Aiming at the serial processing question existing in some typical search algorithms, this paper presents a fast motion estimation algorithm based on parallel processing principle.
该文针对传统搜索算法串行处理的缺点,提出了一种基于并行处理的快速运动估计算法。
The three-step search method is a commonly used fast motion estimation algorithm, but its initial step length is too big, thus the estimation effect of slow motion sequence is not so satisfactory.
三步搜索法是一种常用的快速运动估计算法,但由于它的初始步长太大而导致对缓慢运动序列的估计效果不能令人满意。
A fast block matching motion estimation algorithm for low bit rate video coding is proposed.
提出一个用于低比特率视频编码的快速块匹配运动估计算法。
In order to enhance motion estimation efficiency, this paper presents a new fast search algorithm.
为了进一步提高运动估计的效率,本文提出了一种新的快速搜索算法。
This paper proposes an adaptive rood pattern search, a new fast block-matching motion estimation algorithm.
该文提出了一种新的快速块匹配运动估计算法,即自适应十字模式搜索。
A fast half-pixel motion estimation algorithm is proposed after analyzing three different mathematical prediction models based on concave functions.
分析了三种不同的凹函数预测模型,提出了一种适合硬件实现的运动估计快速半像素级搜索算法。
Experimental results show that our algorithm can reduce the computational-complexity to 3% of fast full search motion estimation algorithm, with negligible PSNR loss and bit rate increase.
试验结果证明,该算法能够将计算复杂度降低到快速全搜索运动估计算法的3%,而PSNR和码率几乎与快速全搜索算法得到的结果相当。
Based on zero block detection technique, the paper proposes a fast searching method for motion estimation.
文中提出了一种基于全零块检测的快速运动估计方法。
The fast integer pixel motion estimation algorithm for video sequences which are smooth, vary slowly and have many background blocks is discussed.
首先讨论了针对运动量较小的、包含有大量背景块的视频序列的快速运动估计算法,包括整像素和半像素快速算法。
In this paper, based on the analysis of the characteristics of error surface and motion vector field, we propose a fast search strategy for motion estimation is proposed.
本文在分析低码率压缩码流运动矢量场以及误差曲面性质的基础上,提出一种基于时空预测的快速运动估值方法。
Therefore, developing fast and efficient motion estimation algorithm has become a research hotspot.
因此,研究出高效快速的运动估计算法成为视频压缩领域的研究热点。
In order to solve the problem of motion estimation for nonuniformity correction of infrared focal plane arrays, a new fast algorithm for image registration is presented.
为了解决红外焦平面非均匀算法中出现的运动估值问题,提出了一种新的快速图像配准算法。
Fast and accurate estimation of global motion is necessary in target tracking, video coding and etc.
在目标跟踪、视频编码等领域都需要对全局运动进行快速准确的估计。
It could converge rapidly the global motion estimation and achieve the fast global motion estimation while maintaining the coding performance.
在保证视频编码性能的前提下,加快全局运动估计收敛于稳定值,实现快速全局运动估计的目标。
On the basis of analyzing the correlation between disparity vector and motion vector, a fast disparity correspondence estimation algorithm for stereo video coding, based on MPEG-2, was presented.
本文在分析立体图象序列的视差矢量与运动矢量之间的相关性的基础上,提出一种基于MPEG - 2的立体视频编码中的视差匹配快速算法。
The efficiency of the half pixel search is improved by using a paraboloid prediction based fast half pixel motion estimation algorithm.
为了加速半像素搜索,提出了一种基于抛物面预测的半像素快速搜索算法。
After analyzing some classical motion estimation algorithm, a new fast matching algorithm-Triple Cross Search is proposed.
在对现有的搜索算法进行分析的基础上,提出了一种改进的快速块匹配算法——三重十字形搜索算法。
Many fast block-based motion estimation algorithms have been proposed to reduce the computational complexity, for examples, three-step search, four-step search, new three-step search, etc.
于是人们提出了许多快速搜索算法,包括三步法、新三步法和四步法等,这些算法在满足一定精度的条件下可以大大减少运算量。
Many fast block-based motion estimation algorithms have been proposed to reduce the computational complexity, for examples, three-step search, four-step search, new three-step search, etc.
于是人们提出了许多快速搜索算法,包括三步法、新三步法和四步法等,这些算法在满足一定精度的条件下可以大大减少运算量。
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