基于知识与规则的红树林遥感信息提取

被引：15

作者：

张雪红

机构：

[1] 南京信息工程大学遥感学院

来源：

南京信息工程大学学报(自然科学版) | 2011年 / 3卷 / 04期

关键词：

红树林; 绿度; 湿度; 知识与规则; K-T变换;

D O I：

10.13878/j.cnki.jnuist.2011.04.005

中图分类号：

TP751 [图像处理方法];

学科分类号：

摘要：

针对难以将红树林同陆地植被,尤其是同水体与陆地植被混合像元有效识别的现象,结合TM影像提取了能有效反映红树林湿地特征的绿度指数和湿度指数,同其他常用的NDVI、TM3/TM5、TM5/TM4等指数相比:绿度指数和湿度指数更能有效地提高红树林同陆地植被,尤其是同水体与植被混合像元的可分性.采用知识与规则方法提取红树林遥感信息,与其他学者常采用的分类特征及分类方法相比,识别精度有明显提高,Kappa系数提高0.10,错分率降低16.1个百分点.

引用

页码：341 / 345

页数：5

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