An approach to extract feature points on the boundary based on lengthofarc is proposed in view of the key problem of measuring composite-shape parts.
针对组合形状零件几何尺寸测量中的关键问题—轮廓识别,提出了一种基于弧长的轮廓特征点提取的方法。
2
The author analyzes the relationship between side and Angle in a diagram to deduce a new general-purpose formula which can determine the lengthofarc radius and the size of an ellipse.
文中通过分析图形中的边角关系,推导出确定椭圆大、小圆弧半径长度的通用计算公式。
3
So, the next concept that I want to define is that ofarclength.