The real difference rasters might be statistically summarized to verify that root signify square difference inside the z -route (RMSDz) values will not exceed the limits established forth in desk 2 for your QL of data that is being gathered. Drone-based LiDAR sensors are high priced compared to photogrammetry gear. https://gunnerlvelr.acidblog.net/63513084/rumored-buzz-on-urban-planning-lidar-survey-bangladesh