期刊名称：ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences
印刷版ISSN：2194-9042
电子版ISSN：2194-9050
出版年度：2008
卷号：XXXVII Part B4
页码：1389-1394
出版社：Copernicus Publications
摘要：High Resolution Satellite Imagery (HRSI) is now being used more and more in city development. The geometric correction of HRSI is the basis of all the image process work for other application such as acquisition and updating of topographic data. This paper first discusses the background and details of Rational Function Model (RFM) which describes the coordinates in image space and object space, and then two different schemes in both object space and image space are introduced. With different parameters, four kinds of accuracy improvement models in both spaces are put forward and discussed, respectively. Conclusion is drawn that with more well distributed Ground Control Points (GCPs), high geo-positioning accuracy can be obtained up to about 0.6 meter in plane direction and 0.7 meter in height direction for QuickBird across-track stereo imagery in Metropolitan Area
关键词：Accuracy Improvement; Ground Control Points; Rational Function Model; Topographic Mapping; Quickbird
