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2011年10 期
| 标题 |
| 一种基于Arnold 置乱的FRFT数字图像水印方法(20 卷) |
| 英文标题 |
| Method of digital image watermarking in FRFT domain based on Arnold scrambling |
| 摘要 |
| 本文提出一种基于Arnold 置乱的分数阶傅里叶变换（FRFT）数字图像水印方法。区别于傅里叶变换（FFT），FRFT同时兼有空域和频域的良好特性。本文采用将水印信息嵌入到变换后的幅度谱中，在嵌入有意义的灰度图像水印前对其进行Arnold置乱，找到一个相对的最佳置乱次数，并将其 |
| 作者 |
| 新闻作者:高宁宁，杨文考 |
| 关键字 |
