A High-Capacity Block Based Video Watermark

Authors:
Stefan Thiemert;Thomas Vogel;Jana Dittmann;Martin Steinebach
Affiliations:
Fraunhofer IPSI, Darmstadt;Otto-von-Guericke-University, Magdeburg;Otto-von-Guericke-University, Magdeburg;Fraunhofer IPSI, Darmstadt
Venue:
EUROMICRO '04 Proceedings of the 30th EUROMICRO Conference
Year:
2004

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Abstract

Robust watermarks can be used for different applications. Main aspects are robustness, transparency and capacity. In this paper we present a block based video watermark, which is robust against several image processing operations. It provides a high capacity and good transparency. The watermarking scheme enforces a relationship between block averages in groups of blocks to represent the embedded binary message. Furthermore it creates a relationship between chosen coefficients into each block to represent the message redundantly. We present several evaluation results to demonstrate the robustness and transparency of the scheme.