Sheng Gao Joo-Hwee Lim Qibin Sun Propagating Image-Level Part Statistics to Enhance Object Detection. 181-184 2007 ICIP (6) http://dx.doi.org/10.1109/ICIP.2007.4379551 conf/icip/2007 db/conf/icip/icip2007-6.html#GaoLS07