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    題名: The accuracy influence of different camera calibration conditions to bundle adjsutment of closerange images
    作者: Lin, Ju-Yen;Chio, Shih-Hong
    邱式鴻
    貢獻者: 地政系
    關鍵詞: Additional Parameter;Bundle adjustments;Camera calibration;Close range photogrammetry;Critical problems;Non-metric cameras;Operational conditions;Software products;Photogrammetry;Remote sensing;Calibration
    日期: 2012
    上傳時間: 2015-04-10 15:25:37 (UTC+8)
    摘要: Nowadays, close range photogrammetry is gradually applied in numerous fields. While using for mapping, the accuracy is a critical problem that we care. Generally speaking, the non-metric camera would be used in close-range photogrammetry. Therefore, the camera should be calibrated carefully before the bundle adjustment is performed on the determination of precise position and orientation of close-range images. However, different camera calibration conditions will affect the accuracy of bundle adjustment. In this study, the Canon EOS 5D, a SLR-type digital camera, will be used and different camera parameters will be calibrated by iWitnessPRO, a close-range photogrammetry software product. The different camera parameters with different camera calibration data sets from different distances will be used to discuss the accuracy influence of bundle adjustment. The bundle adjustment with additional parameters will be used to overcome several imaging systematic errors which are remained from imperfect calibration under operational conditions as part of solution to increase the accuracy of close range photogrammetry. Meanwhile, the results of bundle adjustment with additional parameters will be compared with the results of bundle adjustment. And both of them are performed by using different camera parameters calibrated with different distances. From the test results, the suggestions will be made for the mapping by using close-range images.
    關聯: 33rd Asian Conference on Remote Sensing 2012, ACRS 2012，Volume 2, 1672-1681
    資料類型: conference
    顯示於類別:[地政學系] 會議論文

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