非量测数字相机实验室几何标定

doi:10.11947/j.AGCS.2016.20140539

测绘学报 ›› 2016, Vol. 45 ›› Issue (5): 601-607.doi: 10.11947/j.AGCS.2016.20140539

非量测数字相机实验室几何标定

袁枫¹, 张继贤², 齐维君^1,2, 方爱平^1,2

1. 国家光电测距仪检测中心, 北京 100039;
2. 中国测绘科学研究院, 北京 100830

收稿日期:2014-11-13 修回日期:2016-02-03 出版日期:2016-05-20 发布日期:2016-05-30
作者简介:袁枫(1981-),男,博士,主要研究方向为数字摄影测量、机载。E-mail: yf8426@126.com
基金资助:
测绘地理信息公益性行业科研专项(201512010);中国测绘科学研究院专项基金(7771531)

Laboratory Geometric Calibration of Non-metric Digital Camera

YUAN Feng¹, ZHANG Jixian², QI Weijun^1,2, FANG Aiping^1,2

1. National Calibration Center for Electro-optical Distance Meter, Beijing 100039, China;
2. Chinese Academy of Surveying and Mapping, Beijing 100830, ChinaAbstract

Received:2014-11-13 Revised:2016-02-03 Online:2016-05-20 Published:2016-05-30
Supported by:
Public Science Research Program of Surveying, Mapping and Geoinformation (No. 201512010);Chinese Academy of Surveying and Mapping Special Fund (No. 7771531)

摘要/Abstract

摘要： 非量测数字相机的几何标定,包括内方位元素和畸变的精确测定,直接影响其用于航空摄影测量的最终精度。本文研制出一套非量测数字相机实验室几何标定系统。该系统采用平行光管加星点板作为目标发生器,在测量出一组目标点在相机的CCD靶面上的像点坐标及对应的平行光线的入射角后,结合几何标定的数学模型,可以实现相机的高精度几何标定。采用佳能EOS 5D Mark Ⅱ和哈苏H3D两款典型的数字相机进行了试验与分析。试验结果验证了本文标定方法的正确性以及精度的可靠性。

关键词: 非量测数字相机, 几何标定, 内方位元素, 畸变

Abstract: Geometric calibration of non-metric digital camera, including the accurate determination of interior orientation elements and distortion parameters, directly affects the ultimate accuracy of its using in aerial photogrammetry. In this paper, a laboratory geometric calibration system of non-metric digital camera is developed. A collimator and a star tester are used as the target generator in this system. After measuring locations of targets in CCD and corresponding angles of parallel lights, high precision geometric calibration can be accomplished. Two kinds of mainstream digital aerial cameras, Canon EOS 5D Mark Ⅱ and Hasselblad H3D, are used to take experiments based on this system and the results are analyzed. Experiment results show that the method of this paper is correct and the calibration precision is reliable.

Key words: non-metric digital camera, geometric calibration, interior orientation elements, distortion

中图分类号:

P237

袁枫, 张继贤, 齐维君, 方爱平. 非量测数字相机实验室几何标定[J]. 测绘学报, 2016, 45(5): 601-607.

YUAN Feng, ZHANG Jixian, QI Weijun, FANG Aiping. Laboratory Geometric Calibration of Non-metric Digital Camera[J]. Acta Geodaetica et Cartographica Sinica, 2016, 45(5): 601-607.

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非量测数字相机实验室几何标定

Laboratory Geometric Calibration of Non-metric Digital Camera

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