遥感卫星图像几何定位精度评估方法浅析
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摘要
遥感卫星图像的几何定位精度是卫星遥感能力地面预估或在轨评价的重要指标之一。利用传统评价方法得到的几何定位精度不能完全反映遥感卫星的定位能力,针对不同的几何定位精度,需要更加准确的评价方法。文章首先介绍了几何定位精度的概念,并且分析了内部和外部几何定位精度的区别;其次通过对中误差和圆概率误差的研究,比较其各自的优缺点;最后采用不同的几何定位精度评价方法对仿真数据进行评估,结果表明选择合适的几何定位精度评价方法可以得到更准确可靠的评价结果。
The geometric positioning accuracy of remote sensing satellite image is an important characteristic of satellite remote sensing capability for both ground and on-orbit assessments. The geometric positioning accuracy obtained by the traditional evaluation method cannot completely consider the locating ability of the remote sensing satellites. Therefore a more accurate evaluation method is needed for different geometric positioning accuracy. Firstly, in this paper the concept of geometric positioning accuracy was introduced, and then the difference between internal and external geometric positioning accuracy was analyzed. Secondly, the advantages and disadvantages of standard error and circular error were given. Finally, different geometric positioning accuracy evaluation methods were used to estimate the simulation data. The results showed that more accurate and reliable assessment results can be obtained by choosing the appropriate evaluation method of geometric positioning accuracy.
The geometric positioning accuracy of remote sensing satellite image is an important characteristic of satellite remote sensing capability for both ground and on-orbit assessments. The geometric positioning accuracy obtained by the traditional evaluation method cannot completely consider the locating ability of the remote sensing satellites. Therefore a more accurate evaluation method is needed for different geometric positioning accuracy. Firstly, in this paper the concept of geometric positioning accuracy was introduced, and then the difference between internal and external geometric positioning accuracy was analyzed. Secondly, the advantages and disadvantages of standard error and circular error were given. Finally, different geometric positioning accuracy evaluation methods were used to estimate the simulation data. The results showed that more accurate and reliable assessment results can be obtained by choosing the appropriate evaluation method of geometric positioning accuracy.
引文
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[20]金涛,李贞,李婷,等.提高光学遥感卫星图像几何精度总体设计分析[J].宇航学报,2013,34(8):1160-1165.JIN Tao,LI Zhen,LI Ting,et al.System Design and Analysis for Improving Geometric Accuracy of High-resolution Optical Remote Sensing Satellite Image[J].Journal of Astronautics,2013,34(8):1160-1165.(in Chinese)
[21]张伟,曹广超.浅析遥感图像的几何校正原理及方法[J].价值工程,2011(2):189-190.ZHANG Wei,CAO Guangchao.Discussion on Geometric Correction of Remote Sensing Images[J].Value Engineering,2011(2):189-190.(in Chinese)
[22]张乐,李武周,巨养锋,等.基于圆概率误差的定位精度评定办法[J].指挥控制与仿真,2013,35(1):111-114.ZHANG Le,LI Wuzhou,JU Yangfeng,et al.Positioning Accuracy Evaluation Method Based on CEP[J].Command Control&Simulation,2013,35(1):111-114.(in Chinese)
[2]夏中秋,黄巧林,何红艳,等.高分辨率光学遥感卫星几何链路定位精度分析[J].航天返回与遥感,2016,37(3):111-119.XIA Zhongqiu,HUANG Qiaolin,HE Hongyan,et al.Analysis of Geolocation Accuracy of High Resolution Optical Remote Sensing Satellite Geometric Chain[J].Spacecraft Recovery&Remote Sensing,2016,37(3):111-119.(in Chinese)
[3]唐新明,谢俊峰,张过.测绘卫星技术总体发展和现状[J].航天返回与遥感,2012,33(3):17-24.TANG Xinming,XIE Junfeng,ZHANG Guo.Development and Status of Mapping Satellite Technology[J].Spacecraft Recovery&Remote Sensing,2012,33(3):17-24.(in Chinese)
[4]阮宁娟,庄绪霞,李妥妥,等.空间光学遥感系统全链路仿真与分析[J].航天返回与遥感,2013,34(6):36-43.RUAN Ningjuan,ZHUANG Xuxia,LI Tuotuo,et al.End to End Simulation and Analysis of Space Optical Remote Sensing System[J].Spacecraft Recovery&Remote Sensing,2013,34(6):36-43.(in Chinese)
[5]张过.线阵推扫式光学卫星几何高精度处理[M].北京:科学出版社,2016.ZHANG Guo.Line Push-broom Remote Sensing Satellite Geometry to Deal with High Precision[M].Beijing:Science Publishing House,2016.(in Chinese)
[6]左德山.提高高分辨率遥感影像系统定位精度技术研究[D].哈尔滨:哈尔滨工业大学,2012.ZUO Deshan.Technical Research on The Improvement of Positioning Accuracy of High Resolution Remote Sensing Satellite Image System[D].Harbin:Harbin Institute of Technology,2012.(in Chinese)
[7]余俊鹏.高分辨率卫星遥感影像的精确几何定位[D].武汉:武汉大学,2009.YU Junpeng.Accurate Geometric Positioning of High Resolution Satellite Remote Sensing Imagery[D].Wuhan:Wuhan University,2009.(in Chinese)
[8]XIA Zhongqiu,HUANG Qiaolin,HE Hongyan,et al.Study on Geometric Performance Assessment Method of High Resolution Optical Remote Sensing Satellite Imagery[C].Eighth International Symposium on Advanced Optical Manufacturing&Testing Technology,Suzhou:2016,9682:96820N.
