Dr. Brian T. Thelen Profile

Dr. Brian T. Thelen

Research Scientist at Michigan Tech Research Institute

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Author

Publications (35)

Proceedings Article | 30 May 2022 Presentation

Quantification and isolation of the information content for target classification in SAR, EO, and Fused SAR/EO imagery via triangle divergence

Brian Thelen, Ismael Xique, Adam Nolan, Joseph Burns

Proceedings Volume PC12095, PC120950A (2022) https://doi.org/10.1117/12.2627734

KEYWORDS: Synthetic aperture radar, Image classification

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Proceedings Article | 27 April 2020 Presentation

Advances in regression analysis for performance modeling of machine learning systems (Conference Presentation)

George Steven Goley, Brian Thelen, Ismael Xique, Adam Nolan

Proceedings Volume 11393, 113930U (2020) https://doi.org/10.1117/12.2562153

KEYWORDS: Performance modeling, Machine learning

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Proceedings Article | 14 May 2019 Presentation + Paper

A performance modeling framework for large scale synthetically derived performance estimates

G. Steven Goley, Brian Thelen, Ismael Xique, Adam Nolan

Proceedings Volume 10987, 109870K (2019) https://doi.org/10.1117/12.2523455

KEYWORDS: Performance modeling, Data modeling, Sensors, Detection and tracking algorithms, Algorithm development, Radar, Mathematical modeling, Automatic target recognition, Statistical modeling

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Proceedings Article | 10 May 2019 Paper

Quadratic lifting inversion applied to buried object radar imaging

Joseph Lindgren, Joseph Burns, Brian Thelen, Ismael Xique

Proceedings Volume 11012, 1101217 (2019) https://doi.org/10.1117/12.2519016

KEYWORDS: Image resolution, Interferometry, Radar imaging, Signal to noise ratio, Error analysis, Scattering, Optimization (mathematics), Synthetic aperture radar

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Proceedings Article | 30 April 2018 Paper

Novel application of windowed beamforming function imaging for FLGPR

Ismael Xique, Joseph Burns, Brian Thelen, Ryan LaRose

Proceedings Volume 10628, 106280H (2018) https://doi.org/10.1117/12.2303724

KEYWORDS: Coherence imaging, Target detection, Detection and tracking algorithms, Image filtering, Interferometry, Radar imaging, Land mines

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Proceedings Article | 3 May 2017 Presentation + Paper

Comparative analysis of image formation techniques for FLGPR

Joseph Burns, Matthew Masarik, Ismael Xique, Brian Thelen, Adam Webb

Proceedings Volume 10182, 1018219 (2017) https://doi.org/10.1117/12.2262999

KEYWORDS: Coherence (optics), Image filtering, Polarization, Image acquisition, Target detection, Calibration, Data modeling, Image analysis, Ground penetrating radar, Synthetic aperture radar

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Proceedings Article | 28 April 2017 Presentation + Paper

A novel latent gaussian copula framework for modeling spatial correlation in quantized SAR imagery with applications to ATR

Brian Thelen, Ismael Xique, Joseph Burns, G. Steven Goley, Adam Nolan, Jonathan Benson

Proceedings Volume 10201, 102010G (2017) https://doi.org/10.1117/12.2267833

KEYWORDS: Synthetic aperture radar, Data modeling, Composites, Statistical modeling, Statistical analysis, Remote sensing, Algorithm development, Matrices, Sensors, Performance modeling

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Proceedings Article | 28 April 2017 Presentation + Paper

Divergences and estimating tight bounds on Bayes error with applications to multivariate Gaussian copula and latent Gaussian copula

Brian Thelen, Ismael Xique, Joseph Burns, G. Steven Goley, Adam Nolan, Jonathan Benson

Proceedings Volume 10201, 102010N (2017) https://doi.org/10.1117/12.2267834

KEYWORDS: Error analysis, Information theory, Monte Carlo methods, Data modeling, Statistical analysis, Analytical research, Matrices, Imaging systems, Computer simulations, Systems modeling, Radar

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Proceedings Article | 3 May 2016 Paper

A comparison of robust principal component analysis techniques for buried object detection in downward looking GPR sensor data

Anthony Pinar, Timothy Havens, Joseph Rice, Matthew Masarik, Joseph Burns, Brian Thelen

Proceedings Volume 9823, 98230T (2016) https://doi.org/10.1117/12.2229076

KEYWORDS: Principal component analysis, Sensors, Explosives, Ground penetrating radar, Detection and tracking algorithms, General packet radio service, Radar, Land mines, Target detection, Signal to noise ratio

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Proceedings Article | 3 May 2016 Paper

Enhanced buried UXO detection via GPR/EMI data fusion

Matthew Masarik, Joseph Burns, Brian Thelen, Jack Kelly, Timothy Havens

Proceedings Volume 9823, 98230R (2016) https://doi.org/10.1117/12.2223009

KEYWORDS: Data fusion, Electromagnetic coupling, Ground penetrating radar, Electromagnetism, Unexploded object detection, Signal processing, Explosives, Sensors, General packet radio service, Detection and tracking algorithms, Image processing, Target detection, Feature extraction, Algorithm development

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Proceedings Article | 3 May 2016 Paper

Enhancements to GPR buried UXO detection using the apex-shifted hyperbolic radon tansform

Matthew Masarik, Brian Thelen, Ismael Xique

Proceedings Volume 9823, 98231B (2016) https://doi.org/10.1117/12.2223014

KEYWORDS: General packet radio service, Radon transform, Detection and tracking algorithms, Radon, Unexploded object detection, Ground penetrating radar, Image filtering, 3D acquisition, Filtering (signal processing), Explosives

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Proceedings Article | 21 May 2015 Paper

Fast 3D subsurface imaging with stepped-frequency GPR

Matthew Masarik, Joseph Burns, Brian Thelen, Lena Sutter

Proceedings Volume 9454, 945417 (2015) https://doi.org/10.1117/12.2176630

KEYWORDS: General packet radio service, Interfaces, Optical spheres, Stereoscopy, 3D image processing, Reconstruction algorithms, Refraction, Sensors, Target detection, Detection and tracking algorithms

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Proceedings Article | 21 May 2015 Paper

GPR anomaly detection with robust principal component analysis

Matthew Masarik, Joseph Burns, Brian Thelen, Jack Kelly, Timothy Havens

Proceedings Volume 9454, 945414 (2015) https://doi.org/10.1117/12.2176571

KEYWORDS: Principal component analysis, General packet radio service, Detection and tracking algorithms, Target detection, Radon, Ground penetrating radar, Signal detection, Sensors, Independent component analysis, Signal processing

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Proceedings Article | 14 May 2015 Paper

Approach to explosive hazard detection using sensor fusion and multiple kernel learning with downward-looking GPR and EMI sensor data

Anthony Pinar, Matthew Masarik, Timothy Havens, Joseph Burns, Brian Thelen, John Becker

Proceedings Volume 9454, 94540B (2015) https://doi.org/10.1117/12.2176856

KEYWORDS: Sensors, Electromagnetic coupling, General packet radio service, Explosives, Sensor fusion, Explosives detection, Image fusion, Detection and tracking algorithms, Feature extraction, Image sensors

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Proceedings Article | 13 June 2014 Paper

Novel approach for assessing uncertainty propagation via information-theoretic divergence metrics and multivariate Gaussian Copula modeling

Brian Thelen, Chris Rickerd, Joseph Burns

Proceedings Volume 9093, 90930H (2014) https://doi.org/10.1117/12.2058266

KEYWORDS: Data modeling, Statistical analysis, Error analysis, Signal to noise ratio, Matrices, Radar, Information operations, Statistical modeling, Remote sensing, Feature extraction

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Proceedings Article | 28 August 2010 Paper

Incorporating prior knowledge of urban scene spatial structure in aperture code designs for surveillance systems

John Valenzuela, Brian Thelen, Nikola Subotic

Proceedings Volume 7818, 78180F (2010) https://doi.org/10.1117/12.863426

KEYWORDS: Coded apertures, Monochromatic aberrations, Sensors, Imaging systems, Surveillance systems, Image restoration, Binary data, Signal to noise ratio, Neodymium, Mathematical modeling

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Proceedings Article | 26 August 2008 Paper

Operation of phase-diverse adaptive-optics with extended scenes

Matthew Warmuth, Stuart Parker, Aaron Wilson, Kurt Gleichman, Richard Paxman, Brian Thelen, Ryan Murphy, Jason Hunt, Joel LeBlanc

