Terrain is considered one of the most essential natural geographic features and is a key
factor in physical processes. Geomorphometry and terrain analyses have provided a wealth …

This paper reviews LiDAR ground filtering algorithms used in the process of creating Digital
Elevation Models. We discuss critical issues for the development and application of LiDAR …

Digital terrain model (DTM) generation is the fundamental application of airborne Lidar data.
In past decades, a large body of studies has been conducted to present and experiment a …

With the launch of Sentinel-1 in 2014, a new era of openly accessible spaceborne radar
imagery was begun, and its potential has been demonstrated throughout all fields of …

Over the past years, several filters have been developed to extract bare-Earth points from
point clouds. ISPRS Working Group III/3 conducted a test to determine the performance of …

Airborne LiDAR is one of the most effective and reliable means of terrain data collection.
Using LiDAR data for digital elevation model (DEM) generation is becoming a standard …

Unmanned aerial vehicles (UAV s) provide a new research tool to obtain high spatial and
temporal resolution imagery at a reduced cost. Rapid advances in miniature sensor …

This paper presents a solution framework for the segmentation and reconstruction of
polyhedral building roofs from aerial LIght Detection And Ranging (lidar) point clouds. The …

Automatic ground filtering for Light Detection And Ranging (LIDAR) data is a critical process
for Digital Terrain Model (DTM) and three-dimensional urban model generation. Although …

This paper addresses the separation of ground points from raw lidar data for bald ground
digital elevation model (DEM) generation in urban areas. This task is considered to be a la …