An improved wavelet-based image watermarking technique

  title={An improved wavelet-based image watermarking technique},
  author={Fouad Khelifi and Ahmed Bouridane and Fatih Kurugollu and A. Ian Thompson},
  journal={IEEE Conference on Advanced Video and Signal Based Surveillance, 2005.},
This paper proposes an adaptive blind image watermarking technique based on wavelet transform using a random sequence of real numbers. First, the image is decomposed into non overlapping blocks. Then, each block is classified as uniform or non uniform by using a JND-based classifier. The strength of the embedded watermark into the high subband coefficients of each transformed block depends upon the nature of the block according to its classification. The Neyman-Pearson criterion is used to… CONTINUE READING
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