| 地理信息数字水印技术的实现 |
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| 引用本文： | 江永林.地理信息数字水印技术的实现[J].测绘科学与工程,2006,26(2):32-35. |
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| 作者姓名： | 江永林 |
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| 摘 要： | 数字水印技术在测绘领域的应用是地理信息安全保密的重要手段。本文在对地理信息数据特征有效分析的基础上，结合不同地理信息产品的数据格式特征，阐述了利用数字水印技术建立相应的数字水印嵌入、提取理论模型的技术和实现方法。
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| 关 键 词： | 数字水印 矢量数据 栅格数据 算法设计 |
The Realization of Digital Watermark Technology in Geographical Information |
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| Jiang Yonglin.The Realization of Digital Watermark Technology in Geographical Information[J].Geomatic Science and Engineering,2006,26(2):32-35. |
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| Authors: | Jiang Yonglin |
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| Abstract: | The digital watermark technology in surveying area is an important method for the safety of ge ographical information. In this paper, considering the different product formats of geographical information, the technologies and methods for establishing of theoretical model for digital watermark embedding and extracting are presented, based on the effective analysis on geographical information features. |
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| Keywords: | digital watermark vector data raster data algorithm design |
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