Dr. John D. VanderLaan Profile

Dr. John D. VanderLaan

Principal Member of Technical Staff at Sandia National Labs

SPIE Involvement:

Author

Publications (23)

Proceedings Article | 7 October 2024 Presentation + Paper

Measuring bulk angular scattering in atmospherically relevant degraded visual environments

Christian Pattyn, Karl Westlake, Brian Redman, Brian Bentz, John van der Laan, Jeremy Wright

Proceedings Volume 13149, 131491D (2024) https://doi.org/10.1117/12.3025547

KEYWORDS: Driver's vision enhancers, Aerosols, Light scattering, Atmospheric optics, Laser scattering

Read Abstract +

Proceedings Article | 7 June 2024 Presentation + Paper

A likelihood ratio test for shrinkage covariance estimators

Dylan Anderson, John van der Laan

Proceedings Volume 13031, 1303103 (2024) https://doi.org/10.1117/12.3013476

KEYWORDS: Shrinkage, Covariance, Covariance matrices, Cross validation, Data modeling, Target detection, Statistical analysis, Hyperspectral imaging, Detection and tracking algorithms, Condition numbers

Read Abstract +

Proceedings Article | 15 June 2023 Presentation + Paper

Event-based sensing for the detection of modulated signals in degraded visual environments

Christian Pattyn, Alexander Edstrom, Andres Sanchez, Karl Westlake, John van der Laan, J. Derek Tucker, Jessica Jones, Kaylin Hagopian, Joshua Shank, Lilian Casias, Jeremy Wright

Proceedings Volume 12514, 1251409 (2023) https://doi.org/10.1117/12.2663385

KEYWORDS: Aerosols, Signal detection, Cameras, Sensors, Mie scattering, Scattering

Read Abstract +

Proceedings Article | 31 May 2022 Presentation + Paper

Development and characterization of a tabletop fog chamber at Sandia National Laboratories

Christian Pattyn, Jake Zenker, Elihu Deneke, Lekha Patel, Brian Redman, John van der Laan, Ryan Hastings, David Alexander, Kevin Webb, Andrew Glen, Andres Sanchez, Karl Westlake, Brian Bentz, Jeremy Wright

Proceedings Volume 12125, 121250A (2022) https://doi.org/10.1117/12.2618838

KEYWORDS: Light scattering, Scattering, Optical testing, Laser scattering, Humidity, Visualization, Mie scattering, Collimation

Read Abstract +

Proceedings Article | 6 May 2021 Presentation + Paper

Detection and localization of objects hidden in fog

Brian Bentz, John van der Laan, Andrew Glen, Christian Pattyn, Brian Redman, Andres Sanchez, Karl Westlake, Ryan Hastings, Kevin Webb, Jeremy Wright

Proceedings Volume 11759, 1175906 (2021) https://doi.org/10.1117/12.2587995

KEYWORDS: Fiber optic gyroscopes, Mie scattering, Light scattering, Information security, Visualization, Scattering, Radiative transfer, Photons, Particles, Computational imaging

Read Abstract +

Proceedings Article | 15 May 2020 Paper

Hyperspectral vegetation identification utilizing polynomial fitting for dimensionality reduction

John van der Laan, Brian Redman, Dylan Anderson, R. Derek West, David Yocky

Proceedings Volume 11416, 114160S (2020) https://doi.org/10.1117/12.2558172

KEYWORDS: Vegetation, Principal component analysis, Image segmentation, Spatial resolution, Hyperspectral imaging, Scene classification, Near infrared, Quantitative analysis

Read Abstract +

Proceedings Article | 4 May 2020 Presentation + Paper

Towards computational imaging for intelligence in highly scattering aerosols

Brian Bentz, Brian Redman, John van der Laan, Karl Westlake, Andrew Glen, Andres Sanchez, Jeremy Wright

Proceedings Volume 11424, 1142405 (2020) https://doi.org/10.1117/12.2558820

KEYWORDS: Light scattering, Scattering, Sensors, Atmospheric modeling, Aerosols, Diffusion, Data modeling, Visibility through fog, Computational imaging, Diffuse optical imaging, Radiative transfer, Visual guidance for autonomous vehicles

Read Abstract +

Proceedings Article | 27 April 2020 Presentation

Characterizing fog at the Sandia Fog Facility (Conference Presentation)

Jeremy Wright, John van der Laan, Karl Westlake, Brian Bentz, Andres Sanchez, Brian Redman

