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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 25, Iss. 15 — Aug. 1, 1986
  • pp: 2563–2570

Correction of thermal imagery for atmospheric effects using aircraft measurement and atmospheric modeling techniques

Arthur E. Byrnes and John R. Schott  »View Author Affiliations


Applied Optics, Vol. 25, Issue 15, pp. 2563-2570 (1986)
http://dx.doi.org/10.1364/AO.25.002563


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Abstract

Airborne measurements of atmospheric-path transmission and atmospheric-path (upwelled) radiance in the 8–14-μm band were obtained by applying a multiple altitude and a dual-view angle calibration technique to thermal IR line scanner data. A spectrally corrected lowtran code was used to generate path transmission and upwelled radiance values corresponding to the empirical measurements. Using lowtran and the multiple-altitude method, calibration of thermograms to account for atmospheric effects yields computed surface temperatures within 0.7°C of concurrent kinetic temperature readings. The angular calibration method results in similar computed surface temperature errors for 304.8-m (1000-ft) altitude data and increasing by 1.2°C/304.8-m up to a 1828.8-m (6000-ft) altitude. This paper contains results of a comparative analysis of these approaches for atmospheric calibration.

© 1986 Optical Society of America

History
Original Manuscript: October 22, 1984
Published: August 1, 1986

Citation
Arthur E. Byrnes and John R. Schott, "Correction of thermal imagery for atmospheric effects using aircraft measurement and atmospheric modeling techniques," Appl. Opt. 25, 2563-2570 (1986)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-25-15-2563

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