Apostolos Antonacopoulos David Bridson Christos Papadopoulos Stefan Pletschacher A Realistic Dataset for Performance Evaluation of Document Layout Analysis. 296-300 2009 ICDAR http://dx.doi.org/10.1109/ICDAR.2009.271 conf/icdar/2009 db/conf/icdar/icdar2009.html#AntonacopoulosBPP09