Mr. John P. Dixon Profile

John P. Dixon

at Physical Sciences Inc

SPIE Involvement:

Author

Publications (9)

Proceedings Article | 31 May 2022 Presentation + Paper

Estimating chemical concentrations from compressed hyperspectral images

Eric Kehoe, Michael Kirby, Chris Peterson, Louis Scharf, Julia Dupuis, John Dixon, Martin Anguita, Stephanie Craig

Proceedings Volume 12094, 120940I (2022) https://doi.org/10.1117/12.2605288

KEYWORDS: Image compression, Chemical analysis, Wavelets, Hyperspectral imaging, Image filtering, Data modeling, Digital micromirror devices, Statistical analysis, Sensors, Image resolution, Multiresolution signal processing, Long wavelength infrared, Chemical detection

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Proceedings Article | 31 May 2022 Presentation + Paper

Compressive sensing hyperspectral imager in the LWIR for chemical plume detection

Stephanie Craig, Julia Dupuis, John Dixon, Martín Anguita, David Mansur, S. Chase Buchanan, Eric Kehoe, Chris Peterson, Louis Scharf, Michael Kirby

Proceedings Volume 12094, 120940K (2022) https://doi.org/10.1117/12.2618932

KEYWORDS: Sensors, Long wavelength infrared, Digital micromirror devices, Spatial resolution, Hyperspectral imaging, Image compression, Imaging systems

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Proceedings Article | 30 May 2022 Presentation + Paper

Multipath extinction detector for chemical sensing

Elizabeth Schundler, David Mansur, Michael Hilton, John Dixon, Stephanie Craig, Julia Dupuis

Proceedings Volume 12116, 121160R (2022) https://doi.org/10.1117/12.2622464

KEYWORDS: Sensors, Microbolometers, Toxic industrial chemicals, Chemical weapons

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Proceedings Article | 24 April 2020 Presentation + Paper

LWIR compressive sensing hyperspectral sensor for chemical plume imaging

Julia Dupuis, John Dixon, Elizabeth Schundler, S. Chase Buchanan, J. Rameau, David Mansur, Henry Kvinge, Elin Farnell, Chris Peterson, Michael Kirby

Proceedings Volume 11416, 1141606 (2020) https://doi.org/10.1117/12.2558637

KEYWORDS: Image compression, Sensors, Black bodies, Long wavelength infrared, Digital micromirror devices, Imaging spectroscopy, Hyperspectral imaging, Spectral resolution, Wavelets, Compressed sensing

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Proceedings Article | 21 April 2020 Paper

A data-driven approach to sampling matrix selection for compressive sensing

Elin Farnell, Henry Kvinge, John Dixon, Julia Dupuis, Michael Kirby, Chris Peterson, Elizabeth Schundler, Christian Smith

Proceedings Volume 11396, 1139603 (2020) https://doi.org/10.1117/12.2557161

KEYWORDS: Matrices, Compressed sensing, Chemical detection, Image compression, Reconstruction algorithms, Wavelets

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Proceedings Article | 23 May 2018 Presentation + Paper

Active standoff chemical identification detector

Jay Giblin, Julia Dupuis, John Dixon, Joel Hensley, David Mansur, William Marinelli

Proceedings Volume 10629, 1062919 (2018) https://doi.org/10.1117/12.2302718

KEYWORDS: Reflectivity, Particles, Solids, Sensors, Quantum cascade lasers, Data modeling, Liquids, Standoff detection, Chemical analysis, Detection and tracking algorithms

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Proceedings Article | 14 May 2018 Presentation + Paper

Advances in standoff surface contaminant detector platform: developmental test results

Julia Dupuis, Jay Giblin, John Dixon, Joel Hensley, David Mansur, William Marinelli

Proceedings Volume 10639, 1063926 (2018) https://doi.org/10.1117/12.2302903

KEYWORDS: Quantum cascade lasers, Sensors, Reflectivity, Solids, Liquids, Standoff detection, Receivers, Detector development

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Proceedings Article | 18 May 2017 Paper

Progress in standoff surface contaminant detector platform

Julia Dupuis, Jay Giblin, John Dixon, Joel Hensley, David Mansur, William Marinelli

Proceedings Volume 10194, 101942Q (2017) https://doi.org/10.1117/12.2262185

KEYWORDS: Standoff detection, Sensors, Quantum cascade lasers, Reflectance spectroscopy, Chemical weapons, Explosives detection, Toxic industrial chemicals, Reflection, Spectroscopy, Infrared detectors, Speckle, Quantum IR detectors, Infrared lasers, Long wavelength infrared, Infrared radiation

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Proceedings Article | 4 May 2017 Paper

Advanced LWIR hyperspectral sensor for on-the-move proximal detection of liquid/solid contaminants on surfaces

Jay Giblin, John Dixon, Julia Dupuis, Bogdan Cosofret, William Marinelli

Proceedings Volume 10183, 1018305 (2017) https://doi.org/10.1117/12.2263390

KEYWORDS: Long wavelength infrared, Detection and tracking algorithms, Sensors, Heterodyning, Spectroscopy, Infrared spectroscopy, Infrared radiation, Algorithm development, Particles, Reflectivity, Liquids, Photography, Solids

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Showing 5 of 9 publications

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