Setting up the relation between defocus value and focus function value is key factor of the algorithm. Three methods: polynomial fitting,Gaussian function fitting and cubic spline interpolation fitting are presented to realize PA.
该方法的核心是建立聚焦函数值与离焦量之间的函数关系,提出采用多项式拟合、高斯函数拟合以及样条插值拟合的方法可以构建这种函数关系;并给出了计算结果。
参考来源 - 显微视觉自动聚焦研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The normal calculation methods are polynomial fitting and spectral response function fitting.
计算扫描颜色通常可以用多项式曲线拟合法和光谱响应计算法。
The polyhedral function fitting method had been used in the analysis of the crustal vertical deformation model.
多面函数拟合法已被应用于地壳垂直形变模型的分析中。
GA is used to obtain coefficients of cubic spline function fitting to avoid the inverse of the matrix and some work is made with an example.
文中将GA用于三次样条函数拟合的系数求解，避开了矩阵求逆的繁琐问题，结合具体例子作了一些探索。
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