Absolute geolocation accuracy of high-resolution spotlight TerraSAR-X imagery - validation in Wuhan

被引：6
|
作者：
Wang, Jinghui [1 ]
Balz, Timo [1 ,2 ]
Liao, Mingsheng [1 ,2 ]
机构：
[1] Wuhan Univ, State Key Lab Informat Engn Surveying Mapping & R, Wuhan, Hubei, Peoples R China
[2] Wuhan Univ, Collaborat Innovat Ctr Geospatial Technol, Wuhan, Hubei, Peoples R China
来源：
GEO-SPATIAL INFORMATION SCIENCE | 2016年 / 19卷 / 04期
基金：
中国国家自然科学基金;
关键词：
Geolocation; stereo SAR; TerraSAR-X; GPS;
D O I：
10.1080/10095020.2016.1258183
中图分类号：
TP7 [遥感技术];
学科分类号：
081102 ; 0816 ; 081602 ; 083002 ; 1404 ;
摘要：
TerraSAR-X (TSX) can acquire high-resolution SAR images and due to its high orbit precision as well as its ability to acquire data from different off-nadir viewing angles, the high-precision stereo geolocation can be obtained. In this study, we investigate the absolute geolocation accuracy of TSX high-resolution images in Wuhan, China. We present a direct stereo SAR geolocation method and analyze the 2D and 3D geoposition accuracy of two corner reflectors. The sub-meter localization accuracy was achieved using only atmospheric correction information available in the TSX metadata.
引用
收藏
页码：267 / 272
页数：6
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