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In a decade where the prominence of video applications has become increasingly prevalent, the optimization of video coding processes remains as important as ever. The directional intra prediction has been proved as an effective tool for intra picture coding. However, in a directional intra prediction based coding structure, there is a considerable gap between the transform efficiency of DCT and the...
In this paper, a fast RDO quantization algorithm for H.264/AVC is proposed. In this algorithm, we consider that each quantized coefficient of level / may take one of the three possible levels / or I-I or / + 1 for output, thus 316 combinations need to be tested for a 4x4 block. To reduce the searching space of level adjustments, the input quantized coefficients are filtered in a hierarchical way....
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