ENVISAT ASAR数据与CBERS-02数据的融合及应用初探
摘要
首次利用ENVISAT ASAR交叉极化模式数据与中巴地球资源卫星02星(CBERS-02)CCD数据进行融合,对融合后的图像进行分析和讨论。通过比较IHS变换融合、主成分分析融合和小波变换融合方法发现,采用IHS变换融合产生的融合图具有更好的目视判读效果,但是由于ASAR数据受到相干斑噪声的影响,在滤波去噪后,融合图的空间分辨率变低。另外,该融合图包含了地物的VV极化和HH极化后向散射特征,使地物结构形态、复介电常数和地物的光谱信息等重要的地物参数信息都包含在融合图中,增强了区别地物的能力,就农作物的目视解译和分类而言,该融合图精度得到了较大提高。
引文
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[3]Demargne L,Nezry E,Yakam-Simen F,et al.Use of SPOTand ra-dar data for forestry inventory in Sarawak,Malaysia[M]//Proceed-ings of the conference on data management and modelling using re-mote sensing and GIS for tropical forest land inventory.Jakarta,1998.
[4]王峰,荆燕,陈志军.运用Radarsat与ETM数据融合探测隐伏断裂[J].地震研究,2004,27(4):369-373.
[5]郭广猛,曹云刚,马龙.ENVISAT-ASAR数据处理介绍[J].遥感信息,2006(4):61-63.
[6]赵英时.遥感应用分析原理与方法[M].北京:科学出版社,2003.
[7]钱永兰,杨邦杰,雷廷武.数据融合及其在农情遥感监测中的应用和展望[J].农业工程学报,2004,20(4):286-290.
[8]Haydn R,Dalke G W,Henkel J.Application of the IHS color trans-form to the processing of multisensor data and image enhancement[C]//Proceeding,international symposium on remote sensing of aridand semi-arid land.Cairo,Egypt,1982:599-616.
[9]Chavez P S Jr,Sides S C,Anderson J A.Comparison of three differ-ent methods to merge multi-resolution and multi-spectral data:TM&SPOT-PAN[J].Photogramm Eng Remote Sensing,1991,57(3):295-303.
[10]Mallat S.A theory for multi-resolution signal decomposition:Thewavelet representation[J].IEEE Transactions on PAMI,1989,11(7):674-693.
[11]Yocky D A.Image merging and data fusion using the wavelet trans-form[J].Journal of Optical Society of American,1995,12(9):1843-1845.
[12]Garguet D B,Girel J,Chassery J M,et al.The use of multiresolu-tion analysis and wavelet transform for merging SPOT panchromaticand multispectral image data[J].Photogramm Eng Remote Sens-ing,1996,62(9):1057-1066.
[13]Moigne J L.The use of wavelet for remote sensing image registrationand fusion[C]//SPIE,Orlando,F L,USA.1996:535-541.
[14]Aloisi R,Grabit Y.Multispectral image resolution enhancement toimprove efficiency of spectral analysis algorithms[C]//SPIE,Orlan-do,F L,USA.1996:160-167.
[15]宋建社,郑永安,刘迎春.基于小波变换的SAR与可见光图像融合算法[J].计算机应用研究,2004(10):110-111.
[16]马龙,陈文波,戴模.ENVISAT的ASAR数据产品介绍[J].国土资源遥感,2005,63(1):70-71.
[17]Shao Y,Fan X T,Liu H,et al.Rice monitoring and production es-timation using multi-temporal RADARSAT[J].Remote Sensing ofEnvironment,2001,76:310-325.
[18]张萍萍,申双和,李秉柏,等.水稻极化散射特征分析及稻田分类方法研究[J].江苏农业科学,2006(1):148-152.
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