| 基于DCT域的数字水印算法 |
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| 引用本文： | 高玉娜,杨忠根. 基于DCT域的数字水印算法[J]. 数字社区&智能家居, 2009, 5(2): 868-870,876 |
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| 作者姓名： | 高玉娜 杨忠根 |
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| 作者单位： | 上海海事大学信息工程学院,上海200135 |
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| 摘 要： | 该文系统介绍了数字水印的原理和应用方法，并研究了一种基于离散余弦变换（DCT）的数字图像水印算法，并借助MATLAB编程工具，实现数字水印的嵌入、提取和攻击测试。
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| 关 键 词： | 数字图像 数字水印 DCT MATLAB |
A Digital Watermarking Algorithm Based on DCT Domain |
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| GAO Yu-na,YANG Zhong-gen. A Digital Watermarking Algorithm Based on DCT Domain[J]. Digital Community & Smart Home, 2009, 5(2): 868-870,876 |
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| Authors: | GAO Yu-na YANG Zhong-gen |
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| Affiliation: | (Information Engineering Institute of Shanghai Maritime University,Shanghai 200135,China) |
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| Abstract: | This paper introduces the principle methods and applications of digital watermarking and give an watermarking algorithm of the digital image which based on discrete cosine transform （DCT）. With matlab programming tools, this algorithm has realized the digital watermark embedding, extraction and attack test. |
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| Keywords: | digital image digital watermarking DCT MATLAB |
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