Abstract
In this paper, an efficient video watermarking scheme is presented through modifying the third decoded luminance differential DC component in each selected macro block. The modification is implemented by binary dither modulation with adaptive quantization step. The proposed scheme is based on the observation that luminance differential DC components inside one macro block are generally space correlated, so the quantization step can be adjusted according to adjacent differential components, to utilize properties of human visual system (HVS). Experimental results show that it can be implemented in real time with better visual quality.
Supported by the National Natural Science Foundation of China (No.60702042, 60802057), the 863 Hi-tech Research and Development program of China(No. 2009AA01Z407).
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Jiang, X., Sun, T., Li, J., Yun, Y. (2009). A Novel Real-Time MPEG-2 Video Watermarking Scheme in Copyright Protection. In: Kim, HJ., Katzenbeisser, S., Ho, A.T.S. (eds) Digital Watermarking. IWDW 2008. Lecture Notes in Computer Science, vol 5450. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-04438-0_4
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DOI: https://doi.org/10.1007/978-3-642-04438-0_4
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-04437-3
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