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Proceedings Paper

Surface Emissivity Determination Of Diffuse Objects In Natural Surroundings - SEFAB Technique
Author(s): L. S. Balfour; A. Ben-Shalom
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Paper Abstract

An important parameter in the analysis of thermal infrared signatures is the object surface emissivity. An in-situ determination of the emissivity of diffuse objects, both natural and artificial, in the field is most desirable. In this paper we present a technique that may be employed to determine emissivities in the infrared region using a commercial thermal imager. The Surface Emissivity For Ambient Background (SEFAB) technique uses two reference surfaces of known emissivities to determine the emissivity of the desired object. The two main advantages of the present technique are: 1) The camera calibration constant is not required and 2) The individual surface temperatures are not required provided they are the same for all the surfaces during the measurement.

Paper Details

Date Published: 5 July 1989
PDF: 7 pages
Proc. SPIE 1038, 6th Mtg in Israel on Optical Engineering, (5 July 1989); doi: 10.1117/12.951086
Show Author Affiliations
L. S. Balfour, Electro-Optics Research Center (Israel)
A. Ben-Shalom, Electro-Optics Research Center (Israel)

Published in SPIE Proceedings Vol. 1038:
6th Mtg in Israel on Optical Engineering
Rami Finkler; Joseph Shamir, Editor(s)

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