Dr. Joshua N. Ash Profile

Dr. Joshua N. Ash

at Wright State Univ.

SPIE Involvement:

Conference Program Committee | Author

Publications (14)

PROCEEDINGS ARTICLE | May 8, 2018

Temperature-robust longwave infrared hyperspectral change detection

Proc. SPIE. 10644, Algorithms and Technologies for Multispectral, Hyperspectral, and Ultraspectral Imagery XXIV

KEYWORDS: Infrared detectors, Long wavelength infrared, Detection and tracking algorithms, Error analysis, Linear filtering, Infrared radiation, Optimization (mathematics), Atmospheric sensing, Atmospheric modeling, Temperature metrology

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PROCEEDINGS ARTICLE | April 27, 2018

Leveraging 3D models for SAR-based navigation in GPS-denied environments

Proc. SPIE. 10647, Algorithms for Synthetic Aperture Radar Imagery XXV

KEYWORDS: Radar, Point spread functions, Scattering, LIDAR, Databases, Synthetic aperture radar, 3D modeling, Navigation systems, Algorithm development, Radar imaging, Global Positioning System

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PROCEEDINGS ARTICLE | May 17, 2016

Temperature-emissivity separation for LWIR sensing using MCMC

Proc. SPIE. 9840, Algorithms and Technologies for Multispectral, Hyperspectral, and Ultraspectral Imagery XXII

KEYWORDS: Long wavelength infrared, Infrared sensors, Data modeling, Sensors, Databases, Error analysis, Monte Carlo methods, Signal processing, Infrared radiation, Temperature metrology

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PROCEEDINGS ARTICLE | June 13, 2014

A unifying perspective of coherent and non-coherent change detection

Proc. SPIE. 9093, Algorithms for Synthetic Aperture Radar Imagery XXI

KEYWORDS: Radar, Detection and tracking algorithms, Synthetic aperture radar, Image processing, Distortion, X band, Charge-coupled devices, Algorithm development, Device simulation, Expectation maximization algorithms

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PROCEEDINGS ARTICLE | May 23, 2013

Joint imaging and change detection for robust exploitation in interrupted SAR environments

Proc. SPIE. 8746, Algorithms for Synthetic Aperture Radar Imagery XX

KEYWORDS: Radar, Coherence imaging, Data modeling, Imaging systems, Synthetic aperture radar, Fourier transforms, Distortion, Charge-coupled devices, Reconstruction algorithms, Radar imaging

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PROCEEDINGS ARTICLE | May 25, 2012

Empirical space-time statistical models for inhomogeneous acoustic propagation environments

Proc. SPIE. 8388, Unattended Ground, Sea, and Air Sensor Technologies and Applications XIV

KEYWORDS: Statistical analysis, Data modeling, Sensors, Error analysis, Distortion, Acoustics, Atmospheric propagation, Environmental sensing, Statistical modeling, Atmospheric modeling

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PROCEEDINGS ARTICLE | May 3, 2012

Wide angle SAR data for target discrimination research

Proc. SPIE. 8394, Algorithms for Synthetic Aperture Radar Imagery XIX

KEYWORDS: Reflectors, 3D acquisition, Detection and tracking algorithms, Data modeling, Sensors, Synthetic aperture radar, Fourier transforms, Digital video discs, Algorithm development

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PROCEEDINGS ARTICLE | May 20, 2011

Extension and implementation of a model-based approach to hyperspectral change detection

Proc. SPIE. 8048, Algorithms and Technologies for Multispectral, Hyperspectral, and Ultraspectral Imagery XVII

KEYWORDS: Target detection, Optical filters, Visible radiation, Detection and tracking algorithms, Data modeling, Sensors, Reflectivity, Vegetation, Model-based design, Radiative transfer

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PROCEEDINGS ARTICLE | May 12, 2011

Supersonic projectile models for asynchronous shooter localization

Proc. SPIE. 8046, Unattended Ground, Sea, and Air Sensor Technologies and Applications XIII

KEYWORDS: Radon, Statistical analysis, Cadmium, Data modeling, Sensors, 3D modeling, Sensor networks, Monte Carlo methods, Algorithm development, Statistical modeling

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PROCEEDINGS ARTICLE | May 5, 2011

Performance analysis of sparse 3D SAR imaging

Proc. SPIE. 8051, Algorithms for Synthetic Aperture Radar Imagery XVIII

KEYWORDS: Radar, Signal to noise ratio, Detection and tracking algorithms, Scattering, Synthetic aperture radar, Rayleigh scattering, Associative arrays, Reconstruction algorithms, Data centers, 3D image processing

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PROCEEDINGS ARTICLE | May 13, 2010

A model-based approach to hyperspectral change detection

Proc. SPIE. 7695, Algorithms and Technologies for Multispectral, Hyperspectral, and Ultraspectral Imagery XVI

KEYWORDS: Detection and tracking algorithms, Data modeling, Sensors, Error analysis, Reflectivity, Adaptive optics, Optimization (mathematics), Atmospheric sensing, Atmospheric modeling, Model-based design

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PROCEEDINGS ARTICLE | April 19, 2010

Analysis of motion disambiguation using multi-channel circular SAR

Proc. SPIE. 7699, Algorithms for Synthetic Aperture Radar Imagery XVII

KEYWORDS: Radar, Statistical analysis, Synthetic aperture radar, Receivers, Monte Carlo methods, Antennas, Associative arrays, Neodymium, Motion models, 3D image processing

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PROCEEDINGS ARTICLE | May 5, 2009

Time-delay estimation in time-warping environments

Proc. SPIE. 7333, Unattended Ground, Sea, and Air Sensor Technologies and Applications XI

KEYWORDS: Signal to noise ratio, Statistical analysis, Error analysis, Interference (communication), Receivers, Signal processing, Terbium, Acoustics, Ranging, Correlation function

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PROCEEDINGS ARTICLE | April 15, 2008

Recursive SAR imaging

Proc. SPIE. 6970, Algorithms for Synthetic Aperture Radar Imagery XV

KEYWORDS: Radar, Apodization, Scattering, Synthetic aperture radar, Image processing, Video, Image acquisition, Image quality, Convolution, Autoregressive models

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Showing 5 of 14 publications

Conference Committee Involvement (4)

Algorithms for Synthetic Aperture Radar Imagery XXVI

14 April 2019 | Baltimore, Maryland, United States

Algorithms for Synthetic Aperture Radar Imagery XXV

19 April 2018 | Orlando, Florida, United States

Algorithms for Synthetic Aperture Radar Imagery XXIV

13 April 2017 | Anaheim, California, United States

Algorithms for Synthetic Aperture Radar Imagery XXIII

21 April 2016 | Baltimore, Maryland, United States

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