Multiple Search Centers Based Fast Motion Estimation Algorithm for H.264/AVC
PDCAT '10 Proceedings of the 2010 International Conference on Parallel and Distributed Computing, Applications and Technologies
Variable step search fast motion estimation for H.264/AVC video coder
IEEE Transactions on Consumer Electronics
Overview of the H.264/AVC video coding standard
IEEE Transactions on Circuits and Systems for Video Technology
A Statistical Analysis of H.264/AVC FME Mode Reduction
IEEE Transactions on Circuits and Systems for Video Technology
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In this paper, we propose simple and efficient fast integer-pel motion estimation for H.264/AVC. In a sequence, motion vectors of neighbor blocks and the current block have correlations that are different depending on the motion of the sequence. Using the statistical properties of the motion vector and the properties of the sequence, the proposed algorithm adaptively determines a search range. Here, in the simulation result, the motion estimation time was reduced by an average of 96.2% over the full search algorithm (FS) and up to 26.4% over enhanced predictive zonal search (EPZS) at all CIF sequence. The number of search points was also reduced by an average of 29.0%, up to 57.8% over EPZS. On the other hand, BDPSNR was reduced by an average of 0.07 dB and BDBR increased by an average of 1.3% over FS.