Correlation between images in the long-wave infrared and short-wave infrared of natural ground terrain

Eyal Agassi; Kalman Wilner; Nissim Ben-Yosef

doi:10.1117/12.49073

1 April 1991 Correlation between images in the long-wave infrared and short-wave infrared of natural ground terrain

Eyal Agassi, Kalman Wilner, Nissim Ben-Yosef

Proceedings Volume 1442, 7th Mtg in Israel on Optical Engineering; (1991) https://doi.org/10.1117/12.49073
Event: 7th Meeting of Optical Engineering in Israel, 1990, Tel-Aviv, Israel

Abstract

The statistical and spatial properties of infrared images of ground terrain in the LWIR band were studied extensively, and some generalised models were developed. In this paper we show that some of these models can applied also to the SWIR band. The experimental results, combined with simulation results, demonstrate that there is not any significant difference in the radiative variances of ground terrain images in the object plane, between the two band. In the image plane the results are not compatible with the above stipulations. This dicrepancy is caused bythe differences in signal, atmospheric transmission and system response between the two spectral bands. Thus7 if these effects are not minimized and taken into account, the image obtained will represent reality with a low contrast image.

Citation Download Citation

Eyal Agassi, Kalman Wilner, and Nissim Ben-Yosef "Correlation between images in the long-wave infrared and short-wave infrared of natural ground terrain", Proc. SPIE 1442, 7th Mtg in Israel on Optical Engineering, (1 April 1991); https://doi.org/10.1117/12.49073

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KEYWORDS

Short wave infrared radiation

Long wavelength infrared

Infrared imaging

Infrared radiation

Thermography

Optical engineering

Radiometry

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