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http://dx.doi.org/10.7780/kjrs.2010.26.1.9

Waveform Simulation of Full-Waveform LIDAR  

Kim, Seong-Joon (Department of Geoinformatics, The University of Seoul)
Lee, Im-Pyeong (Department of Geoinformatics, The University of Seoul)
Publication Information
Korean Journal of Remote Sensing / v.26, no.1, 2010 , pp. 9-20 More about this Journal
Abstract
The LIDAR data can be efficiently utilized for automatic reconstruction of 3D models of objects on the terrain and the terrain itself. In this paper, we attempted to generate simulated waveforms of FW (Full-Waveform) LIDAR (LIght Detection And Ranging). We performed the geometric modeling of the sensor and objects, and the radiometric modeling of the waveform intensity. First, we compute the origins and directions of the sub-beams by considering the divergence effects of a laser beam. We then searched for the locations at which the sub-beams intersected with the objects, such as ground, buildings and trees. Finally, we generate the individual waveforms of the reflected sub-beams and the waveform of the entire beam by summing the individual ones. With the experimental results, we confirmed the waveforms were reasonably generated, showing the characteristics of the surfaces the beam interacted with.
Keywords
LIDAR; Simulation; Sensor Modeling; Geometric Modeling; Radiometric Modeling; Sub-Beam; Tree Model;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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