1. V. santhi, P,Arulmozhivarman, “Hadamard transform based adaptive visible/invisible watermarking scheme for digital images”, journal of information security and applications 1 8 (2 0 1 3), Elsevier, (http://dx.doi.org/10.1016/j.istr.2013.01.001), pp: 1 6 7-1 7 9.
2. Fridrich, J., Goljan, M., Baldoza, A., New Fragile Watermarking for Images.
3. Blind image watermarking via exploitation of inter-block prediction and visibility threshold in DCT domain;Ling-Yuan Hsu;Elsevier J. Vis. Commun. Image R.,2015
4. Robust Digital Image Watermarking using DCT based Pyramid Transform via image compression;Jagdish Prasad Maheshwari;IEEE ICCSP,2015
5. Madhuri Rajawat, D S Tomar, “A Secure Watermarking and Tampering detection technique on RGB Image using 2 Level DWT”, 2015 Fifth International Conference on Communication Systems and Network Technologies, 2015 IEEE, pp:638-342.