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In this paper, an efficient search center definition algorithm is proposed for H.264/AVC. H.264/AVC achieved high coding efficiency by introducing some new coding tools including a new definition of the search center. However, the definition of the search center is not efficient in the case of significant motions. This work proposes some new search center candidates using spatial and temporal correlations...
The H.264 standard provides significantly high compression efficiency with multiple block size Motion Estimation adopted. However, the encoding time of Motion Estimation and Discrete Cosine Transform is dramatically increased as a result. An early mode decision algorithm is proposed in this paper to control the computation complexity. It derives a threshold to make mode decisions in advance. Experimental...
In H.264/AVC video coding standard, rate distortion optimization (RDO) is a very efficient technique to decide the coding mode of the macroblock and improves the coding performance greatly. But at the same time, RDO introduces a great deal of computation complexity because it needs to do the transform and entropy coding to get accurate distortion and bit-rate to calculate the Lagrange cost. In order...
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