The efficient motion estimation algorithms are the important research hotspot in the real-time video coding-decoding technology.
高效的运动估计算法是实时视频编解码技术的研究重点。
Due to the inherent characters of motion estimation algorithms, the matching speed is greatly influenced by the implementation technique.
由于运动估值算法的特殊性，程序实现技术对匹配速度有很大影响。
There are several motion estimation algorithms. However, the method based on block matching is widely used because of its simple way to implement and good effect of estimation.
运动估计算法种类繁多，其中基于块匹配的运动估计算法由于方法简单，估计效果好，易于实现，已被许多国际视频编码标准所采用。
And then, to break a common limitation of the most traditional motion estimation algorithms, we proposed a new motion search strategy with adaptive stretched search window (ASSW).
然后，针对传统运动估计算法存在的一个共同问题，我们提出了自适应可拉伸搜索窗口(assw)的策略。
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。
Motion estimation was introduced by H. 264 video coding standard with multiple block sizes to achieve a considerably higher coding efficiency than other video coding algorithms.
多模式运动估计使h . 264比其他视频编码算法具有更高的编码效率，但同时也使计算复杂度明显提升。
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。
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。
Thus, a lot of research are carried out and several algorithms of motion estimation are proposed.
因此人们进行了大量的研究，提出了多种不同的运动估计算法。
The system includes such modules as obstacle detection by FLS, tracking, motion estimation and planning algorithms.
整个避碰规划系统包括声纳探测目标、目标跟踪、特征信息提取、目标运动估计、避碰算法等部分。
Motion estimation is the most important and time-consuming part in H. 264. A large number of algorithms are based on the reduction of search points to reduce the computational complexity.
运动估计作为H . 264中最重要最耗时的部分，大量的算法研究都是通过减少搜索点数来降低计算量。
It is based on the cross search algorithm, capable of improving the accuracy of some other quick matching algorithms, of high accuracy of motion estimation, and requires fewer calculations.
这种算法是在交叉块匹配法的基础上提出的，并且可用于提高其它几种快速块匹配算法的准确率。该算法运算量较小，运动估值的准确率较高。
Second, in the motion estimation part of the coder, we find that normal search algorithms are not effective, which neglects different levels of motion in image sequences…
其次发现运动估计部分由于忽略了图像场景的分级运动而存在一定的无效搜索运算，提出了基于分级运动的可变搜索域法来压缩无效的搜索运算；
Second, in the motion estimation part of the coder, we find that normal search algorithms are not effective, which neglects different levels of motion in image sequences…
其次发现运动估计部分由于忽略了图像场景的分级运动而存在一定的无效搜索运算，提出了基于分级运动的可变搜索域法来压缩无效的搜索运算；
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