[1] [1] ZHENG Guilin, ZHANG Li. Research and application of auto-gyro power line inspection technology［J］. Electric Power, 2014,47(7): 26-31.

[2] [2] TAN Jinshi, LIU Lin, ZU Weiguo. Power line distance measurement method in helicopter power line inspection［J］. Science of Surveying and Mapping, 2012, 37(3): 63-65.

[3] [3] WEI Shilei, XU Panlin, WANG Hao, et al. Research on power line inspection method based on UAV image［J］. Beijing Surveying and Mapping, 2018, 32(2): 229-232.

[4] [4] WANG Tingsong, MIAO Shuangxi. Ｒesearch for power line inspection based on 3D GIS［J］. Geromatics & Spatial Information Technology, 2016, 39(9): 137-140.

[5] [5] LIN Yun, WU Dun, LI Dannong. High precisely surveying of power line patrol based on airborne lidar［J］. Urban Geotechnical Investigation ＆ Surveying, 2011(5): 71-74.

[6] [6] YIN Huizeng, SUN Xuan, NIE Zhengang. An automated extraction algorithm of power lines based on airborne laser scanning data［J］. Geography and Geo-Information Science, 2012, 28(2): 31-35.

[7] [7] WANG Pinghua, XI Xiaohuan, WANG Cheng, et al. Study on power line fast extraction based on airborne lidar data［J］. Science of Surveying and Mapping, 2017, 42(2): 154-159.

[8] [8] CHEN Chi, MAI Xiaoming, SONG Shuang, et al. Automatic power lines extraction method from airborne lidar point cloud［J］. Geomatics and Information Science of Wuhan University, 2015, 40(12): 1600-1605.

[9] [9] LAI Xudong, DAI Dachang, ZHENG Min, et al. Powerline three-dimensional reconstruction for lidar point cloud data［J］. Journal of Ｒemote Sensing, 2014, 18(6): 1223-1229.

[10] [10] CHEN Wenqi, FAN Qiang, LUO Jun, et al. Design and realization of state grid power line software based on OGRE［J］. Journal of Terahertz Science and Electronic Information Technology, 2015, 13(4): 613-618.

[11] [11] CHEN Tao, ZHENG Shulei, YANG Chunlei. Design and realization of the power line inspection system based on GPRS/GPS［J］. Journal of Information Engineering University, 2012, 13(2): 252-258.

[12] [12] WANG Ping, ZHOU Zhubo, WANG Ping, et al. Investigating the influence of lidar point cloud density for power line patrol based on different operation mode［J］. Geomatics & Spatial Information Technology, 2017, 40(3): 202-205.

[13] [13] JIN Jiacheng, ZHAO Dianquan, HAN Dong, et al. Design and experiments of helicopter-borne optoelectronic stabilized pod system for power line inspection［J］. Journal of Changchun University of Science and Technology, 2012, 35(1): 29-32.

[14] [14] SHU Long, LU Mang, HU Danhui. Application of lidar technology in power line selection［J］. Power System and Clean Energy, 2013, 29(1): 20-23.

[15] [15] SUN Tong, XUE Fei. Research and application of power grid inspection based on airborne lidar system［J］. Southern Energy Construction, 2018, 5(3): 133-139.