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16 October 1998 Fusion of hyperspectral (DAIS 7915), wide-angle (WAAC),and SAR (E- SAR) data acquistion methods: the MultiSwiss '97 campaign
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Abstract
A multisensor airborne campaign is carried out in Switzerland in summer 1997. The campaign did not only involve a suite of different sensors but also extensive ground supporting measurements. Amongst the sensor that acquired data over a predefined set of three standard test sites were the hyperspectral imagers DAIS 7915 and CASI, a wide angle airborne camera (WAAC) and a SAR (E-SAR) system as well as an imaging laserscanner. On the ground, geolocation is performed with differential GPS systems and a number of georeferenced ground control points. An active navigation system for the aircraft is used for accurate flight path determination in order to support single- and multi-pass interferometric flights. The thermal ground references consist of a number of targets in the field to verify the thermal performance of the DAIS. Radiometric validation on the ground involves spectroradiometric measurements of a number of selected reference targets, measurements of global flux and radiant temperature, as well as sunphotometer measurements. Conventional field mapping completes the full documentation of the three test sites. The generation of digital surface models using the stereo approach of the WAAC camera and the laserscanner is a goal to support the georeferencing of the different acquired image data. Finally all data are projected onto a common reference system and can be used for further analysis.
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Michael E. Schaepman, Mathias Kneubuehler, Erich H. Meier, Andreas A. Mueller, Peter Strobl, Ralf Reulke, and Ralf Horn "Fusion of hyperspectral (DAIS 7915), wide-angle (WAAC),and SAR (E- SAR) data acquistion methods: the MultiSwiss '97 campaign", Proc. SPIE 3438, Imaging Spectrometry IV, (16 October 1998); https://doi.org/10.1117/12.328125
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