基于平行光管的CCD相机标定新方法
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TP751

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上海市科委资助项目


NEW METHOD OF CCD CAMERA CALIBRATION BASED ON COLLIMATOR
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    摘要:

    阐述了一种由二维精密转台、平行光管和CCD相机构成的光学实验室相机标定的方法.首先通过Hough变换和最小二乘模板匹配方法得到平行光管十字丝钣孔在CCD相机焦平面上的成像交叉点的位置,然后根据相机畸变模型,由最小二乘回归解算出内方位元素和畸变参数,实验证明该方法标定结果满足空三处理和测图精度的要求.

    Abstract:

    A new method to calibrate CCD camera was proposed. It consists of two-dimension rotate instrument, collimator and CCD camera. At first, through Hough translation and least squares image matching, the intersection point of crisscross fixed on collimator, which imaged on the CCD focus plane, was found, And then a linear regression of least squares was used to calibrate the inner orientation elements and the distorted parameters based on the non-linear distortion model of camera. Experimental results of this method reveal good performance in the application of aerial triangulation operation and digital mapping.

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王志和,舒嵘,何志平,吕刚,王建宇.基于平行光管的CCD相机标定新方法[J].红外与毫米波学报,2007,26(6):465~468]. WANG Zhi-He, SHU Rong, HE Zhi-Ping, LV Gang, WANG Jian-Yu. NEW METHOD OF CCD CAMERA CALIBRATION BASED ON COLLIMATOR[J]. J. Infrared Millim. Waves,2007,26(6):465~468.]

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  • 收稿日期:2006-11-09
  • 最后修改日期:2007-04-25
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