@ARTICLE{fussenegger09,
  author = {Michael Fussenegger and Peter M. Roth and Rachid Deriche and Horst,
Bischof and Axel Pinz},
  title = {A level set framework using a new incremental, robust Active Shape,
Model for object segmentation and tracking},
  journal = {Image and Vision Computing},
  year = {2009},
  volume = {27},
  pages = {1157--1168}
}