In this paper we investigate the watermarking authentication when applied to medical imagery field. We first give an overview of watermarking technology by paying attention to frag...
Digital watermarking is one of the ways to prove the ownership and the authenticity of the media. However, some applications, such as medical and military, are sensitive to distor...
Shu-Kei Yip, Oscar C. Au, Hoi-Ming Wong, Chi-Wang ...
In lossless watermarking, it is possible to completely remove the embedding distortion from the watermarked image and recover an exact copy of the original unwatermarked image. Lo...
Jessica J. Fridrich, Miroslav Goljan, Qing Chen, V...
The demand of security is getting higher in these days due to easy reproduction of digitally created multimedia data. Digital watermark is the emerging technique to embed secret i...
-- Digital Watermarking is used for copyright protection and authentication. In the proposed system, a Dual Watermarking Scheme based on DWT-SVD with chaos encryption algorithm, wi...