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,该块匹配算法简单易行效率较高,尤其对于捕捉较细小的运动更为有效。
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 在运动估计中通过对多种块匹配算法进行实验,选择了一种可以满足系统要求的算法? ?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,本文对实时视频编码器中运动估计的vlsi实现方法进行了研究,提出了一种易于硬件实现的快速块匹配算法及其vlsi结构。
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 、研究了运动矢量的时空相关性和中心偏向特性,提出了一种新的基于运动相关特性和中心偏向特性的快速运动估计算法; 4 、对块匹配算法产生的块效应进行了研究。
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 在单目标的入侵检测及跟踪实验中,对运动的目标能够进行连续而可靠的跟踪,并且由于在背景匹配中运用了块匹配算法,减少了系统运行时间。
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 随着整象素级运动估计复杂度的降低,亚象素级运动估计的复杂度显得和整象素级运动估计复杂度相当,快速亚象素运动估计算法的研究正在兴起,本文介绍了提出的基于数学模型预测的快速半象素块匹配算法。