cloud data; S5, read each outline information of the house to be tested, and calculate each size of the house; and combine the boundary extraction results to carry out boundary outline extraction. Plane detection, dividing uneven areas; S6, outputting house size and flatness division results. The invention has the advantages of high detection efficiency, low detection cost and high detection accuracy.

Description

technical field [0001] The invention relates to the technical field of surveying and mapping, in particular to a laser-based house measurement and wall flatness detection method. Background technique [0002] With the continuous development of the economy, modern people have higher and higher requirements for house decoration. In the decoration, the measurement of the house and the detection of the flatness of the wall are an essential part. The traditional method in China is contact detection. If the height of the house is too high or the wall area is too large, the traditional detection method will have a large workload, resulting in low efficiency and high cost. is not high, resulting in unsatisfactory test results. SUMMARY OF THE INVENTION [0003] The purpose of the present invention is to provide a laser-based house measurement and wall flatness detection method with high detection efficiency, low detection cost and high detection accuracy. [0004] For achieving ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01B11/24G01B11/30G01B11/00
CPCG01B11/24G01B11/30G01B11/00
Inventor 刘建圻赵建国杨俊威王炯楠
Owner GUANGDONG UNIV OF TECH