视频数字水印技术是当前水印研究中的一个热点。
Digital watermarking technology of video image is a hot topic in present watermarking researching area.
本文的MPEG-4视频数字水印主要是针对未压缩域水印技术进行研究的，而对压缩域的水印技术没有涉及。
The MPEG-4 digital watermarking mentioned here is only for uncompressed. But those for compressed are not concerned in this thesis.
实验证明，该视频数字水印算法在不降低视频质量的基础上，能够抵抗多种干扰和攻击，具有良好的稳定性和鲁棒性，并验证了以上分析。
Experiment verifies that this algorithm, depending on the foundation of not reducing the quality of video, can resist multiple disturbance and attack, and have good stability and robust.
数字水印是一种嵌入到图像、视频或者音频数据中的不可见标志，通过对水印信息的检测可以达到保护多媒体数据版权的目的。
Digital watermark is invisible mark embedded in digital image, video or audio documents, by detecting the information of watermarking to protect copyright of multimedia data.
本发明涉及一种基于小波变换的数字水印技术，是一种多媒体视频数据保护方法，属于多媒体信号处理领域。
The digital wat remark technique based on a wavelet transform is a method for protecting multi media video data, belonging to the multi media signal processing area.
本发明涉及一种基于小波变换的数字水印技术，是一种多媒体视频数据保护方法，属于多媒体信号处理领域。
The digital wat remark technique based on a wavelet transform is a method for protecting multi media video data, belonging to the multi media signal processing area.
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