TY - JOUR A1 - Meynberg, O. A1 - Kuschk, G. T1 - Airborne Crowd Density Estimation JO - ISPRS Ann. Photogramm. Remote Sens. Spatial Inf. Sci. J1 - ISPRS-Annals VL - II-3/W3 SP - 49 EP - 54 Y1 - 2013/10/08 PB - Copernicus Publications SN - 2194-9050 UR - https://isprs-annals.copernicus.org/articles/II-3-W3/49/2013/ L1 - https://isprs-annals.copernicus.org/articles/II-3-W3/49/2013/isprsannals-II-3-W3-49-2013.pdf DO - 10.5194/isprsannals-II-3-W3-49-2013 ER -