A Shape-Preserving Method for Watermarking 2D Vector Maps Based on Statistic Detection

Authors:
Cheng Yong Shao;Hai Long Wang;Xia Mu Niu;Xiao Tong Wang
Affiliations:
The authors are with Dalian Naval Academy, Dalian, P.R. China. E-mail: chengyong.shao@dsp.hit.edu.cn,;The authors are with Information Security Technique Research Center, ShenZhen Graduate School, Harbin Institute of Technology, Harbin, P.R. China. E-mail: wanghailong@dsp.hit.edu.cn, E-mail: xiamu ...;The authors are with Information Security Technique Research Center, ShenZhen Graduate School, Harbin Institute of Technology, Harbin, P.R. China. E-mail: wanghailong@dsp.hit.edu.cn, E-mail: xiamu ...;The authors are with Dalian Naval Academy, Dalian, P.R. China. E-mail: chengyong.shao@dsp.hit.edu.cn,
Venue:
IEICE - Transactions on Information and Systems
Year:
2006

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Abstract

A statistic based algorithm for watermarking 2D vector maps is proposed. Instead of 2D coordinates, a one-dimensional distance sequence extracted from the original map is used as the cover data to achieve the shape-preserving ability. The statistical feature of the cover data is utilized for data embedding. Experiment results indicate the scheme's better performance in invisibility, as well as its robustness to certain attacks.