LiDAR data filtering with GRASS GIS for the determination of digital terrain models

Antolín Sánchez, Roberto
Brovelli, Maria A.
In the last years, the use of every type of Digital Elevation Models has iimproved. The LiDAR (Light Detection and Ranging) technology, based on the scansion of the territory b airborne laser telemeters, allows the construction of digital Surface Models (DSM), in an easy way by a simple data interpolation ​
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