Proceedings Volume 11424, 1142402 (2020) https://doi.org/10.1117/12.2561099

KEYWORDS: Fiber optic gyroscopes, Fourier transforms, Visualization, Light scattering, Optical testing, Particles, Surveillance, Transportation security, Scattering, Aerosols

Read Abstract +

Proceedings Article | 21 April 2020 Presentation + Paper

Robust terrain classification of high spatial resolution remote sensing data employing probabilistic feature fusion and pixelwise voting

R. Derek West, Brian Redman, David Yocky, John van der Laan, Dylan Anderson

Proceedings Volume 11398, 113980F (2020) https://doi.org/10.1117/12.2558196

KEYWORDS: Data modeling, Synthetic aperture radar, Spatial resolution, Remote sensing, Image segmentation, Vegetation, Image classification, Sensors

Read Abstract +

Proceedings Article | 17 May 2019 Presentation + Paper

Hyperspectral vegetation identification at a legacy underground nuclear explosion test site

Brian Redman, John van der Laan, Dylan Anderson, Julia Craven, Elizabeth Miller, Adam Collins, Erika Swanson, Emily Schultz-Fellenz

Proceedings Volume 11010, 110100R (2019) https://doi.org/10.1117/12.2519957

KEYWORDS: Vegetation, Hyperspectral imaging, Image segmentation, Spatial resolution, Machine learning, Reflectivity, Principal component analysis, Defense and security

Read Abstract +

Proceedings Article | 14 May 2019 Presentation

Testing active polarimetric imagers in fog (Conference Presentation)

John van der Laan, Brian Redman, Jacob Segal, Karl Westlake, Jeremy Wright

Proceedings Volume 11019, 1101909 (2019) https://doi.org/10.1117/12.2519122

KEYWORDS: Fiber optic gyroscopes, Imaging systems, Polarimetry, Scattering, Light scattering, Environmental sensing, Polarization, Fourier transforms, Sensing systems, Optical sensors

Read Abstract +

Proceedings Article | 14 May 2019 Presentation

Active and passive long-wave infrared resolution degradation in realistic fog conditions (Conference Presentation)

Brian Redman, John van der Laan, Jeremy Wright, Jacob Segal, Charles LaCasse, Karl Westlake, Andres Sanchez

Proceedings Volume 11019, 110190A (2019) https://doi.org/10.1117/12.2520460

KEYWORDS: Fiber optic gyroscopes, Long wavelength infrared, Infrared radiation, Infrared imaging, Image resolution, Imaging systems, Visualization, Computer security, Spatial resolution, Range imaging

Read Abstract +

SPIE Journal Paper | 12 January 2019

Measuring resolution degradation of long-wavelength infrared imagery in fog

Brian J. Redman, John D. van der Laan, Karl R. Westlake, Jacob W. Segal, Charles F. LaCasse, Andres L. Sanchez, Jeremy B. Wright

OE, Vol. 58, Issue 05, 051806, (January 2019) https://doi.org/10.1117/12.10.1117/1.OE.58.5.051806

KEYWORDS: Fiber optic gyroscopes, Modulation transfer functions, Long wavelength infrared, Particles, Spatial frequencies, Light scattering, Scattering, Visibility through fog, Visibility, Image resolution

Read Abstract +

Proceedings Article | 14 May 2018 Presentation

Long wave infrared spectropolarimetric directional reflectometer (Conference Presentation)

Charles LaCasse, Kyle Fuerschbach, Julia Craven, Jacob Segal, John van der Laan, Jeremy Wright, Steven Grover, Jessica Pehr, Thomas Reichardt, Thomas Kulp

Proceedings Volume 10655, 106550F (2018) https://doi.org/10.1117/12.2309701

KEYWORDS: Infrared spectroscopy, Long wavelength infrared, Infrared radiation, Reflectometry, Instrument modeling, Calibration, Measurement devices, Sensors, Bidirectional reflectance transmission function, FT-IR spectroscopy

Read Abstract +

Proceedings Article | 14 May 2018 Presentation

Design and testing of an active polarization imager at SWIR wavelengths for imaging in highly scattering environments (Conference Presentation)

John van der Laan, Jeremy Wright, Karl Westlake

Proceedings Volume 10655, 106550Q (2018) https://doi.org/10.1117/12.2305154

KEYWORDS: Scattering, Imaging systems, Polarization, Fiber optic gyroscopes, Short wave infrared radiation, Light scattering, Environmental sensing, Fourier transforms, Sensing systems, Optical sensors

