%0 Journal Article
%T Directional diamond motion estimation algorithm based on parallelism and prediction<br>基于并行和预测的方向菱形运动估计算法
%A WEI Chang-hu
%A JIA Zhi-ping
%A CHENG Zhi
%A <br>魏长虎
%A 贾智平
%A 程志
%J 计算机应用
%D 2008
%I 
%X The motion estimation algorithm in the MPEG-4 video encoding was studied and the potential parallelism in the algorithm was analyzed. Then the multi-core parallel computing concept was used in the directional diamond searching algorithm, and a prediction mechanism was introduced to improve the degree of parallelism. Then the directional diamond Motion estimation algorithm based on parallelism and prediction (PPDDME) was proposed. The experimental results coming from PC and the Omap5910 embedded platform show that the encoding speed is improved efficiently and the compression quality is the same as the serial algorithm.
%K MPEG-4<br>运动估计
%K 并行计算
%K 预测
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=8240383F08CE46C8B05036380D75B607&jid=831E194C147C78FAAFCC50BC7ADD1732&aid=2C5C0F4C936A6C33F1777A2E9C6078AE&yid=67289AFF6305E306&vid=D3E34374A0D77D7F&iid=708DD6B15D2464E8&sid=E3511D325C01F2EB&eid=0A4E263351E626B4&journal_id=1001-9081&journal_name=计算机应用&referenced_num=0&reference_num=11