@article{aggregatedwassersteinmetricandstate,
  title = {Aggregated Wasserstein Metric and State Registration for Hidden Markov Models},
  author = {Yukun Chen and Jianbo Ye and Jia Li},
  year = {2017},
  eprint = {1711.05792},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1711.05792v2},
}