Accurate positioning method for power transmission line unmanned aerial vehicle inspection image detection defects
A technology for precise positioning and transmission lines, applied in the field of UAV inspection data processing of transmission lines, can solve the problems of on-site defect positioning, lack of precise location information in UAV inspection images, and no automatic processing method for precise positioning, achieving Realize the effect of 3D positioning
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[0042] Airborne laser LiDAR technology can quickly acquire point cloud data of transmission line channels with a bandwidth of tens to hundreds of meters. The point cloud data records the high-precision geospatial information of the entire transmission line channel, which can make up for the lack of precise location information for UAV detection defects. . At present, airborne laser LiDAR technology is widely used in the safety distance inspection of transmission lines. The power grid has formed a "six-monthly inspection" laser inspection system, and laser point cloud data has become a standing data for power grid inspection work.
[0043] 1. Coding design of electrical components of overhead transmission lines
[0044] The encoding format of "type code-line number-small connection tower-large connection tower-power line number" is designed for power lines; for pole towers and their electrical components, due to the discrete nature of point cloud data, ordinary small electrical...
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