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Proceedings Paper

Thermal imaging atmospheric effects amd image restoration
Author(s): Dan Sadot; Norman S. Kopeika
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Paper Abstract

In this paper, a general and inclusive framework for understanding and characterizing the atmospheric effects in the thermal infrared in imaging systems is presented. This includes separation of the atmospheric distortions to their main two ingredients: optical turbulence, and scattering and absorption by atmospheric particulates. A basic and correct understanding of those effects enables the development of prediction models for the atmospheric turbulence and aerosol MTFs. Here, both models are implemented for real-time thermal image restoration, with the prior knowledge of standard meteorological parameters, and specifications of the imaging system. Examples of such restorations are presented and the uniqueness of the restoration method is discussed with the inclusion of atmospheric degradation of the received image with and without subsequent image restoration. The most important conclusion is that knowledge of the expected atmospheric MTF is crucial for the system designer.

Paper Details

Date Published: 14 September 1994
PDF: 20 pages
Proc. SPIE 2268, Infrared Spaceborne Remote Sensing II, (14 September 1994); doi: 10.1117/12.185847
Show Author Affiliations
Dan Sadot, Ben-Gurion Univ. of the Negev (Israel)
Norman S. Kopeika, Ben-Gurion Univ. of the Negev (Israel)

Published in SPIE Proceedings Vol. 2268:
Infrared Spaceborne Remote Sensing II
Marija S. Scholl, Editor(s)

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