2) 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。
3) centres of imitate circles
拟合圆圆心
4) oval fitting
椭圆拟合法
1.
After analyzing the cause of deviation,oval fitting method is used to eliminate the deviation.
将HMR2300应用于无人机的航向测量回路,分析了磁航向测量回路的误差形成原因,应用椭圆拟合法进行误差补偿。
5) square fitting algorithm
圆拟合算法
6) multi-circle fitting
多圆拟合算法
1.
Based on circles fitting of laser spot shape the newly multi-circle fitting algorithm is proposed,and the precisions of multi-circles fitting algorithm and surface fitting algorithm under different noise level are compared.
介绍了用于提取激光光斑参数的曲面拟合和圆拟合算法,在圆拟合算法的基础上提出了新的多圆拟合算法,在不同的噪声水平下比较了曲面拟合算法和多圆拟合算法所能够达到的精度。
补充资料：圆心角
顶点在圆心的角。圆心角的度数等于它所对的弧的度数。
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