该硬件原型包含了从残差形成到宏块重建的变换量化全过程，其可以构成DSP的协处理器，用于完成H。 264实时编解码。
The hardware prototype is composed of the whole processes from obtaining residual error to Macro-Block reconstruction, and it can be used as a co-processor of DSP to fulfill H. 264 real-timing CODEC.
该算法只需要通过直接抽取MPEG视频流中的B帧、P帧中的宏块类型信息，并对其进行计算就可以检测出视频中存在的镜头边界，从而对场景变换进行精确定位。
The proposed method can detect scene boundaries through using various macroblock type of B-frame and P-frame in MPEG video flow in order to realize accurate scene change positioning.
本文利用FANUC及SIEMENS数控系统的宏指令功能，设计了编程零点变换宏程序和零件成组加工宏程序。
In this paper macroinstructions of FANUC and SIEMENS NC systems are employed to design macroprograms of programming zero transforming and group machining of workpiece.
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