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Block-based Reversible Fragile Watermarking for 2D Vector Map Authentication

Block-based Reversible Fragile Watermarking for 2D Vector Map Authentication

Nana Wang, Xiangjun Zhao, Han Zhang
Copyright: © 2015 |Volume: 7 |Issue: 3 |Pages: 21
ISSN: 1941-6210|EISSN: 1941-6229|EISBN13: 9781466676954|DOI: 10.4018/IJDCF.2015070104
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MLA

Wang, Nana, et al. "Block-based Reversible Fragile Watermarking for 2D Vector Map Authentication." IJDCF vol.7, no.3 2015: pp.60-80. http://doi.org/10.4018/IJDCF.2015070104

APA

Wang, N., Zhao, X., & Zhang, H. (2015). Block-based Reversible Fragile Watermarking for 2D Vector Map Authentication. International Journal of Digital Crime and Forensics (IJDCF), 7(3), 60-80. http://doi.org/10.4018/IJDCF.2015070104

Chicago

Wang, Nana, Xiangjun Zhao, and Han Zhang. "Block-based Reversible Fragile Watermarking for 2D Vector Map Authentication," International Journal of Digital Crime and Forensics (IJDCF) 7, no.3: 60-80. http://doi.org/10.4018/IJDCF.2015070104

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Abstract

In this paper, the authors propose a block-based reversible watermarking method for 2D vector map authentication. In the scheme, they divide the features of a vector map into different categories of blocks, calculate an authentication watermark for each block, and embed the watermarks of different blocks using a reversible watermarking method based on virtual coordinates and a fragile watermarking algorithm based on concentric circles. While the block division ensures superior accuracy of tamper localization, the two watermarking methods provide recovery of the original content. Experimental results show that the proposed scheme has good invisibility, reversibility and computational complexity, and can accurately locate malicious attacks such as vertex modification/addition/deletion and feature modification/addition/deletion.

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