基于最低位有效算法和变化元素的矢量动画水印方案

doi:10.11772/j.issn.1001-9081.2014.05.1304

计算机应用 ›› 2014, Vol. 34 ›› Issue (5): 1304-1308.DOI: 10.11772/j.issn.1001-9081.2014.05.1304

基于最低位有效算法和变化元素的矢量动画水印方案

王涛¹,李复旦¹,徐超²,陈艳¹

1. 华南师范大学计算机学院，广州 510631
2. 广州市信息安全测评中心测评部，广州 510635

收稿日期:2013-11-26 修回日期:2013-12-30 出版日期:2014-05-01 发布日期:2014-05-30
通讯作者: 王涛
作者简介:王涛(1975-)，男，广东广州人，副教授，博士，主要研究方向：信息安全、形式化分析方法；李复旦(1988-)，男，湖南岳阳人，硕士研究生，主要研究方向：数字水印；徐超(1976-)，男，湖北孝感人，硕士，主要研究方向：信息安全、安全测评；陈艳(1988-)，女，湖南娄底人，硕士研究生，主要研究方向：数字图像分割处理。
基金资助:
广州市科技攻关专项资助

Digital watermarking scheme of vector animation based on least significant bit algorithm and changed elements

WANG Tao¹,LI Fudan¹,XU Chao²,CHEN Yan¹

1. School of Computer, South China Normal University, Guangzhou Guangdong 510631, China;
2. Test Department, Guangzhou Information Security Test and Evaluation Center, Guangzhou Guangdong 510635, Chin

Received:2013-11-26 Revised:2013-12-30 Online:2014-05-01 Published:2014-05-30
Contact: WANG Tao

摘要/Abstract

摘要：

提出一种充分利用矢量动画的矢量数据存储方式和时序特性的盲水印方案。首先，采用矢量动画相邻帧间变化元素的颜色值作为水印嵌入目标；然后，以最低位有效算法作为嵌入/提取算法，并将多组水印进行编码后嵌入到矢量动画中；最后，根据提取的多组水印进行相互验证、优化，得出准确的水印。理论分析与实验结果表明，所提算法易实现，具有良好的鲁棒性，能实现篡改提示效果，且能在载体播放时实时嵌入与提取水印。

Abstract:

For the vacancies on digital watermarking technology based on 2D-vector animation, this paper proposed a blind watermarking scheme which made full use of vector characteristics and the timing characteristics. This scheme adopted color values of adjacent frames in vector animation changed elements as embedded target. And it used Least Significant Bit(LSB) algorithm as embedding/extraction algorithm, which embedded multiple group watermarks to vector animation. Finally the accurate watermark could be obtained by verifying the extracted multiple group watermarks. Theoretical analysis and experimental results show that this scheme is not only easy to implement and well in robustness, but also can realize tamper-proofing. What's more, the vector animation can be played in real-time during the watermark embedding and extraction.

中图分类号:

TP309.2

王涛李复旦徐超陈艳. 基于最低位有效算法和变化元素的矢量动画水印方案[J]. 计算机应用, 2014, 34(5): 1304-1308.

WANG Tao LI Fudan XU Chao CHEN Yan. Digital watermarking scheme of vector animation based on least significant bit algorithm and changed elements[J]. Journal of Computer Applications, 2014, 34(5): 1304-1308.

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基于最低位有效算法和变化元素的矢量动画水印方案

Digital watermarking scheme of vector animation based on least significant bit algorithm and changed elements

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