...像 ; 自动聚焦算法 ; DCT 变换 ; 空间一致性 [gap=996]Key words: Image Fusion; Multi-focus Image; Automatic Focus Algorithm; DCT; Neighboring Coherence ...
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图像自动聚焦算法聚焦值的选择是数字相机自动聚焦系统的关键问题。
The choice of auto focus value for an image is the key factor to auto focus system of digital camera.
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.
对自动聚焦问题，分析了焦距变化的原因，给出了计算机控制的自动聚焦算法。
After analyzing why the focal length changes, I give an automatic focus algorithm controlled by computer.
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