The surface matching for change detection without control points is inherently very difficult problem, and has potential application for multi-temporal DEM analyses.
不借助控制点匹配表面来探测表面差异是一个非常困难的问题，在多时相dem分析中具有非常广阔的应用前景。
This paper presents a spatial analysis method based on multi-temporal DEM elevation changes and DOM images changes and gives a qualitative and quantitative analysis of the terrain change.
提出了多时相dem的高程变化与DOM影像变化分析协同的空间分析方法，对地表变迁进行了定性与定量的分析。
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