Cristian Sminchisescu Atul Kanaujia Zhiguo Li Dimitris N. Metaxas Discriminative Density Propagation for 3D Human Motion Estimation. 390-397 2005 conf/cvpr/2005 CVPR (1) http://dx.doi.org/10.1109/CVPR.2005.132 db/conf/cvpr/cvpr2005-1.html#SminchisescuKLM05