@INPROCEEDINGS{Vollmer-ICANN-2013,
  author = {Vollmer, {\relax Ch}ristian and Gross, Horst-Michael and Eggert,
    Julian},
  title = {Learning Features for Activity Recognition with Shift-Invariant Sparse
    Coding},
  booktitle = {Artificial Neural Networks and Machine Learning - ICANN 2013 (ICANN)},
  year = {2013},
  pages = {367--374},
  volume = {8131},
  series = {LNCS},
  publisher = {Springer}
}