基于RPC的TerraSAR-X影像立体定向平差模型RPC-based adjustment model for TerraSAR-X stereo orientation
张过,李贞
摘要(Abstract)：
针对新型高分辨率雷达卫星TerraSAR-X立体像对,本文提出采用基于RPC的平差模型,通过少量的地面控制点来拟合因传感器不稳定、平台星历数据不精确及测距误差引起的影像几何畸变,从而达到精确定向目的。为验证RPC平差模型的适用性,通过在立体成像区域均匀布设人工角反射器点的方法验证其模型精度,并评估了其三维定向平差后的精度。实验结果表明RPC平差模型能很好地适用于TerraSAR-X立体数据,并可获得4点控制条件下,平面0.166 m和高程0.241 m的精度,说明利用RPC平差模型可以对TerraSAR-X数据的立体定向达到很好的精度。
关键词(KeyWords)： RPC模型;平差模型;立体定向;TerraSAR-X
基金项目(Foundation): 国家科技支撑(2011BAB01B01);; 国家自然科学基金(40930532);; 国家863(2008AA121203)
作者(Author): 张过,李贞
DOI: 10.16251/j.cnki.1009-2307.2011.06.071
参考文献(References)：
- [1]Curlander,J C.Location of spaceborne SAR imagery[C]//IEEE Transactions on Geoscience and RemoteSensing,1982,20(3):359-364.
- [2]Chen,PH.,Dowman,I J.A weighted least squaressolution for space intersection of spaceborne stereo SARdata[C]//IEEE Transactions on Geoscience and Re-mote Sensing,2001,39:233-240.
- [3]Raggam,H,Gutjahr,K,Perko,R,Schardt,M.Assessment of the stereo-radargrammetric mappingpotential of TerraSAR-X multibeam spotlight data[C]//IEEE Transactions on Geoscience and RemoteSensing,2010,48(2):971-977.
- [4]GRODECKI J.IKONOS Stereo Feature Extraction-RPCApproach[C/CD]//Proceedings of ASPRS Confer-ence.St.Louis,2001.
- [5]CHEN Liangchien,TEO Teeann,LIU Chienliang.TheGeometrical Comparisons of RSM and RFM for FORMO-SAT-2 Satellite Images[J].Photogrammetric Engi-neering&Remote Sensing,2006,72(5):573-579.
- [6]Fraser C S,Hanley H B.Bias Compensation in RationalFunctions for Ikonos Satellite Imagery[J].Photogram-metric Engineering&Remote Sensing.2003,69(1).
- [7]G Dial,J Grodecki.“Block adjustment with rational pol-ynomial camera models,”[C]//Proceedings of ASPRSAnnual Meeting,Washington,DC,2002:22-26.
- [8]张力,张继贤,陈向阳,安宏.基于有理多项式模型RFM的稀少控制SPOT-5卫星影像区域网平差[J].测绘学报.2009,38(4):302-310.
- [9]Zhang,G,Fei,W B,Li,Z,Zhu,X Y,Li,DR.Evaluation of the RPC Model for Spaceborne SARImagery[J].Photogrammetric Engineering and RemoteSensing,2010,76:727-733.
- [10]张过,费文波,李贞,祝小勇,唐新明.用RPC替代星载SAR严密成像几何模型的试验与分析[J].测绘学报,2010,39(3):264-270.
- [11]Tao,C V,Hu,Y.A comprehensive study of the ra-tional function model for photogrammetric processing[J],Photogrammetric Engineering&Remote Sensing,2001,67:1347-1357.
- [12]Curlander,J C,McDonough,R N.Synthetic apertureradar-Systems and signal processing[M].New York:John Wiley&Sons,Inc,1991.
- [13]Xia,Y,Kaufmann,H,Guo,X F.Landslide monito-ring in the three Gorges area using D-INSAR and cornerreflectors[J].Photogrammetric Engineering and Re-mote Sensing,2004,70:1167-1172.