面向网络环境的地理空间数据数字水印模型

测绘学报 ›› 2013, Vol. 42 ›› Issue (6): 891-0.

面向网络环境的地理空间数据数字水印模型

符浩军¹,²,朱长青³,赵毅¹,任娜⁴

1. 61363部队
2. 解放军信息工程大学测绘学院
3. 南京师范大学地理科学学院虚拟地理环境教育部重点实验室
4. 南京师范大学虚拟地理环境教育部重点实验室

收稿日期:2012-04-17 修回日期:2012-12-13 出版日期:2013-12-20 发布日期:2013-12-27
通讯作者: 朱长青 E-mail:zcq88@263.net
基金资助:
国家863计划项目

A Geo-Data Watermarking Model For Network Environment

Received:2012-04-17 Revised:2012-12-13 Online:2013-12-20 Published:2013-12-27

摘要/Abstract

摘要：

本文从网络环境下地理空间数据分发、使用的安全性角度出发，结合数据加密思想，顾及到网络环境中地理空间数据特性，构建了一种面向网络环境的地理空间数据数字水印模型。在此模型基础上，考虑到网络环境中地理数据来源的多样性，建立水印算法库，对地理数据本身进行数字水印的嵌入；同时，提出一种基于数据包的数字水印算法，算法将水印信息通过映射函数以量化方式嵌入到网络传输中的数据包中。实验表明，作为一种面向网络环境的数字水印模型，对网络环境下地理空间数据的使用权限控制、版权保护、跟踪管理等问题得到了较好的解决。

关键词: 网络环境, 数字水印模型, 算法库, 数据包, 版权保护

Abstract:

This paper build a digital watermarking model for geospatial data oriented network environment, in the view of security that geospatial data distribution and using in the network environment, based on digital watermarking technology, combined with data encryption thinking, taking into account the characteristics of geospatial data in network environment. Based on this model, considering the diversity source of geographic data in network environment, Establish a watermark algorithm library and embed digital watermark in geographic data itself. at the same time, propose a packet-based digital watermarking algorithm, which embedded watermark information through the mapping function quantifily in the network transmission packet. Experiments show that the digital watermark model oriented the network environment get a better solution for the use of geospatial data access control, copyright protection, tracking management and so on in network environment.

Key words: network environment, digital watermarking model, watermark algorithm library, data packet, copyright protection

中图分类号:

P208

符浩军朱长青赵毅任娜. 面向网络环境的地理空间数据数字水印模型[J]. 测绘学报, 2013, 42(6): 891-0.

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