显微镜的快速自动对焦算法

被引：11

作者：

苗立刚

轩波

彭思龙

机构：

[1] 中国科学院自动化研究所国家专用集成电路设计工程设计研究中心

[2] 北京

来源：

光电子激光 | 2007年 / 01期

关键词：

自动对焦对焦函数; 线性预测; 对焦窗口;

D O I：

10.16136/j.joel.2007.01.003

中图分类号：

TH742 [显微镜];

学科分类号：

0803 ;

摘要：

针对平面样品的大规模显微图像采集,提出了一种基于预测的快速自动对焦算法。首先,利用相邻图像的对焦位置估计当前图像的对焦位置,并在其附近做微小调整即可得到最佳对焦位置,从而避免对焦评价曲线的多峰干扰。其次,利用阈值分割方法选择对焦窗口以消除背景干扰,使对焦评价函数满足无偏性。该算法大大减少了自动对焦所需要采集的图像数量,对焦速度、精度以及鲁棒性均有明显的提高。

引用

页码：9 / 12

页数：4

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