A new data hiding method for H.264 based on secret sharing

A new data hiding method for H.264 based on secret sharing
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一种基于秘密共享的H.264数据隐藏新方法

DOI:
10.1016/j.neucom.2015.02.102
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发表时间:
2016-05
期刊:
影响因子:
6
通讯作者:
Yunxia Liu
Yunxia Liu
中科院分区:
计算机科学2区
文献类型:
--
作者:
Yunxia Liu

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提出了一种新的H.264帧内无失真漂移的数据隐藏方法。首先利用Shamir -变化s (t, n)阈值秘密共享,将嵌入的秘密数据用矩阵方程分布到n个子秘密中;然后选择具有预测模式的块,将嵌入的数据嵌入到所选块的离散余弦变换(DCT)系数中。最后,利用视频帧的t个子秘密提取出隐藏数据的同时,尽可能地恢复原始视频。实验结果表明,这种新的鲁棒数据隐藏方法不仅鲁棒性更强,有效地避免了帧内失真漂移,获得了良好的视觉质量,而且能够很好地保护原始视频。
This paper proposes a new data hiding method for H.264 without intra-frame distortion drift. The embedded secret data is first distributed into n sub-secrets with matrix equation by using Shamir׳s (t, n)-threshold secret sharing. Then we choose the block with prediction mode and embed the embedded data into discrete cosine transform (DCT) coefficients of the selected block. Finally, we recover the original video as much as possible when the hidden data is extracted out by using the t sub-secrets of the video frames. The experimental results show that this new robust data hiding method not only can get more robustness, effectively avert intra-frame distortion drift and get good visual quality, but also can protect the original video.
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