@inproceedings{levinshtein05,
author = {Alex Levinshtein and Cristian Sminchisescu and Sven J. Dickinson},
title = {Learning Hierarchical Shape Models from Examples},
booktitle = {Energy Minimization Methods in Computer Vision and Pattern Recognition,
St. Augustine, FL, USA, November 9-11, 2005, Proceedings},
year = {2005},
pages = {251-267},
pdf = {http://sminchisescu.ins.uni-bonn.de/papers/emmcvpr05.pdf 1}
}