WASET
    Hazem M. El-Bakry,  Fast Painting with Different Colors Using Cross Correlation in the Frequency Domain.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    April 2008, vol. 16(4). 1244 - 1255
    [viewed 18 April 2024]. Available from: https://publications.waset.org/pdf/75.