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基于主成分分析与Brovey变换的ETM+影像植被信息提取

, PP. 87-89

Keywords: 植被,遥感影像,融合,信息提取,Brovey变换,主成分分析

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Abstract:

在ETM+影像全色波段和多光谱数据融合时,Brovey变换是一种较好的融合方法,但是Brovey变换所利用的波段信息量少,并且在对融合后影像分类时常将存在阴影的植被覆盖区误判为水体。因此将主成分和归一化植被指数(NDVI)作为Brovey变换融合时的波段,实验结果显示融合后的影像更利于后期植被信息提取。

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