@article{Aruco2014,
 title = "Automatic generation and detection of highly reliable fiducial markers under occlusion ",
 journal = "Pattern Recognition ",
 volume = "47",
 number = "6",
 pages = "2280 - 2292",
 year = "2014",
 issn = "0031-3203",
 doi = "http://dx.doi.org/10.1016/j.patcog.2014.01.005",
 url = "http://www.sciencedirect.com/science/article/pii/S0031320314000235",
 author = "S. Garrido-Jurado and R. Mu\~noz-Salinas and F.J. Madrid-Cuevas and M.J. Mar\'in-Jim\'enez"
}

@inproceedings{wang2016iros,
    AUTHOR     = {John Wang and Edwin Olson},
    TITLE      = {{AprilTag} 2: Efficient and robust fiducial detection},
    BOOKTITLE  = {Proceedings of the {IEEE/RSJ} International Conference on Intelligent
                 Robots and Systems {(IROS)}},
    YEAR       = {2016},
    MONTH      = {October},
}
