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ISSN 2063-5346
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An Entropy Based Robust Secured Imperceptible Digital Color Image Watermarking

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Renuka V. Mahagaonkar1, Dr U.D. Shiurkar2
» doi: 10.48047/ecb/2023.12.10.874

Abstract

Digital color image watermarking is known as an efficient technique to provide confidentiality, authority, copyright protection, trustworthiness and secrecy. This is a robust, secure and imperceptible color image watermarking process, in which a binary logo is inserted by selecting the maximal entropy blocks. Arnold transform is employed on the logo to get the scrambled version of it, thus the security is increased. Hue, Saturation and Value (HSV) transform do activated on the watermarking image, and then the H channel is considered for 2-level Discrete Wavelet Transform (DWT) decomposition. Maximum entropy blocks are picked and Singular Value Decomposition (SVD) do employed with these blocks. The scrambled DWT transformed watermark is embedded in it with proportionality coefficient α. The designed approach assessed on different signal processing attacks. Robustness and visual qualities are evaluated by Structural Similarity Index Measure (SSIM), Peak Signal-to-Noise Ratio (PSNR), Mean Square Error (MSE) and Normalized Cross-Correlation (NCC). Based on the experimental outcome, this method exhibits intense grade of imperceptible and strong robustness against numerous types of attacks.

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