10 October 2014 UAV-based hyperspectral monitoring of small freshwater area
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Abstract
Recent development in compact, lightweight hyperspectral imagers have enabled UAV-based remote sensing with reasonable costs. We used small hyperspectral imager based on Fabry-Perot interferometer for monitoring small freshwater area in southern Finland. In this study we shortly describe the utilized technology and the field studies performed. We explain processing pipeline for gathered spectral data and introduce target detection-based algorithm for estimating levels of algae, aquatic chlorophyll and turbidity in freshwater. Certain challenges we faced are pointed out.
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I. Pölönen, I. Pölönen, H.-H. Puupponen, H.-H. Puupponen, Eija Honkavaara, Eija Honkavaara, A. Lindfors, A. Lindfors, H. Saari, H. Saari, L. Markelin, L. Markelin, T. Hakala, T. Hakala, K. Nurminen, K. Nurminen, } "UAV-based hyperspectral monitoring of small freshwater area", Proc. SPIE 9239, Remote Sensing for Agriculture, Ecosystems, and Hydrology XVI, 923912 (10 October 2014); doi: 10.1117/12.2067422; https://doi.org/10.1117/12.2067422
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