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Method for keeping fan blade in middle of view of camera based on pure vision

A technology of fan blades and blades, applied in the field of image processing, can solve problems such as unsatisfactory effects and low efficiency, and achieve the effects of improving operating efficiency, improving quality, and meeting shooting requirements

Pending Publication Date: 2022-05-10
CHINA THREE GORGES CORPORATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention proposes a method based on pure vision to keep the fan blades in the middle of the camera field of view, aiming at the unsatisfactory effects and low efficiency when using drones to identify defects of new energy fan blades and image splicing.

Method used

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  • Method for keeping fan blade in middle of view of camera based on pure vision
  • Method for keeping fan blade in middle of view of camera based on pure vision
  • Method for keeping fan blade in middle of view of camera based on pure vision

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Embodiment Construction

[0052] In order to solve the problem that the leaf image taken in the prior art solution cannot always be in the middle of the camera field of view, which is not conducive to accurate stitching of images and identification of leaves, the present invention discloses a method based on pure vision to keep the leaf in the middle of the camera field of view. That is, an electronically controlled pan-tilt is mounted on the UAV, and the shooting angle of the high-resolution camera is controlled through the pan-tilt to track the blade and keep it in the middle of the camera field of view.

[0053] Such as figure 1 As shown, a pure vision-based method to keep fan blades in the middle of the camera's field of view includes the following steps:

[0054] 1) Turn on the high-resolution visible light camera mounted on the drone to shoot the front view, detect the initial target frame image in the initial stage of the video stream, and use an image segmentation network based on deep learning...

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Abstract

The invention discloses a method for keeping a fan blade in the middle of a camera view based on pure vision, and provides a technology for mounting an electric control holder on an unmanned aerial vehicle and controlling the shooting angle of a high-resolution camera through the holder so as to track the blade and keep the blade in the middle of the camera view. The objective of the invention is to solve the problem that accurate splicing and effective identification of blades are not facilitated due to the fact that fan blades cannot be always kept in the middle of the visual field of a camera in existing blade image shooting.

Description

technical field [0001] The invention belongs to the technical field of image processing, and specifically relates to a method of using an unmanned aerial vehicle to inspect the blades of a new energy fan, and by mounting an electronically controlled pan-tilt and installing a camera on the pan-tilt to perform defect identification or image splicing on the vane blades techniques, in particular a pure vision-based approach to keeping wind turbine blades centered in the camera's field of view. Background technique [0002] A wind turbine is a kind of electrical equipment that converts wind energy into mechanical energy during operation. The mechanical energy drives the rotor to rotate and finally outputs alternating current. During the long-term operation of wind turbines, various damages will occur on the blade surface, such as blade oil stains, cracks, paint peeling, lightning strikes, etc. Traditional wind turbine operation and maintenance tasks often require workers to climb...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06V20/17G06V20/40G06V10/25G06V10/26G06V10/56G06V10/44G06Q50/06G07C1/20
CPCG06Q50/06G07C1/20Y02E10/72
Inventor 李哲郑开元汤鹏周登科史凯特于傲张亚平
Owner CHINA THREE GORGES CORPORATION
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