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(jiǎn)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(guò)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。
In single - object detection and tracking experiment system can track the object continually and credibly , because of the use of block matching algorithm in background matching , the system run time is reduced . in the object coherence judgment experiment , object ' s 3d 在單目標(biāo)的入侵檢測(cè)及跟蹤實(shí)驗(yàn)中,對(duì)運(yùn)動(dòng)的目標(biāo)能夠進(jìn)行連續(xù)而可靠的跟蹤,并且由于在背景匹配中運(yùn)用了塊匹配算法,減少了系統(tǒng)運(yùn)行時(shí)間。
With the complexity decrease of integer pixel accuracy motion estimation , the complexity of sub pixel accuracy motion estimation is comparative to that of integer pixel accuracy motion estimation , so the research of fast sub pixel accuracy motion estimation algorithms is rising . a fast half pixel accuracy motion estimation algorithms based on mathematical prediction models is proposed in this paper 隨著整象素級(jí)運(yùn)動(dòng)估計(jì)復(fù)雜度的降低,亞象素級(jí)運(yùn)動(dòng)估計(jì)的復(fù)雜度顯得和整象素級(jí)運(yùn)動(dòng)估計(jì)復(fù)雜度相當(dāng),快速亞象素運(yùn)動(dòng)估計(jì)算法的研究正在興起,本文介紹了提出的基于數(shù)學(xué)模型預(yù)測(cè)的快速半象素塊匹配算法。