1. 1. Z. Qian, and X. Zhang, “Reversible data hiding in encrypted image with distributed source encoding,” IEEE Trans. on Circuits and Systems for Video Technology, vol. 26, no. 4, pp. 636-646, Apr. 2016.
   2.  G.Sudheer and G.V. Sridhar, “Implementation of robust watermarking technique using SVD algorithm with GUI representation”, IJARCSMS - 2014. 
   3.  Y.Shantikumar Singh, B. Pushpa Devi and Kh. Manglem Singh Proposed, “A review of different techniques on Digital Image Watermarking Scheme”, IJER 2013.
   4.  Yashovardhan Kelkar, Heena Shaikh and Mohd. Imran Khan Proposed, “Analysis of robustness of hybrid digital image watermarking technique under various attacks”, IJCSMC 2013.
   5. K.Ma, W.Zhang, X.Zhao, N.Yu, F.LI, “Reversible data hiding in encrypted images by reserving room before encryption”, IEEE Trans. On Information Forensics and Security, vol. 8, no. 3, pp. 553-562, Mar 2013.