Dr. David A. Garren Profile

Dr. David A. Garren

Professor at Naval Postgraduate School

SPIE Involvement:

Conference Program Committee | Author

Proceedings Article | 7 June 2024 Presentation + Paper

Morphology and refocus of fast-moving exo-clutter targets in synthetic aperture radar imagery

David Garren

Proceedings Volume 13032, 1303209 (2024) https://doi.org/10.1117/12.3012704

KEYWORDS: Synthetic aperture radar, Radar, Motion analysis, Aliasing

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Proceedings Article | 13 June 2023 Presentation + Paper

Moving target detection in a maritime environment employing arbitrary rigid object motion autofocus

E. Campbell, D. Garren

Proceedings Volume 12520, 125200C (2023) https://doi.org/10.1117/12.2663202

KEYWORDS: Windows, Detection and tracking algorithms, Target detection, Image sharpness, Radar, Environmental sensing, Synthetic aperture radar, Computer simulations, 3D modeling, Motion models

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Proceedings Article | 31 May 2022 Presentation + Paper

AROMA autofocus of SAR moving targets with complicated heading trajectories

David Garren

Proceedings Volume 12095, 1209506 (2022) https://doi.org/10.1117/12.2632056

KEYWORDS: Synthetic aperture radar, Radar, Scattering, Image processing, Error analysis, Ku band, Target detection, Target recognition, Radar imaging

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Proceedings Article | 24 April 2020 Presentation + Paper

Perturbation amplitude effects of power law errors on refraction autofocus

David Garren

Proceedings Volume 11393, 1139304 (2020) https://doi.org/10.1117/12.2557530

KEYWORDS: Radar, Synthetic aperture radar, Refraction, Atmospheric modeling, Error analysis, Atmospheric propagation, Atmospheric physics, Ku band, Wave propagation, Earth's atmosphere

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Proceedings Article | 14 May 2019 Presentation + Paper

Effects of region of interest selection on phase history based SAR moving target autofocus

David Garren

Proceedings Volume 10987, 1098703 (2019) https://doi.org/10.1117/12.2518435

KEYWORDS: Synthetic aperture radar, Radar, Image processing, Image quality, Ku band, Detection and tracking algorithms, Motion measurement, Error analysis, Analytical research, Scattering

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Proceedings Article | 27 April 2018 Presentation + Paper

Insights into the complicated SAR signature shapes induced by braking targets

David Garren

Proceedings Volume 10647, 106470L (2018) https://doi.org/10.1117/12.2305100

KEYWORDS: Synthetic aperture radar, Radar, Image acquisition, Motion analysis, Shape analysis, Image processing, Analytical research, Detection and tracking algorithms, Target detection, 3D acquisition

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Proceedings Article | 28 April 2017 Presentation + Paper

Implications of SAR ambiguities in estimating the motion of slow targets

David Garren

Proceedings Volume 10201, 102010E (2017) https://doi.org/10.1117/12.2263096

KEYWORDS: Transmitters, Receivers, Scattering, Target detection, Solids, Synthetic aperture radar, Motion estimation, Radar, Motion measurement, Motion analysis, Kinematics

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Proceedings Article | 14 May 2016 Paper

Signature predictions of surface targets undergoing braking maneuvers in squinted spotlight synthetic aperture radar imagery

David Garren

Proceedings Volume 9843, 984303 (2016) https://doi.org/10.1117/12.2224376

KEYWORDS: Synthetic aperture radar, Radar, Shape analysis, Device simulation, Motion analysis, Image acquisition, Image processing, Signal to noise ratio, Motion models, Interference (communication)

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Proceedings Article | 13 May 2015 Paper

Signature predictions of surface targets undergoing turning maneuvers in spotlight synthetic aperture radar imagery

David Garren

Proceedings Volume 9475, 94750A (2015) https://doi.org/10.1117/12.2177372

KEYWORDS: Radar, Synthetic aperture radar, Analytical research, Radar imaging, Scattering, Shape analysis, Device simulation, Detection and tracking algorithms, Motion analysis, Image acquisition

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Proceedings Article | 13 June 2014 Paper

Phenomenology of low probability of intercept synthetic aperture radar via Frank codes

David Garren, Phillip Pace, Ric Romero

Proceedings Volume 9093, 909302 (2014) https://doi.org/10.1117/12.2048638

KEYWORDS: Radar, Synthetic aperture radar, Receivers, Sensors, Phase shift keying, Radar sensor technology, Scattering, Convolution, Image processing, Modulation

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Proceedings Article | 23 May 2013 Paper

Target migration path morphology of moving targets in spotlight SAR

David Garren, James Scrofani, Murali Tummala, John McEachen

Proceedings Volume 8746, 87460B (2013) https://doi.org/10.1117/12.2022410

KEYWORDS: Synthetic aperture radar, Radar, Radar imaging, Spatial frequencies, Algorithm development, Detection and tracking algorithms, Sensors, Scattering, Image enhancement, Computer engineering

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Proceedings Article | 9 July 1999 Paper

Theoretical analysis of a continuous tracking system

David Garren, Timothy Grayson, Ray Johnson, Thomas Strat

Proceedings Volume 3709, (1999) https://doi.org/10.1117/12.351608

KEYWORDS: Probability theory, Synthetic aperture radar, Sensors, Target detection, Radar, Statistical analysis, Picosecond phenomena, Promethium, Roads, Americium

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Proceedings Article | 18 September 1998 Paper

Airborne video surveillance

John Gilmore, David Garren

Proceedings Volume 3371, (1998) https://doi.org/10.1117/12.323823

KEYWORDS: Video, Video surveillance, Sensors, Unmanned aerial vehicles, Image registration, Telecommunications, Infrared sensors, Infrared imaging, Surveillance, Image sensors

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Proceedings Article | 26 August 1998 Paper

Battlespace exploitation visualization

John Gilmore, David Garren

Proceedings Volume 3395, (1998) https://doi.org/10.1117/12.319445

KEYWORDS: Visualization, Data modeling, Sensors, Visual analytics, Visual process modeling, Imaging systems, Image segmentation, Image visualization, Image processing, Human-machine interfaces

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Showing 5 of 14 publications

Conference Committee Involvement (9)

Algorithms for Synthetic Aperture Radar Imagery XXXII

13 April 2025 | Orlando, Florida, United States

Algorithms for Synthetic Aperture Radar Imagery XXXI

23 April 2024 | National Harbor, Maryland, United States

Algorithms for Synthetic Aperture Radar Imagery XXX

2 May 2023 | Orlando, Florida, United States

Algorithms for Synthetic Aperture Radar Imagery XXIX

6 April 2022 | Orlando, Florida, United States

Algorithms for Synthetic Aperture Radar Imagery XXVIII

12 April 2021 | Online Only, Florida, United States

Showing 5 of 9 Conference Committees

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