Watermark synchronization based on locally most stable feature points

Authors:
Jiansheng Qian;Leida Li;Zhaolin Lu
Affiliations:
School of Information and Electrical Engineering, China University of Mining and Technology, Xuzhou, P.R. China;School of Information and Electrical Engineering, China University of Mining and Technology, Xuzhou, P.R. China;School of Information and Electrical Engineering, China University of Mining and Technology, Xuzhou, P.R. China
Venue:
ICCCI'10 Proceedings of the Second international conference on Computational collective intelligence: technologies and applications - Volume Part II
Year:
2010

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Abstract

A novel feature based watermark synchronization scheme is presented in this paper. The feature points are first extracted from the image and the idea of locally most stable feature points (LMSP) is proposed to generate some non-overlapped circular areas. The local regions are geometrically invariant so that they can be directly used for efficient watermark embedding and extraction. Simulation results have demonstrated the effectiveness of the proposed scheme.