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3D特征点空间位置估计运动参数的算法。
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。
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；
The system of a needle-holding robot was designed based on the decomposition of 3D needle-motion during ultrasound-guided microwave ablation of liver cancer.
在分析超声引导微波消融肝肿瘤治疗过程中扶针助手的具体扶针动作的基础上，对医学扶持机器人的系统进行了设计。
The system of a needle-holding robot was designed based on the decomposition of 3D needle-motion during ultrasound-guided microwave ablation of liver cancer.
在分析超声引导微波消融肝肿瘤治疗过程中扶针助手的具体扶针动作的基础上，对医学扶持机器人的系统进行了设计。
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