WASET
    Adam Rabcewicz,  Accurate Optical Flow Based on Spatiotemporal Gradient Constancy Assumption.   journal   = {International Journal of Physical and Mathematical Sciences}, [online]. World Academy of Science, Engineering and Technology.
    June 2007, vol. 6(6). 294 - 299
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/13201.