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帧转换在MPEG-2视频流无缝拼接中有着非常重要的作用。文中就压缩域视频流的无缝拼接中的帧转换技术进行了深入的分析。文中以12帧IBBP结构的GOP为例分析了拼接点处应采用的帧转换方案,在此基础上给出帧转换的具体实现,并通过一个帧转换实验对之进行了验证。
Frame conversion plays a very important role in the seamless splicing of MPEG-2 video streams. In this paper, the frame conversion technology in the seamless video compression of compressed domain is analyzed in depth. In this paper, the frame transformation scheme of splicing point is analyzed by taking GOP of 12-frame IBBP as an example. Based on this, the concrete realization of frame transformation is given and verified by a frame conversion experiment.