Xiaoyue Jiang Pei Sun Rong Xiao Rongchun Zhao Perception Based Lighting Balance for Face Detection. 531-540 2006 conf/accv/2006-2 ACCV (2) http://dx.doi.org/10.1007/11612704_53 db/conf/accv/accv2006-2.html#JiangSXZ06