| 基于SVD和ICA的全息水印算法 |
| |
| 引用本文： | 方娜,陈仁安,赵伟.基于SVD和ICA的全息水印算法[J].鹭江职业大学学报,2014(3):82-86. |
| |
| 作者姓名： | 方娜 陈仁安 赵伟 |
| |
| 作者单位： | 集美大学诚毅学院实验管理中心,福建厦门361021 |
| |
| 摘 要： | 基于奇异值分解和独立分量分析，提出一种新的数字全息水印算法。该算法利用全息图的特点，采用数字全息图代替普通的二值图像作为水印图像，提高了水印算法的安全性。奇异值分解被应用于水印的嵌入过程中以提高水印算法抗几何攻击能力，并借助于独立分量分析实现全息水印图像的盲提取。实验结果表明，该算法能有效地抵抗JPEG 压缩、加噪、声滤波和对比度增强等常规攻击，同时，对旋转、平移、翻转和缩放等几何攻击也具有一定的鲁棒性。
|
| 关 键 词： | 数字全息 数字水印 独立分量分析 奇异值分解 傅里叶变换 |
Holographic Watermarking Algorithm Based on SVD and ICA |
| |
| FANG Na,CHENG Ren-an,ZHAO Wei.Holographic Watermarking Algorithm Based on SVD and ICA[J].Journal of Lujiang University,2014(3):82-86. |
| |
| Authors: | FANG Na CHENG Ren-an ZHAO Wei |
| |
| Institution: | (Experiment Management Center of Chengyi College, Jimei University, Xiamen 361021, China) |
| |
| Abstract: | A novel holographic watermarking scheme based on Singular Value Decomposition （ SVD） and Independent Component Analysis （ ICA ） was proposed. The method made use of the digital hologram characteristics, and used computer generated holograms as the watermarks instead of ordinary binary images. In order to improve the ability for resisting to geometric attacks of watermarking algorithm, SVD was employed during the embedding process to improve the robustness against geometric attacks of the watermarking. By means of ICA, the watermark was correctly extracted without requiring the original host image. Experiment results has demonstrated that the proposed approach is effective in resisting a variety of geometric attacks such as JPEG compression, additive noise, filtering and contrast enhancement, and is robust against the common signal processing, such as rotation, translation, flipping and scaling. |
| |
| Keywords: | digital holographic digital watermarking ICA SVD Fourier transform |
| 本文献已被 维普 等数据库收录！ |
