An informative article that presents results of a comparative study of surveying stockpile volumes utilizing UAV imagery with Lidar scans.
“One of the first questions asked when considering using UAV surveying methods for measuring stockpile volumes is about expected accuracy. Though this looks a simple question at first sight, it is not trivial to answer. This is the reason why Pix4D set up a stockpile test case to compare UAV images with terrestrial LIDAR scan surveys. “