Fragile Watermarking of 3D Models in a Transformed Domain

被引：6

作者：

Botta, Marco ^{[1
]}

Cavagnino, Davide ^{[1
]}

Gribaudo, Marco ^{[2
]}

Piazzolla, Pietro ^{[3
]}

机构：

[1] Univ Torino, Dipartimento Informat, I-10100 Turin, Italy

[2] Politecn Milan, Dipartimento Elettron Informaz & Bioingn, I-20100 Milan, Italy

[3] Politecn Torino, Dipartimento Ingn Gest & Prod DIGEP, I-10100 Turin, Italy

来源：

APPLIED SCIENCES-BASEL | 2020年 / 10卷 / 09期

关键词：

3D model; integrity protection; fragile watermarking; data hiding; genetic algorithm; Karhunen-Loeve transform; SCHEME; MESH;

D O I：

10.3390/app10093244

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

This paper presents an algorithm aimed at the integrity protection of 3D models represented as a set of vertices and polygons. The proposed method defines a procedure to perform a fragile watermarking of the vertices' data, namely 3D coordinates and polygons, introducing a very small error in the vertices' coordinates. The watermark bit string is embedded into a secret vector space defined by the Karhunen-Loeve transform derived from a key image. Experimental results show the good performance of the method and its security.

引用

页数：15

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