Block motion estimation using full search is computationally intensive,many fast algorithm have proposed to reduce the computation at the expense of less accuracy of motion estimation.

• 提出了一种新的快速、有效的块匹配运动估计算法。算法采用多步搜索方法，利用相邻块之间的运动相关性，选择反映当前块运动趋势的预测点作为初始搜索点；