Open water detection from Baltic Sea ice Radarsat-1 SAR imagery

被引：72
|
作者：
Karvonen, J [1 ]
Similä, M
Mäkynen, M
机构：
[1] Finnish Inst Marine res, FIN-00931 Helsinki, Finland
[2] Univ Helsinki, Lab Space Technol, FIN-02015 Espoo, Finland
来源：
IEEE GEOSCIENCE AND REMOTE SENSING LETTERS | 2005年 / 2卷 / 03期
关键词：
autocorrelation; Baltic Sea ice; open water; Radarsat-1; synthetic aperture radar (SAR);
D O I：
10.1109/LGRS.2005.847930
中图分类号：
P3 [地球物理学]; P59 [地球化学];
学科分类号：
0708 ; 070902 ;
摘要：
An algorithm for open water and sea ice discrimination for Radarsat-1 ScanSAR images is presented. The algorithm is based on segmentation and local synthetic aperture radar signal intensity autocorrelation. The algorithm performance is evaluated by comparing the results to operational digitized ice charts, in which the sea ice information is based on human interpretation of multiple data sources, including remote sensing data. The algorithm locates the open water of the digitized ice charts with about 90% accuracy.
引用
收藏
页码：275 / 279
页数：5
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