For in general the motion in the sequences is small and the new three step search is especially effective for capturing the small motion 此外,該塊匹配算法簡單易行效率較高,尤其對(duì)于捕捉較細(xì)小的運(yùn)動(dòng)更為有效。
Through testing many different block matching algorithms in the motion estimation , the new three step search algorithm is chosen , which can fulfill the requirement of the system 在運(yùn)動(dòng)估計(jì)中通過對(duì)多種塊匹配算法進(jìn)行實(shí)驗(yàn),選擇了一種可以滿足系統(tǒng)要求的算法? ?新的三步搜索法。
At last , the vlsi implementation complexity of motion estimation in video encoding is analyzed . furthermore , a fast block matching algorithm based on hardware implementation and its vlsi architecture are presented 最后,本文對(duì)實(shí)時(shí)視頻編碼器中運(yùn)動(dòng)估計(jì)的vlsi實(shí)現(xiàn)方法進(jìn)行了研究,提出了一種易于硬件實(shí)現(xiàn)的快速塊匹配算法及其vlsi結(jié)構(gòu)。
Study space - time correlation and center biased distribution of motion vector , on which initiate a new fast search algorithm of motion estimate . 4 . research the blocking effect of block matching algorithms 3 、研究了運(yùn)動(dòng)矢量的時(shí)空相關(guān)性和中心偏向特性,提出了一種新的基于運(yùn)動(dòng)相關(guān)特性和中心偏向特性的快速運(yùn)動(dòng)估計(jì)算法; 4 、對(duì)塊匹配算法產(chǎn)生的塊效應(yīng)進(jìn)行了研究。