徐涵秋. 一种快速提取不透水面的新型遥感指数[J]. 武汉大学学报 ( 信息科学版), 2008, 33(11): 1150-1153.
引用本文: 徐涵秋. 一种快速提取不透水面的新型遥感指数[J]. 武汉大学学报 ( 信息科学版), 2008, 33(11): 1150-1153.
shu
XU Hanqiu. A New Remote Sensing Index for Fastly Extracting Impervious Surface Information[J]. Geomatics and Information Science of Wuhan University, 2008, 33(11): 1150-1153.
Citation: XU Hanqiu. A New Remote Sensing Index for Fastly Extracting Impervious Surface Information[J]. Geomatics and Information Science of Wuhan University, 2008, 33(11): 1150-1153.
shu

一种快速提取不透水面的新型遥感指数

A New Remote Sensing Index for Fastly Extracting Impervious Surface Information

    摘要
  • 摘要: 首次采用复合波段的形式创建了归一化差值不透水面指数(normalized difference impervious surfaceindex,NDISI)。它可以用于大区域范围内快速、自动地提取不透水面信息。通过Landsat ETM+和ASTER两种影像的实验证明,新的指数能够有效地增强不透水面信息,并具有较高的提取精度。

     

    Abstract: Based on the spectral characteristics of the impervious materials,a new index,normalized difference impervious surface index(NDISI),for enhancing and extracting ISA using a band combination method,is put forward.The applications of the index in landsat and ASTER images show that the new index can efficiently enhance ISA while suppress background noise.It can be used in a fast extraction of ISA in a large region.

     

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