An analysis was performed of the method and characteristics of SPOT stereopair for DEM generation and some other methods for underlying surface information extraction currently used in engineering.
分析了利用SPOT卫星影像提取下垫面信息的现状，包括工程实践中通过SPOT立体像对恢复DEM的方法及其特点以及其他下垫面信息的提取方法及其特点；
An analysis was performed of the method and characteristics of SPOT stereopair for DEM generation and some other methods for underlying surface information extraction currently used in engineering.
分析了利用SPOT卫星影像提取下垫面信息的现状，包括工程实践中通过SPOT立体像对恢复DEM的方法及其特点以及其他下垫面信息的提取方法及其特点；
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