1) block-matching
宏块匹配
2) Macro block
宏块
3) macroblock
宏块
1.
Motion vector of the moving object is obtained by one designed filter, which mainly processes motion vector of macroblockes of the moving object s boundary.
寻找是基于运动矢量的区域增长法 ,运动矢量的获得通过一个专门的滤波器 ,该滤波器主要应用于运动物体的边界宏块 ,运动轨迹由DCT的DC和部分AC系数进行校正 ,该方法运算量小 ,能实时处理 ,实验结果较
2.
The function encode_one_macroblock() is the center in the implementation of the encoding algorithm.
通过对程序中开销计算,关键全局变量及编码一个宏块的算法的分析,查明了JM核心编码函数encode_one_macroblock()的结构,给出了该函数的流程。
3.
This paper proposes a hierarchical model to describe the motion of each macroblock(MB)from coarsely to finely.
该文首先提出了一种分层模型,按由粗到细的方式描述每个宏块(macroblock)的运动信息。
4) variable size block
宏块模式
5) macroblock type
宏块类型
1.
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.
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。
2.
In this thesis,an adaptive macroblock encoding algorithm based on macroblock type spatial domain predic-tion is proposed.
论文提出基于宏块类型空域预测的自适应宏块编码算法,并在H。
6) slice
宏块条
1.
The correlation of adjacent slices bitrates in frequency domain can effectively reflect the activity of the motion pictures.
此判别法表明，相邻编码帧宏块条码率的频域互相关能够有效反映图像活动性变化的特点。
2.
Based on the local minimal value of correlation of slice bitrate samples, it shifted the slice between different sources according to position of the minimal value.
该方法对不同业务中宏块条码率样本进行互相关，根据互相关函数局部极小值所对应的码率样本偏移量，将不同业务的宏块条起始位置相对平移，并实现业务累加。
3.
For independent transcoding of MPEG-2 VBR video,frame shift and algorithm based on correlation of slice are proposed;For joint transcoding, we introduce the joint rate control strategy based on the rate distortion, which uses the concept of superframe.
在独立编码中介绍了帧平移算法和基于宏块条的互相关算法 ;对于联合编码 ,本文介绍了一种利用超帧概念的基于率失真理论的联合码率控制策略 ,同时阐述TM 5码率控制原理。
参考词条
补充资料：宏宏
1.宏伟貌。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。