Read Abstract +

Proceedings Article | 14 May 2018 Presentation

Ongoing work and improvements at the Sandia Fog Facility (Conference Presentation)

Jeremy Wright, John van der Laan, Andres Sanchez

Proceedings Volume 10642, 106420H (2018) https://doi.org/10.1117/12.2305139

KEYWORDS: Fiber optic gyroscopes, Fourier transforms, Light scattering, Aerosols, Video surveillance, Visualization, Environmental monitoring, Environmental sensing, Surveillance systems, Sensors

Read Abstract +

Proceedings Article | 23 May 2017 Presentation + Paper

Optical characterization of the Sandia fog facility

Jeremy Wright, John van der Laan, Andres Sanchez, Shanalyn Kemme, David Scrymgeour

Proceedings Volume 10197, 1019704 (2017) https://doi.org/10.1117/12.2262685

KEYWORDS: Laser scattering, Visualization, Particles, Atmospheric particles, Atmospheric modeling, Driver's vision enhancers, Aerosols, Visibility through fog, Visibility, Surveillance

Read Abstract +

Proceedings Article | 5 May 2017 Paper

Particle distribution variation on linear and circular polarization persistence in fog environments

John van der Laan, Jeremy Wright, David Scrymgeour, Shanalyn Kemme

Proceedings Volume 10197, 1019705 (2017) https://doi.org/10.1117/12.2262780

KEYWORDS: Particles, Polarization, Scattering, Mie scattering, Light scattering, Monte Carlo methods, Long wavelength infrared, Visibility through fog

Read Abstract +

Proceedings Article | 4 May 2016 Paper

Variation of linear and circular polarization persistence for changing field of view and collection area in a forward scattering environment

John van der Laan, Jeremy Wright, David Scrymgeour, Shanalyn Kemme, Eustace Dereniak

Proceedings Volume 9853, 98530L (2016) https://doi.org/10.1117/12.2223958

KEYWORDS: Polarization, Scattering, Light scattering, Monte Carlo methods, Ocean optics, Wave plates, Laser scattering, Polarimetry, Photons, Water

Read Abstract +

Proceedings Article | 19 May 2015 Paper

Increasing persistence through scattering environments by using circularly polarized light

J. van der Laan, D. Scrymgeour, J. Wright, S. Kemme, E. Dereniak

Proceedings Volume 9465, 94650U (2015) https://doi.org/10.1117/12.2177406

KEYWORDS: Scattering, Photons, Polarization, Light scattering, Poincaré sphere, Optical spheres, Particles, Monte Carlo methods, Mie scattering, Fiber optic gyroscopes

Read Abstract +

Proceedings Article | 24 June 2014 Paper

Sulfur copolymers for infrared optical imaging

S. Namnabat, J. Gabriel, J. Pyun, R. Norwood, E. Dereniak, J. van der Laan

Proceedings Volume 9070, 90702H (2014) https://doi.org/10.1117/12.2057849

KEYWORDS: Sulfur, Polymers, Refractive index, Infrared radiation, Thermography, Absorption, Mid-IR, Glasses, Chemical species, Infrared imaging

Read Abstract +

Proceedings Article | 21 May 2014 Paper

Increasing detection range and minimizing polarization mixing with circularly polarized light through scattering environments

J. van der Laan, D. Scrymgeour, S. Kemme, E. Dereniak

Proceedings Volume 9099, 909908 (2014) https://doi.org/10.1117/12.2050375

KEYWORDS: Polarization, Particles, Light scattering, Scattering, Monte Carlo methods, Ocean optics, Water, Environmental sensing, Fiber optic gyroscopes, Photons

Read Abstract +

Proceedings Article | 5 June 2013 Paper

Range and contrast imaging improvements using circularly polarized light in scattering environments

J. van der Laan, D. Scrymgeour, S. Kemme, E. Dereniak

Proceedings Volume 8706, 87060R (2013) https://doi.org/10.1117/12.2015874

KEYWORDS: Polarization, Particles, Fiber optic gyroscopes, Scattering, Mid-IR, Long wavelength infrared, Short wave infrared radiation, Imaging systems, Light scattering, Monte Carlo methods

Read Abstract +

Showing 5 of 23 publications

View contact details

UPDATE YOUR PROFILE

Is this your profile? Update it now.

Sign into your SPIE.org account

Don’t have a profile and want one?

Create an account on SPIE.org

Keywords/Phrases

Search In:

Publication Years