Standoff gas identification and quantification from turbulent stack plumes with an imaging Fourier-transform spectrometer

Pierre Tremblay; Simon Savary; Matthias Rolland; André Villemaire; Martin Chamberland; Vincent Farley; Louis Brault; Jean Giroux; Jean-Luc Allard; Éric Dupuis; Tiarles Padia

doi:10.1117/12.850127

23 April 2010 Standoff gas identification and quantification from turbulent stack plumes with an imaging Fourier-transform spectrometer

Pierre Tremblay, Simon Savary, Matthias Rolland, André Villemaire, Martin Chamberland, Vincent Farley, Louis Brault, Jean Giroux, Jean-Luc Allard, Éric Dupuis, Tiarles Padia

Author Affiliations +

Proceedings Volume 7673, Advanced Environmental, Chemical, and Biological Sensing Technologies VII; 76730H (2010) https://doi.org/10.1117/12.850127
Event: SPIE Defense, Security, and Sensing, 2010, Orlando, Florida, United States

Abstract

Benefiting from the rich amount of information provided by a hyperspectral imager such as an imaging Fourier-transform spectrometer, we developed a suite of gas quantification algorithms that were applied to identify the gas released by distant stacks, and to quantify their specific mass flow rates. The method successfully performs the gas quantification through a range of important radiometric and instrumental considerations. Interactions between the released gases and the fluctuating winds result in strong turbulences which are accounted for by a recently developed algorithm avoiding scene change artifacts, thus ensuring valid estimation of the spectral radiance emitted by the plume.

Citation Download Citation

Pierre Tremblay, Simon Savary, Matthias Rolland, André Villemaire, Martin Chamberland, Vincent Farley, Louis Brault, Jean Giroux, Jean-Luc Allard, Éric Dupuis, and Tiarles Padia "Standoff gas identification and quantification from turbulent stack plumes with an imaging Fourier-transform spectrometer", Proc. SPIE 7673, Advanced Environmental, Chemical, and Biological Sensing Technologies VII, 76730H (23 April 2010); https://doi.org/10.1117/12.850127

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