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Rock mass structural plane recognition and information extraction method based on three-dimensional laser scanning

A technology of information extraction and three-dimensional laser, applied in character and pattern recognition, image data processing, instruments, etc., can solve problems such as low work efficiency

Active Publication Date: 2021-03-19
CHENGDU UNIVERSITY OF TECHNOLOGY
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Problems solved by technology

This method can obtain the occurrence of the structural plane more accurately, but the manual fitting of the structural plane is largely affected by subjective factors, and the work efficiency is low

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  • Rock mass structural plane recognition and information extraction method based on three-dimensional laser scanning
  • Rock mass structural plane recognition and information extraction method based on three-dimensional laser scanning
  • Rock mass structural plane recognition and information extraction method based on three-dimensional laser scanning

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Embodiment Construction

[0078] The specific embodiments of the present invention are described below so that those skilled in the art can understand the present invention, but it should be clear that the present invention is not limited to the scope of the specific embodiments. For those of ordinary skill in the art, as long as various changes Within the spirit and scope of the present invention defined and determined by the appended claims, these changes are obvious, and all inventions and creations using the concept of the present invention are included in the protection list.

[0079] Embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0080] Such as figure 1 As shown, a method for identification and information extraction of rock mass discontinuities based on 3D laser scanning includes the following steps:

[0081] S1. Collect rock mass point cloud data, and calculate the normal vector of the point cloud data, and obtain the pri...

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Abstract

The invention discloses a rock mass structural plane recognition and information extraction method based on three-dimensional laser scanning, and the method comprises the following steps: collecting rock mass point cloud data, calculating the normal vector of the point cloud data, and obtaining a primary processing point cloud; performing HSV color space coloring on the point cloud along the direction of the normal vector to obtain a secondary processing point cloud; clustering and grouping the obtained secondary processing point clouds by adopting a spherical k-means clustering algorithm to obtain a clustering plane and obtain a rock mass structural plane recognition result; and extracting occurrence, spacing and ductility information of the rock mass structural plane to obtain information of the rock mass structural plane. According to the method, the rock mass structural plane can be accurately recognized, the information of the structural plane is extracted, the algorithm is constructed to recognize the structural plane, the problem that errors are likely to occur in the manual recognition process is avoided, and the recognition precision and the recognition efficiency are high.

Description

technical field [0001] The invention belongs to the field of identification of rock mass structural planes, and in particular relates to a rock mass structural plane identification and information extraction method based on three-dimensional laser scanning. Background technique [0002] The identification of rock mass discontinuity plane is the basis of rock mass structure information extraction, and whether the discontinuity plane can be accurately identified is related to the integrity and reliability of rock mass structure analysis. The primary goal of rock mass structural analysis is to find out the structural planes that control the development of rock mass. The traditional on-site survey method of structural planes is manual measurement, that is, using a geological compass to measure the orientation information of structural planes such as direction, inclination, and inclination. This method is suitable for the structural surfaces that people can touch. The measureme...

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Application Information

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IPC IPC(8): G06T7/00G06T7/11G06T7/90G06K9/62
CPCG06T7/0004G06T7/11G06T7/90G06T2207/10028G06T2207/10024G06T2207/30132G06F18/23213
Inventor 董秀军许强宁浩郭晨巨袁臻孙涛
Owner CHENGDU UNIVERSITY OF TECHNOLOGY
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