| 基于平行光管的CCD相机标定新方法 |
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| 引用本文： | 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. |
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| 作者姓名： | 王志和 舒嵘 何志平 吕刚 王建宇 |
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| 作者单位： | 中国科学院上海技术物理研究所,上海,200083;中国科学院上海技术物理研究所,上海,200083;中国科学院上海技术物理研究所,上海,200083;中国科学院上海技术物理研究所,上海,200083;中国科学院上海技术物理研究所,上海,200083 |
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| 基金项目： | 上海科委(055115020)资助项目 |
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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.
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| 关 键 词： | CCD相机 几何标定 最小二乘模板匹配 非线性畸变 |
| 文章编号： | 1001-9014（2007）06-0465-04 |
| 收稿时间： | 2006-11-09 |
| 修稿时间： | 2007-04-25 |
NEW METHOD OF CCD CAMERA CALIBRATION BASED ON COLLIMATOR |
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| WANG Zhi-He,SHU Rong,HE Zhi-Ping,LV Gang,WANG Jian-Yu.NEW METHOD OF CCD CAMERA CALIBRATION BASED ON COLLIMATOR[J].Journal of Infrared and Millimeter Waves,2007,26(6):465-468. |
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| Authors: | WANG Zhi-He SHU Rong HE Zhi-Ping LV Gang WANG Jian-Yu |
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| 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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| Keywords: | CCD camera geometric calibration least squares image matching non-linear distortion |
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