Dr. David P. Haefner Profile

Dr. David P. Haefner

Publications (50)

Proceedings Article | 16 November 2024 Presentation

Optimal use of data for PTC characterization of photon counting capable sensors

David Haefner, Aaron Hendrickson

Proceedings Volume PC13204, PC1320402 (2024) https://doi.org/10.1117/12.3034018

KEYWORDS: Quantum sensors, Photon counting, Quantum reading, Quantum regime, Expectation maximization algorithms, Quantum noise, Quantum data, Quantum conversion, Data conversion, CMOS sensors

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Proceedings Article | 7 June 2024 Presentation + Paper

Focusing an event-based camera: towards spatiotemporal characterization of neuromorphic vision systems

Stephen Burks, Jonah Sengupta, David Haefner, David Lee

Proceedings Volume 13045, 130450O (2024) https://doi.org/10.1117/12.3013108

KEYWORDS: Cameras, Sensors, Modulation transfer functions, Imaging systems, Detector arrays, Signal to noise ratio, Integrating spheres

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Proceedings Article | 7 June 2024 Presentation + Paper

Measuring a camera system's F-number using retroreflections

Derek Burrell, Allen Parker, David Haefner, Stephen Burks

Proceedings Volume 13045, 130450T (2024) https://doi.org/10.1117/12.3012784

KEYWORDS: Cameras, Retroreflectors, Simulations, Imaging systems, Dielectrophoresis, Collimators, Staring arrays, Light sources and illumination, Reflection, Photography

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Proceedings Article | 7 June 2024 Presentation + Paper

Per-pixel radiometric calibration to silux

David Haefner, Aaron Hendrickson, Austin Richards, Martin Hübner, Bradley Preece, Brian Teaney, Stephen Burks

Proceedings Volume 13045, 1304503 (2024) https://doi.org/10.1117/12.3012326

KEYWORDS: Cameras, Quantum efficiency, Calibration, Sensors, Sensor calibration, Data modeling, Radiometric calibration, Dark current, Spectral response, Modeling

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Proceedings Article | 7 June 2024 Presentation + Paper

Developing new measurements through modeling and simulation: camera to display latency measurements

David Haefner, Aaron Hendrickson, Stephen Burks

Proceedings Volume 13045, 1304507 (2024) https://doi.org/10.1117/12.3012327

KEYWORDS: Visualization, Imaging systems, Performance modeling, Visual process modeling, Sampling rates

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Proceedings Article | 7 June 2024 Presentation + Paper

Calibrating a multi-spectral scene for objective measurements of multi-band camera systems

Allen Parker, David Haefner, Stephen Burks

Proceedings Volume 13045, 130450V (2024) https://doi.org/10.1117/12.3012766

KEYWORDS: Cameras, Calibration, Imaging systems, 3D modeling, Reflectivity, Distortion, Reflection, Sensors, Electrooptical systems, Spectral response

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Proceedings Article | 7 June 2024 Presentation + Paper

Estimating OpenCV ArUco performance from linear camera and scene parameters

Timothy Tuininga, David Haefner, Stephen Burks

Proceedings Volume 13045, 130450M (2024) https://doi.org/10.1117/12.3013041

KEYWORDS: Modulation transfer functions, Cameras, Imaging systems, Device simulation

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Proceedings Article | 7 June 2024 Presentation + Paper

Terahertz system characterization and performance modeling

Stephen Burks, Linda Marchese, David Haefner, Brian Teaney, Miles Cathers

Proceedings Volume 13045, 130450Y (2024) https://doi.org/10.1117/12.3013105

KEYWORDS: Imaging systems, Modulation transfer functions, Terahertz radiation, Performance modeling, Optical coherence, Design, Millimeter wave sensors, Image processing, Systems modeling, Millimeter wave imaging

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Proceedings Article | 14 June 2023 Presentation + Paper

A comparative study of methods to estimate conversion gain in sub-electron and multi-electron read noise regimes

Aaron Hendrickson, Dave Haefner

Proceedings Volume 12533, 125330R (2023) https://doi.org/10.1117/12.2663357

KEYWORDS: Statistical analysis, Expectation maximization algorithms, Image sensors, Electrons, Sensors, Monte Carlo methods, Photon counting, Data modeling, CMOS sensors

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Proceedings Article | 14 June 2023 Presentation + Paper

NVIPM for modeling laboratory measurements

Brian Teaney, David Haefner, Tiffany Gonzalez Hoe Bohorquez

Proceedings Volume 12533, 1253309 (2023) https://doi.org/10.1117/12.2663355

KEYWORDS: Systems modeling, Cameras, Electro optical modeling, Signal detection, Performance modeling, Spectral response, Modeling, Data modeling

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Proceedings Article | 14 June 2023 Presentation + Paper

Measurements and metrics of fixed pattern noise: a new procedure for thermal camera noise measurement

David Haefner, Stephen Burks

Proceedings Volume 12533, 125330T (2023) https://doi.org/10.1117/12.2663353

KEYWORDS: Nonuniformity corrections, Cameras, Thermal imaging cameras, Temperature metrology

