基于有理多项式模型的GF4卫星区域影像平差处理方法及精度验证

doi:10.11947/j.AGCS.2016.20160262

测绘学报 ›› 2016, Vol. 45 ›› Issue (12): 1448-1454.doi: 10.11947/j.AGCS.2016.20160262

基于有理多项式模型的GF4卫星区域影像平差处理方法及精度验证

皮英冬¹, 杨博^2,3,4, 李欣¹

1. 武汉大学遥感信息工程学院, 湖北武汉 430072;
2. 武汉大学计算机学院, 湖北武汉 430072;
3. 地球空间信息协同创新中心, 湖北武汉 430079;
4. 武汉大学测绘遥感信息工程国家重点实验室, 湖北武汉 430079

收稿日期:2016-05-30 修回日期:2016-09-01 出版日期:2016-12-20 发布日期:2017-01-02
通讯作者: 杨博 E-mail:2009106190044@whu.edu.cn
作者简介:皮英冬(1992-),男,硕士,研究方向为航空航天摄影测量。E-mail:piyingdong@whu.edu.cn

Block-adjustment and Accuracy Validation for GF4 Patch-images Based on RFM

PI Yingdong¹, YANG Bo^2,3,4, LI Xin¹

1. School of Remote Sensing and Information Engineering, Wuhan University, Wuhan 430072, China;
2. School of Computer Science, Wuhan University, Wuhan 430072, China;
3. Collaborative Innovation Center of Geospatial Technology, Wuhan 430079, China;
4. State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing, Wuhan University, Wuhan 430079, China

Received:2016-05-30 Revised:2016-09-01 Online:2016-12-20 Published:2017-01-02

摘要/Abstract

摘要： 分析了我国首颗静止轨道光学遥感卫星高分四号（GF4）特有的区域成像模式的几何特性，基于静止轨道成像基高比较小的几何特性提出一种利用平均高程面的区域网平差方法。该方法针对GF4卫星影像构建了基于有理多项式模型RFM的区域网平差模型，并在无控制条件下，对GF4卫星区域影像进行区域网平差处理，解决了GF4号区域影像由于定轨误差、定姿误差、大气折光以及镜头畸变等因素导致的拼接精度较低的问题。最后，通过两组真实数据试验对本文方法的精度及有效性进行了验证，同时分析了采用不同的误差补偿模型对于平差结果精度的影响。

关键词: 高分四号, 区域网平差, RFM, 误差补偿模型, 拼接精度

Abstract: It is analysed that the geometric characters of specific patch-imaging mode of GF4 which is the first geostationary orbit optical remote sensing satellite of China. And a block adjustment method using average elevation is proposed directing at the specific geometric character that the base to height ratio between images is very small. The method constructs the block adjustment model based on rational function model (RFM) and the proposed block adjustment method is employed on the GF4 patch-images without ground control, which solves the low splicing accuracy situation due to some factors, such as low orbit and attitude measurement accuracy, astronomical refraction and lens distortion etc. At last, in two experiments with GF4 real data, it is verified that the accuracy and effectiveness of the proposed method, and the influence of different imagery errors compensated model is analysed also.

Key words: GF4, block adjustment, RFM, errors compensated model, splicing accuracy

中图分类号:

P227

皮英冬, 杨博, 李欣. 基于有理多项式模型的GF4卫星区域影像平差处理方法及精度验证[J]. 测绘学报, 2016, 45(12): 1448-1454.

PI Yingdong, YANG Bo, LI Xin. Block-adjustment and Accuracy Validation for GF4 Patch-images Based on RFM[J]. Acta Geodaetica et Cartographica Sinica, 2016, 45(12): 1448-1454.

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基于有理多项式模型的GF4卫星区域影像平差处理方法及精度验证

Block-adjustment and Accuracy Validation for GF4 Patch-images Based on RFM

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