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10 August 1988 Derivation Of Transmittance In A Dust Environment Using Imaging Technology
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Abstract
Photopic transmittances within and through localized, inhomogeneous dust clouds were estimated by contrast transmittances derived from image processing of video recordings of dust scenes which included optical targets contrasted against the sky or terrain background. Comparison between the estimated contrast transmittances and actual transmittances measured through dust clouds by a transmissometer yielded correlation coefficients of up to 0.933. The contrast transmittances within the dust clouds were estimated from the ratios of contrast between adjacent targets, absolute estimates, and by the use of black and white targets. Comparison between these latter methods yielded correlation coefficients of up to 0.987.
© (1988) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Carlos McDonald, John W Stahoviak, Harold N Ballard, Robert Olsen, and Jagir S Randhawa "Derivation Of Transmittance In A Dust Environment Using Imaging Technology", Proc. SPIE 0926, Optical, Infrared, Millimeter Wave Propagation Engineering, (10 August 1988); https://doi.org/10.1117/12.945767
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