Michael Villamizar Alberto Sanfeliu Juan Andrade-Cetto Local Boosted Features for Pedestrian Detection. 128-135 2009 IbPRIA http://dx.doi.org/10.1007/978-3-642-02172-5_18 conf/ibpria/2009 db/conf/ibpria/ibpria2009.html#VillamizarSA09