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Proceedings Paper

On-orbit visual principle point monitoring system of three-line array camera
Author(s): Yong Lv; Qibo Feng; Lishuang Liu; Qingshan Chen
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Paper Abstract

Visual principle point is a key photogrammetry parameter while the position change of it can only indirectly be estimated by the inverse calculation of the ground control point presently. To get the exact position change of the visual principle point an on-orbit monitoring system of three-line array camera is proposed. The system is composed of light source part and photoelectric detecting part that move along with the lens and the line array CCD respectively. The position change of the visual principle point can be derived by the position change of the two light spots. This system will not change the structure of the camera and influence the function of it. Experimental system is built up and ground test results prove the feasibility of the monitoring system and show the accuracy of it is better than 1μm.

Paper Details

Date Published: 20 November 2009
PDF: 5 pages
Proc. SPIE 7511, 2009 International Conference on Optical Instruments and Technology: Optoelectronic Measurement Technology and Systems, 75111B (20 November 2009); doi: 10.1117/12.837802
Show Author Affiliations
Yong Lv, Beijing Jiaotong Univ. (China)
Beijing Information Science & Technology Univ. (China)
Qibo Feng, Beijing Jiaotong Univ. (China)
Lishuang Liu, Beijing Information Science & Technology Univ. (China)
Qingshan Chen, Beijing Information Science & Technology Univ. (China)


Published in SPIE Proceedings Vol. 7511:
2009 International Conference on Optical Instruments and Technology: Optoelectronic Measurement Technology and Systems
Shenghua Ye; Guangjun Zhang; Jun Ni, Editor(s)

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