Synergy Between LiDAR, RADARSAT-2, and Spot-5 Images for the Detection and Mapping of Wetland Vegetation in the Danube Delta. - Simona Niculescu; Cédric Lardeux; Ion Grigoras; Jenica Hanganu; Laurence David (IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2016)