kantsi_photogrammetry_estonia_open_lidar_03_point_cloud_comparison_1 Published August 10, 2018 at 1040 × 807 in Using Open LiDAR to Remove Low Noise from Photogrammetric UAV Point Clouds ← Previous Next → The miss-alignment error between sparse LiDAR and dense photogrammetry points is easily measured along the roof of the building.