In this paper the methods and experiments for applying the digital terrain model(DTM) to improve the classification accuracy are introduced.
本文着重介绍在遥感影象分类中应用数字地面模型（DTM）改正地物反射光谱中地形影响的方法和试验。
Image matching is the key stage for digital Terrain Model (DTM) automatical aquisition using with digital images.
利用数字影像自动提取数字地形模型(dtm)的关键是影像匹配。
A method is presented to implement real-time 3d road animation coupled with road design data and digital terrain model (DTM).
研究了一种用数字地面模型和公路设计数据实现实时三维动画的方法。
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