因此，传统聚焦评价函数通常选取高频分量作为量度。
Therefore, traditional FMFs select high components as the measurement.
自动聚焦算法包括三个模块：聚焦区域选择、聚焦评价函数和极点搜索算法。
Autofocus algorithm consists of three modules: focus region selection, focus measurement function and peak searching algorithm.
图像自动聚焦评价函数的选择是全自动控制显微镜无源方式自动聚焦系统的关键问题。
Choosing auto focusing evaluation function for images is a key factor for passive auto focusing system of automatic microscope.
图像自动聚焦评价函数的选择是全自动控制显微镜无源方式自动聚焦系统的关键问题。
Study on the Auto-focusing Technology of Digital Image and Realization for an Auto-focusing System;
以镜头系统造成图像模糊的原理为基础，对常用的自动聚焦评价函数和搜索策略了进行论述。
The sharpness evaluation function of auto focus and search tactic was discussed based on the principle how blurred by the lens system in the chapter of the auto focus algorithms.
聚焦是针对兴趣区域的聚焦，聚焦评价函数完成对兴趣区域的离焦程度评价，它是一种有参考的图像质量评价。
FMF evaluates the defocus degree of interesting region image. Focus measurement is a kind of reference image quality evaluation.
利用评价函数在实验中确定了倾斜平面成像的最佳聚焦平面，并与理论像平面吻合。
Using autofocus evaluation function to get the focus image of tilting plane, and the result agrees with the theoretical plane of image.
与方差法和梯度能量法相比，该评价函数具有更好的尖锐性，能够适应高精度聚焦的需要。
The proposed evaluation function gains sharper performance than intensity variance method and gradient energy method, and it is qualified for high accurate autofocus.
在传统图像灰度方差评价函数的基础上，利用小波多分辨率分析，提出了一种新的自动聚焦算法。
On the basis of evaluation function of using image intensity variance, we proposed a new auto-focusing algorithm by means of Wavelet Transform Multi-Resolution Analysis(WTMRA) theory.
该评价函数和区域选择聚焦技术可以用于高精度的自动微操作作业中。
The results also show that this focus measure and selective autofocusing techniques can be widely applied to automated micromanipulation;
该评价函数和区域选择聚焦技术可以用于高精度的自动微操作作业中。
The results also show that this focus measure and selective autofocusing techniques can be widely applied to automated micromanipulation;
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