基于最优块选择的2级DWT、DCT和QR分解数字图像水印算法

Proceedings of the 3rd International Conference on Networking, Information Systems & Security Pub Date : 2020-03-31 DOI:10.1145/3386723.3387863

M. Zairi, T. Boujiha, Ouelli Abdelhaq

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引用次数: 2

摘要

数字图像水印是实现信息安全的一种手段。本文提出了一种基于2级离散小波变换(DWT)、离散余弦变换(DCT)和QR分解的数字图像水印算法。根据图像的熵值，在图像的特定块上进行水印嵌入。实验结果表明，该算法具有良好的不可感知性和抗各种攻击的鲁棒性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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An Algorithm for Digital Image Watermarking using 2-Level DWT, DCT and QR Decomposition based on Optimal Blocks Selection

Digital image Watermarking is a way to achieve information security. In this paper, we present an algorithm for digital image watermarking based on 2-level Discrete Wavelet Transform (DWT), Discrete Cosine Transform (DCT) and QR decomposition. The watermark embedding process is performed on specific blocks of the host image according to its entropy values. The experimental results show that this algorithm has good features of imperceptibility and it is robust against different attacks.

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Proceedings of the 3rd International Conference on Networking, Information Systems & Security

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