Intelligent Inspection Method for Overhead Transmission Lines Based on Drone Low Altitude Photography Technology
Due to the large calculation error and poor inspection performance of traditional inspection methods,an intelli-gent inspection method for overhead transmission lines based on drone low altitude photography technology is studied.U-sing drones as image data acquisition devices to adjust corresponding flight parameters,the flight altitude of drone is matched with the effective operating distance of each image acquisition point and image of power system can be obtained at various points.The interferences caused by light errors and other factors are then eliminated by preprocessing the obtained images.By properly selecting drone-photoed images and encrypting images according to specific accuracy requirements,the lossless saving of image structure is realized.The overall image extraction of the overhead transmission line is per-formed through an end-to-end approach.By collecting geographic coordinates via GPS and convert them into spatial coordi-nates,the endpoint positions of different line segments are derived,and the inter-endpoint distances are calculated which represent the detection results.The experimental results show that the Group 5 can obtain calculated distance consistent with actual distance and accurately identify the boundary of ground objects with an error of 0%.The proposed method can accurately determine safe distance of ground objects.
万方数据
维普
