说明：  介绍了运动图像编码过程中运动估计算法的基本原理 ,以及 TI最新的数字媒体处理器TMS320DM642 的片内存储器和 EDMA 结构 ,从提高存储器访问效率的角度 ,给出了运动估计算法的一个优化方案 ,并对 Cache 一致性问题进行了探讨.
(Introduce a motion image coding process of motion estimation algorithm of the basic principles, as well as TI latest TMS320DM642 digital media processor chip within the memory and EDMA structure, improve memory access from the efficiency point of view, motion estimation algorithm is given an optimization program, Cache Coherence and discussed.)