| 基于Logistic映射和Arnold置乱的数字水印算法 |
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| 引用本文： | 张钉铭,雷仲魁.基于Logistic映射和Arnold置乱的数字水印算法[J].电子设计工程,2011,19(15):126-128. |
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| 作者姓名： | 张钉铭 雷仲魁 |
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| 作者单位： | 南京航空航天大学电子信息工程学院,江苏南京,210016 |
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| 摘 要： | 提出了一种基于Logistic映射和Arnold变换的DCT域数字水印算法。利用Arnold变换将原始水印图像进行置乱,然后对图像进行分块DCT变换,结合Logistic映射控制水印信息的嵌入位置,把置乱后的水印图像嵌入到图像的DCT域中频系数中,进行分块DCT反变换得到水印图像。利用图像DCT系数的关系,实现了水印的盲检测。实验结果表明该算法不仅具有较好的隐蔽性,同时对常见的水印攻击具有较好的鲁棒性。
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| 关 键 词： | 图像水印 Logistic映射 Arnold置乱 DCT变换 |
A digital watermarking algorithm based on Logistic mapping and arnold scrambling |
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| ZHANG Ding-ming,LEI Zhong-kui.A digital watermarking algorithm based on Logistic mapping and arnold scrambling[J].Electronic Design Engineering,2011,19(15):126-128. |
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| Authors: | ZHANG Ding-ming LEI Zhong-kui |
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| Affiliation: | (College of Electronic and Information Engineering,Nanjing Universty of Aeronautics and Astronautics,Nanjing 210016,China) |
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| Abstract: | A digital watermarking algorithm based on logistic mapping and arnold scrambling is proposed.It uses the arnold transformation to scramb the original watermark image.And then make the block DCT transformation of the image is made.The logistic map is used |
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| Keywords: | Imaging watermarking Logistic mapping Arnold scrambling DCT |
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