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DEM matching, and surface deformation detecting without control points considering terrain feature
Author(s): 
Pages: 193-195,226
Year: Issue:  31
Journal: Computer Engineering and Applications

Keyword:  三维匹配差异探测稳健估计地形特征;
Abstract: 泥石流爆发地区控制点布设和维护困难,使得精确探测该类区域泥石流造成的地表变化非常困难.基于规则格网DEM(Digital Elevation Model),分析泥石流灾害的特点,提出了顾及地形特征的无控制DEM匹配与差异探测方法.根据不同时相DEM数据,利用该方法成功探测出普歪沟泥石流爆发区的地表水土流失变化.
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