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Power line extraction method and system based on cloth simulation algorithm

A technology of cloth simulation and extraction method, which is applied in the direction of radio wave measurement system, calculation, measurement of electricity, etc., can solve the problem of inaccurate detection results of power lines, and achieve the effect of solving inaccurate detection results and improving accuracy

Pending Publication Date: 2020-10-30
HENAN INST OF ENG
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Problems solved by technology

[0008] The purpose of the present invention is to provide a power line extraction method and system based on cloth simulation algorithm to solve the problem of inaccurate power line detection results in the prior art

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  • Power line extraction method and system based on cloth simulation algorithm
  • Power line extraction method and system based on cloth simulation algorithm
  • Power line extraction method and system based on cloth simulation algorithm

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Embodiment Construction

[0042] The purpose of the present invention is to provide a power line extraction method and system based on cloth simulation algorithm to solve the problem of inaccurate detection results of power lines in the prior art.

[0043] Method example:

[0044] A power line extraction method based on cloth simulation algorithm provided in this embodiment, its process is as follows figure 1 shown, including the following steps:

[0045] Step 1: Obtain the lidar point cloud and preprocess it to obtain the power line points.

[0046] The method for preprocessing the obtained lidar point cloud includes the following sub-steps:

[0047] 1.1: Use the cloth simulation filter algorithm to filter the lidar point cloud, filter out the ground points, and get the non-ground points;

[0048] 1.2: Classify the non-ground points in the lidar point cloud, identify the power line points in it, get the power line points in it, and calculate the minimum distance and average distance from each point...

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Abstract

The invention provides a power line extraction method and system based on a cloth simulation algorithm. The extraction method comprises the following steps: obtaining a laser point cloud of a laser radar, and extracting a power line point in the laser point cloud; setting the size of a cloth grid, and projecting cloth particles and power line points in the laser radar point cloud to the same plane, wherein in the plane, each laser radar point corresponds to one cloth particle point; calculating the displacement of the lower distribution particle point under the action of gravity and internal force to obtain a power line point in a set elevation range; and fitting a straight line in a plane coordinate system, and extracting each power line from the power line points in the set elevation range. According to the technical scheme provided by the invention, the problem of inaccurate power line detection results in the prior art can be solved.

Description

technical field [0001] The invention belongs to the technical field of power line extraction, and in particular relates to a power line extraction method and system based on a cloth simulation algorithm. Background technique [0002] In order to ensure the safety and reliability of the power supply and distribution system, it is necessary to inspect its power supply lines to observe whether the power supply lines are disconnected or whether the power lines are stolen. The power line inspection methods include manual inspection method and intelligent inspection method. The manual inspection method is performed by inspectors along the power line. This method is not only costly and inefficient, but also limited by the terrain. Many The power lines in the area cannot be manually inspected. [0003] The intelligent inspection method is to conduct inspections with the help of drones or laser radars, that is, to obtain images of power lines through drones or laser radars, and then...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F30/25G06K9/00G06K9/62G06T5/00G01R31/08G01R31/54G01R31/58G01S17/89
CPCG06F30/25G01S17/89G01R31/085G01R31/088G01R31/54G01R31/58G06V20/13G06F18/24G06T5/70Y04S10/50
Inventor 王果王松果
Owner HENAN INST OF ENG
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