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。
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.
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。
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.
实验结果证明，经算法改进和MMX技术优化的新钻石搜索法远胜于三步搜索法，大大提高了程序运行的效率，使系统达到了软件实时编解码的需要。
Experiments results demonstrate that the application on the new diamond search algorithm optimized by MMX has magnificently improved the efficiency of compression ratio and computing speed.
以“弯曲应变能最小”为优化准则、采用“三步循环坐标搜索法”求解最优吊点坐标。
Using the criterion of "minimum bending strain energy", the optimum hoisting points of the column are determined with the method of "three step cycling coordinate search".
实验结果表明，该算法可以较小的搜索代价取得与全搜索相当的效果，在搜索速度与搜索效果方面优于三步法(3ss)。
Experiments show that the algorithm can obtain almost the same PSNR as full search (FS) at a low computation cost, and it excels three-step search (3ss) algorithm in searching velocity and effect.
达到比三步法还要少的搜索次数，运动补偿增益和运动矢量熵均比三步法有明显改善。
Motion compensated gain and entropy of motion vector can be improved evidently, but the number of search is less then that of three step method.
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.
达到比三步法还要少的搜索次数，运动补偿增益和运动矢量熵均比三步法有明显改善。
Motion compensated gain and entropy of motion vector can be improved evidently, but the number of search is less then that oft...
达到比三步法还要少的搜索次数，运动补偿增益和运动矢量熵均比三步法有明显改善。
Motion compensated gain and entropy of motion vector can be improved evidently, but the number of search is less then that oft...
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