Abstract
Digital image watermarking is widely used for enforcing copyright protection and authentication. Color image watermarking has become essential as most of the images used are colored. A novel multiple composite digital image watermarking technique for color images is proposed in this paper. We have exploited the high embedding capacity property of Least Significant Bit (LSB) technique. It is more robust technique of watermarking multiple images in a single color image. Three different binary watermarks are taken as three channels and are combined to form single composite color watermark. The composite color watermark is further embedded in the color image using LSB technique. Simulation results exhibit that our proposed method has higher PSNR values indicating good visual quality of watermarked image. Experimental results show that the proposed scheme is robust under signal processing and geometric attacks.
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