Combined with the initial position of the frenet frame and sensor structure, the local geometric parameters of the pipe Central Line can be calculated by using recurrence algorithm.
结合初始活动标架方位、传感器结构，运用递推算法计算管道中心线局部几何性质参数。
This paper first gives a common problem that Chinese character has similar local structure inside, and analyzes the usage of geometric constraint.
本文首先提出汉字存在局部结构重复的问题，分析了几何约束的原理及作用。
Structure grammar based on local area of collection of line segmentation and geometric element and number of classes of geometric element could extract manmade object from natural background.
基于直线段集合图像给定区域内直线线段的结构文法及其所含几何基元数目和几何基元种类将人造目标从自然背景中提取出来。
Structure grammar based on local area of collection of line segmentation and geometric element and number of classes of geometric element could extract manmade object from natural background.
基于直线段集合图像给定区域内直线线段的结构文法及其所含几何基元数目和几何基元种类将人造目标从自然背景中提取出来。
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