【位移估值研究算法参数及实现】.pdf
Motion Estimation Algorithms,Parameters and Realizations Qin Feng Communications andElectronicSystems Department of Information and Electronic Engineering ZhejiangUniversity Hangzhou,310027,P.R.China July1994 Submitted in conformitywith therequirementsfor the degree of Doctor of Philosophy atZhejian
>-A-B2的计算操作。另外,在芯片上还设置了能够独立工作的输人/输 出接口单元和大容量、多模块的片上存储器,完成芯片与外部存储器之间的数据 交换和各种数据的存储.软件编程则致力于算法流程的合理化安排,以达到提高 片上功能部件的工作效率和降低芯片输人/输出带宽的目的,文中提出了多种可 能的算法流程安排,可根据不同的应用场合和芯片条件选择使用.关于位移矢量的半像素精度修正,无论是全硬件方案还是软硬件结合方案,都采用了专用硬件电路的方法来实现,以解决它与整像素精度搜索间的不匹配问 题。
using these functions.The architecture of the DSPchipis popular.It includes a high levelcontrolunitandalowlevel calculationunit.The controlunitisrealizedbya simplified RISC core,exacted some high level operations and also in duty to control thewhole chip.