Gregory F. Russell Jianying Hu Alain Biem Andre Heilper Dmitry Markman Dynamic Signature Verification Using Discriminative Training. 1260-1264 2005 conf/icdar/2005 ICDAR http://doi.ieeecomputersociety.org/10.1109/ICDAR.2005.95 db/conf/icdar/icdar2005.html#RussellHBHM05