TY - JOUR A1 - Leichter, A. A1 - Wittich, D. A1 - Rottensteiner, F. A1 - Werner, M. A1 - Sester, M. T1 - IMPROVED CLASSIFICATION OF SATELLITE IMAGERY USING SPATIAL FEATURE MAPS EXTRACTED FROM SOCIAL MEDIA JO - Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci. J1 - ISPRS-Archives VL - XLII-4 SP - 335 EP - 342 Y1 - 2018/09/19 PB - Copernicus Publications SN - 2194-9034 UR - https://isprs-archives.copernicus.org/articles/XLII-4/335/2018/ L1 - https://isprs-archives.copernicus.org/articles/XLII-4/335/2018/isprs-archives-XLII-4-335-2018.pdf DO - 10.5194/isprs-archives-XLII-4-335-2018 ER -