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- 尾崎 幸男
- 国土地理院
書誌事項
- タイトル別名
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- An Approximate Camera Calibration Method
- カメラ ノ キンジテキ ケンテイ ノ ホウホウ
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説明
An approximate camera calibration method without using any photogoniometer or angle measurement was tried for the preliminary calibration of the taken camera. A flat terrain with vast quantity of canals, rivers and ditches was selected and the heights of water surface was measured with a precise plotting instrument at many points scattering over the stereo-model.<BR>After adjustments of model inclination and the effects of the Earth's curvature, the height discrepancies at each points from the datum plane was expressed as the function of bi-polar coordinnates, which has their poles at the principal points of the two photos.<BR>Assuming a polinomial form for the distortion, the residual bight discrepancies were computed and compared with the measured values And the distortion polinominals was corrected by iteration.<BR>Actual analysis was carried out graphically, with not so high accuracy which can not be expected from such a approximate method. Also, the determination of the principal points on the photo-plane was not tried because of the poor resultant accuracy which may be expected from such a approximate method.
収録刊行物
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- 写真測量
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写真測量 13 (4), 8-12, 1974
社団法人 日本写真測量学会
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詳細情報 詳細情報について
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- CRID
- 1390001204078085248
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- NII論文ID
- 130004123904
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- NII書誌ID
- AN0011144X
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- ISSN
- 18843980
- 05494451
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- NDL書誌ID
- 1578676
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
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- 使用不可