Motion estimation is an important part of video compression systems,since it could significantly affect the operation efficiency of whole video coding systems and the reconstructed quality of video sequence.

• 运动估计是视频编码系统的关键部分,同时也是整个视频编码器中计算量最大的部分,运动估计性能的优劣直接影响到整个视频编码器的运行效率和整个视频序列的重构质量。