Dr. William L. Smith Profile

Dr. William L. Smith

Senior Scientist at NASA Langley Research Ctr

SPIE Involvement:

Author

Publications (17)

Proceedings Article | 3 October 2024 Presentation + Paper

A deep neural network for achieving spectrally consistent and seamless infrared radiance measurements across geostationary satellite domains

Benjamin Scarino, David Doelling, William Smith, Conor Haney, Rajendra Bhatt, Arun Gopalan, Prathana Khakurel

Proceedings Volume 13143, 131430J (2024) https://doi.org/10.1117/12.3032494

KEYWORDS: Clouds, Infrared imaging, Satellites, Neural networks, Calibration, Infrared radiation, Discontinuities, Homogenization

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Proceedings Article | 1 August 2021 Presentation + Paper

Improving the CERES SYN cloud and flux products by identifying GOES-17 scan anomalies using a convolutional neural network

Benjamin Scarino, David Doelling, Konstantin Khlopenkov, William Smith, Michele Nordeen

Proceedings Volume 11829, 1182904 (2021) https://doi.org/10.1117/12.2594637

KEYWORDS: Clouds, Image processing, Satellites, Satellite imaging, Inspection, Earth observing sensors, Imaging systems, Visualization, Convolutional neural networks, Detection and tracking algorithms

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SPIE Journal Paper | 8 July 2021 Open Access

Extrapolating shortwave geostationary satellite imagery of clouds into nighttime using longwave observations

Allyson Rugg, Julie Haggerty, Daniel Adriaansen, William Smith

JARS, Vol. 15, Issue 03, 038501, (July 2021) https://doi.org/10.1117/12.10.1117/1.JRS.15.038501

KEYWORDS: Clouds, Reflectivity, Satellites, Satellite imaging, Earth observing sensors, Shortwaves, Sun, Error analysis, Algorithm development, Imaging systems

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Proceedings Article | 9 October 2019 Open Access

Advances in neural network detection and retrieval of multilayer clouds for CERES using multispectral satellite data

Patrick Minnis, Sunny Sun-Mack, William Smith, Gang Hong, Yan Chen

Proceedings Volume 11152, 1115202 (2019) https://doi.org/10.1117/12.2532931

KEYWORDS: Clouds, MODIS, Satellites, Neural networks, Imaging systems, Artificial neural networks

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Proceedings Article | 9 October 2019 Paper

Fusion of surface ceilometer data and satellite cloud retrievals in 2D mesh interpolating model with clustering

Konstantin Khlopenkov, Douglas Spangenberg, William Smith

Proceedings Volume 11152, 111521F (2019) https://doi.org/10.1117/12.2533370

KEYWORDS: Clouds, Satellites, Data modeling, Data fusion, Earth observing sensors, Spatial resolution, Satellite imaging

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Proceedings Article | 13 October 2017 Paper

Detection of single and multilayer clouds in an artificial neural network approach

Sunny Sun-Mack, Patrick Minnis, William Smith, Gang Hong, Yan Chen

Proceedings Volume 10424, 1042408 (2017) https://doi.org/10.1117/12.2277397

KEYWORDS: Clouds, MODIS, Neurons, Multilayers, Artificial neural networks, Imaging systems, Liquids, Infrared radiation, Neural networks

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Proceedings Article | 19 September 2013 Paper

STORM: sounding and tracking observatory for regional meteorology to launch in 2016

Gail Bingham, Scott Jensen, John Elwell, Joel Cardon, David Crain, Hung-Lung (Allen) Huang, William Smith, Hank Revercomb, Ron Huppi

Proceedings Volume 8867, 88670X (2013) https://doi.org/10.1117/12.2030601

KEYWORDS: Satellites, Sensors, Infrared radiation, Imaging systems, Infrared imaging, Observatories, Fourier transforms, Satellite imaging, Satellite communications, Space operations

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Proceedings Article | 26 October 2011 Paper

