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Modified Robust Watermarking Scheme based on DCT


Author(s):

Deepak Vats , Vivekanand Institute of Technology and Science, Ghaziabad, U.P. – 201015; Ajeet Singh, Vivekanand Institute of Technology and Science, Ghaziabad, U.P. – 201015

Keywords:

Digital Image Watermarking, Redundant Discrete Wavelet Transform, Singular Value Decomposition

Abstract:

In this research paper, a modified method for non-blind image watermarking that is robust against affine transformation and ordinary image manipulation is proposed. This method presents a watermarking technique based on Discrete Cosine Transform (RDWT). After applying DCT to both cover and watermark images, then IDCT is applied for watermark extraction from the watermarked image. The advantage of the reviewed technique is its robustness against most common attacks. Analysis and experimental results show higher performance (high PSNR and low MSE) of the proposed method in comparison with the previous RDWT-SVD method.


Other Details:

Manuscript Id :IJSTEV2I4059
Published in :Volume : 2, Issue : 4
Publication Date: 01/11/2015
Page(s): 328-332
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