Optimization on UMHexagonS Algorithm Based on AVS
Yan Fan-yong · Computer Knowledge and Technology · 2010
Motion estimation(ME) is vital to video compression.In this paper,based on Analyzing the UMHexagonS algorithm and give two improvement measures.firstly,an early term ination is added in the case that it enters the redundan t search after the initial search point prediction w ith good effects.secondly,,an optimized algorithm is proposed based on big hexagon,which saved the search point and saves ME time effectively without quality loss.Experimenting with some typical video sequences proves that,this ME time can effectively reduce 4%-25% while the PSNR and bit Rate in ensuring little chang.