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H.264 움직임 추정에서 두 개의 시작점을 갖는 새로운 팔각형 탐색 알고리즘
김두현(Doohyun Kim),석원기(Wonki Suk),이준석(Junseok Lee),신현철(Hyunchul Shin) 대한전자공학회 2010 대한전자공학회 학술대회 Vol.2010 No.6
The motion estimation of H.264 has an important effect on speed and performance. We modified the octagonal search algorithm with early termination (OSA with ET) to improve the search speed. Since horizontal moves are more frequent than vertical moves, we search first in horizontal direction. This improvement reduced the motion estimation time by 13.7% to 43.2% than that of UMHexagonS, and by 7.5% to 10.2% than that of OSA with ET, respectively.