Advance Prediction Of Effects Of Atmosphere On Image Quality

I. Dinstein; H. Zoabi; N. S. Kopeika

doi:10.1117/12.942274

19 February 1988 Advance Prediction Of Effects Of Atmosphere On Image Quality

I. Dinstein, H. Zoabi, N. S. Kopeika

Proceedings Volume 0833, Airborne Reconnaissance XI; (1988) https://doi.org/10.1117/12.942274
Event: 31st Annual Technical Symposium on Optical and Optoelectronic Applied Sciences and Engineering, 1987, San Diego, CA, United States

Abstract

Using atmospheric modulation transfer function area (MTFA) as a single-'valued numerical criterion for image quality propagated through the atmosphere, a statistical study of atmospheric imaging data accumulated over a three year period has led to the determination of regression coefficients with which to quantitatively predict effects of windspeed, air temperature, and relative humidity on image quality propagated through the atmosphere as a function of wavelength over the 400-1000 nm wavelength region. Utilization of this procedure is quite simple. One simply plugs in expected values for windspeed, air temperature, and relative humidity ii the regression coefficient expression for MTFA. The larger the expected MTFA, the better the expected image quality. Two sets of regression coefficient data have been obtained, one each for desert and non-desert climates, corresponding to summer and winter data here. Preliminary experimentation over a different line-of-sight indicates the accuracy of the model is fairly reliable.

Citation Download Citation

I. Dinstein, H. Zoabi, and N. S. Kopeika "Advance Prediction Of Effects Of Atmosphere On Image Quality", Proc. SPIE 0833, Airborne Reconnaissance XI, (19 February 1988); https://doi.org/10.1117/12.942274

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KEYWORDS

Spatial frequencies

Image quality

Meteorology

Atmospheric propagation

Modulation transfer functions

Humidity

Atmospheric particles

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