Colour Image Watermarking Scheme using HMM for Colour Message Image
Abstract
watermarking is must. The digital images must have Robustness,
imperceptibility and high capacity simultaneously. In This paper an
informed image watermarking scheme is used with HMM model.
The information rate of 1/64 bit/pixel. Exact embedding strength is
required for watermarking, the HMM model in wavelet domain is
used for that. Wavelet domain is successfully implemented on gray
scale images, this paper extend the same concept for colour images
with taking colour image as a message image. According to
simulation results, this watermarking schema is robust under
common attacks like Gaussian noise and compression and rotation
attacks.
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