A fast moving object extraction method working in MPEG compressed domain is proposed in this paper.

论文提出了一种工作于MPEG压缩域的快速运动目标提取算法。

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Moreover, video clipping and merging in MPEG compressed domain is implemented, which will largely exploit network-based applications of CBVAR.

进而，设计并实现了MPEG压缩视频裁剪与拼接功能，大大拓宽了视频检索在网络化方面的应用。

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