Required processing:
The normalised Digital Surface Model results from the difference between the Digital Surface Model and the Digital Terrain Model.
Data requirements:
A Digital Surface Model and a Digital Terrain Model.
A normalised Digital Surface Model, result of the difference of the Surface and Terrain Models, highlights off-terrain objects.
Why using remote sensors?:
A normalised Digital Surface Model highlights objects relatively to the ground (buildings, trees, ...) or ground objects (flat areas, roads, ...). A single elevation threshold enables their detection.
Technical contact: