@misc{LiaoLiuHuber2015,
  author    = {Liao, Chunyuan and Liu, Qiong and Huber, Jochen},
  title     = {System and method for interactive markerless paper documents in 3d space with mobile cameras and projectors},
  url       = {https://depatisnet.dpma.de/DepatisNet/depatisnet?action=pdf\&docid=US020130033484A1\&xxxfull=1},
  pages     = {17},
  year      = {2015},
  language  = {en}
}