Ultraspectral sounding retrieval error budget and estimation

Daniel Zhou, Allen Larar, Xu Liu, William Smith, Larrabee Strow, Ping Yang

Proceedings Volume 8177, 81770C (2011) https://doi.org/10.1117/12.897559

KEYWORDS: Error analysis, Satellites, Clouds, Infrared radiation, Atmospheric modeling, Calibration, Statistical analysis, Data modeling, Temperature metrology, Microelectromechanical systems

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Proceedings Article | 13 October 2008 Paper

Near-real time cloud retrievals from operational and research meteorological satellites

Patrick Minnis, Louis Nguyen, Rabindra Palikonda, Patrick Heck, Douglas Spangenberg, David Doelling, J. Kirk Ayers, William Smith, Mandana Khaiyer, Qing Trepte, Lance Avey, Fu-Lung Chang, Chris Yost, Thad Chee, Sun-Mack Szedung

Proceedings Volume 7107, 710703 (2008) https://doi.org/10.1117/12.800344

KEYWORDS: Clouds, Satellites, MODIS, Calibration, Satellite imaging, Imaging systems, Earth observing sensors, Infrared imaging, Meteorological satellites, Reflectivity

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Proceedings Article | 8 December 2006 Paper

NASA-Langley web-based operational real-time cloud retrieval products from geostationary satellites

Rabindra Palikonda, P. Minnis, D. Spangenberg, M. Khaiyer, M. Nordeen, J. Ayers, L. Nguyen, Y. Yi, P. Chan, Q. Trepte, F.-L. Chang, W. Smith

Proceedings Volume 6408, 64081P (2006) https://doi.org/10.1117/12.700423

KEYWORDS: Clouds, Satellites, Satellite imaging, Data modeling, Earth observing sensors, Databases, Infrared radiation, Analytical research, Environmental sensing, Reflectivity

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Proceedings Article | 1 November 2005 Paper

The Italian phase of the EAQUATE measurement campaign

Vincenzo Cuomo, Aldo Amodeo, Paolo Antonelli, Antonella Boselli, Alessio Bozzo, Carmela Cornacchia, Giuseppe D'Amico, Maurizio Di Bisceglie, Francesco Esposito, Paolo Di Girolamo, Giuseppe Grieco, Allen Larar, Luigi Leone, Fabio Madonna, Tiziano Maestri, Rocco Marchese, Guido Masiello, Giuseppe Meoli, Lucia Mona, Marco Pandolfi, Gelsomina Pappalardo, Giulia Pavese, Gianluca Pisani, Rosa Restieri, Rolando Rizzi, Filomena Romano, Enrico Rossi, Federica Rossi, Domenico Sabatino, Carmine Serio, William Smith, Nicola Spinelli, Donato Summa, Giulio Todini, Domenico Villacci, Xuan Wang, Daniel Zhou

Proceedings Volume 5979, 59791E (2005) https://doi.org/10.1117/12.628279

KEYWORDS: LIDAR, Clouds, Backscatter, Microwave radiation, Temperature metrology, Radiometry, Interferometers, Aerosols, Raman spectroscopy, Sensors

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Proceedings Article | 20 January 2005 Paper

The Geosynchronous Imaging Fourier Transform Spectrometer (GIFTS) on-board blackbody calibration system

Fred Best, Henry Revercomb, Robert Knuteson, David Tobin, Scott Ellington, Mark Werner, Douglas Adler, Raymond Garcia, Joseph Taylor, Nick Ciganovich, William Smith, Gail Bingham, John Elwell, Deron Scott

Proceedings Volume 5655, (2005) https://doi.org/10.1117/12.579017

KEYWORDS: Black bodies, Calibration, Temperature metrology, Monte Carlo methods, Electronics, Fourier transforms, Imaging systems, Aluminum, Spectroscopy, Resistors

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Proceedings Article | 20 January 2005 Paper

