Video watermarking algorithm based on skewness

doi:10.3778/j.issn.1002-8331.2008.25.029

Computer Engineering and Applications ›› 2008, Vol. 44 ›› Issue (25): 96-97.DOI: 10.3778/j.issn.1002-8331.2008.25.029

• 网络、通信、安全 • Previous Articles Next Articles

Video watermarking algorithm based on skewness

ZHOU Zhi-yuan¹,LI Yue-qiang¹,SUN Xing-ming²

1.Huaihua Medical College，Huaihua，Hunan 418000，China
2.School of Computer and Communication，Hunan University，Changsha 410082，China

Received:2007-11-15 Revised:2008-02-01 Online:2008-09-01 Published:2008-09-01
Contact: ZHOU Zhi-yuan

基于偏斜度的视频水印算法

周支元¹,李跃强¹,孙星明²

1.怀化医学高等专科学校，湖南怀化 418000
2.湖南大学计算机与通信学院，长沙 410082

通讯作者: 周支元

Abstract

Abstract: This paper proposes a new algorithm of video watermarking based on skewness.Skewness is an eigenvalue of symmetric distribution of the image.Choose the video frames with small skewness，brightness space into blocks before the discrete cosine transform，embed the middle frequency coefficients into watermarking.The result demonstrates that the algorithm is robust and transparent to lossy compression against common signal processing manipulations and attacks，such as noise，cut and conversion etc.

Key words: video watermarking, skewness, Discrete Cosine Transform（DCT）, transparent, robustness, blind-detection

摘要： 提出一种基于偏斜度的视频水印新算法。偏斜度是一个能表征图像是否对称分布的特征量。选择偏斜度很小的视频帧，对亮度空间分块后实施离散余弦变换，在中频系数中嵌入水印。实验证明，该算法对有损压缩有较强的健壮性，较好的透明性，能经受添加噪声、剪切、视频格式转换等常见视频信号处理及攻击。

关键词: 视频水印, 偏斜度, 离散余弦变换, 透明, 健壮, 盲检测

ZHOU Zhi-yuan¹,LI Yue-qiang¹,SUN Xing-ming². Video watermarking algorithm based on skewness[J]. Computer Engineering and Applications, 2008, 44(25): 96-97.

周支元¹,李跃强¹,孙星明². 基于偏斜度的视频水印算法[J]. 计算机工程与应用, 2008, 44(25): 96-97.

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Video watermarking algorithm based on skewness

基于偏斜度的视频水印算法

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