| 针对版权保护的图形图像数字水印算法 |
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| 引用本文： | 顾翀.针对版权保护的图形图像数字水印算法[J].天津科技大学学报,2010,25(1):62-65. |
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| 作者姓名： | 顾翀 |
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| 作者单位： | 天津科技大学包装与印刷工程学院,天津,300222 |
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| 基金项目： | 天津科技大学科学研究基金资助项目 |
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| 摘 要： | 针对矢量图形数据和栅格图像数据的差异,围绕着数字水印算法的鲁棒性和透明性进行研究,提出了基于坐标漂移的图形数据水印算法和基于DCT的图像水印算法,并利用软件实现了数字水印的嵌入和提取.实验表明,这两种算法不仅满足数字水印透明性的要求,而且对于常规的数据攻击均具有很强的抵抗能力.
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| 关 键 词： | 数字水印 矢量 栅格 离散余弦变换 鲁棒性 |
Digital Watermarking System of Graphic and Image for Copyright Protection |
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| GU Chong.Digital Watermarking System of Graphic and Image for Copyright Protection[J].Journal of Tianjin University of Science & Technology,2010,25(1):62-65. |
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| Authors: | GU Chong |
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| Affiliation: | GU Chong(College of Packaging , Printing Engineering,Tianjin University of Science & Technology,Tianjin 300222,China) |
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| Abstract: | The issues about the difference between vector graphic data and raster image data were discussed;and the robustness and invisible ability were researched focus on these two kinds of data.Then a vector watermarking algorithm based on coordinate drifting and a DCT raster image watermarking algorithm were proposed,the ultimate digital watermark embedding and extraction were realized with software.Experiments show that both algorithms are not only transparent but also have strong resistance against the common a... |
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| Keywords: | digital watermarking vector raster DCT robustness |
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