High Capacity Reversible Data Hiding for 3D Meshes in the PVQ Domain

Authors:
Zhe-Ming Lu;Zhen Li
Affiliations:
Media Processing and Communication Research Center, School of Information Science and Technology, Sun Yat-Sen University, Guangzhou, P.R. China 510275 and Department of Electronic and Information ...;Department of Electronic and Information Engineering, Harbin Institute of Technology Shenzhen Graduate School, Shenzhen, P.R. China 518055
Venue:
IWDW '07 Proceedings of the 6th International Workshop on Digital Watermarking
Year:
2008

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Abstract

In the digitized world nowadays, digital content (audio, images, video, 3D meshes, etc.) can be easily copied, manipulated and distributed. Copyright protection and integrity verification of digital content have become urgent problems for multimedia owners and distributors. In addition, to alleviate bandwidth requirements, vector quantization (VQ) is an effective and popular vertex data compression technique for triangle meshes. In this paper, we present a new data hiding method for 3D triangle meshes in the predictive VQ domain. The proposed method is reversible and enables the cover mesh data to be completely restored when the payload is removed from the VQ bitstream. The mechanism is embedding the payload by modifying the prediction rules during the VQ process. Besides, the hash of the cover mesh can be hidden for the self authentication purpose. Experimental results demonstrate the high capacity of the proposed data hiding scheme.