It adopts video shot segmentation and 3D wavelet transform to watermarking embedding, as well as watermarking detection arithmetic based on maximum likelihood criteria.
它利用了视频场景镜头分割技术和三维小波变换的空时多分辨水印嵌入策略,以及根据最大似然准则的水印检测算法。
参考来源 - 一种基于三维小波的视频水印空时算法·2,447,543篇论文数据，部分数据来源于NoteExpress
Then key frame extraction will be carried out after shot segmentation to describe main content of shot.
视频分割为镜头后，下一步的工作就是进行关键帧提取，用以描述镜头的主要内容。
A novel video content authentication scheme, based on cloud watermark and shot segmentation, is proposed.
基于云水印及镜头分割技术，提出了一种新颖的视频内容认证方案。
Up to now, more and more video materials are stored and transmitted in the compression form, so it is practical to study the shot segmentation algorithms based on compressed video data.
从实用角度看，目前越来越多的动态视频资料都是以压缩形式存储和传输，所以，研究基于压缩视频流的算法更有实际意义。
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