Title: Design and Evaluation of a Full-Wave Surface and Bottom-Detection Algorithm for LiDAR Bathymetry of Very Shallow Waters
Authors: Schwarz, Roland 
Mandlburger, Gottfried 
Pfennigbauer, Martin 
Pfeifer, Norbert 
Category: Original Research Article
Issue Date: 2019
Citation: 
Schwarz, R., Mandlburger, G., Pfennigbauer, M., & Pfeifer, N. (2019). Design and Evaluation of a Full-Wave Surface and Bottom-Detection Algorithm for LiDAR Bathymetry of Very Shallow Waters. ISPRS Journal of Photogrammetry and Remote Sensing, 150, 1–10. https://doi.org/10.34726/1421
Journal: ISPRS Journal of Photogrammetry and Remote Sensing 
ISSN: 0924-2716
Abstract: 
Airborne Laser Bathymetry (ALB) is an attractive technology for the measurement of shallow water bodies because of the high
acquisition rate and high point densities that can be achieved. Of special interest is the application of ALB in non-navigable
areas where the only alternatives are conventional terrestrial surveying by wading with a pole, multi-media photogrammetry, or
spectrally based depth retrieval. The challenge for laser based approaches in such very shallow waters (< 2 m) is the difficulty
of discriminating between echoes from the surface and the bottom. This work presents an algorithm for the detection of surface,
volume, and bottom (SVB) designed to meet this challenge while requiring only a single wavelength (532 nm) sensor. The accuracy
of the algorithm is cross validated against reference measurements obtained from terrestrial survey with a total station and shows
negligible bias and virtually no depth dependence for the experimental dataset.
Keywords: LiDAR; River; Bathymetry; Shallow Water; Full Waveform
DOI: 10.1016/j.isprsjprs.2019.02.002
DOI: 10.34726/1421
Organisation: E120-07 - Forschungsbereich Photogrammetrie 
License: CC BY-NC-ND 4.0 CC BY-NC-ND 4.0
Publication Type: Article
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