Based on the unit quaternion decomposition of rotation matrix, this paper puts forward an algorithm to estimate motion parameters from the space position vectors of 3d feature points.

本文基于旋转矩阵单位四元数分解定理，提出一种由3 D特征点空间位置估计运动参数的算法。

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The model predicts the transient variations of gun chamber pressure, projectile motion and the decomposition rate of propellant.

模型可以预测发射过程中药室内压力、弹丸运动及工质的分解速率的瞬时变化。

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The original motion mask image can be extracted from the high frequency frames which resulting from temporal decomposition of the original video sequence by wavelet transform.

将视频序列进行时间轴一维小波变换，利用变换后的高频帧信息提取出初步的运动掩模图像；

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