Proceedings Volume 7093, 709307 (2008) https://doi.org/10.1117/12.795391

KEYWORDS: Wavefront sensors, Control systems, Wavefronts, Calibration, Adaptive optics, Error analysis, Mirrors, Deformable mirrors, Astronomy, Actuators

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Proceedings Article | 27 September 2007 Paper

Phase-diverse adaptive optics for future telescopes

Richard Paxman, Brian Thelen, Ryan Murphy, Kurt Gleichman, James Georges

Proceedings Volume 6711, 671103 (2007) https://doi.org/10.1117/12.734665

KEYWORDS: Adaptive optics, Wavefront sensors, Data modeling, Telescopes, Wavefronts, Phase retrieval, Turbulence, Sensors, Statistical analysis, Field programmable gate arrays

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Proceedings Article | 17 November 2000 Paper

Pre- and post-detection correction of turbulence-induced space-variant blur

Brian Thelen, David Carrara, Richard Paxman

Proceedings Volume 4125, (2000) https://doi.org/10.1117/12.409294

KEYWORDS: Adaptive optics, Turbulence, Speckle, Image restoration, Point spread functions, Computer simulations, Image quality, Wavefront sensors, Image processing, Reconstruction algorithms

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Proceedings Article | 16 November 2000 Paper

Aberration correction of segmented-aperture telescopes by using phase diversity

David Carrara, Brian Thelen, Richard Paxman

Proceedings Volume 4123, (2000) https://doi.org/10.1117/12.409286

KEYWORDS: Wavefronts, Image segmentation, Signal to noise ratio, Avalanche photodetectors, Error analysis, Space telescopes, Image processing, Telescopes, Image analysis, Wavefront sensors

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Proceedings Article | 5 October 1999 Paper

Optimal simulation of volume turbulence with phase screens

Richard Paxman, Brian Thelen, Jason Miller

Proceedings Volume 3763, (1999) https://doi.org/10.1117/12.363602

KEYWORDS: Turbulence, Adaptive optics, Wavefronts, Refraction, Atmospheric propagation, Computer simulations, Speckle, Chromium, Astronomy, Device simulation

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Proceedings Article | 5 October 1999 Paper

Fine-resolution imagery of extended objects observed through volume turbulence using phase-diverse speckle

Brian Thelen, David Carrara, Richard Paxman

Proceedings Volume 3763, (1999) https://doi.org/10.1117/12.363605

KEYWORDS: Turbulence, Speckle, Computer simulations, Image restoration, Image processing, Data modeling, Astronomical imaging, Reconstruction algorithms, Point spread functions, Speckle imaging

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Proceedings Article | 30 September 1999 Paper

3D imaging correlography and coherent image reconstruction

James Fienup, Richard Paxman, Michael Reiley, Brian Thelen

Proceedings Volume 3815, (1999) https://doi.org/10.1117/12.364140

KEYWORDS: Speckle, Phase retrieval, 3D image reconstruction, 3D image processing, Image retrieval, Opacity, Reconstruction algorithms, Fourier transforms, Speckle pattern, Image processing

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Proceedings Article | 16 October 1998 Paper

CHAMP: a locally adaptive unmixing-based hyperspectral anomaly detection algorithm

Eric Crist, Brian Thelen, David Carrara

Proceedings Volume 3438, (1998) https://doi.org/10.1117/12.328123

KEYWORDS: Data modeling, Detection and tracking algorithms, Statistical analysis, Sensors, Monte Carlo methods, Statistical modeling, Hyperspectral simulation, Hyperspectral imaging, Atmospheric sensing, Optical filters

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Proceedings Article | 15 September 1998 Paper

Sequential hypothesis testing for dynamic SAR resource allocation

Nikola Subotic, Brian Thelen, David Wiseman

Proceedings Volume 3370, (1998) https://doi.org/10.1117/12.321838

KEYWORDS: Synthetic aperture radar, Autoregressive models, Detection and tracking algorithms, Data modeling, Image processing, Target detection, Image acquisition, Control systems, Motion models, Evolutionary algorithms

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Proceedings Article | 11 September 1998 Paper

Comparison of phase diversity and curvature wavefront sensing

James Fienup, Brian Thelen, Richard Paxman, David Carrara

Proceedings Volume 3353, (1998) https://doi.org/10.1117/12.321701

KEYWORDS: Wavefront sensors, Wavefronts, Statistical analysis, Error analysis, Optical transfer functions, Analog electronics, Reconstruction algorithms, Adaptive optics, Telescopes, Mirrors

