TY - JOUR A1 - Burkert, F. A1 - Butenuth, M. T1 - COMPLEX EVENT DETECTION IN PEDESTRIAN GROUPS FROM UAVS JO - ISPRS Ann. Photogramm. Remote Sens. Spatial Inf. Sci. J1 - ISPRS-Annals VL - I-3 SP - 335 EP - 340 Y1 - 2012/07/23 PB - Copernicus Publications SN - 2194-9050 UR - https://isprs-annals.copernicus.org/articles/I-3/335/2012/ L1 - https://isprs-annals.copernicus.org/articles/I-3/335/2012/isprsannals-I-3-335-2012.pdf DO - 10.5194/isprsannals-I-3-335-2012 ER -