Early stages of LiDAR data processing.
The first processing step of Light Detection and Ranging (LiDAR) data is the orientation of the acquired point cloud. This applies to the terrestrial as well as to the airborne case. In the terrestrial application, registration, that is alignment to a common reference frame, must be distinguished from geo-referencing. A reference to a geodetic coordinate system is not always needed in terrestrial applications, as sometimes a local coordinate system is sufficient. Special attention is paid to registration approaches that require neither markers nor additional orientation sensors. In the airborne case, a simultaneous orientation and determination of calibration parameters on the job is becoming standard. In the airborne case, the classification into ground points (or pixels for elevation images) and off-terrain is also standard procedure and necessary for almost all applications. © 2008 Taylor & Francis Group.
|Title:||Early stages of LiDAR data processing|
|Keywords:||ALS, DTM, Filtering, Geo-referencing, LiDAR, Orientation, Point cloud, Registration, TLS|
|UCL classification:||UCL > School of BEAMS > Faculty of Engineering Science
UCL > School of BEAMS > Faculty of Engineering Science > Civil, Environmental and Geomatic Engineering
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