Highly accurate FTIR observations from the scanning HIS aircraft instrument

Henry Revercomb, David Tobin, Robert Knuteson, Fred Best, William Smith, Paul van Delst, Daniel LaPorte, Scott Ellington, Mark Werner, Ralph Dedecker, Raymond Garcia, Nick Ciganovich, Hugh Howell, Erik Olson, Steven Dutcher, Joseph Taylor

Proceedings Volume 5655, (2005) https://doi.org/10.1117/12.579018

KEYWORDS: Calibration, Interferometers, Sensors, MODIS, Black bodies, Spectral resolution, Fourier transforms, Diffractive optical elements, FT-IR spectroscopy, Satellites

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Proceedings Article | 20 January 2005 Paper

On-orbit calibration of the Geosynchronous Imaging Fourier Transform Spectrometer (GIFTS)

Robert Knuteson, Fred Best, Gail Bingham, John Elwell, Henry Revercomb, David Tobin, Deron Scott, Joseph Taylor, William Smith

Proceedings Volume 5655, (2005) https://doi.org/10.1117/12.578992

KEYWORDS: Black bodies, Calibration, Sensors, Fourier transforms, Space telescopes, Spectral calibration, Spectroscopy, Atmospheric sensing, Telescopes, Error analysis

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Proceedings Article | 20 January 2005 Paper

A principal component-based radiative transfer forward model (PCRTM) for hyperspectral instruments

Xu Liu, William Smith, Daniel Zhou, Allen Larar

Proceedings Volume 5655, (2005) https://doi.org/10.1117/12.578996

KEYWORDS: Atmospheric modeling, Radiative transfer, Instrument modeling, Atmospheric optics, Transmittance, Infrared radiation, Data modeling, Sensors, Satellites, Multiple scattering

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Proceedings Article | 30 November 2004 Paper

Validation of Atmospheric InfraRed Sounder (AIRS) spectral radiances with the Scanning High-resolution Interferometer Sounder (S-HIS) aircraft instrument

David Tobin, Henry Revercomb, Chris Moeller, Robert Knuteson, Fred Best, William Smith, Paul van Delst, Daniel LaPorte, Scott Ellington, Mark Werner, Ralph Dedecker, Raymond Garcia, Nick Ciganovich, Hugh Howell, Steven Dutcher, Joe Taylor

Proceedings Volume 5571, (2004) https://doi.org/10.1117/12.566060

KEYWORDS: Calibration, MODIS, Infrared radiation, Spectral resolution, Space operations, Interferometers, Climatology, Sensors, Black bodies, Environmental sensing

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Proceedings Article | 15 September 2004 Paper

Near-real-time cloud properties and aircraft icing indices from GEO and LEO satellites

Patrick Minnis, William Smith, Louis Nguyen, Douglas Spangenberg, Patrick Heck, Rabindra Palikonda, J. Kirk Ayers, Cory Wolff, John Murray

Proceedings Volume 5549, (2004) https://doi.org/10.1117/12.560488

KEYWORDS: Clouds, Satellites, Technetium, Liquids, Algorithm development, Satellite imaging, Imaging systems, Meteorological satellites, MODIS, Infrared radiation

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Showing 5 of 17 publications

Conference Committee Involvement (7)

Atmospheric and Environmental Remote Sensing Data Processing and Utilization VI: Readiness for GEOSS IV

1 August 2010 | San Diego, California, United States

Atmospheric and Environmental Remote Sensing Data Processing and Utilization V: Readiness for GEOSS III

5 August 2009 | San Diego, California, United States

Atmospheric and Environmental Remote Sensing Data Processing and Utilization IV: Readiness for GEOSS II

12 August 2008 | San Diego, California, United States

Atmospheric and Environmental Remote Sensing Data Processing and Utilization III: Readiness for GEOSS

27 August 2007 | San Diego, California, United States

Atmospheric and Environmental Remote Sensing Data Processing and Utilization II: Perspective on Calibration/Validation Initiatives and Strategies

16 August 2006 | San Diego, California, United States

Showing 5 of 7 Conference Committees

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