Icing detection method and system for inspecting overhead transmission line based on unmanned aerial vehicle

A technology for overhead transmission lines and transmission lines, which is applied in neural architecture, computer components, instruments, etc., can solve problems such as inaccurate detection results and blurred images, and achieve the effect of ensuring accuracy and improving accuracy

Pending Publication Date: 2019-12-10
国网山东省电力公司泗水县供电公司 +2
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Existing ice detection technologies use sensors for detection, and some use images for detection. However, most of the current image detection only considers image detection. If it is not clear, it will inevitably lead to inaccurate test results.

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  • Icing detection method and system for inspecting overhead transmission line based on unmanned aerial vehicle
  • Icing detection method and system for inspecting overhead transmission line based on unmanned aerial vehicle

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Embodiment 1

[0032] Embodiment 1, this embodiment provides an icing detection method based on unmanned aerial vehicle inspection overhead transmission lines;

[0033] Such as figure 1 As shown, the icing detection method based on UAV inspection of overhead transmission lines includes:

[0034] Obtain videos taken during the inspection of overhead transmission lines by drones;

[0035] Extract keyframe images from video;

[0036] Process the key frame image to obtain grayscale image, contour image and texture image respectively;

[0037] Extracting grayscale features from grayscale images, extracting contour features from contour images, and extracting texture features from texture images;

[0038] Perform normalization processing on the extracted grayscale features, contour features and texture features, and serially fuse the normalized grayscale features, contour features and texture features to obtain fusion features;

[0039] Input the fused features into the pre-trained convolution...

Embodiment 2

[0059] Embodiment 2, this embodiment provides an icing detection system based on unmanned aerial vehicle inspection overhead transmission lines;

[0060] Such as figure 2 As shown, the icing detection system based on UAV inspection of overhead transmission lines includes:

[0061] An acquisition module, which is configured to acquire the video taken during the inspection of the overhead power transmission line by the unmanned aerial vehicle;

[0062] A key frame extraction module configured to extract key frame images from the video;

[0063] An image preprocessing module, which is configured to process the key frame image to obtain a grayscale image, a contour image and a texture image respectively;

[0064] A feature extraction module configured to extract grayscale features from grayscale images, extract contour features from contour images, and extract texture features from texture images;

[0065] A normalization processing module, which is configured to perform normali...

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Abstract

The invention discloses an icing detection method and system for inspecting an overhead transmission line based on an unmanned aerial vehicle. The method comprises the steps of obtaining a video shotin the process of inspecting the overhead transmission line by the unmanned aerial vehicle; extracting a key frame image from the video; processing the key frame image to respectively obtain a gray image, a contour image and a texture image; extracting gray features of the gray image, contour features of the contour image and texture features of the texture image; carrying out normalization on theextracted gray features, contour features and texture features, performing series fusion on the gray features, contour features and texture features after normalization processing, and acquiring fusion features; and inputting the fusion features into a pre-trained convolutional neural network model, and outputting a classification result about whether icing occurs or not.

Description

technical field [0001] The present disclosure relates to an icing detection method and system based on unmanned aerial vehicle inspection of overhead transmission lines. Background technique [0002] The statements in this section merely mention background art related to the present disclosure and do not necessarily constitute prior art. [0003] In the process of realizing the present disclosure, the inventors found that the following technical problems existed in the prior art: [0004] Existing ice detection technologies use sensors for detection, and some use images for detection. However, most of the current image detection only considers image detection. If it is not clear, it will inevitably lead to inaccurate test results. Contents of the invention [0005] In order to solve the deficiencies of the prior art, the present disclosure provides an icing detection method and system based on UAV inspection of overhead transmission lines, which extracts key frames from ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/00G06K9/46G06K9/62G06N3/04
CPCG06V20/13G06V20/46G06V20/41G06V10/44G06N3/045G06F18/241
Inventor 张长斌李晗王中张珂李浩刘腾
Owner 国网山东省电力公司泗水县供电公司
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