From this point, the algorithm is implemented by searching and constructing a background image efficiently. With regard to global motion models, four-parameter estimation model is adopted.
算法从全局运动估计的基础出发，利用背景宏块运动相似性的特点快速建立背景宏块集合并采用常用的四参数全局运动估计模型估计运动参数。
Then the global motion vector with rotary Angle can be deduced according to the rigid motion model.
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。
A single global scale on the entire head model is fine (e. g. to convert feet to meters, or to shrink or grow the player), but do not scale head motion independent of interpupillary distance (IPD).
对整个头部模型采用单一的全局缩放值很是可以的(例如将英尺转换为米，或将玩家缩小或放大)，但不要缩放瞳距参数。
Moreover, impedance model parameters are adjusted fuzzily to reduce the force errors in the constrained motion and improve the global force control performance.
通过对阻抗模型参数进行模糊调节减少受限运动中的力误差，提高了全局的力控制效果。
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.
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。
Nonlinear least squares method is employed to solve the model to get the global motion area of SR resolution.
最后基于非线性最小二乘法对模型进行优化求解，得出了SR重建图像及其全局运动域。
A new model based global motion estimation method is proposed by fitting optical flow field for aerial video imagery.
在多分辨率光流估算的基础上，提出了一种基于光流拟和的方法用于对航拍视频图像中的全局运动进行估算。
A new model based global motion estimation method is proposed by fitting optical flow field for aerial video imagery.
在多分辨率光流估算的基础上，提出了一种基于光流拟和的方法用于对航拍视频图像中的全局运动进行估算。
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