| 版权保护中基于数字全息术水印的应用 |
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| 引用本文： | 李志斌,夏飞.版权保护中基于数字全息术水印的应用[J].上海电力学院学报,2009,25(1):70-74. |
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| 作者姓名： | 李志斌 夏飞 |
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| 作者单位： | 1. 上海电力学院,电力与自动化工程学院,上海,200090;上海理工大学,光学与电子信息工程学院,上海,200093
2. 上海电力学院,电力与自动化工程学院,上海,200090 |
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| 基金项目： | 上海市教育委员会发展基金 |
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| 摘 要： | 提出了一种基于数字全息术的用于版权保护的水印方法.首先将含有版权保护信息的图像生成数字全息图,然后通过小波变换将其作为水印嵌入要保护的对象,对提取的水印进行数值重构可以得到版权保护信息.由于全息图具有不可撕毁的特性,所以该方法对各种攻击具有较强的抵御性.测试结果证明,该方法的鲁棒性较好.
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| 关 键 词： | 数字全息 版权保护 数字水印 鲁棒性 |
| 收稿时间： | 3/3/2008 12:00:00 AM |
Application for Copyright Protection Based on Digital Holographic Watermark |
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| LI Zhi-bin and XIA Fei.Application for Copyright Protection Based on Digital Holographic Watermark[J].Journal of Shanghai University of Electric Power,2009,25(1):70-74. |
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| Authors: | LI Zhi-bin and XIA Fei |
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| Affiliation: | 1.School of Electric Power & Automation Engineering;Shanghai University of Electric Power;Shanghai 200090;China;2.College of Optics & Electronics Engineering;University of Shanghai for Science and Technology;Shanghai 200093;China |
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| Abstract: | A new method to protect the copyright based on digital holography is proposed.The Fresnel hologram of copyright image is embedded in the object to be protected through discrete wavelet transform(DWT).After the watermark detection,the copyright information appears in the reconstruction of hologram.With the higher redundancy feature in the hologram,the proposed technique could actually survive several kinds of image processing.A series of experiments are carried out in image protection and the results prove t... |
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| Keywords: | digital holography copyright protection digital watermark robustness |
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