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.
应用推荐