一种新的稀少控制条件下机载SAR影像区域网平差方法的研究

马婧; 尤红建; 龙辉; 丁赤飚

doi:10.3724/SP.J.1146.2009.01466

一种新的稀少控制条件下机载SAR影像区域网平差方法的研究

doi: 10.3724/SP.J.1146.2009.01466

马婧^{①②③ 尤红建,},
尤红建,
龙辉,
丁赤飚

基金项目:

国家自然科学基金(40701110)和航空电子系统综合技术国防科技重点试验室和航空科学基金(20085593001)资助课题

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出版历程
- 收稿日期: 2009-11-13
- 修回日期: 2010-08-19
- 刊出日期: 2010-12-19

A New Method of Block Adjustment of Airborne SAR Images with Few GCPs

Ma Jing^{①②③ 尤红建
,},
You Hong-Jian,
Long Hui,
Ding Chi-Biao

摘要

摘要: 困难测图地区缺少控制点一直是SAR图像校正的难点之一。该文针对机载SAR影像，提出了一种新的基于F.leberl构像模型平差的方法。借鉴光束法平差方法中解算前、后方交会的思想，交替趋近求解未知参量。实验结果表明，该方法不仅实现了在稀少控制点下求得定位参数的稳定解，而且有效减小了航带间同名点坐标误差，平差精度达到了单航带多控制点独立校正的水平。
- 机载SAR影像 /
- F.leberl模型 /
- 区域网平差
Abstract: Lacking of GCPs (Ground Control Points) in hard survey area is one of the most difficult problems of geometric rectification. This paper proposes a new method of large SAR image-block adjustment based on F.leberl model. The parameters of the images and ground coordinate of pass points can be calculated with the use of alternative and iterative algorithm. The result shows that this method could get steady result with few GCPs and the error of tie points can also be decreased effectively, the accuracy reaches to the lever of single-image-calibration method.
- Airborne SAR images /
- F.leberl model /
- Block adjustment

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参考文献(1)

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