Emmanuel D. Frimout

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The transcoding of MPEG video streams is important in a variety of situations such as in rate reduction for small bandwidth downstream channels and in extracting a fast visual playback stream for digital video cassette recorders. This paper addresses transcoding of MPEG intra-coded frames by selectively copying DCT AC coefficients from the primary MPEG(More)
Presents a parallel architecture for a pixel-recursive motion estimation algorithm. It is a linear array of processors, each consisting of an initialization part, a data-routing part, and an updating part. The initialization part performs a prediction of the motion vector. The routing part constitutes routing path along which previous frame data are routed(More)
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