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[an error occurred while processing this directive] 中国光学 2010, 15(3) 229-238  ISSN: 2095-1531 CN: 1400/O4

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空间光学
外视场拼接测量系统的视场拼接和交汇测量算法及其实现
王 旻1,2;宋立维1;乔彦峰1;余 毅1
1. 中国科学院 长春光学精密机械与物理研究所,吉林 长春 130033;2. 中国科学院 研究生院 北京100039
摘要

基于2台外视场拼接高速电视测量仪原型样机(硬件)提出了一种将交汇测量和拼接处理相结合的算法。根据需要对地球质心和光电测量系统建立了5个坐标系,介绍了坐标系的定义及其它们之间的变换过程,给出了目标轨迹交汇测量和视场拼接的实例。用2台高速电视测量仪拼接的8台测量相机同时对同一运动目标进行测量,对获得的测量数据进行交汇和视场拼接处理,结果显示提出的拼接算法是正确、有效的,可以得到唯一解;地球曲率半径和地球子午线收敛两项影响因素得到了完全修正,表明交汇测量算法完全可以推广到其它光电测控仪器的交汇测量。

关键词 外视场拼接   交汇测量   地球曲率半径   子午线收敛   误差修正  
Convergence algorithm of field stitching and intersection measurement for external field stitching measuring system and its implementation
WANG Min1,2;SONG Li-wei1;QIAO Yan-feng1;YU Yi1
1. Changchun Institute of Optics,Fine Mechanics and Physics, Chinese Academy of Sciences,Changchun 130033,China;2. Graduate University of Chinese Academy of Sciences,Beijing 100039,China
Abstract:

A convergence algorithm of field stitching and intersection measurement is proposed based on the development of two prototypes of high-speed video-measuring systems with external field stitching. Five coordinates are established for the earth centroid and optoelectronical systems. The definations of the coordinates are introduced and coordinate transforms are discussed. The experiment of intersection measurement and field stitching for an identical moving target is carried out with the data from eight cameras in two high-speed TV measuring instruments. The result shows that the stitching algorithm is correct and effective, and has obtained an unique solution. Meanwhile, the influences of earth curvature and meridional convergent errors are fully correated, which indicates that the intersection measurement algorithm can also be used in the intersection measurement of other optoelectronical measurement and control instruments.

Keywords: external field stitching   intersection measurement   earth curvature   meridional convergence   error correction  
收稿日期 2010-03-12 修回日期 1900-01-01 网络版发布日期  
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