Fig. 1. Flow chart of power line extraction based on LiDAR piont cloud data

Fig. 2. Filter and its serial number

Fig. 3. Non-power line grid distribution of power lines in r radius neighborhood

Fig. 4. Automatic power line extraction based on airborne LIDAR point cloud data. (a) Original point cloud; (b) grid point clouds and the filtering result; (c) rough extraction result of power lines; (d) power line extraction result; (e) patrol corridor data power line extraction result

Fig. 5. Power line extraction result by SVM combined with geometric feature algorithms