自动对焦的过程就是运用爬山搜索算法求取对焦评价函数最大值的过程。
The procedure of auto-focusing is to getting the maximum of the focusing (evaluation) function employing the mountain-climb searching algorithm.
在软件上，主要是搜索算法的优化，还有对焦评价函数和对焦窗口的选择，以及相对于硬件上优化后所采取的一些改进。
About software, searching algorithm has been optimized. The focus evaluation function and the choice of the focusing window have also been described.
采用图像清晰度评价和自动焦点搜索实现自动对焦，有效地将调平、对焦、对准光路统一起来。
Auto-focus is completed by estimating from images; die leveling is completed by focusing for several feature locations.
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