@inproceedings{signspottingusinghierarchicalsequential,
  title = {Sign Spotting using Hierarchical Sequential Patterns with Temporal Intervals},
  author = {Eng-Jon Ong and Oscar Koller and Nicolas Pugeault and Richard Bowden},
  year = {2014},
  booktitle = {CVPR 2014 6},
  url = {http://openaccess.thecvf.com/content_cvpr_2014/html/Ong_Sign_Spotting_using_2014_CVPR_paper.html},
}