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73 HYPERSPECTRAL REMOTE SENSING OF CROP PROPERTIES WITH UNMANNED AERIAL VEHICLES Dragos Constantin 1 , Martin Rehak1, Yosef Akhtman 1 and Frank Liebisch 2 1 Institute of Environmental Engineering, École Polytechnique Fédérale de Lausanne (EPFL), Switzerland 2 Institute of Agricultural Sciences, Federal Institute of Technology Zürich (ETHZ), Switzerland Key words : hyperspectral camera, UAV, precision farming, agriculture Aerial hyperspectral remote sensing technologies provide effective methods for the exploration and study of the earth surface [1]. The recent progress in miniaturiza- tion of imaging and processing modules enables use of low-cost Unmanned Aerial Vehicles (UAV) as sensor carriers [2]. They offer a great potential for local area re- mote sensing applications, such as for agricultural, forestry, mining industry and hy- drological applications. For agriculture in particular they will allow non-destructive detection of plant biophysical and chemical properties with a high spatial and tempo- ral resolution relevant for precision farming and for agricultural research. We present a case study conducted over the Field Phenotyping Platform (FIP) at the ETH Zürich research station for plant sciences at Eschikon, Lindau [3] depicted in Figure 1, as collaboration between EPFL TOPO laboratory, Gamaya company and the ETHZ Crop Science Laboratory. The aim of this case study was the determination of crop properties and phenotypes as related to spectral characteristics by using a novel Hyperspectral Imaging (HSI) snapshot camera developed by Gamaya [4]. Figure 1. Field phenotyping platform (FIP) at the ETH Zürich research station for plant sciences at Eschikon, Lindau.

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