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。
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。
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。
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。
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。
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