kantsi_photogrammetry_estonia_open_lidar_41_cleaned_05_potential_ground_rgb Published April 9, 2019 at 1040 × 806 in Using Open LiDAR to Remove Low Noise from Photogrammetric UAV Point Clouds ← Previous Next → Points between 40 centimeter below and 100 centimeter above the LiDAR DTM classified as potential ground.