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  • 标题:Non Blind Watermarking Scheme for Image and Video using DWT-SVD
  • 本地全文:下载
  • 作者:T.Naga Jyothi ; K.Hari Babu
  • 期刊名称:International Journal of Engineering and Computer Science
  • 印刷版ISSN:2319-7242
  • 出版年度:2013
  • 卷号:2
  • 期号:11
  • 页码:3117-3121
  • 出版社:IJECS
  • 摘要:Recent developments in digital image and Internet technology help the common users to easily produce illegal copies of the images. Inorder to solve the copyright protection problems of the image, several watermarking schemes have been widely used. Very fewwatermarking schemes have been proposed for defining the copyrights of color image. To resolve the copyright protection problem ofcolor image, we propose an effective, robust and imperceptible color image watermarking scheme. This scheme embeds thewatermark into cover image in (Red, Green, Blue) RGB space. The combinations of Discrete Wavelet Transform (DWT) and SingularValue Decomposition (SVD) are used to embed the watermark.In the combination of Discrete Wavelet Transform (DWT) and Singular Value Decomposition (SVD), the singular values of differentsub band coefficients are modified using different scaling factors to embed the singular values of the watermark. The copy of thewatermark is embedded into four sub band coefficients which is very difficult to remove or destroy. The combination of DWT and SVDincreases the security, robustness and imperceptibility of the scheme. In this project, we employ watermarking for video also
  • 关键词:DWT; SVD; DWT-SVD
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