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Proceedings Article | 14 June 2023 Presentation + Paper

Microbolometer bad pixel and cluster definitions through defect observations

Stephen Burks, David Haefner, Brian Teaney, Colin Rakes

Proceedings Volume 12533, 1253307 (2023) https://doi.org/10.1117/12.2662156

KEYWORDS: Diffraction, Microbolometers, Image processing, Tunable filters, Image quality, Imaging systems, Digital filtering, Staring arrays, Interpolation, Image filtering

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Proceedings Article | 14 June 2023 Presentation + Paper

Creating a calibrated scene for objective measurements of multi-band camera systems

Allen Parker, David Haefner, Stephen Burks, Jonathan Guandique

Proceedings Volume 12533, 125330Q (2023) https://doi.org/10.1117/12.2663494

KEYWORDS: Cameras, Sensors, Distortion, Imaging systems, Calibration

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Proceedings Article | 14 June 2023 Presentation + Paper

Decomposing measured noise cubes: SiTF, 3D noise, uniformity, and drift

David Haefner, Stephen Burks, Bradley Preece

Proceedings Volume 12533, 125330N (2023) https://doi.org/10.1117/12.2663351

KEYWORDS: Cameras, Temperature metrology, 3D modeling, Thermal imaging cameras, Nonuniformity corrections, Black bodies

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Proceedings Article | 27 May 2022 Presentation + Paper

System signal to noise ratio measurement for image intensified tubes

Stephen Burks, Christian Sias, David Haefner, Joshua Doe, Brian Teaney

Proceedings Volume 12106, 121060M (2022) https://doi.org/10.1117/12.2618941

KEYWORDS: Signal to noise ratio, Cameras, Imaging systems, Image transmission, Sensors, Performance modeling, Image resolution, Image processing

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Proceedings Article | 27 May 2022 Presentation + Paper

Using canonical shapes (images) for camera characterization

David Haefner, Stephen Burks, Joshua Doe

Proceedings Volume 12106, 1210605 (2022) https://doi.org/10.1117/12.2618292

KEYWORDS: Cameras, Imaging systems, Distortion, Point spread functions, Systems modeling, Convolution, Inverse problems, Target detection, Shape analysis

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Proceedings Article | 12 April 2021 Presentation + Paper

High throughput thermal camera characterization

David Haefner, Stephen Burks, Joshua Doe

Proceedings Volume 11740, 1174004 (2021) https://doi.org/10.1117/12.2586515

KEYWORDS: Cameras, Targeting Task Performance metric, Statistical analysis, Manufacturing

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Proceedings Article | 14 May 2019 Paper

Nonlinear pixel non-uniformity: emulation and correction

David Haefner

Proceedings Volume 11001, 1100104 (2019) https://doi.org/10.1117/12.2518110

KEYWORDS: Nonuniformity corrections, Sensors, Imaging systems, Infrared imaging, Staring arrays, Infrared sensors, Infrared radiation, Image processing, Systems modeling

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Proceedings Article | 14 May 2019 Paper

Range performance across the field of view of a camera

Emily Vicedomine, David Haefner, Antonio Larios Huerta

Proceedings Volume 11001, 1100108 (2019) https://doi.org/10.1117/12.2518141

KEYWORDS: Modulation transfer functions, Cameras, Collimation, Staring arrays, Imaging systems, Performance modeling, Night vision

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Proceedings Article | 14 May 2019 Paper

Through display measurement of signal intensity transfer function and noise for thermal systems

Stephen Burks, David Haefner, Joshua Doe

Proceedings Volume 11001, 110010U (2019) https://doi.org/10.1117/12.2518146

KEYWORDS: Sensors, Cameras, Interference (communication), Image processing, Filtering (signal processing), Signal processing, Displays, Analog electronics, Imaging systems, Image filtering

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Proceedings Article | 14 May 2019 Paper

Evaluating the performance of reflective band imaging systems: a tutorial

Brian Teaney, David Haefner, Joshua Doe, Stephen Burks

Proceedings Volume 11001, 1100103 (2019) https://doi.org/10.1117/12.2518607

KEYWORDS: Modulation transfer functions, Cameras, Imaging systems, Systems modeling, Performance modeling, Sensors, Targeting Task Performance metric, Data modeling, Image quality, Quantum efficiency

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Proceedings Article | 15 May 2018 Presentation

Measuring a detection sensitivity metric for non-shift invariant computational imaging systems (Conference Presentation)

Bradley Preece, David Haefner, George Nehmetallah

Proceedings Volume 10669, 106690V (2018) https://doi.org/10.1117/12.2307829

KEYWORDS: Imaging systems, Computational imaging, Computing systems, Systems modeling, Modulation transfer functions, Signal to noise ratio, Detection and tracking algorithms, Performance modeling, Optical filters, Linear filtering

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Proceedings Article | 26 April 2018 Paper

