@Article{baust2011cvpr,
  author  =  {Maximilian Baust and Anthony Yezzi and Gozde Unal and Nassir Navab},
  title   =  {A Sobolev-type Metric for Polar Active Contours},
  journal =  {IEEE Conference on Computer Vision and Pattern Recognition (CVPR)},
  year    =  {2011}
}
