Intelligent tree barrier hidden danger analysis method based on power line coloring of visible light photos
An analysis method and power line technology, applied in image analysis, image enhancement, instruments, etc., can solve the problems of complex operation, low analysis efficiency of hidden dangers of tree barriers, etc., and achieve the effect of high degree of automation, automation precision, and high operation efficiency.
Active Publication Date: 2022-05-10
STATE GRID JIANGXI ELECTRIC POWER CO LTD RES INST +3
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[0006] In order to overcome the disadvantages of complex operation in the process of tree barrier identification and low efficiency of tree barrier hidden danger analysis after the generation of visible light three-dimensional point cloud in the prior art, the present invention provides an intelligent tree barrier hidden danger analysis method based on visible light photo power line coloring, Automatically classify the inspection pictures, use intelligent recognition technology to quickly identify and color the power lines in the inspection photos, then generate a 3D point cloud, automatically extract power lines according to the power line identification, generate tower intervals, and map the power lines below the power lines based on the generated power lines Automatically classify the point cloud, quickly and automatically calculate and analyze the hidden dangers of transmission line tree barriers, and improve the efficiency of data processing
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[0039] Below in conjunction with embodiment further illustrate the present invention in detail.
[0040] Step S1, automatic classification of photos: according to certain flight rules, the high-precision positioning UAV collects visible light photos on both sides of the route channel as inspection photos, wherein the overlap between the inspection photos and the route is greater than 85%, and the lateral overlap is greater than 35% , to ensure that the operation covers enough transmission line towers and ground areas and accuracy. Automatically classify the collected inspection photos, perform distance matching according to the latitude and longitude of the line towers and inspection photos, and automatically classify and bind the collected inspection photos to the nearest line towers, so that the inspection photos can be distinguished Which tower section the power line belongs to, it can also be automatically classified into the corresponding tower section when analyzing hidd...
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The invention discloses an intelligent tree barrier hidden danger analysis method based on power line coloring of visible light photos, which matches the latitude and longitude of the line pole tower and the latitude and longitude of the inspection photos, and automatically classifies the inspection photos to the corresponding nearest tower; quickly Mark and color the power lines in the inspection photos, then generate a 3D point cloud, automatically extract power lines according to the power line identification, generate tower intervals, and automatically classify the point clouds below the power lines according to the generated power lines, and finally perform hidden danger analysis and one-click The report is derived, and the method of the invention can improve the data processing efficiency, and lower the technical and economic threshold for preventing hidden dangers of tree obstacles.
Description
technical field [0001] The invention belongs to the technical field of power grid inspection, and in particular relates to an intelligent tree barrier hidden danger analysis method based on visible light photo power line coloring. Background technique [0002] Overhead transmission lines are mostly located in mountainous areas, with large areas, many trees, and many hidden dangers. Line inspectors often encounter tree barriers. The impact of tree barriers on the safe operation of the line ranges from tripping, to breaking wires or collapsing towers, causing large-scale power outages and seriously affecting the safety of the power grid. The traditional means of finding tree barriers mainly rely on human naked eye judgment or point cloud data analysis collected by drones. The naked eye judgment has a great possibility of causing judgment errors. Laser point cloud data acquisition equipment is expensive and inspection costs are high. Visible light point cloud The acquisition c...
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IPC IPC(8): G06T7/00G06T7/11G07C1/20G06K9/62G06V10/764G06V10/74
CPCG06T7/0002G07C1/20G06T7/11G06T2207/10028G06F18/22G06F18/24
Inventor 辛建波李帆熊勇良郭宝明廖昊爽詹涛支妍力王芬刘斌李博江
Owner STATE GRID JIANGXI ELECTRIC POWER CO LTD RES INST