预测通常与边界数据有关,例如用于运动补偿的运动矢量。
Prediction usually involves side data, such as a signal telling the decoder a motion vector to use for said motion compensation.
而通过采用相关计算进一步细分灰度投影数据,可以提高图像运动特征位置信息的精度,获得亚像元级的图像运动矢量。
Using correlation calculation to further subdivide gray project data, precision of image motion characteristic position information was improved, and sub pixel image motion vector could be gotten.
经过优化,对于插值过程本身,以及到后来计算运动矢量时的数据缺失引起的CPU数据挂起,都降低到了比较理想的水平。
After optimizing, the process of interpolation and the CPU data stall aroused by data missing of motion estimation are both decreased to an acceptable level.
运动矢量修正技术:码率调整型转码算法可以屏蔽网络的异构性,但导致参考帧数据发生变化,需要重新进行运动估计。
Motion Vector Refinement: Bit rate adaptation transcoding adapt the network heterogeneity, which makes the reference frame changed. The motion estimation is needed.
使用图形流水线中的顶点数据来定义搜索区极大地减少了产生运动矢量和执行数据压缩所必需的搜索量。
The use of vertex data from the graphics pipeline to define the search area substantially reduces the amount of searching necessary to generate motion vectors and perform data compression.
在编码模式期间,接收数据块流并为每个宏块产生(12)至少一个运动矢量和至少一个运动补偿预测值。
During an encoding mode, a stream of data blocks is received and at least one motion vector and one motion compensation prediction value for each macro-block are generated.
在编码模式期间,接收数据块流并为每个宏块产生(12)至少一个运动矢量和至少一个运动补偿预测值。
During an encoding mode, a stream of data blocks is received and at least one motion vector and one motion compensation prediction value for each macro-block are generated.
应用推荐