Uncertainty Analysis of Digital Elevation Models by Spatial Inference From Stable Terrain. - Romain Hugonnet; Fanny Brun; Etienne Berthier; Amaury Dehecq; Erik Schytt Mannerfelt; Nicolas Eckert; Daniel Farinotti (IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2022)