| 基于DCT的数字水印的嵌入和提取 |
| |
| 引用本文： | 武红玉.基于DCT的数字水印的嵌入和提取[J].许昌学院学报,2012,31(5):59-62. |
| |
| 作者姓名： | 武红玉 |
| |
| 作者单位： | 许昌学院电气信息工程学院,河南许昌,461000 |
| |
| 摘 要： | 离散余弦变换（DCT）的这种频域算法能实现数字水印的嵌入和提取，然后对嵌入水印后的载体图像进行加噪、剪切、滤波等攻击实验，能够证明嵌入水印后的图像有较强的鲁棒性，进而说明数字水印技术的实用性．
|
| 关 键 词： | 数字水印技术 DCT 鲁棒性 |
Embedding and Extraction of Digital Watermark based on DCT |
| |
| WU Hong-yu.Embedding and Extraction of Digital Watermark based on DCT[J].Journal of Xuchang University,2012,31(5):59-62. |
| |
| Authors: | WU Hong-yu |
| |
| Institution: | WU Hong-yu(School of Electrical Information and Engineering,Xuchang University,Xuchang 461000,China) |
| |
| Abstract: | The frequency domain algorithm for Discrete Cosine Transform(DCT) can achieve embedding and extraction of digital watermark.It proves that watermarking image has strong robustness by adding noise,shearing,filtering to embedded watermark carrier image,so digital watermark technology is useful. |
| |
| Keywords: | digital watermark technology DCT robustness |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
|
