Stefano Ferilli Teresa Maria Altomare Basile Floriana Esposito Marenglen Biba A Contour-Based Progressive Technique for Shape Recognition. 723-727 2011 ICDAR http://doi.ieeecomputersociety.org/10.1109/ICDAR.2011.151 conf/icdar/2011 db/conf/icdar/icdar2011.html#FerilliBEB11