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双特征下的二维电子海图水印技术研究

DOI: 10.3969/j.issn.1006-7043.201403082

Keywords: 信息隐藏, 数字水印, 电子海图, 版权保护, 内容扰动, 空间特征

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Abstract:

二维电子海图是一种重要的数字产品, 具有重要的商业价值和战略意义, 针对二维电子海图内容完整性和版权保护验证缺乏相应支撑技术的问题, 为提高其水印技术的实用性, 依据电子海图数据组织结构特征和空间结构特征, 采用阈值灵活控制水印算法对地图内容的扰动, 提高了水印嵌入操作的低扰动、高鲁棒要求, 同类方法测试对比, 该算法具有更好的低误码率, 在抵抗数据压缩, 曲线拟合等常见地图攻击方面, 具有更好的抵抗性能。

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