Nagaraj V. Dharwadkar and  B.B.Amberker,  Watermarking Scheme for Color Images using Wavelet Transform based Texture Properties and Secret Sharing.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2010, vol. 37(1). 143 - 150
    [viewed 18 February 2020]. Available from: https://publications.waset.org/pdf/8079.