然后利用刚性运动模型，获得包含旋转角度的全局运动矢量。
Then the global motion vector with rotary Angle can be deduced according to the rigid motion model.
实验结果表明，与现有的全局运动矢量补偿相比，该方法可以获得更好的补偿效果。
Experimental result shows that this method is more effective than the existing global motion vector compensation, it has better compensation effect.
帧间全局运动估计模块的设计目标是计算相邻帧的背景的相对运动的矢量，这一矢量被称为全局运动矢量。
The object of global motion estimation module is to calculate the relative motion vector of adjacent frames' background, that is, the global motion vector.
用迭代最小二乘法求解使用局部运动矢量和运动模型建立的线性参数系统获得全局平移、旋转及缩放运动参数。
Then a linear system is constructed from these local motion vectors and solved to determine the global motion parameters which are refined by the motion iteration process.
通过局部运动矢量和刚体变换模型得到线性参数方程，并采用RANSAC算法进行求解，以获得全局运动参数。
A linear equation is constructed from the local motion vector and the rigid model, and it determines the global motion parameters by the popular RANSAC algorithm.
标签mpeg全局运动估计运动矢量。
标签mpeg全局运动估计运动矢量。
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