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Zero-watermark Algorithm Based on SVD
Author(s): LI Xue-bin, YU Deng-feng, CHENG Liang
Pages: 163-
165,177
Year: 2009
Issue:
11
Journal: Computer Engineering
Keyword: 零水印; 奇异值分解; 图像特征; 水印容量;
Abstract: 针对传统的基于奇异值分解的水印算法水印容量较低的缺陷,提出基于奇异值分解的零水印算法,在分块的基础上提取奇异值向量的前若干项,将其作为图像特征,并利用此特征进行零水印构造.仿真实验结果表明,该算法能降低计算复杂度,增加水印容量,稳健性较好.
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