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图像融合中配准误差的影响
引用本文:王忠武,赵忠明.图像融合中配准误差的影响[J].测绘科学,2010,35(2):96-98.
作者姓名:王忠武  赵忠明
作者单位:中国科学院遥感应用研究所,北京,100101;中国土地勘测规划院,北京,100035;中国科学院遥感应用研究所,北京,100101
摘    要:基于IKONOS-2全色与多光谱图像和Cartosat-1全色与CBERS-02多光谱图像,通过模拟的和真实的配准误差,采用IHS融合和Brovey融合方法,本文讨论了配准误差对融合结果的影响。实验表明,配准误差对融合质量的影响较大,在遥感图像融合处理中,配准误差越小越好;对于保持光谱信息的融合,当配准误差增加时,两种方法产生的光谱变形都迅速增加,此后光谱变形程度随配准误差的变大继续缓慢增强;对于保持空间信息的融合,配准误差的增大,导致两种方法融合结果的清晰度都下降,但下降速度略有不同。

关 键 词:图像融合  配准误差  质量评价  光谱变形  清晰度

Effects of registration residual in image fusion
WANG Zhong-wu,ZHAO Zhong-ming.Effects of registration residual in image fusion[J].Science of Surveying and Mapping,2010,35(2):96-98.
Authors:WANG Zhong-wu  ZHAO Zhong-ming
Abstract:This paper mainly discussed the effects of registration residual in IHS and Brovey image fusion methods,using two datasets,IKONOS-2 panchromatic/muhispectral images and Cartosat-1 panchromatic/CBERS-02 maltispectral images,with simulated and reality registration residuals.Experiments showed that: registration residual affects two methods a lot,and must be limited as small as possible in the applications; for the image fusion of spectral information preserving,spectrum distortion augments heavily while the registration residual occurs,and then increases much more slowly as registration residual becomes larger; for the image fusion of spatial information preserving,definition decreases for both methods with approximate speeds while registration residual increases.
Keywords:image fusion  registration residual  quality assessment  spectrum distortion  definition
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