| DCT数字水印算法与DWT数字水印算法的性能比较 |
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| 引用本文： | 程兴国,张建华.DCT数字水印算法与DWT数字水印算法的性能比较[J].襄樊学院学报,2007,28(2):41-45. |
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| 作者姓名： | 程兴国 张建华 |
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| 作者单位： | 襄樊学院,物理与电子信息技术,湖北,襄樊,441053 |
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| 摘 要： | 文章阐述了DCT数字水印算法与DWT数字水印算法的基本概念、基本原理及具体算法实现.通过二个最基本的性能评估指标:误码率和峰值信噪比,来定量比较二种水印算法在含水印图像受到各种处理时显现的鲁棒性.实验结果表明:DWT数字水印算法的性能要更优于DCT数字水印算法.
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| 关 键 词： | 离散余弦变换 离散小波变换 数字水印 压缩 剪切 |
| 文章编号： | 1009-2854(2007)02-0041-05 |
| 修稿时间： | 2006年12月8日 |
Comparison of Digital Watermarking Algorithm Features Between DCT and DWT |
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| CHENG Xing-guo,ZHANG Jian-hua.Comparison of Digital Watermarking Algorithm Features Between DCT and DWT[J].Journal of Xiangfan University,2007,28(2):41-45. |
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| Authors: | CHENG Xing-guo ZHANG Jian-hua |
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| Institution: | CHENG Xing-guo ZHANG Jian-hua |
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| Abstract: | This paper explained some basic concepts,basic principles and applied methods about DCT digital watermarking algorithm and DWT digital watermarking algorithm.The robust of two methods are quantificationally watermarking algorithm is more robust to common image processing and JPEG compression than that of DCT. |
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| Keywords: | DCT DWT Digital Watermark Compressing Cropping |
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