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RESEARCH OF LOSSLESS DIGITAL WATERMARKING TECHNOLOGY
Sun Jianguo 1 * #,KOU Liang 2,XIA Songzhu 2
1.Department of Computer Science and Technology, Harbin Engineering University, Harbin 150001
2.Department of Computer Science and Technology, Harbin Engineering University, Harbin, 150001
*Correspondence author
#Submitted by
Subject:
Funding: Ddoctoral Grant （No.No.20112304120025）, National Natural Foundation（No.No.61202455）
Opened online:21 March 2013
Accepted by: none
Citation: Sun Jianguo,KOU Liang,XIA Songzhu.RESEARCH OF LOSSLESS DIGITAL WATERMARKING TECHNOLOGY[OL]. [21 March 2013] http://en.paper.edu.cn/en_releasepaper/content/4526746
 
 
The digital map is an important and indispensable resource to the national strategic security and social economic development. At the present, needs to focus on resolving the utility question of digital vector map copyright protection technology, furthermore, the information hiding technology is the basic content of the research areas of the digital vector maps copyright protection. It is proposed a digital copyright protection scheme, based on the principle of unauthorized cannot resume, copyright embedding operation selection partly transform for the map content. Processing area determined by the spatial clustering analysis method that is based on grid density.
Keywords:information hiding; digital map; copyright protection; clustering
 
 
 

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