Preprint Article Version 1 This version is not peer-reviewed

Transform Domain Digital Watermarking with Multiple Images as Watermarks

Version 1 : Received: 15 October 2019 / Approved: 17 October 2019 / Online: 17 October 2019 (08:48:19 CEST)

How to cite: Singha, A.; Ullah, M.A. Transform Domain Digital Watermarking with Multiple Images as Watermarks. Preprints 2019, 2019100188 (doi: 10.20944/preprints201910.0188.v1). Singha, A.; Ullah, M.A. Transform Domain Digital Watermarking with Multiple Images as Watermarks. Preprints 2019, 2019100188 (doi: 10.20944/preprints201910.0188.v1).

Abstract

In this paper, a technique of image watermarking using multiple images as watermarks is presented. The technique is based on transform domain functions including discrete wavelet transform (DWT), discrete cosine transform (DCT) and singular value decomposition (SVD) with an image as the host signal i.e. the watermarks will be used as proofs of the authenticity of the host image. The technique is executed by performing multilevel DWT followed by applying DCT and SVD to both the host and watermark. Multiple watermarks are used for the insurance of better security level. The scheme is immune to common image processing operations & some attacks and exhibits PSNR of 108.3781dB, normalized cross correlation (NCC) over 0.99 and normalized correlation (NC) over 0.99.

Subject Areas

digital watermarking; multiple image; transform domain

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