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Proceedings Paper

Simulated full-waveform lidar compared to Riegl VZ-400 terrestrial laser scans
Author(s): Angela M. Kim; Richard C. Olsen; Martin Béland
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Paper Abstract

A 3-D Monte Carlo ray-tracing simulation of LiDAR propagation models the reflection, transmission and ab- sorption interactions of laser energy with materials in a simulated scene. In this presentation, a model scene consisting of a single Victorian Boxwood (Pittosporum undulatum) tree is generated by the high-fidelity tree voxel model VoxLAD using high-spatial resolution point cloud data from a Riegl VZ-400 terrestrial laser scanner. The VoxLAD model uses terrestrial LiDAR scanner data to determine Leaf Area Density (LAD) measurements for small volume voxels (20 cm sides) of a single tree canopy. VoxLAD is also used in a non-traditional fashion in this case to generate a voxel model of wood density. Information from the VoxLAD model is used within the LiDAR simulation to determine the probability of LiDAR energy interacting with materials at a given voxel location. The LiDAR simulation is defined to replicate the scanning arrangement of the Riegl VZ-400; the resulting simulated full-waveform LiDAR signals compare favorably to those obtained with the Riegl VZ-400 terrestrial laser scanner.

Paper Details

Date Published: 13 May 2016
PDF: 14 pages
Proc. SPIE 9832, Laser Radar Technology and Applications XXI, 98320T (13 May 2016); doi: 10.1117/12.2223929
Show Author Affiliations
Angela M. Kim, Naval Postgraduate School (United States)
Richard C. Olsen, Naval Postgraduate School (United States)
Martin Béland, Univ. Laval (Canada)


Published in SPIE Proceedings Vol. 9832:
Laser Radar Technology and Applications XXI
Monte D. Turner; Gary W. Kamerman, Editor(s)

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