Open Science Research Excellence
Nisar Ahmed Memon,  A Novel Reversible Watermarking Method based on Adaptive Thresholding and Companding Technique.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology. July 2011, vol. 55(7). 738 - 742[viewed 22 July 2019]. Available from: http://waset.org/publications/12926.