When the matching error based on the prediction of the motion vector is between two SAD thresholds, a search restricted in a small window is used to replace the original motion estimation.
当基于预测运动矢量的匹配误差介于两sad阈值之间时，用小窗口搜索代替运动估计。
In this paper, based on the analysis of the characteristics of error surface and motion vector field, we propose a fast search strategy for motion estimation is proposed.
本文在分析低码率压缩码流运动矢量场以及误差曲面性质的基础上，提出一种基于时空预测的快速运动估值方法。
A method of estimation of motion parameter error based on the quality of reconstructed image is suggested. That area error and contour transition turn error is used to be quality criteria.
提出用重建的图像的质量来估价运动参数误差，并给出了误差面积和轮廓转折率误差二个函数。
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