Infrared detection and analysis of vapor plumes using an airborne sensor

Mark J. Thomas; Paul E. Lewis; Robert T. Kroutil; Roger J. Combs; Gary W. Small; Randall W. Zywicki; Dale L. Stageberg; Charles T. Chaffin Jr.; Timothy L. Marshall

doi:10.1117/12.478784

2 August 2002 Infrared detection and analysis of vapor plumes using an airborne sensor

Mark J. Thomas, Paul E. Lewis, Robert T. Kroutil, Roger J. Combs, Gary W. Small, Randall W. Zywicki, Dale L. Stageberg, Charles T. Chaffin Jr., Timothy L. Marshall

Author Affiliations +

Proceedings Volume 4725, Algorithms and Technologies for Multispectral, Hyperspectral, and Ultraspectral Imagery VIII; (2002) https://doi.org/10.1117/12.478784
Event: AeroSense 2002, 2002, Orlando, FL, United States

Abstract

An airborne infrared (IR) line-scanner and a Fourier transform infrared (FT-IR) spectrometer operating in the 3- 5micrometers and 8-12micrometers spectral regions provide a rapid wide- area surveillance capability. The IR scene containing target vapors is mapped remotely with the wide fields of view (FOV) multi-spectral IR line-scanner using 14 bands. The narrow FOV FT-IR spectrometer permits remote verification of target vapor plume contents within the IR scene. The IR image and FT-IR interferogram analysis supply a near real-time detection that provides visual monitoring of potential downwind vapor hazards. This capability is demonstrated using the target vapor methanol. An active mono-static FT-IR configuration furnishes ground-truth monitoring for methanol released from an industrial stack and a nearby ground-level area. The airborne and ground-truth results demonstrate the usefulness of this approach in alerting first responders to potential downwind vapor hazards from an accidental release.

Citation Download Citation

Mark J. Thomas, Paul E. Lewis, Robert T. Kroutil, Roger J. Combs, Gary W. Small, Randall W. Zywicki, Dale L. Stageberg, Charles T. Chaffin Jr., and Timothy L. Marshall "Infrared detection and analysis of vapor plumes using an airborne sensor", Proc. SPIE 4725, Algorithms and Technologies for Multispectral, Hyperspectral, and Ultraspectral Imagery VIII, (2 August 2002); https://doi.org/10.1117/12.478784

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