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Table 1 Point cloud properties acquired via UAV-SfM and TLS

From: 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, Japan

Measurement typeUAV-SfMTLS
Point density (pt/m2)483.6281.1
Standard deviation in point density (pt/m2)112.6173.2
Average point spacing (mm)45.559.6
Marge of scansTie point matching
Precision of marge (mm)<6
Interpolator creating DEMTINTIN