Fig. 9From: Spatial accuracy assessment of unmanned aerial vehicle-based structures from motion multi-view stereo photogrammetry for geomorphic observations in initiation zones of debris flows, Ohya landslide, JapanHistograms of the surface slope in the vicinity of the channel deposits. a DEMTLS. b DEMSfM. c DEMSfM-ICP. Similar to Fig. 4, the red line and dashed blue line indicate the cumulative distribution and the median value, respectivelyBack to article page