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Motion Estimation module in H.264/AVC video encoder has the most computational load and memory access complexity, since it includes integer and fractional motion vector estimation. In the present paper, fractional motion estimation process analysis is performed based on which a Digital Signal Processor (DSP) specific optimized implementation is developed. The integration of the interpolation module...
This paper presents a statistical analysis of several key factors in H.264/AVC motion estimation, including the relationship between sum of absolute difference and sum of absolute transformed difference (SATD) in macroblock (MB) level, the changes of SATD from full-pixel precision to quarter-pixel precision, and so on. Based on these statistical characteristics, we proved the validity of a fractional...
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