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LandsatTM与HJCCD影像植被指数的交互比较

DOI: 10.6046/gtzyyg.2015.01.14, PP. 87-91

Keywords: 环境与灾害监测预报小卫星,TM,植被指数,交互比较

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Abstract:

为了论证LandsatTM与HJCCD影像植被指数间的相关关系,首先将多对同日过境的环境与灾害监测预报小卫星(HJ1A/1B)CCD1/CCD2影像及LandsatTM影像的灰度值转换成表观反射率,然后针对不同的土地利用类型影像,通过回归分析建立二者归一化植被指数(normalizeddifferencevegetationindex,NDVI)之间的定量关系,计算二者的转换方程,分析二者间的差异。结果表明,HJCCD及LandsatTM影像的植被指数之间具有显著的线性正相关关系,转换方程的转换精度较高。

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