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。
Using the new method, the complexity of computation involved in motion estimation can be reduced sharply.
新算法能使运动估计的计算复杂度大幅降低。
The motion estimation method could greatly reduce computational load while maintaining motion estimation precision.
这种运动估计方法在保证估计精度的前提下,显著地减少了运动估计需要的计算量。
Motion Vector prediction forms a key part of video coding technique in that it directly affects the bitrate and performance of motion estimation.
运动矢量的预测是视频编码技术中的一个重要组成部分,它直接关系到运动估计的精度和码率大小。
The key technology of the EIS includes motion estimation and motion compensation, and the motion estimation between adjacent frames is the foundation of EIS.
电子稳像的关键技术包括运动估计和运动补偿,其中,序列帧间的运动估计是电子稳像的基础。
Then, the motion estimation is performed in moving regions.
然后只对运动区域进行运动估计。
Block match algorithm is an important technology of motion estimation.
块匹配算法是运动估计中一项重要的技术。
This is because motion estimation is performed to sub-pixel resolution.
这是因为运动估计执行到子像素分辨率。
For video coding, the algorithm of motion estimation based on blocks is widely used.
在视频编码中,基于块的运动估计算法被广泛应用。
This paper proposed a two-step motion estimation algorithm to match a series of images.
提出了一种基于两步运动估计的系列图像匹配算法。
A half pel accuracy and variable block size motion estimation scheme is discussed lastly.
最后讨论了半像素精度和变块大小运动估计方案。
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。
This paper presents a new algorithm for motion estimation-Predictive Searching Algorithm (PSA).
本文提出了一种运动估值算法一预测搜索算法(PSA)。
This paper presents an efficient motion estimation technique for very low bit rate video coding.
提出了一种有效的适用于甚低比特率视频编码的运动估计新技术。
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。
In hybrid video coding schemes, the motion estimation is the most computationally expensive module.
运动搜索一直是混合视频编码方案中最占编码时间的模块。
All kinds of block matching motion estimation algorithm are summarized and classified in this paper.
本文介绍了各种块匹配运动估计算法并进行了总结和归类。
In the part of motion estimation, we used the MMX instruction in the parallel calculation of the SAD.
在它的运动估计部分,对于sad值的计算采用MMX指令进行并行计算。
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。
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 typical EIS algorithm including three parts: motion estimation, motion filtering and motion compensation.
典型的电子稳像算法包括:运动估计、运动滤波和运动补偿三个部分。
This method does not involve motion estimation and motion compensation, thus the computational complexity is low.
该方法不涉及运动估计和运动补偿,复杂度低。
Subpixel motion estimation: Straightforward iterative diamond and square searches. Nothing particularly interesting here.
亚像素运动估计:直接迭代菱形和方形搜索。这里没有什么特别有趣的。
To make the contour localization more reliable, color information is further used in the block matching motion estimation.
为使轮廓定位更可靠,在块匹配的运动估值中使用了彩色信息。
There're three key modules in the system, which are motion estimation module, motion compensation module and buffer module.
该系统包括三个关键模块:运动估计模块、运动补偿模块和缓存器模块。
It supports the variable block size motion estimation, and has the high pipeline efficiency and high performance-price rate.
该结构能够实现多尺寸块运动估计处理,并且具有高流水效率和高性价比的特点。
Simulation result based on MPEG 1 shows the effectiveness of the motion estimation method based on macroblock′s classification.
基于MPEG-1的模拟结果表明了基于宏块分类的运动估计法之有效性。
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。
The computation in video codec mainly concentrates on motion estimation, which is the bottleneck of realization of real time video codec.
运动估计是视频图像编码中运算量很大的部分,也是影响系统实时性能的瓶颈。
In addition, strategies of motion track and adaptive search window are applied to reduce the computational complexity of motion estimation.
此外本文还采用运动跟踪和自适应搜索窗技术来减小运动估值的计算复杂性。
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