Abstract
In this paper, a new blind video watermarking scheme in H.264 compressed domain is proposed based on the existing video watermarking schemes and combing with the new characteristics of H.264 coding standard. The submacroblocks of I4 which have more nonzero quantized coefficients are chosen as embedding locations. The watermark is embedded into video sequence by modifying the number of nonzero (NNZ) quantized coefficients of I frames on the basis of the probability matrix which is defined according to the distribution characteristics of DCT coefficients. The simulation results show that the proposed method can prevent bit-rate increase and improve embedding capacity without sacrificing perceptual quality. On the other hand, it is not necessary to fully decode the compressed video in extracting process, and this method can also meet the requirements of real-timing and blind detection.
Key technique investigation of video security based watermarking, Henan Research Program of Foundation and Advanced Technology(102300410003).
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Shen, J., Hu, Q., Qiao, P., Zhang, W., Liu, R. (2013). A Blind Watermarking Method in H.264 Compressed Domain. In: Tan, T., Ruan, Q., Chen, X., Ma, H., Wang, L. (eds) Advances in Image and Graphics Technologies. IGTA 2013. Communications in Computer and Information Science, vol 363. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-37149-3_14
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DOI: https://doi.org/10.1007/978-3-642-37149-3_14
Publisher Name: Springer, Berlin, Heidelberg
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