Sang Hoon Lee and  Jong Sue Bae and  Taewan Kim and  Jin Mo Song and  Jong Ju Kim,  A Novel Tracking Method Using Filtering and Geometry.   journal   = {International Journal of Electrical and Computer Engineering}, [online]. World Academy of Science, Engineering and Technology.
    November 2011, vol. 59(11). 1534 - 1540
    [viewed 13 April 2021]. Available from: https://publications.waset.org/pdf/1004.