Say Wei Foo and  Qi Dong,  A Normalization-based Robust Watermarking Scheme Using Zernike Moments.   journal   = {International Journal of Electrical and Computer Engineering}, [online]. World Academy of Science, Engineering and Technology.
    November 2009, vol. 35(11). 1962 - 1967
    [viewed 17 April 2024]. Available from: https://publications.waset.org/pdf/5670.