3D geological outcrop characterization: automatic detection of 3D planes (azimuth and DIP) using LiDAR point clouds - Anders, Katharina; Hämmerle, Martin; Miernik, Georg; Drews, Till; Escalona, A.; Townsend, C.; Höfle, Bernhard (XXIII ISPRS Congress, Commission VI, 12-19 July 2016, Prague, Czech Republic, 2016)