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This paper jointly considers the mechanisms of rate control and the rate-distortion optimization (RDO) for the H.264/AVC hardware encoder. The proposed architecture performs intra prediction and inter prediction with our rate control mechanism in the first two stages. In addition, a low complexity macroblock (MB)-level mean absolute difference (MAD) prediction algorithm which considers both the motion...
This paper proposes an efficient architecture, which can perform multiple 8×8 transforms for both H.264/AVC and VC-1 decoders. The hardware design which supports multiple standards becomes more and more important. By designing a unique data flow for VC-1 8×8 inverse transform, the H.264/AVC and VC-1 8×8 inverse transforms are realized in a hardware sharing architecture. The proposed multiple transforms...
The adaptive motion search algorithm and its corresponding architecture for H.264/AVC are proposed in this paper. The correlations of spatial MBs and temporal MB are exploited to predict the search centers. The origin point is chosen as another search center to enhance the motion search in case of prediction error. Moreover, according to the spatial and temporal correlations, three kinds of search...
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