A new robust digital image watermarking based on Pseudo-Zernike moments

被引：0
|
作者：
Xiang-Yang Wang
Li-Min Hou
机构：
[1] Liaoning Normal University,School of Computer and Information Technology
来源：
Multidimensional Systems and Signal Processing | 2010年 / 21卷
关键词：
Image watermarking; Geometric attacks; Pseudo-Zernike moments; Image normalization;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A robust digital image watermarking scheme based on Pseudo-Zernike moments and image normalization is proposed. The goal is to resist both geometric distortion and common signals processing. We construct the geometrically invariant space by using image normalization. The Pseudo-Zernike moments of the normalized image are computed, and some low-order Pseudo-Zernike moments are selected. We embed digital watermark into the host image by quantizing the magnitudes of the selected Pseudo-Zernike moments. Numerical experiments demonstrate that the proposed watermarking scheme is robust to a wide range of geometric attacks and common signals processing.
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页码：179 / 196
页数：17
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