5 October 2011 Categorisation of full waveform data provided by laser scanning devices
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Abstract
In 2004, a laser scanner device for commercial airborne laser scanning applications, the RIEGL LMS-Q560, was introduced to the market, making use of a radical alternative approach to the traditional analogue signal detection and processing schemes found in LIDAR instruments so far: digitizing the echo signals received by the instrument for every laser pulse and analysing these echo signals off-line in a so-called full waveform analysis in order to retrieve almost all information contained in the echo signal using transparent algorithms adaptable to specific applications. In the field of laser scanning the somewhat unspecific term "full waveform data" has since been established. We attempt a categorisation of the different types of the full waveform data found in the market. We discuss the challenges in echo digitization and waveform analysis from an instrument designer's point of view and we will address the benefits to be gained by using this technique, especially with respect to the so-called multi-target capability of pulsed time-of-flight LIDAR instruments.
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Andreas Ullrich, Andreas Ullrich, Martin Pfennigbauer, Martin Pfennigbauer, } "Categorisation of full waveform data provided by laser scanning devices", Proc. SPIE 8186, Electro-Optical Remote Sensing, Photonic Technologies, and Applications V, 818609 (5 October 2011); doi: 10.1117/12.898490; https://doi.org/10.1117/12.898490
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