1) circle-center fitting
拟合圆心
1.
Further studied,the circle-center position changes of targeted light source are calculated via the least square and circle-center fitting methods.
通过对隧道内定点放置的目标光源进行拍摄,得到所拍摄的图像,并对图像进行平滑、锐化、腐蚀、膨胀、去噪等预处理,获取目标光源清晰轮廓,然后对图像进行二值化,边界提取,进而通过最小二乘法,拟合圆心,计算出目标光源圆心的位置变化,从而得出地铁隧道纵向的变形量。
2) centres of imitate circles
拟合圆圆心
4) elliptic fitting
椭圆拟合
1.
To avoid these defects,using elliptic fitting technique,a non-contact real-time measurement system based on grid strain was established.
本文利用椭圆拟合技术,建立了基于应变网格的非接触实时检测系统,实现了金属材料在加载过程中长度和宽度应变的实时测量。
5) Arc Fitting
圆弧拟合
1.
Application of Arc Fitting in NC Machining of Noncircular Profile Curve;
圆弧拟合在非圆轮廓曲线数控加工中的应用
2.
In order to enhance tooth form precision of hobbing and shaving cutter, arc fitting method has been applied to tooth form manufacturing of involute worm in the investigation of gear hobbing and shaving cutter with big modular, hard face, and high precision.
在进行大模数硬齿面高精度滚剃刀的研制中,将圆弧拟合的方法用于渐开线蜗杆的齿形制造,可以提高滚剃刀渐开线的齿形精度。
6) ellipse fitting
椭圆拟合
1.
Optimal ellipse fitting method based on least-square principle;
基于最小二乘法的椭圆拟合改进算法
2.
Face tracking algorithm based on mean shift and ellipse fitting;
基于均值移动和椭圆拟合的人脸跟踪算法
3.
Application of ellipse fitting method to calibration of magnetic compass deviation
椭圆拟合方法在磁罗盘罗差校准中的应用
补充资料：拟规画圆
1.谓依样模仿。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条