Hueihan Jhuang Thomas Serre Lior Wolf Tomaso Poggio A Biologically Inspired System for Action Recognition. 1-8 2007 ICCV http://dx.doi.org/10.1109/ICCV.2007.4408988 conf/iccv/2007 db/conf/iccv/iccv2007.html#JhuangSWP07