空间多边形

本文运用球面及空间多边形的理论，分析了20种不同类型的3R-3P机器人操作手及4R-3P空间连杆机构的位置问题，对运算过程进行了合理、有效的控制。

The paper applies the theory of spherical and spatial polygon to analyse the position problems ef 28 different kinds of 3R-3P robot manipulators or 4R-3 P spatial linkage mechanisms . It can control the computation process reasonably and effectively .

本文提出一种利用单个透视投影识别空间多边形的方法.空间多边形的识别依据于在透视投影下的基本不变量：交比。

An approach to planar polygon recognition from single 2D perspective projections using the basic viewpoint invariant called Cross-Ratio is presented .

提出了一维投影判别法和基于右手定则的空间多边形的包容性检测算法，有效减少了传统光线跟踪包容性检测算法的计算量。

An algorithm in inside outside test for ray tracing is presented in this paper , including one dimension projection test method and polyhedron inside outside test based on right hand rule .

基于透视投影不变性的空间平面多边形识别

Recognition of Planar Polygons in Space Based on Perspective Projection Invariances

车辆的跟踪是采用三参数状态空间的多边形拟合技术来实现的。

And car tracking is realized by a polygon fitting approach in three-parameter state space .

关于空间曲缐多边形的全曲率

On the integral curvature of a curvilinear polygon

给出了空间曲线的多边形逼近的数学模型。

We give a algorithm for representing3D boundary curves by polygonal approximation Using Genetic Algorithms .

并且，根据双向映射的思想，给出了一幅图像映射到三维空间任意平面多边形上的映射算法。

Based on the bidirectional mapping , an algorithm for mapping an image to an arbitrary polygon in 3D space is given .

参考平面将三维空间的凸多边形分解成两部分，分别计算对应的两部分的形态和，并去掉重复边和面。

The concept of reference plane is introduced with the model of normal vector sphere for 3D objects , the convex polygons in 3D space are divided into two parts by the reference plane and morphologic addition of each corresponding part is calculated .