Power transmission line external damage prevention early warning method based on image processing and binocular stereo distance measurement

A power transmission line and binocular stereo technology, which is applied in image data processing, distance measurement, image analysis, etc., to achieve the effects of reducing visual blind spots, improving accuracy, and enhancing real-time performance

Active Publication Date: 2019-10-18
SOUTH CHINA UNIV OF TECH
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AI Technical Summary

Problems solved by technology

[0005]Aiming at the problems existing in the current transmission line anti-breakage method, the present invention provides a transmission line anti-breakage early warning method based on image processing and binocular stereo ranging

Method used

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  • Power transmission line external damage prevention early warning method based on image processing and binocular stereo distance measurement
  • Power transmission line external damage prevention early warning method based on image processing and binocular stereo distance measurement
  • Power transmission line external damage prevention early warning method based on image processing and binocular stereo distance measurement

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Embodiment Construction

[0053] The present invention will be further described in detail through specific embodiments below, but the embodiments of the present invention are not limited thereto.

[0054] An early warning method for preventing external breakage of transmission lines based on image processing and binocular stereo ranging, such as Figure 1-4 shown, including:

[0055] S1. Obtain all transmission lines in the background image based on the Hough line detection method.

[0056] Specifically, such as figure 2 shown, including:

[0057] S11. Collect a background image.

[0058] Two cameras are fixed horizontally on the tower at a position 1m higher than the transmission line, and the background images bg1 and bg2 containing the transmission line are collected respectively through the two cameras.

[0059] S12. Obtain all straight line clusters in the image based on the Hough line detection method.

[0060] Grayscale the images bg1 and bg2 to obtain bg1_gray and bg2_gray, and perform C...

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Abstract

The invention belongs to the field of image processing and power transmission line monitoring, and relates to a power transmission line external damage prevention method based on image processing andbinocular stereo distance measurement. The power transmission line external damage prevention method comprises the steps: obtaining all power transmission lines in a background image based on a Houghstraight line detection method; identifying the lazy arm based on a moving target detection method, and obtaining the lazy arm; obtaining a real distance between the power transmission line and the suspension arm based on binocular stereo distance measurement; and selecting a corresponding alarm level to give an alarm according to the distance. Accurate alarm can be realized, and the real-time performance of intrusion alarm of the power transmission line can be effectively enhanced. According to the method based on binocular stereo distance measurement provided by the invention, a visual blindarea without a distance measurement method is reduced, and the alarm accuracy is improved.

Description

technical field [0001] The invention belongs to the field of image processing and monitoring of power transmission lines, and relates to a method for preventing external damage of power transmission lines based on image processing and binocular stereo ranging. Background technique [0002] With the continuous development of society, my country's electricity consumption has risen sharply, the scale of the power grid has continued to expand, and the coverage of transmission lines has become wider and wider. The incidence of power grid accidents caused by external force damage events on transmission lines has increased. External force damage factors include mechanical line collision, foreign object winding, theft, illegal excavation, etc. Among them, large-scale mechanical line collision caused by illegal construction or misoperation has become the biggest factor in accidents. [0003] The traditional early warning method uses manual inspection, but this method not only wastes ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T7/13G06T7/136G06T7/187G06T7/20G06T7/70G01C3/00
CPCG06T7/13G06T7/136G06T7/187G06T7/20G06T7/70G01C3/00
Inventor 田立斌黄琴
Owner SOUTH CHINA UNIV OF TECH
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