Stephan Rupp and  Matthias Elter and  Michael Breitung and  Walter Zink and  Christian K├╝blbeck,  Robust Camera Calibration using Discrete Optimization.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    July 2008, vol. 19(7). 2435 - 2439
    [viewed 27 January 2020]. Available from: https://publications.waset.org/pdf/450.