波段运算与PCA结合的融合方法研究Study on a new fusion method of combineing bands operation with PCA
杨青青,王克林,陈洪松,田日昌,于一尊
摘要(Abstract):
为了改善常用的主成分融合方法的融合效果,本研究结合算术运算对其加以改进,并将融合结果与主成分、Brovey和小波变换三种方法进行比较。结果表明:新方法目视优于其他三种方法,更好地保持了地物的光谱特征,监督分类可使总体分类精度达到80.45%,比主成分融合的精度提高了8%。定量指标中,均值、标准差与原图像接近,光谱扭曲小,清晰度明显提高。在四种方法中表现最好。
关键词(KeyWords): 图像融合;IKONOS;主成分融合;Brovey
基金项目(Foundation): 中国科学院西部行动计划项目(KZCX2-XB2-08);; 国家973计划(2006CB403208);; 中国科学院“西部之光”人才培养计划项目
作者(Author): 杨青青,王克林,陈洪松,田日昌,于一尊
参考文献(References):
- [1]J Zhou,D LCivco,J ASilander.Awavelet transformmeth-od to merge Landsat TMand SPOTpanchromatic data[J].International Journal of Remote Sensing,1998,19(4).
- [2]贾永红,李德仁,孙家炳,等.四种IHS变换用于SAR和TM影像融合的比较[J].遥感学报,1998,2(2).
- [3]Jim V.Multispectral Imagery Band Sharpening Study[J].Photogrammetric Engineering&Remote Sensing,1996,62(9).
- [4]A.R.Gillespie,A.B.Kahle,R.E.Walker.Colorenhancement of highly correlated images—II.Channelratio and‘chromaticity transformation techniques[J].Remote Sensing of Environment,1987,22.
- [5]李艳雯,杨英宝,程三胜.基于亮度平滑滤波调节(SFIM)的SPOT5影像融合[J].遥感信息,2007,(1).
- [6]王智钧,李德仁,等.基于小波理论的IKONOS卫星全色影像和多光谱影像的融合[J].测绘学报,2001,30(2).
- [7]刑帅,谭兵等.基于复数小波变换的遥感图像融合新算法[J].武汉大学学报,2007,32(1).
- [8]R.A.Schowengerdt.Reconstruction of multi-spatial,multi-spectral image data using spatial frequency content[J].Photogram.Eng.Remote Sens,1980,46(10).
- [9]李军,周月琴,李德仁.小波变换用于高分辨率全色影像与多光谱影像的融合研究[J].遥感学报,1999,3(2).
- [10]Yun Zhang,Gang Hong.An HIS and wavelet integratedapproach to improve pan sharpening visual quality of nat-ural colour IKONOS and QuickBird images[J].Infor-mation fusion,2005,(6).
- [11]Wen Dou,Yunhao Chen,Xiaobing Li,Daniel Z.sui.Ageneral framework for component substitution image fu-sion:an implementation using the fast image fusionmethod[J].Computers&Geosciences,2007,33.
- [12]J Nú?-ez,X Otazu,O Fors,etc.Multiresolution-basedimage fusion with additive wavelet decomposition[J].IEEE Transactions on Geoscience and Remote Sensing,1999,37(3).
- [13]费鲜芸,张志国,高祥伟.城市植被制图中SPOT5影像融合方法研究[J].测绘科学2007,32(4).
- [14]戴昌达,唐伶俐.遥感图像应用处理与分析[M].北京:清华大学出版社,2004:108-109.
- [15]Zhijun Wang,Djemel Ziou,Costas Armenakis,etc.AComparative Analysis of Image Fusion Methods[J].IEEE Transactions on Geo science and Remote Sensing,2005,43(6).
- [16]Gillespie A R,Kahle,A B,Walker,R E.Color En-hancement of Highly Correlated Images:II.Channel Ra-tio and‘Chromaticity Transformation Techniques[J].Remote Sensing of Environment,1987,22.
- [17]孙丹峰.IKONOS全色与多光谱数据融合方法的比较研究[J].遥感技术与应用,2002,17(1).