[9]XIA Zhongqiu,HUANG Qiaolin,HE Hongyan,et al.Analysis of High Resolution Two Line Array Camera Stereo Georeferencing Accuracy[C].The 3rd International Symposium of Space Optical Instrument and Application,Beijing:2016.
[10]陈艺虾.遥感图像几何定位精度评价方法研究[D].南京:南京理工大学,2013.CHEN Yixia.Research of Remote Sensing Imagery Geometric Location Accuracy Evaluation Method[D].Nanjing:Nanjing University of Science and Technology,2013.(in Chinese)
[11]王任享,王建荣,胡莘.天绘一号03星定位精度初步评估[J].测绘学报,2016,45(10):1135-1139.WANG Renxiang,WANG Jianrong,HU Xin.Preliminary Location Accuracy Assessments of 3rd Satellite of TH-1[J].Acta Geodaetica et Cartographica Sinica,2016,45(10):1135-1139.(in Chinese)
[12]王薇,赵利平.Geo Eye-1立体像对定位精度及其应用分析[J].遥感信息,2012(1):48-52.WANG Wei,ZHAO Liping.Analysis of Mapping Accuracy of Geo Eye-1 Stereopair and Its Application[J].Remote Sensing Information,2012(1):48-52.(in Chinese)
[13]张佳栋,李娜,赵慧洁,等.采用SIFT特征的高光谱数据自动几何精校正[J].红外与激光工程,2013(9):2414-2420.ZHANG Jiadong,LI Na,ZHAO Huijie,et al.Automatic Geometric Precision Correction of Hyperspectral Data Based on SIFT feature[J].Infrared and Laser Engineering,2013(9):2414-2420.(in Chinese)
[14]盛庆红,肖晖.卫星遥感与摄影测量[M].北京:科学出版社,2015.SHENG Qinghong,XIAO Hui.Satellite Remote Sensing and Photogrammetry[M].Beijing:Science Publishing House,2015.(in Chinese)
[15]张伍,陆春玲.推扫成像遥感卫星图像定位精度分析与设计[J].航天器工程,2007,16(7):6-11.ZHANG Wu,LU Chunling.Design and Analysis of Determining the Image Position Error of Push-broom Remote Sensing Satellite[J].Spacecraft Engineering,2007,16(7):6-11.(in Chinese)
[16]周楠,何红艳.星载线阵遥感器在轨几何外检校技术研究[J].航天返回与遥感,2016,36(5):111-118.ZHOU Nan,HE Hongyan.Research of Geometric Exterior Calibration of Space-borne Linear Array Sensor[J].Spacecraft Recovery&Remote Sensing,2016,36(5):111-118.(in Chinese)
[17]LIGHT D L.Characteristics of Remote Sensors for Mapping and Earth Science Applications[J].Photogrammetric Engineering&Remote Sensing,1990,56(12):1613-1623.
[18]GRUEN A,KOCAMAN S,WOLFF K.Calibration and Validation of Early ALOS/PRISM Images[J].The Journal of the Japan Society of Photogrammetry and Remote Sensing,2007,46(1):24-38.
[19]王建荣,王任享,胡莘.卫星影像定位精度评估探讨[J].航天返回与遥感,2017,38(1):1-5.WANG Jianrong,WANG Renxiang,HU Xin.Discussion on Evaluation of Satellite Imagery Location Accuracy[J].Spacecraft Recovery&Remote Sensing,2017,38(1):1-5.(in Chinese)
[20]金涛,李贞,李婷,等.提高光学遥感卫星图像几何精度总体设计分析[J].宇航学报,2013,34(8):1160-1165.JIN Tao,LI Zhen,LI Ting,et al.System Design and Analysis for Improving Geometric Accuracy of High-resolution Optical Remote Sensing Satellite Image[J].Journal of Astronautics,2013,34(8):1160-1165.(in Chinese)
[21]张伟,曹广超.浅析遥感图像的几何校正原理及方法[J].价值工程,2011(2):189-190.ZHANG Wei,CAO Guangchao.Discussion on Geometric Correction of Remote Sensing Images[J].Value Engineering,2011(2):189-190.(in Chinese)
[22]张乐,李武周,巨养锋,等.基于圆概率误差的定位精度评定办法[J].指挥控制与仿真,2013,35(1):111-114.ZHANG Le,LI Wuzhou,JU Yangfeng,et al.Positioning Accuracy Evaluation Method Based on CEP[J].Command Control&Simulation,2013,35(1):111-114.(in Chinese)