{"title":"Study on Focusing of Area Array Camera by Using Frequency of Images","authors":"Lina Ma, Chong-yang Li, Dongjie Wang, Yinglong Zhao, Zhongrui Jin, Zhiyuan Liu","doi":"10.4236/opj.2021.118028","DOIUrl":null,"url":null,"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.","PeriodicalId":64491,"journal":{"name":"光学与光子学期刊(英文)","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2021-08-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"光学与光子学期刊(英文)","FirstCategoryId":"1089","ListUrlMain":"https://doi.org/10.4236/opj.2021.118028","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
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.
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