通过多光谱图像四元数空间标记分水岭分割，获取道路初始轮廓，解决道路初始边界设置问题；
The road initial profile is gotten by marked watershed segmentation in quaternion space with multi-spectral images which solve the question of how to set the initial border in the model.
CwMtx中的矩阵包括向量和方阵，其中向量包括空间向量和四元数。
The matrices in CwMtx include vectors and square matrices, where vectors include space vectors and quaternions.
这是试图把四元数方法引入空间啮合原理研究的一种尝试。
This represents an attempt in introducing quaternion methods in the study of cases involving space engagement.
介绍四元数的概念及运算性质，提出基于单位四元数的空间后方交会解算方法并给出计算公式。
The concept of quaternion and its operation rules were introduced first, then formulae for space resection based on unit quaternion were deduced.
结合四元数在摄影测量中的良好应用，提出一种基于四元数的空间后方交会全局收敛算法。
A globally convergent algorithm of space resection based on quaternion is presented by combining good application of quaternion in photogrammetry.
本文主要研究四元数射影空间中的特殊曲面-极小曲面。
Minimal surfaces is the surface whose average curvature is zero.
本文主要研究四元数射影空间中的特殊曲面-极小曲面。
Minimal surfaces is the surface whose average curvature is zero.
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