基于航线结构的无地面控制点线阵航空传感器检校方法研究

›› 2013, Vol. 42 ›› Issue (3): 0-0.

• 学术论文 • 下一篇

基于航线结构的无地面控制点线阵航空传感器检校方法研究

许妙忠¹,尹粟²,李明³

1. 武汉大学测绘遥感信息工程国家重点实验室
2. 测绘遥感信息工程国家重点实验室
3. 国家基础地理信息中心

收稿日期:2012-09-25 修回日期:2012-10-29 出版日期:2013-06-20 发布日期:2014-01-23
通讯作者: 许妙忠 E-mail:422736042@qq.com
基金资助:
国家重点基础研究发展计划项目（973计划项目）：高分辨率遥感数据精处理和空间信息智能转化的理论与方法;测绘遥感信息工程国家重点实验室专项科研经费

Research on the Linear Array Aerial Sensor Calibration Without Ground Control Points Based on Strip Structure

1.
2. State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing

Received:2012-09-25 Revised:2012-10-29 Online:2013-06-20 Published:2014-01-23

摘要/Abstract

摘要： 本文基于线阵传感器几何特性和误差模型的分析，提出了一种不利用地面检校场的无地面控制点检校线阵传感器的方法。从对几何定标各种参数相关性的分析中，本文提出利用改善航线结构本身的几何条件可以消除或减少参数间的强相关性对解算精度的影响。特别对双航高结构消除主距、主点与高程之间的强相关性作了具体分析，从而实现了无地面控制点的相机自检校过程。然后研究了整个工作流程并利用不同相机的实际数据进行了检校实验，对生成的新相机参数进行了精度验证与分析。结果证实本文提出的方法是完全可靠和可行的，能有效提高成像数据的几何定位精度。

关键词: 线阵航空传感器, 双航高, 几何检校, 航线结构

Abstract: Based on the analysis of geometrical characteristic and error model of the linear array sensor, this paper puts forward a kind of linear array sensor calibration method without ground control points(GCPs), which could not be required testfield any more. From the analysis of the correlation of the various parameters of the geometric calibration, the geometrical conditions of the strip structure are provided to eliminate or reduce the correlations among various parameters which affect the accuracy of the calibration result. The special structure of the two-flight levels is discussed to eliminate the strong correlation between principal distance, principal point and height, in order to achieve the camera self- calibration process without ground control points. Research on the whole working process and using different camera data for calibration experiments, the accuracy of the new camera parameters are validated and analyzed. The results confirmed that the method in this paper is completely reliable and feasible, and can effectively improve the imaging data of geometric positioning accuracy.

Key words: linear array aerial sensor, two flight levels, geometric calibration, strip structure

中图分类号:

P237

许妙忠尹粟李明. 基于航线结构的无地面控制点线阵航空传感器检校方法研究[J]. , 2013, 42(3): 0-0.

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基于航线结构的无地面控制点线阵航空传感器检校方法研究

Research on the Linear Array Aerial Sensor Calibration Without Ground Control Points Based on Strip Structure

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