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Proceedings Paper

Absolute radiometric calibration of the DAIS-7915 thermal channels using sub-pixel targets
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Paper Abstract

Utilization of sub-pixel targets for radiometric calibration of airborne and space-borne imaging sensors involves the uncertainty of their contribution to the pixel-integrated radiance. This contribution depends not only on the target area but also on an unknown location of the sub-pixel target within a sensor pixel. A technique is proposed to retrieve both the target radiance and its sub-pixel location from the target image, taking into account the effects of the sensor point spread function. The technique was used for in-flight calibration of the thermal channels of the airborne imaging spectrometer DAIS-7915.

Paper Details

Date Published: 27 October 1999
PDF: 12 pages
Proc. SPIE 3753, Imaging Spectrometry V, (27 October 1999);
Show Author Affiliations
Boris Zhukov, DLR (Germany)
Dieter Oertel, DLR (Germany)
Peter Strobl, DLR (Germany)
Mathias Kneubuehler, Univ. of Zurich (Switzerland)
Michael E. Schaepman, Univ. of Zurich (Switzerland)

Published in SPIE Proceedings Vol. 3753:
Imaging Spectrometry V
Michael R. Descour; Sylvia S. Shen, Editor(s)

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