Abstract
This paper presents a combined scheme of encryption and watermarking to provide the access right and the authentication of the video content simultaneously. This scheme protects contents more secure because the encrypted content is decrypted when the watermark is exactly detected. And the scheme is appropriate for real-time applications as it is implemented in the encoding process. In addition, we propose more efficient encryption method and watermarking method in the SVC coding as scrutinizing the structural features. For encryption, we proposed an efficient selective encryption scheme which encrypts the intra prediction modes of 4x4 luma block , the sign bits of texture, and the sign bits of MV difference values in the intra frames and the inter frames. The proposed encryption scheme keeps the format compliance and has time efficiency. For watermarking, we propose the reversible watermarking scheme using intra prediction mode. The proposed watermarking scheme has a little bit-overhead, but the degradation of the visual quality doesn’t occur.
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Park, SW., Shin, SU. (2008). Combined Scheme of Encryption and Watermarking in H.264/Scalable Video Coding (SVC). In: Tsihrintzis, G.A., Virvou, M., Howlett, R.J., Jain, L.C. (eds) New Directions in Intelligent Interactive Multimedia. Studies in Computational Intelligence, vol 142. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-68127-4_37
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DOI: https://doi.org/10.1007/978-3-540-68127-4_37
Publisher Name: Springer, Berlin, Heidelberg
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