[1]崔壮,吕俊白.采用光流场运动估计的双树复小波域视频水印算法[J].华侨大学学报(自然科学版),2014,35(4):392-396.[doi:10.11830/ISSN.1000-5013.2014.04.0392]
　CUI Zhuang,LYU Jun-bai.A Digital Watermarking Algorithm Using the Motion Estimation of Optical Flow Field in the DT-CWT[J].Journal of Huaqiao University(Natural Science),2014,35(4):392-396.[doi:10.11830/ISSN.1000-5013.2014.04.0392]
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采用光流场运动估计的双树复小波域视频水印算法()
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《华侨大学学报（自然科学版）》[ISSN:1000-5013/CN:35-1079/N]

卷:
第35卷
期数:
2014年第4期
页码:
392-396
栏目:
出版日期:
2014-07-10

文章信息/Info

Title:
A Digital Watermarking Algorithm Using the Motion Estimation of Optical Flow Field in the DT-CWT
文章编号:
1000-5013(2014)04-0392-05
作者:
崔壮;  吕俊白
华侨大学 计算机科学与技术学院, 福建 厦门 361021
Author(s):
CUI Zhuang;  LYU Jun-bai
College of Computer Science and Technology, Huaqiao University, Xiamen 361021, China
关键词:
光流场;  双树复小波变换;  运动估计;  数字水印
Keywords:
optical flow field;  dual tree complex wavelet transform;  motion estimation;  digital watermarking
分类号:
TP391
DOI:
10.11830/ISSN.1000-5013.2014.04.0392
文献标志码:
A
摘要:
提出一种基于光流场的双树复小波变换(DT-CWT)的数字水印算法.首先利用光流信息检测出视频序列的关键帧,然后利用光流场技术对选取的关键帧进行局部区域的运动估计.最后,根据人眼对快速流动物体敏感性弱的特点,将水印信号分块嵌入关键帧内快速运动区域.测试结果表明:该算法具有很好的不可见特性,在面对噪声、缩放等恶意攻击时也具有很好的稳定性,同时也具有很好的实时性.
Abstract:
This article presents a digital watermark algorithm based on optical flow field in dual tree complex wavelet transform(DT-CWT). In the beginning, detected the key frame of the video by optical flow information, then do the motion estimation of the key frame using optical flow field. According to the sensitivity of the human eye for the rapid flow things, embed the sub-block watermark in the area of rapid movement. The measuring result shows that this algorithm has great features of the sight. At the same time, it’s has great stability face to the noise, scaling and other malicious attacks, it also shows a good real-time.

参考文献/References:

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[7] 谢梅芬.Horn-Schunck光流算法在运动目标检测及跟踪中的运用研究[J].长江大学学报:自然科学版,2012,11(9):146-147.
[8] 李玉峰.基于动态帧的视频关键帧提取算法研究[J].天津科技大学学报,2009,24(4):69-72.
[9] 曾骁,陈真勇,陈明,等.基于帧间预测误差扩展的可逆视频水印[J].计算机辅助设计与图形学报,2010,22(5):871-878.
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相似文献/References:

[1]崔壮,吕俊白.基于光流场运动估计的双树复小波域视频水印算法[J].华侨大学学报(自然科学版),2015,36(预先出版):0.
　CUI Zhuang,LYU Jun-bai.A Digital Watermarking Algorithm Based on the Motion Estimation of Optical Flow Field in the DT-CWT[J].Journal of Huaqiao University(Natural Science),2015,36(4):0.

备注/Memo

备注/Memo:
收稿日期: 2013-03-26
通信作者: 吕俊白(1969-),女, 副教授,主要从事视频编码、数字图像处理的研究.E-mail:ltgcs@hqu.edu.cn.
更新日期/Last Update: 2014-07-20