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- W2007070853 abstract "This paper addresses the problem of hiding secret message in the bitstream of H.264/AVC compressed videos. Challenges behind the bitstream data-hiding problem are twofold: one is to maintain the drift error caused by the hiding process as minimum as possible, and the other is to keep the bit-rate unaffected after hiding the secret message. In the paper, a new codeword substitution approach is developed that employs the level-suffix codewords as the hiding domain to accommodate the secret message in the compressed bitstream. The proposed method guarantees the bit-rate of marked bitstream to be intact and makes the resultant drift error controllable by choosing suitable levelsuffix codewords for hiding data. Experimental results have shown that the proposed level-suffix codeword substitution approach exhibits good performance in terms of both hiding capacity and reconstructed visual quality." @default.
- W2007070853 created "2016-06-24" @default.
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- W2007070853 date "2014-01-01" @default.
- W2007070853 modified "2023-09-27" @default.
- W2007070853 title "CAVLC codewords substitution for H.264/AVC video data hiding" @default.
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- W2007070853 doi "https://doi.org/10.1109/icce.2014.6776100" @default.
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