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Multi-bit minimum error replacement (MER) is a method that can embed multi-bit logo/secret data into k least-significant bits (LSBs) of cover data only introduces minimum embedding error (MEE). However, k-LSBs MER suffers from weak robustness. Moreover, it is unfortunate because no literature discusses the formulations and the properties of multi-bit MEE up to this day. Therefore, this work proposes...
In recent years, singular value decomposition has become a popular tool for image watermarking. In this paper, we propose a new blind watermarking scheme by quantizing the singular values of wavelet component. To optimize the system performance, we treat the image watermarking as a multi-objective optimization problem based on non-dominated sorting genetic algorithm II. Based on this new perspective,...
This paper introduces a novel fragile watermarking method for digital Quran image authentication and tamper identification. The presented scheme utilizes discrete wavelet transform (DWT) and can locate the pixels of malicious tampering if present. The wavelet coefficients are considered for embedding authentication code that are encrypted with a secret key, ensuring high security. The authentication...
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