NDLI: High-capacity reversible watermarking scheme of 2D-vector data

Content Provider	Springer Nature Link
Author	Cao, Liujuan Men, Chaoguang Ji, Rongrong
Copyright Year	2014
Abstract	The application of two-dimensional (2D) vector map faces the security issues of copyright protection, which limit the usage of vector data in many scenarios. Reversible watermarking is a more feasible solution, which aims to restore the original data after watermark extraction. In this paper, high-capacity reversible watermarking scheme of 2D-vector data is proposed based on the idea of iterative embedding. It groups vertices as units for each polyline and selects highly correlated vertex units as cover data. Then the reversible embedding is carried out by iteratively modifying the median vertex coordinates of each selected embedding unit. This scheme can strictly recover the original vector data with watermark accurate extraction. Meanwhile, both higher payload capacity and perception invisibility are validated through theoretical analysis and comprehensive experiments. The experimental results show that the proposed reversible watermarking scheme is suitable for 2D-vector data applications where high-precision data are required.
Starting Page	1387
Ending Page	1394
Page Count	8
File Format	PDF
ISSN	18631703
Journal	Signal, Image and Video Processing
Volume Number	9
Issue Number	6
e-ISSN	18631711
Language	English
Publisher	Springer London
Publisher Date	2014-02-12
Publisher Place	London
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Reversible watermarking Vector map Copyright protection Iterative embedding Integer transform High capacity Signal, Image and Speech Processing Image Processing and Computer Vision Computer Imaging, Vision, Pattern Recognition and Graphics Multimedia Information Systems
Content Type	Text
Resource Type	Article
Subject	Signal Processing Electrical and Electronic Engineering

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