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论述了多源遥感影像数据融合现状、层次类别、融合原理及融合的算法,并以新疆策勒绿洲-荒漠交错带的Landsat TM与SPOT-HRV为源数据进行基于像元级融合.实验中借助遥感图像处理软件PCI分别进行IHS、PCA和Brovey3种变换.得出结果并对3种融合方法进行了分析比较.
This paper discusses the current situation of data fusion of multi-source remote sensing data, the hierarchical classification, the fusion principle and the algorithm of fusion, and based on the pixel-level fusion with the Landsat TM and SPOT-HRV data from the oasis-desert ecotone in Xinjiang Cele as an example Remote sensing image processing software PCI respectively IHS, PCA and Brovey 3 kinds of transformation.Finally, the results of three fusion methods were analyzed and compared.