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Proceedings Paper

Multi- and hyperspectral UAV imaging system for forest and agriculture applications
Author(s): Jussi Mäkynen; Heikki Saari; Christer Holmlund; Rami Mannila; Tapani Antila
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Paper Abstract

VTT Technical Research Centre of Finland has developed a Fabry-Perot Interferometer (FPI) based hyperspectral imager compatible with light weight UAV (Unmanned Aerial Vehicle) platforms (SPIE Proc. 74741, 8186B2). The FPI based hyperspectral imager was used in a UAV imaging campaign for forest and agriculture tests during the summer 2011 (SPIE Proc. 81743). During these tests high spatial resolution Color-Infrared (CIR) images and hyperspectral images were recorded on separate flights. The spectral bands of the CIR camera were 500 - 580 nm for the green band, 580 - 700 nm for the red band and 700 - 1000 nm for the near infrared band. For the summer 2012 flight campaign a new hyperspectral imager is currently being developed. A custom made CIR camera will also be used. The system which includes both the high spatial resolution Color-Infrared camera and a light weight hyperspectral imager can provide all necessary data with just one UAV flight over the target area. The new UAV imaging system contains a 4 Megapixel CIR camera which is used for the generation of the digital surface models and CIR mosaics. The hyperspectral data can be recorded in the wavelength range 500 - 900 nm at a resolution of 10 - 30 nm at FWHM. The resolution can be selected from approximate values of 10, 15, 20 or 30 nm at FWHM.

Paper Details

Date Published: 17 May 2012
PDF: 9 pages
Proc. SPIE 8374, Next-Generation Spectroscopic Technologies V, 837409 (17 May 2012); doi: 10.1117/12.918571
Show Author Affiliations
Jussi Mäkynen, VTT Technical Research Ctr. of Finland (Finland)
Heikki Saari, VTT Technical Research Ctr. of Finland (Finland)
Christer Holmlund, 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)

Published in SPIE Proceedings Vol. 8374:
Next-Generation Spectroscopic Technologies V
Mark A. Druy; Richard A. Crocombe, Editor(s)

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