Volume 5 Number 4 (Apr. 2010)
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JSW 2010 Vol.5(4): 437-446 ISSN: 1796-217X
doi: 10.4304/jsw.5.4.437-446

A Data Hiding Scheme based on Local Coordinate System for 3D Triangle Mesh Models

ShanchaoYang1, Zhiqiang Yao2
1Key Laboratory of Network Security and Cryptology, Fujian Normal University, Fuzhou, China
2Faculty of Software, Fujian Normal University, Fuzhou, China

Abstract—Recently there is increased interest in hiding data in 3-D objects due to the ever-increasing diffusion of such objects in many areas such as architecture design, entertainment and cultural heritage. A data hiding scheme for 3D triangle mesh models is proposed in this paper. Constructed by the vertex and its 1-ring neighbors, rather than by only its 1-ring neighbors, the local coordinate system can represent the local geometry better and visual quality of 3D model can be controlled better when message is embedded. Message is embedded by modifying coordinate of the central vertex without changing the coordinate systems. Being built on special local features of the 3D model, the local coordinate systems are invariable under RST (rotation, uniform scaling, translation) transformation. Therefore, the algorithm is resilient to RST attack. Combining the local coordinate systems with a special quantization technique, the high capacity and imperceptibility are achieved. These properties are also validated by experimental results in the paper.

Index Terms—Data Hiding, 3D Model, Local Coordinate System.

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Cite: ShanchaoYang, Zhiqiang Yao, "ShanchaoYang, Zhiqiang Yao," Journal of Software vol. 5, no. 4, pp. 437-446, 2010.

General Information

ISSN: 1796-217X (Online)
Frequency: Monthly
Editor-in-Chief: Prof. Antanas Verikas
Executive Editor: Ms. Yoyo Y. Zhou
Abstracting/ Indexing: DBLP, EBSCO, ProQuest, INSPEC, ULRICH's Periodicals Directory, WorldCat, etc
E-mail: jsw@iap.org
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