WASET
    Rafiullah Chamlawi and  Asifullah Khan and  Adnan Idris and  Zahid Munir,  A Secure Semi-Fragile Watermarking Scheme for Authentication and Recovery of Images Based On Wavelet Transform.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    November 2008, vol. 23(11). 3866 - 3870
    [viewed 04 May 2024]. Available from: https://publications.waset.org/pdf/3308.