Unmanned Aircraft System (UAS) Structure-From-Motion (SfM) for Monitoring the Changed Flow Paths and Wetness in Minerotrophic Peatland Restoration. - Lauri Ikkala; Anna-Kaisa Ronkanen; Jari Ilmonen; Maarit Similä; Sakari Rehell; Timo Kumpula; Lassi Päkkilä; Björn Klöve; Hannu Marttila (Remote. Sens., 2022)