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Proceedings Article | 31 October 1997 Paper

3D locator sets of opaque objects for phase retrieval

James Fienup, Brian Thelen, Michael Reiley, Richard Paxman

Proceedings Volume 3170, (1997) https://doi.org/10.1117/12.292818

KEYWORDS: 3D image processing, Opacity, Reconstruction algorithms, Phase retrieval, Heterodyning, Fourier transforms

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Proceedings Article | 17 October 1997 Paper

Comparison of Shack-Hartmann wavefront sensing and phase-diverse phase retrieval

Brent Ellerbroek, Brian Thelen, David Lee, David Carrara, Richard Paxman

Proceedings Volume 3126, (1997) https://doi.org/10.1117/12.290157

KEYWORDS: Wavefront sensors, Phase retrieval, Adaptive optics, Sensors, Error analysis, Interference (communication), Statistical analysis, Detection and tracking algorithms, Wavefronts, Photodetectors

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Proceedings Article | 25 October 1996 Paper

Bayes estimation of dynamic and fixed aberrations and object from phase-diverse speckle data

Brian Thelen, Richard Paxman, John Seldin, David Rice

Proceedings Volume 2827, (1996) https://doi.org/10.1117/12.255086

KEYWORDS: Speckle, Stochastic processes, Image restoration, Turbulence, Wavefronts, Speckle imaging, Data modeling, Optimization (mathematics), Calibration, Imaging systems

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Proceedings Article | 20 June 1995 Paper

Statistical parametric signature/sensor/detection model for multispectral mine target detection

Craig Schwartz, Arthur Kenton, William Pont, Brian Thelen

Proceedings Volume 2496, (1995) https://doi.org/10.1117/12.211319

KEYWORDS: Sensors, Statistical modeling, Performance modeling, Target detection, Point spread functions, Detection and tracking algorithms, Land mines, Atmospheric modeling, Cameras, Systems modeling

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Proceedings Article | 20 June 1995 Paper

Application of multivariate Gaussian detection theory to known non-Gaussian probability density functions

Craig Schwartz, Brian Thelen, Arthur Kenton

Proceedings Volume 2496, (1995) https://doi.org/10.1117/12.211374

KEYWORDS: Performance modeling, Detection and tracking algorithms, Transform theory, Sensors, Data modeling, Statistical modeling, Detection theory, Statistical analysis, Systems modeling, Algorithm development

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Proceedings Article | 12 June 1995 Paper

Wavelet techniques for band selection and material classification from hyperspectral data

Nikola Subotic, John Gorman, Brian Thelen

Proceedings Volume 2480, (1995) https://doi.org/10.1117/12.210896

KEYWORDS: Wavelets, Reflectivity, Sensors, Hyperspectral imaging, Image sensors, Analytical research, Absorption, Spectral resolution, Wavelet transforms, Electromagnetism

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Proceedings Article | 30 September 1994 Paper

Parameter dimension of turbulence-induced phase errors and its effects on estimation in phase diversity

Brian Thelen, Richard Paxman

Proceedings Volume 2302, (1994) https://doi.org/10.1117/12.188048

KEYWORDS: Image restoration, Matrices, Data modeling, Error analysis, Phased array optics, Probability theory, Statistical modeling, Point spread functions, Atmospheric turbulence, Astronomy

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Proceedings Article | 9 June 1994 Paper

Automated two- and three-dimensional, fine-resolution radar imaging of rigid targets with arbitrary unknown motion

Mark Stuff, Richard Sullivan, Brian Thelen, Susan Werness

Proceedings Volume 2230, (1994) https://doi.org/10.1117/12.177171

KEYWORDS: Radar, Scattering, 3D image processing, 3D acquisition, Imaging systems, Motion analysis, Signal processing, Motion measurement, Radar imaging, Image processing

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Proceedings Article | 31 May 1994 Paper

Correction of anisoplanatic blur by using phase diversity

Richard Paxman, Brian Thelen, John Seldin

Proceedings Volume 2201, (1994) https://doi.org/10.1117/12.176047

KEYWORDS: Wavefront sensors, Point spread functions, Atmospheric turbulence, Deformable mirrors, Turbulence, Infrared imaging, Infrared radiation, Internet, Geometrical optics, Scattering

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Showing 5 of 35 publications

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