A reversible watermarking for authenticating 2D CAD engineering graphics based on iterative embedding and virtual coordinates

被引：0
作者：
Fei Peng
Qin Long
Zi-Xing Lin
Min Long
机构：
[1] Hunan University,College of Computer Science and Electronic Engineering
[2] Changsha University of Science and Technology,College of Computer and Communication Engineering
来源：
Multimedia Tools and Applications | 2019年 / 78卷
关键词：
Reversible watermarking; 2D CAD engineering graphics; Iterative embedding; Virtual coordinate;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Aim to authenticate the integrity of 2D CAD engineering graphics, a reversible watermarking method based on iterative embedding and virtual coordinates is proposed. For each vertex in 2D CAD engineering graphics, two neighboring virtual coordinates are generated to form an embedding data unit, which is good for the improvement of the correlation of them. Meanwhile, iterative embedding policy is implemented to enhance the capacity. Experimental results and analysis show that it is strictly reversible, and the capacity is positive proportion to the embedding times. Meanwhile, the distortion can be well controlled in a small range, and it is robust against translation and scaling. It has potential application in the integrity protection of 2D CAD engineering graphics with low correlation and high data precision requirements.
引用
收藏
页码：26885 / 26905
页数：20
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