Registration of Optical and SAR Satellite Images by Exploring the Spatial Relationship of the Improved SIFT

被引：153
|
作者：
Fan, Bin [1 ]
Huo, Chunlei [1 ]
Pan, Chunhong [1 ]
Kong, Qingqun [1 ]
机构：
[1] Chinese Acad Sci, Inst Automat, Natl Lab Pattern Recognit, Beijing 100190, Peoples R China
来源：
IEEE GEOSCIENCE AND REMOTE SENSING LETTERS | 2013年 / 10卷 / 04期
基金：
美国国家科学基金会;
关键词：
Optical and SAR image registration; remote sensing; scale-invariant feature transform (SIFT); spatial consistent matching (SCM); synthetic aperture radar (SAR); OPERATOR;
D O I：
10.1109/LGRS.2012.2216500
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：
Although feature-based methods have been successfully developed in the past decades for the registration of optical images, the registration of optical and synthetic aperture radar (SAR) images is still a challenging problem in remote sensing. In this letter, an improved version of the scale-invariant feature transform is first proposed to obtain initial matching features from optical and SAR images. Then, the initial matching features are refined by exploring their spatial relationship. The refined feature matches are finally used for estimating registration parameters. Experimental results have shown the effectiveness of the proposed method.
引用
收藏
页码：657 / 661
页数：5
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