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  1. SSMSパブリケーション
  2. Vol.06

Lens Calibration For Digital Photogrammetry And The Application

http://hdl.handle.net/10173/1850
http://hdl.handle.net/10173/1850
82aa9b77-21be-4b4c-ada0-f78c505ab557
名前 / ファイル ライセンス アクション
SMS10-172.pdf SMS10-172.pdf (414.5 kB)
Item type 会議発表論文 / Conference Paper(1)
公開日 2018-02-06
タイトル
タイトル Lens Calibration For Digital Photogrammetry And The Application
言語
言語 eng
キーワード
主題Scheme Other
主題 lens calibration
キーワード
主題Scheme Other
主題 digital photogrammetry
キーワード
主題Scheme Other
主題 application
資源タイプ
資源タイプ識別子 http://purl.org/coar/resource_type/c_5794
資源タイプ conference paper
著者 Uda, Koji

× Uda, Koji

Uda, Koji

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Takagi, Masataka

× Takagi, Masataka

Takagi, Masataka

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抄録
内容記述タイプ Abstract
内容記述 A specification of a digital camera is improving rapidly. High grade digital camera such as single lens reflex camera has over 10M pixel in a CCD. Then the accuracy of an angle measurement can achieves less than 1 second (1/3600 degree). This is almost the same specification with surveying equipment such as total station or transit. When stereo imageries are obtained, 3 dimensional measurement can be carried out base on co-linearity equation with ground control points. The ground control point means known 3 dimensional coordinates on the imagery. At least 4 ground control points are required to derive co-linearity equation. Moreover, lens distortion must be eliminated for accurate measurement. The elimination of the lens distortion is called lens calibration. Usually, the lens calibration is very difficult because many ground control points must be prepared. For easy lens calibration, the authors suggests a method using constellation pictures. Stars are accurately measured in this method. Starcatalogue has information of dimensional coordinates with some parameters. And the stars are too far from the earth. Then, the distance between the stars and the earth assumed infinite. Therefore, the position and attitude of camera in the constellation pictures also assumed center of celestial sphere. Computation of parameter of lens distortion will be very simple. After lens calibration, 3 dimensional measurement using digital camera can be carried out. Advantages of digital photogrammetry is high resolution 3 dimensional data can be obtained. The digital photogrammetry will be applied in some fields such as measurement of disaster site, an archive of surface model. This paper reports suggested method of lens calibration. Moreover, applications of digital photogrammetry are presented.
書誌情報 Society for Social Management Systems Internet Journal

巻 6, 号 1, 発行日 2010-03
ISSN
収録物識別子タイプ ISSN
収録物識別子 2432-552X
著者版フラグ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
出版者
出版者 Society for Social Management Systems
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