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Fully exploiting the spatial feature of image makes H.264/ AVC standard superior in intra prediction part. However, when hardware is considered, full support of all intra modes will cause high design effort, especially for large image size. In this paper, we propose a low design effort solution for intra predictor generation, which is the most significant part in intra engine. Firstly, one parallel...
One fast inter mode decision algorithm is proposed in this paper. The whole algorithm is convoluted with block matching process. Firstly, before ME process, by exploiting spatial and temporal information, a skip mode early detection algorithm is proposed. Also, in this stage, edge gradient is used to filter out unpromising modes. Secondly, during the ME stage, the original search window is separated...
In this paper, we contribute one reconfigurable integer motion estimation (IME) architectures (namely RPPSAD) based on adaptive algorithm. Firstly, based on the pixel difference analysis, the spatial redundancy is further exploited and three subsampling patterns are selected adaptively for the IME process. Secondly, in order to achieve data reuse and power reduction in memory part, the reference pixels...
In this paper, we contribute a configurable SAD tree architecture based on adaptive subsampling scheme. Firstly, by further exploiting the spatial feature, the integer motion estimation process is greatly sped up. Secondly, the conventional partial sum of absolute difference (SAD) based pipeline structure is optimized into configurable SAD oriented way, which enhances the performance and solve the...
The latest H.264/AVC standard can provide us superior coding performance. However, the new technique also brings about complexity problem, especially in motion estimation (ME) part. In hardware, the pipeline stage division of H.264 based ME engine degrades many software oriented complexity reduction schemes. In our paper, we propose one VLSI friendly fast ME algorithm. Firstly, pixel difference based...
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