Complex EGI Based 3D-Mesh Watermarking*

Authors:
Jong-Won Lee;Suk-Hwan Lee;Ki-Ryong Kwon;Kuhn-Il Lee
Affiliations:
The authors are with the School of Electrical Engineering and Computer Science, Kyungpook National University, 1370, Sankyuk-dong, Buk-gu, Daegu 702-701, Republic of Korea.,;The author is with the Department of Information Security, TongMyong University of Information Technology, 535 Yongdang-dong, Nam-gu, Pusan, 608-711, Republic of Korea. E-mail: skylee@tit.ac.kr,;The author is with the Division of Digital and Information Engineering, Pusan University of Foreign Studies, 55-1, Uam-dong, Nam-gu, Pusan, 608-738, Republic of Korea.;The authors are with the School of Electrical Engineering and Computer Science, Kyungpook National University, 1370, Sankyuk-dong, Buk-gu, Daegu 702-701, Republic of Korea.,
Venue:
IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences
Year:
2005

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Abstract

We proposed 3D-mesh watermarking using CEGI distribution that has robustness against mesh simplification, cropping, vertex randomization, and rotation and which does not need the original model for detection the watermark. The proposed algorithm embeds the watermark bits into the normal vector direction of meshes that are mapped into the cells that have the large magnitude of complex weight in patch CEGIs. The watermark can be detected based on the known center point of each patch and the rank table of the cell in each patch instead of original model. Experimental results verified that the proposed algorithm has robustness against the attacks.