WASET
    A. A. Shafie and  Fadhlan Hafiz and  M. H. Ali,  Motion Detection Techniques Using Optical Flow.   journal   = {International Journal of Electrical and Computer Engineering}, [online]. World Academy of Science, Engineering and Technology.
    August 2009, vol. 32(8). 1555 - 1557
    [viewed 27 April 2024]. Available from: https://publications.waset.org/pdf/8745.