| 基于运动矢量和模式选择的视频水印方案 |
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| 引用本文： | 夏丽娟,冯桂,黄建筑. 基于运动矢量和模式选择的视频水印方案[J]. 计算机工程与应用, 2011, 47(24): 93-96. DOI: 10.3778/j.issn.1002-8331.2011.24.026 |
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| 作者姓名： | 夏丽娟 冯桂 黄建筑 |
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| 作者单位： | 华侨大学 信息科学与工程学院，福建 泉州 362021 |
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| 摘 要： | 根据H.264编码的新标准，提出一种基于运动矢量和模式选择的视频水印方案。将水印嵌入到具有小分割模式的宏块中，通过在运动搜索中最小化拉格朗日函数选择嵌入水印后具有最佳率失真性能的运动矢量作为嵌入点。实验结果表明，该算法对视频的质量和码率影响较小，并且水印对视频的重量化编码和噪声攻击有一定的鲁棒性。
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| 关 键 词： | 视频水印 模式选择 H.264 拉格朗日函数 |
| 修稿时间： | |
Video watermark scheme based on motion vector and mode selection |
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| XIA Lijuan,FENG Gui,HUANG Jianzhu. Video watermark scheme based on motion vector and mode selection[J]. Computer Engineering and Applications, 2011, 47(24): 93-96. DOI: 10.3778/j.issn.1002-8331.2011.24.026 |
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| Authors: | XIA Lijuan FENG Gui HUANG Jianzhu |
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| Affiliation: | College of Information Science and Engineering，Huaqiao University，Quanzhou，Fujian 362021，China |
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| Abstract: | According to the new H.264 coding standard,a video watermark scheme based on motion vector and mode selec-tion is proposed.The watermark is embedded into the motion vector with small splitting.By minimizing the Laragian function in motion search to find the motion vector that has the best rate distortion performance.Experimental results demonstrate that the algorithm can achieve robustness to the re-encoding and noise attacks with little affect to video quality and bit rate. |
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| Keywords: | video watermark mode selection H.264 Laragian function |
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