16 December 2013 Cramer-Rao bounds for long-wave infrared gaseous plume quantification
Steven E. Golowich, Dimitris G. Manolakis
Author Affiliations +
Abstract
The central parameter in the quantification of chemical vapor plumes via remote sensing is the mean concentration-path length (CL) product, which can be combined with scene geometry information to provide estimates of the absolute gas quantity present. We derive Cramer-Rao lower bounds on the variance of an unbiased estimator of CL in concert with other parameters of a nonlinear radiance model. These bounds offer a guide to feasibility of CL estimation that is not dependent on any given algorithm. In addition, the derivation of the bounds yields great insight into the physical and phenomenological mechanisms that control plume quantification, which we illustrate with examples representing a variety of experimental scenarios.
© 2014 Society of Photo-Optical Instrumentation Engineers (SPIE) 0091-3286/2014/$25.00 © 2014 SPIE
Steven E. Golowich and Dimitris G. Manolakis "Cramer-Rao bounds for long-wave infrared gaseous plume quantification," Optical Engineering 53(2), 021109 (16 December 2013). https://doi.org/10.1117/1.OE.53.2.021109
Published: 16 December 2013
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CITATIONS
Cited by 6 scholarly publications.
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KEYWORDS
Sensors

Long wavelength infrared

Black bodies

Infrared radiation

Chromium

Optical engineering

Solids

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