Using autofocus evaluation function to get the focus image of tilting plane, and the result agrees with the theoretical plane of image.
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。
About software, searching algorithm has been optimized. The focus evaluation function and the choice of the focusing window have also been described.
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。
Through studying the historical background of the focus detection and principles of optical imaging, the auto focusing system adopts image gradient as the auto focusing evaluation function.
从焦点检测的历史背景出发,结合光学的成像原理,提出了以图像梯度为对焦评价函数的自动调焦技术。
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