| 数码相机内部参数标定 |
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| 引用本文： | 陆永耕.数码相机内部参数标定[J].上海电机学院学报,2012,15(2):97-100. |
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| 作者姓名： | 陆永耕 |
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| 作者单位： | 上海电机学院电气学院,上海,200240 |
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| 摘 要： | 研究了基于2D平面靶标的数码相机标定,利用数码相机拍摄靶标图片,通过直线拟合和RQ分解将得到的景点坐标代入三维坐标模型方程求解数码相机参数模型,其中相机内部参数包括有效焦距、光学中心、径向畸变和切向畸变。采取二次拟合方法可进一步提高内部参数计算的精度,用于数码相机拍摄图像的外部参数进行计算。
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| 关 键 词： | 数码相机 视觉坐标 内部参数 空间几何 标定 |
Calibration of Internal Parameters of Digital Camera |
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| LU Yonggeng.Calibration of Internal Parameters of Digital Camera[J].JOurnal of Shanghai Dianji University,2012,15(2):97-100. |
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| Authors: | LU Yonggeng |
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| Affiliation: | LU Yonggeng(School of Electric,Shanghai Dianji University,Shanghai 200240,China) |
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| Abstract: | Camera calibration based on 2D planar targets is studied,including line fitting,RQ decomposition and determination of the camera’s internal parameters.Take pictures of the targets with a digital camera,marking image coordinates in the same spot,and substituting into three-dimensional coordinates to obtain the internal parameters of the camera.A second times linear fitting is used to improve accuracy.The purpose of calibrating the internal parameters is to calculate the external parameters. |
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| Keywords: | digital camera internal parameter vision coordinate space geometry calibration |
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