Lossless Digital Watermarking Technology for Vector Maps

SUN Jian-guo; ZHANG Guo-yin; YAO Ai-hong; WU Jun-peng

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Lossless Digital Watermarking Technology for Vector Maps

更新时间：2025-07-16

- Lossless Digital Watermarking Technology for Vector Maps
- Acta Electronica Sinica Vol. 38, Issue 12, Pages: 2786-2790(2010)
- 作者机构：
  
  哈尔滨工程大学计算机科学与技术学院,哈尔滨,150001
- 作者简介：
- 基金信息：
- DOI：
  CLC： TP309.1
- Published：2010
- 稿件说明：
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SUN Jian-guo, ZHANG Guo-yin, YAO Ai-hong, et al. Lossless Digital Watermarking Technology for Vector Maps[J]. Acta Electronica Sinica, 2010, 38(12): 2786-2790.
DOI：

SUN Jian-guo, ZHANG Guo-yin, YAO Ai-hong, et al. Lossless Digital Watermarking Technology for Vector Maps[J]. Acta Electronica Sinica, 2010, 38(12): 2786-2790. DOI：

摘要

在保证对数字矢量地图内容无损的前提下

提出一种基于编码压缩方案的高容量数字水印算法.根据数字矢量地图的文件组成结构

将水印信息隐藏于地图结点的属性数据块内.由于每个属性定义块都保留了冗余空间

在这些冗余空间内嵌入的水印信息不被任何地图编辑工具阅读或显示

水印标识因而具有很好的隐蔽性.实验表明在保持高容量和不可见性的前提下

算法对地图剪切

投影等几何变换

以及格式转换等操作都有很好的抵抗性能.

Abstract

In ensuring the content of digital vector maps lossless

a high-capacity digital watermarking algorithm is proposed based on encoding scheme.According to the structure of TAB file for digital vector maps

the watermark is hidden into the attribute blocks.As each vector object definition reserves redundant space

these information bits cannot be edited and displayed by any map editing tool

the watermark has good concealment.Experimental results show that the algorithm maintaining high capacity and good invisibility

it also can strongly resist various geometric transformations such as cropping

rotation

projection

etc.

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