面向网关版权保护的抗几何攻击视频水印方法

计算机应用 ›› 2013, Vol. 33 ›› Issue (12): 3531-3535.

面向网关版权保护的抗几何攻击视频水印方法

刘洪滨,杜玲,姬红利

天津大学计算机科学与技术学院，天津 300072

收稿日期:2013-06-25 修回日期:2013-09-02 出版日期:2013-12-01 发布日期:2013-12-31
通讯作者: 刘洪滨
作者简介:刘洪滨(1989-),男,湖南娄底人,硕士研究生,主要研究方向:图像处理、视频水印;
杜玲(1982-),女,辽宁沈阳人,博士研究生,主要研究方向:多媒体信息安全、数字水印、信息隐藏；
姬红利(1989-),女,山东济宁人,硕士研究生,主要研究方向:计算机视觉、图像处理。
基金资助:
中国科学院科技先导项目

Fast geometric resistant video watermarking scheme for gateway copyright protection

LIU Hongbin,DU Ling,JI Hongli

School of Computer Science and Technology, Tianjin University, Tianjin 300072, China

Received:2013-06-25 Revised:2013-09-02 Online:2013-12-31 Published:2013-12-01
Contact: LIU Hongbin
Supported by:
Strategic Priority Research Program of Chinese Academy of Sciences

摘要/Abstract

摘要： 为了解决网关视频的版权保护问题，提出了一种网关视频水印快速嵌入和提取方法。该方法在视频帧内，首先以近线性时间检测和挑选仿射协变区域，然后采用基于最小生成树的区域选择算法消除重叠区域，最后以线性时间在离散小波变换域内嵌入水印；在视频帧间，利用视频场景的连续性基于场景边界仿射协变区域预测场景内部仿射协变区域以达到整体加速的目的。攻击实验表明：对测试序列嵌入水印后，针对几何攻击和格式变换压缩攻击，水印检测准确率分别达到93%和83%以上。仿真实验表明：在400在线主机局域网内，该方法能在10帧以内成功阻断网关水印视频的传输。

关键词: 视频水印, 场景边界检测, 网关过滤, 版权保护, 最小生成树, 特征提取

Abstract: To solve the problem of gateway copyright protection, a new fast approach was put forward for embedding and extracting gateway watermark in digital video. In intra frame watermarking, the method elegantly detected and selected affine covariant regions in nearly linear complexity. Then, the overlapped affine covariant regions were eliminated based on minimal spanning tree. Last, watermark bits were embedded in Discrete Wavelet Transform (DWT) coefficients in linear time. In inter frame watermarking, the method effectively utilized the continuity inside video scenes to predict the affine covariant regions in no-boundary frames based on boundary frame. The attacking experimental results show that under geometric attacks and format conversion attacks, the accuracies of watermark detection are above 93% and 83% respectively. The simulation results show that in local network with 400 online hosts, the proposed method can block gateway watermark video transmission within 10 frames.

Key words: video watermarking, shot transition detection, gateway filtering, copyright protection, minimal spanning tree, feature detection

中图分类号:

TP309

刘洪滨杜玲姬红利. 面向网关版权保护的抗几何攻击视频水印方法[J]. 计算机应用, 2013, 33(12): 3531-3535.

LIU Hongbin DU Ling JI Hongli. Fast geometric resistant video watermarking scheme for gateway copyright protection[J]. Journal of Computer Applications, 2013, 33(12): 3531-3535.

参考文献

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