WASET
    Say Wei Foo and  Qi Dong,  A Normalization-based Robust Image Watermarking Scheme Using SVD and DCT.   journal   = {International Journal of Electrical and Computer Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2010, vol. 37(1). 177 - 182
    [viewed 27 April 2024]. Available from: https://publications.waset.org/pdf/11749.