id: 70177325 dt: a an: 70177325 au: El Abed, Haikal; Wenyin, Liu; Märgner, Volker ti: International conference on document analysis and recognition (ICDAR 2011) - competitions overview so: ICDAR, 1437-1443 (2011). py: 2011 pu: la: EN cc: ut: ci: li: http://doi.ieeecomputersociety.org/10.1109/ICDAR.2011.286