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Proceedings Paper

Effects of altitude, geometry, camera characteristics, and atmosphere on digital image data
Author(s): Gerald J. Kinn; Michael J. Duggin
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Paper Abstract

We describe here work which has been performed to calibrate digital cameras for band-dependent fall-off. We also report studies of the effects of altitude on digital camera data due to change in the size and content of the ground instantaneous field of view (GIFOV), and due to the changing atmospheric path with altitude. We report measurements of calibration targets, and some of trees and crops. We discuss the variation of signal with view geometry and field angle. We show that correction for the band-dependent lens fall-off improves the appearance of images, and the uniformity of derived vegetation indices across images. We report the on the impact of cloud shadow on vegetation index, and on the implications for flying height.

Paper Details

Date Published: 7 December 1999
PDF: 10 pages
Proc. SPIE 3751, Airborne Reconnaissance XXIII, (7 December 1999); doi: 10.1117/12.372643
Show Author Affiliations
Gerald J. Kinn, The Analytical Sciences Corp. (United States)
Michael J. Duggin, SUNY/Syracuse and The Analytical Sciences Corp. (United States)

Published in SPIE Proceedings Vol. 3751:
Airborne Reconnaissance XXIII
Wallace G. Fishell, Editor(s)

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