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The application of image filters combined with the nonlinear regression analysis on optical auto-focusing

机译:图像滤波器结合非线性回归分析在光学自动聚焦中的应用

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This paper presents an optical auto-focusing system that is implemented by integrating a real-time auto-focusing algorithm, an image capturing and processing module and a stepper motor. Several image filters are tested and compared through the system for their effects on suppressing noise to accelerate the auto-focusing procedure. Besides, a nonlinear regression method is applied in the data analysis for the system to quickly move the stepper motor to the focus. The concise and effective algorithm can be applied on digital cameras for auto-focusing with noise reduction.
机译:本文提出了一种光学自动对焦系统,该系统通过集成实时自动对焦算法,图像捕获和处理模块以及步进电机来实现。测试了多个图像滤镜,并通过系统进行了比较,比较了它们在抑制噪声方面的效果,以加快自动聚焦过程。此外,在系统的数据分析中应用了非线性回归方法,以使步进电机快速移至焦点。简洁有效的算法可应用于数码相机,以实现自动对焦并降低噪声。

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