Digital Watermarking of 3D Model Using Block-based Vector Laplace Matrix

LIN Ke-zheng; YAO Huan; BU Xue-na

Chinese

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Digital Watermarking of 3D Model Using Block-based Vector Laplace Matrix

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- Digital Watermarking of 3D Model Using Block-based Vector Laplace Matrix
- Vol. 16, Issue 5, Pages: 113-117(2011)
- 作者机构：
  
  哈尔滨理工大学计算机科学与技术学院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TP309.7
- Published：2011
- 稿件说明：
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LIN Ke-zheng, YAO Huan, BU Xue-na. Digital Watermarking of 3D Model Using Block-based Vector Laplace Matrix[J]. 2011, 16(5): 113-117.
DOI：

LIN Ke-zheng, YAO Huan, BU Xue-na. Digital Watermarking of 3D Model Using Block-based Vector Laplace Matrix[J]. 2011, 16(5): 113-117. DOI：

摘要

针对三维网格模型数据的版权保护

提出了一种块矢量分布与拉普拉斯矩阵结合的三维模型数字水印算法.对三维模型进行块分解

选取嵌入域

对水印图像进行预处理

构造拉普拉斯矩阵

通过修改拉普拉斯矩阵的频谱系数嵌入处理后的水印信息.实验结果表明:该算法具有很强的鲁棒性、不可见性和较好的抗剪切和仿射变换能力

是一种新的高效的三维网格模型数字水印算法.

Abstract

A digital watermarking algorithm which combines normal vector distribution of each patch with Laplace matrix is proposed for the copyright protection of 3D mesh model.The key idea is to decompose 3D mesh model firstly

and select the embedded domain

and then construct a Laplace matrix after preprocessing the watermark image.Finally we embed the processed watermark image by modifying the spectral coefficient of the Laplace matrix.Experimental results show that the proposed algorithm has better rob...

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Related Author

TIAN Zhong-he

MAN Chun-tao

GUAN Hu

HUANG Ying

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Related Institution

School of Electric and Engineering，Harbin University of Science and Technology

Beijing Engineering Ｒesearch Center of Digital Content Technology，Institute of Automation，CAS

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