聚焦评价函数 Focusing evaluation function ; Focus Merit Function
In the paper,we propose a meth- od to resolve the problem:focus function values of each image are stored to a table,and the maximum is found by looking up the table.
针对这种虚假聚焦点的问题,本文提出了一种将每帧图像的聚焦函数值存于一表中,然后通过查表找出聚焦函数值的最大值的方法。
参考来源 - 嵌入式自动聚焦系统的设计·2,447,543篇论文数据，部分数据来源于NoteExpress
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.
建立了散射边界条件，并运用柱函数的加法定理，通过理论推导得到了聚焦区内刚性球形微粒的散射声压表达式。
After the scattering boundary conditions were set up, the scattering pressure expression of the solid sphere in the focusing area was derived by column function addition theorem.
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.
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