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有没有人知道在erdas里面怎样用形状指数去提取居民点信息? 我搞了好久也没提取出来，请大家指教，谢谢！<img src="images/post/smile/dvbbs/em12.gif" /><img src="images/p... 全文
2006-09-03 11:34 来自版块 - Erdas Imagine
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我在看文献的时候遇到一个“仿归一化指数”问题，（TM5-TM4）/（TM5+TM4），怎么利用它来提取特定的遥感信息，比如说居民点？在什么软件中可以作到，怎么做？谢谢！
2006-08-16 14:35 来自版块 - 遥感应用技术(RS)
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