GEOMETRICALLY ROBUST IMAGE WATERMARKING BASED ON POLAR COMPLEX EXPONENTIAL TRANSFORM

被引：0
|
作者：
Wo Yan [1 ]
Xu Jiao [1 ]
机构：
[1] S China Univ Technol, Coll Comp Sci & Engn, Guangzhou 510006, Guangdong, Peoples R China
来源：
2013 INTERNATIONAL CONFERENCE ON WAVELET ANALYSIS AND PATTERN RECOGNITION (ICWAPR) | 2013年
关键词：
image watermarking; geometric attacks; orthogonal moments; Polar Complex Exponential Transform; ZERNIKE MOMENTS;
D O I：
暂无
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
In this paper, we propose a geometrically robust image-watermarking scheme based on Polar Complex Exponential Transform (PCET). First, the watermark is generated by modifying the vector formed by the PCET moments of an image, and watermark signal is designed with PCET moments. Then, the signal is added to the cover image in the spatial domain after an image reconstruction process. Finally, the watermark is detected by the shortest distance decode method. Simulation results demonstrate that the proposed method can effectively resist rotation attacks, scaling attacks and common signal processing attacks.
引用
收藏
页码：158 / 162
页数：5
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