A Reversible Watermarking Scheme for Vector Maps Based on Multilevel Histogram Modification
To protect the security of vector maps, we propose a novel reversible watermarking scheme for vector maps based on a multilevel histogram modification. First, a difference histogram is constructed using the correlations of adjacent coordinates, and the histogram is divided into continuous regions an...
Main Authors: | Xiang Hou, Lianquan Min, Hui Yang |
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Format: | Article |
Language: | English |
Published: |
MDPI AG
2018-09-01
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Series: | Symmetry |
Subjects: | |
Online Access: | http://www.mdpi.com/2073-8994/10/9/397 |
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