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In this article, a new frequency domain image watermarking scheme has been proposed, which uses Cosine Hyperbolic transformation for embedding propose. Due to vulnerability of watermarked image against noise interference, geometrical attacks and data modification attacks in a channel, many spatial and frequency domain approaches are less robust and imperceptible. In the proposed algorithm, multiple watermark images are embedded into host. During de-watermarking process, the multiple watermarkdoi:10.35940/ijeat.b3712.129219 fatcat:m4nuz3lq4vdghewg42cuxuziji