Abstract
Watermarking of digital media is an imperative and interactive method for identification and protection of digital data. It allows veritable watermarks to be hidden in digital media for example image, audio, and video. Procedure of embedding and extracting of watermark from original image and watermarked image is complicated process. These include randomization of the watermark and selection of locations to embed and extract it from the selected locations. Proposed work gives more secured digital watermarking algorithm that follows Modified Substitute Last Digit in Pixel Technique. Embedding of watermark is done based on pseudorandom number generator (PRNG) and RC4 encryption of each pixel value of the cover image. Watermarked image is used to extract the watermark without any help of the original image. Parameters used to evaluate the performance watermarking technique are Peak Signal to Noise Ratio (PSNR) and Mean Square Error (MSE) and the results of the proposed method were better.
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