Study on Focusing of Area Array Camera by Using Frequency of Images

Lina Ma, Chong-yang Li, Dongjie Wang, Yinglong Zhao, Zhongrui Jin, Zhiyuan Liu
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Abstract

Focusing of an area array camera is an important step in making a high precision imaging camera. Its testing method needs special study. In this paper, a method of camera focusing is introduced. The defocusing depth of camera is calculated by using the frequency spectrum of defocused image. This method is especially suitable for the focusing of the Planar Array Camera, and avoids the complicated work of adjusting the focus plane of the planar array camera in the focusing process.
基于图像频率的面阵相机聚焦研究
面阵相机的调焦是制造高精度成像相机的重要步骤。其检测方法需要专门研究。本文介绍了一种相机对焦的方法。利用离焦图像的频谱计算相机的离焦深度。该方法特别适用于平面阵相机的对焦,避免了在对焦过程中调整平面阵相机聚焦平面的复杂工作。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
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