In this paper, we focus on the transcoding between MPEG-2 and MPEG-4. A motion vector re-use transcoding structure is put forward here, and the key algorithms are studied also.
本文主要研究了MPEG - 2到MPEG - 4的转换编码，提出了运动矢量映射的转码结构，并对其中的关键算法进行了研究和实现。
In this paper, we focus on the transcoding between MPEG-2 and MPEG-4. A motion vector re-use transcoding structure is put forward here, and the key algorithms are studied also.
本文主要研究了MPEG - 2到MPEG - 4的转换编码，提出了运动矢量映射的转码结构，并对其中的关键算法进行了研究和实现。
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