Rodrigo Verschae Javier Ruiz-del-Solar Mario Köppen Raul Vicente-Garcia Improvement of a Face Detection System by Evolutionary Multi-Objective Optimization. 361-366 2005 conf/his/2005 HIS http://doi.ieeecomputersociety.org/10.1109/ICHIS.2005.63 db/conf/his/his2005.html#VerschaeRKV05