Abstract

In this paper, a watermarking scheme has been proposed for color images using SVD,DWT and FWHT which enhanced the embedding capacity and imperceptibility of watermarked image. We used 1024*1024 cover images and 256*256 watermark image. We have embedded four watermarks into single cover image and to measure efficiency of proposed scheme, parameters have been used such as Peak Signal to Noise Ratio (PSNR) and the Normalized Correlation (NC). Watermarked images have been exposed to several noise adding attacks to check robustness of given algorithm.

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