Performance limits of LWIR gaseous plume quantification

Steven E. Golowich; Dimitris G. Manolakis

doi:10.1117/12.884360

20 May 2011 Performance limits of LWIR gaseous plume quantification

Steven E. Golowich, Dimitris G. Manolakis

Proceedings Volume 8048, Algorithms and Technologies for Multispectral, Hyperspectral, and Ultraspectral Imagery XVII; 80481F (2011) https://doi.org/10.1117/12.884360
Event: SPIE Defense, Security, and Sensing, 2011, Orlando, Florida, United States

Abstract

The central parameter in the quantification of chemical vapor plumes via remote sensing is the mean concentrationpath length (CL) product, which can lead to estimates of the absolute gas quantity present. The goal of this paper is to derive Cramer-Rao lower bounds on the variance of an unbiased estimator of CL in concert with other parameters of a general non-linear 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.

Citation Download Citation

Steven E. Golowich and Dimitris G. Manolakis "Performance limits of LWIR gaseous plume quantification", Proc. SPIE 8048, Algorithms and Technologies for Multispectral, Hyperspectral, and Ultraspectral Imagery XVII, 80481F (20 May 2011); https://doi.org/10.1117/12.884360

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