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利用DCT系数映射关系快速实现视频水印嵌入
  • ISSN号：1006-8961
  • 期刊名称：《中国图象图形学报》
  • 分类：TP391[自动化与计算机技术—计算机应用技术;自动化与计算机技术—计算机科学与技术]
  • 作者机构：[1]上海大学通信与信息工程学院,上海200072
  • 相关基金：国家自然科学基金项目（60832010）;上海市自然科学基金项目（09ZR1412400）.
作者： 陈杰[1], 冯国瑞[1]
关键词： 视频水印, MPEG-2, 缩小攻击, 块映射, video watermark , MPEG-2 , down-scaling , block mapping
中文摘要：

针对MPEG-2视频压缩标准，提出一种具备快速实现能力的鲁棒性视频水印嵌入方案。利用视频帧分块DCT系数与整体DCT系数间的映射关系，在水印嵌入和提取过程中避免对视频进行完全解码，减小计算量，提高水印算法实时嵌入、实时检测能力。实验结果表明，该方法能抵抗缩小攻击、高斯白噪声攻击、MPEG-2重编码压缩攻击，而且能够快速实现。

英文摘要：

A robust video watermarking algorithm based on MPEG-2 video compression standard is proposed, which can be implemented efficiently. By using the mapping relationship between video frames＇ block DCT coefficients and the full frame DCT coefficients, the proposed scheme does not need to completely decode the host video in watermark embedding and extraction, and thus reduces the operation cost. Experiments show that the method can effectively resist down-scaling attack and Gaussian white noise contamination and MPEG-2 compression.

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期刊信息
  • 《数码影像》
  • 主管单位:
  • 主办单位:中国图象图形学学会 中科院遥感所 北京应用物理与计算数学研究所
  • 主编：
  • 地址：北京市海淀区花园路6号
  • 邮编：100088
  • 邮箱：
  • 电话：010-86211360 62378784
  • 国际标准刊号：ISSN：1006-8961
  • 国内统一刊号：ISSN：11-3758/TB
  • 邮发代号:
  • 获奖情况:
  • 国内外数据库收录:
  • 被引量:0