A robust data hiding algorithm for H.264/AVC video streams

A robust data hiding algorithm for H.264/AVC video streams
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适用于 H.264/AVC 视频流的强大数据隐藏算法

DOI:
10.1016/j.jss.2013.03.101
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发表时间:
2013-08
影响因子:
3.5
通讯作者:
Liu, Jian
Liu, Jian
中科院分区:
计算机科学2区
文献类型:
--
作者:
Liu, Yunxia;Li, Zhitang;Ma, Xiaojing;Liu, Jian

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提出了一种针对H.264/AVC视频流的无帧内失真漂移的稳健的可读性数据隐藏算法。在数据隐藏之前,首先对嵌入的数据进行BCH(n,k,t)校正子编码以提高鲁棒性,然后将编码后的数据嵌入到满足条件的I帧中的4×4亮度离散余弦变换(DCT)块的系数中以避免失真漂移,最后在提取隐藏数据时尽可能地恢复原始视频。实验结果表明,该方法具有较强的鲁棒性,有效地避免了帧内失真漂移,获得了较高的视觉质量。
This paper presents a robust readable data hiding algorithm for H.264/AVC video streams without intra-frame distortion drift. We first encode the embedded data using BCH (n,k,t) syndrome code before data hiding to improve robustness, then we embed the encoded data into coefficients of the 4 × 4 luminance discrete cosine transform (DCT) blocks inIframes which meet our conditions to avert the distortion drift, and finally we recover the original video as much as possible when the hidden data is extracted out. The experimental results show that our scheme can get more robustness, effectively avert intra-frame distortion drift and get high visual quality.
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