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An intelligent identification method for dangerous rock masses on high slopes with UAV

A technology of intelligent identification and unmanned aerial vehicles, applied in the field of image processing, can solve the problems of insufficient research on automatic identification of dangerous rock mass, and achieve the effect of safety evaluation

Active Publication Date: 2022-05-20
CHANGJIANG SURVEY TECH RES INST MIN OF WATER RESOURCES
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Problems solved by technology

[0005] The technical problem to be solved by the present invention is that the existing research on automatic identification of dangerous rock mass is insufficient

Method used

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  • An intelligent identification method for dangerous rock masses on high slopes with UAV
  • An intelligent identification method for dangerous rock masses on high slopes with UAV
  • An intelligent identification method for dangerous rock masses on high slopes with UAV

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Embodiment Construction

[0047] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0048] An intelligent identification method for dangerous rock masses on high slopes with drones, such as figure 1 shown, including the following steps:

[0049] Ⅰ. After arriving at the site, survey the site conditions first, determine the measurement range, mark and build the drone route, and draw the route to exceed the measurement range....

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Abstract

The present invention relates to an intelligent identification method for dangerous rock mass of high slope by UAV, and relates to the technical field of image processing, including the following steps: constructing the route of UAV, and taking photos of dangerous rock mass of high slope by UAV flight, from left to Right, shooting from top to bottom; Import the photos taken by the drone into the computer and obtain the point cloud data of the dangerous rock mass; preprocess the point cloud data to reduce the amount of data and smooth the point cloud, and then use the seed point filter Algorithm or pseudo-slope filtering algorithm to extract ground point cloud from denoising point cloud; use clustering algorithm to classify each boundary point cloud and perform three-dimensional reconstruction on the clustered point cloud to generate DEM, and extract dangerous rock mass objects through screening rules , the invention has the advantages of efficient, automatic and accurate extraction of isolated dangerous rock data.

Description

technical field [0001] The invention relates to the technical field of image processing, in particular to an intelligent identification method for dangerous rock masses of high slopes by drones. Background technique [0002] Dangerous rock refers to an unstable rock mass cut by multiple groups of rock mass structural planes and located on steep slopes or cliffs. For the isolated dangerous rock mass on the surface of high slopes, its external form usually appears as a raised block, with a more obvious external edge in high slopes. In order to evaluate the stability of dangerous rock mass, the traditional way is to rely on manual contact measurement, which has the problems of low work efficiency, high risk, and is greatly restricted by terrain conditions and field environment. Obviously, the automatic identification of dangerous rock mass based on the 3D model of the slope can effectively solve this problem. This technology can provide a complete set of solutions from non-con...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06V20/17G06V10/762G06T5/00E02D33/00
CPCY02A10/40
Inventor 夏金梧陈娜王小波张晋李书朱云法史超聂峰
Owner CHANGJIANG SURVEY TECH RES INST MIN OF WATER RESOURCES
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