@article{hauberg:jmiv:2008,
  title = { An Efficient Algorithm for Modelling Duration in Hidden Markov Models, with a Dramatic Application},
  author = {Hauberg, S{\o}ren and Sloth, Jakob},
  publisher = {Springer Netherlands},
  volume = {31},
  pages = {165--170},
  journal = {Journal of Mathematical Imaging and Vision},
  year = {2008}
}