A Novel Semi-fragile Watermarking Algorithm for 3D Mesh Models

A novel semi-fragile watermarking algorithm based on mesh content was proposed. 3D mesh models were calibrated by principal component analysis first, and then this algorithm constructed spherical coordinates mapping square-matrix to realize 2D parameterization of vertex's geometric data. A bina...

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Published in2012 International Conference on Control Engineering and Communication Technology pp. 782 - 785
Main Authors Xu Tao, Cai Zhao-quan
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.12.2012
Subjects
3D watermarking
Algorithm design and analysis
content certification
Data models
Data processing
mesh watermarking
Principal component analysis
semi-fragile watermarking
Solid modeling
Testing
Watermarking
Online AccessGet full text
ISBN9781467344999
1467344990
DOI10.1109/ICCECT.2012.180

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Abstract A novel semi-fragile watermarking algorithm based on mesh content was proposed. 3D mesh models were calibrated by principal component analysis first, and then this algorithm constructed spherical coordinates mapping square-matrix to realize 2D parameterization of vertex's geometric data. A binary image was chosen as the semi-fragile watermark and hidden in coefficients of square-matrix. Experimental results show that the proposed algorithm can tolerate various mesh normal processing, such as mesh translation, mesh rotation, mesh uniformed scaling, while is sensitive to malicious tampering, such as vertex random noising.
AbstractList A novel semi-fragile watermarking algorithm based on mesh content was proposed. 3D mesh models were calibrated by principal component analysis first, and then this algorithm constructed spherical coordinates mapping square-matrix to realize 2D parameterization of vertex's geometric data. A binary image was chosen as the semi-fragile watermark and hidden in coefficients of square-matrix. Experimental results show that the proposed algorithm can tolerate various mesh normal processing, such as mesh translation, mesh rotation, mesh uniformed scaling, while is sensitive to malicious tampering, such as vertex random noising.
Author Xu Tao
Cai Zhao-quan
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  surname: Cai Zhao-quan
  fullname: Cai Zhao-quan
  email: cai@hzu.edu.cn
  organization: Dept. of Comput. Sci., Huizhou Univ., Huizhou, China
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Snippet A novel semi-fragile watermarking algorithm based on mesh content was proposed. 3D mesh models were calibrated by principal component analysis first, and then...
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StartPage 782
SubjectTerms 3D watermarking
Algorithm design and analysis
content certification
Data models
Data processing
mesh watermarking
Principal component analysis
semi-fragile watermarking
Solid modeling
Testing
Watermarking
Title A Novel Semi-fragile Watermarking Algorithm for 3D Mesh Models
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