基于运动矢量域与DCT域的混合视频水印方案

郑振东; 王  沛; 李  莉

doi:10.11834/jig.20091235

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基于运动矢量域与DCT域的混合视频水印方案
A Hybrid Video Watermarking Scheme Based on Motion Vectors and DCT
2009年14卷第12期页码：2631
纸质出版：2009
DOI： 10.11834/jig.20091235
稿件说明：

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郑振东, 王沛, 李莉. 基于运动矢量域与DCT域的混合视频水印方案[J]. 中国图象图形学报, 2009,14(12):2631. DOI： 10.11834/jig.20091235.

A Hybrid Video Watermarking Scheme Based on Motion Vectors and DCT[J]. Journal of Image and Graphics, 2009, 14(12): 2631. DOI： 10.11834/jig.20091235.

摘要

提出了一种基于运动矢量域与DCT域的混合视频水印方案。在基于压缩域视频水印方案中，传统的基于DCT域视频水印方案与近几年来兴起的基于运动矢量域视频水印方案日渐成为研究的重点与热点。结合这两种水印方案提出了一种混合视频水印的算法。该算法能够在保证视频质量以及有效控制码率增加的情况下，将水印同时嵌入运动矢量域以及DCT域中，并且达到两种水印互相纠错的目的。实验结果表明，水印嵌入后，主客观视频质量都与原始序列相当，而码率的增加也被有效地控制在1%以内。

Abstract

A novel video watermarking scheme based on motion vectors and DCT coefficients is proposed in this paper.In the field of video watermarking scheme based on compressed domain，the scheme based motion vectors and the scheme based on DCT coefficients have become a hot research topic，but there are both advantages and disadvantages in each scheme.So a hybrid video watermarking scheme based on motion vectors and DCT coefficients is proposed.The watermark is embedded in motion vectors and DCT coefficients of the video sequence.And the two kinds of watermark can be corrected for each other.Experiments indicate that after embedding the watermark，both the objective video quality and the subjective video quality are the same as that of original video sequence and the increasing of bitrates is controlled in 1%.