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Proceedings Paper

Miniaturized hyperspectral imager calibration and UAV flight campaigns
Author(s): Heikki Saari; Ilkka Pölönen; Heikki Salo; Eija Honkavaara; Teemu Hakala; Christer Holmlund; Jussi Mäkynen; Rami Mannila; Tapani Antila; Altti Akujärvi
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Paper Abstract

VTT Technical Research Centre of Finland has developed Tunable Fabry-Perot Interferometer (FPI) based miniaturized hyperspectral imager which can be operated from light weight Unmanned Aerial Vehicles (UAV). The concept of the hyperspectral imager has been published in the SPIE Proc. 7474, 8174 and 8374. This instrument requires dedicated laboratory and on-board calibration procedures which are described. During summer 2012 extensive UAV Hyperspectral imaging campaigns in the wavelength range 400 - 900 nm at resolution range 10 - 40 nm @ FWHM were performed to study forest inventory, crop biomass and nitrogen distributions and environmental status of natural water applications. The instrument includes spectral band limiting filters which can be used for the on-board wavelength scale calibration by scanning the FPI pass band center wavelength through the low and high edge of the operational wavelength band. The procedure and results of the calibration tests will be presented. A short summary of the performed extensive UAV imaging campaign during summer 2012 will be presented.

Paper Details

Date Published: 24 October 2013
PDF: 12 pages
Proc. SPIE 8889, Sensors, Systems, and Next-Generation Satellites XVII, 88891O (24 October 2013); doi: 10.1117/12.2028972
Show Author Affiliations
Heikki Saari, VTT Technical Research Ctr. of Finland (Finland)
Ilkka Pölönen, Jyväskylä Univ. (Finland)
Heikki Salo, Jyväskylä Univ. (Finland)
Eija Honkavaara, Finnish Geodetic Institute (Finland)
Teemu Hakala, Finnish Geodetic Institute (Finland)
Christer Holmlund, VTT Technical Research Ctr. of Finland (Finland)
Jussi Mäkynen, VTT Technical Research Ctr. of Finland (Finland)
Rami Mannila, VTT Technical Research Ctr. of Finland (Finland)
Tapani Antila, VTT Technical Research Ctr. of Finland (Finland)
Altti Akujärvi, VTT Technical Research Ctr. of Finland (Finland)

Published in SPIE Proceedings Vol. 8889:
Sensors, Systems, and Next-Generation Satellites XVII
Roland Meynart; Steven P. Neeck; Haruhisa Shimoda, Editor(s)

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