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。

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Then the initial search point and 2 search strategies were adaptively chosen according to the motion vector field, and an threshold was also selected to detect stationary blocks.

根据运动矢量场自适应选择搜索起始点和不同的搜索策略进行搜索，同时设定阈值对静止块直接中止搜索。

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Based on prediction of searching starting-point and gradient diamond-shaped searching technique, the paper proposes a motion vector field self-adaptive searching algorithm (MVFSAS).

在基于搜索起点预测和梯度式菱形搜索方法的基础上，提出了一种运动矢量场自适应搜索算法(MVFSAS)。

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