MTF measurements, identifying bias, and estimating uncertainty

David Haefner

Proceedings Volume 10625, 1062506 (2018) https://doi.org/10.1117/12.2303974

KEYWORDS: Modulation transfer functions, Imaging systems, Point spread functions, Optical transfer functions

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Proceedings Article | 26 April 2018 Paper

Evaluating the performance of an IR imaging system: a tutorial

Brian Teaney, David Haefner

Proceedings Volume 10625, 106250K (2018) https://doi.org/10.1117/12.2303975

KEYWORDS: Modulation transfer functions, Imaging systems, Cameras, Signal to noise ratio, Performance modeling, Image quality, Systems modeling, Sensors, Targeting Task Performance metric

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Proceedings Article | 26 April 2018 Presentation + Paper

Instrument for the measurement of normalized spectral response of cameras in the thermal bands

Orges Furxhi, David Haefner, Stephen Burks

Proceedings Volume 10625, 1062503 (2018) https://doi.org/10.1117/12.2306533

KEYWORDS: Cameras, Sensors, Optical filters, Black bodies, Long wavelength infrared, Mid-IR, Collimators, Integrating spheres, Imaging systems, Signal to noise ratio

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Proceedings Article | 26 April 2018 Paper

Post-optic MTF measurement using a reference optic

David Haefner, James Stevens, Michael Groenert, Stephen Burks, Miguel Snyder, Conor Dunn

Proceedings Volume 10625, 106250B (2018) https://doi.org/10.1117/12.2303972

KEYWORDS: Modulation transfer functions, Sensors, Optical testing, Infrared imaging

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Proceedings Article | 26 April 2018 Paper

Through display system uniformity

Stephen Burks, David Haefner, Joshua Doe

Proceedings Volume 10625, 1062504 (2018) https://doi.org/10.1117/12.2305430

KEYWORDS: Cameras, Calibration, Displays, Integrating spheres, Image processing, Sensors, Imaging systems, Modulation transfer functions, Eye

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Proceedings Article | 26 April 2018 Paper

On the relationships between higher and lower bit-depth system measurements

Stephen Burks, David Haefner, Joshua Doe

Proceedings Volume 10625, 106250A (2018) https://doi.org/10.1117/12.2305423

KEYWORDS: Sensors, Black bodies, Quantization, Imaging systems, Signal to noise ratio

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Proceedings Article | 3 May 2017 Paper

Power spectral density of 3D noise

David Haefner

Proceedings Volume 10178, 101780D (2017) https://doi.org/10.1117/12.2260885

KEYWORDS: Monte Carlo methods, MATLAB

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Proceedings Article | 3 May 2017 Presentation + Paper

Electro-optical field performance validation in the presence of turbulence

Stephen Burks, David Haefner, Joshua Doe

Proceedings Volume 10178, 1017802 (2017) https://doi.org/10.1117/12.2261390

KEYWORDS: Turbulence, Image processing, Electro optical modeling, Electro optics, Atmospheric turbulence, Imaging systems, Electro optical sensors, Nonlinear image processing, Process control, Performance modeling, Data modeling, Weapons, Sensors, Video, Sensor performance, Mid-IR, Eye models

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Proceedings Article | 3 May 2017 Paper

High fidelity imager emulator of measured systems

David Haefner, Brian Teaney

Proceedings Volume 10178, 101780B (2017) https://doi.org/10.1117/12.2260887

KEYWORDS: Systems modeling, Imaging systems, Performance modeling, Visual process modeling, Image analysis, Night vision systems, Interference (communication), Modulation transfer functions, Night vision, Integration, Video, Sensors, 3D modeling, Quantization, Point spread functions

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Proceedings Article | 3 May 2017 Presentation + Paper

Measuring reflective-band imaging systems for performance prediction

Andre Slonopas, Bradley Preece, David Haefner

Proceedings Volume 10178, 1017805 (2017) https://doi.org/10.1117/12.2260886

KEYWORDS: Reflectivity, Imaging systems, Modulation transfer functions, Systems modeling, Thermal modeling, Performance modeling, Visible radiation, Infrared imaging, Short wave infrared radiation, Infrared radiation, Organic light emitting diodes, Light emitting diodes, Diffraction, Spatial frequencies, Targeting Task Performance metric

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Proceedings Article | 3 May 2016 Paper

Spatially resolved 3D noise

David Haefner, Bradley Preece, Joshua Doe, Stephen Burks

Proceedings Volume 9820, 98200K (2016) https://doi.org/10.1117/12.2222905

KEYWORDS: 3D metrology, 3D modeling, 3D image processing, Imaging systems, Sensors, Nonuniformity corrections, Data modeling, Convolution, Performance modeling, Image processing

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Proceedings Article | 3 May 2016 Paper

Modeling demosaicing of color corrected cameras in the NV-IPM

David Haefner, Brian Teaney, Bradley Preece

Proceedings Volume 9820, 982009 (2016) https://doi.org/10.1117/12.2235781

KEYWORDS: Image processing, Cameras, Imaging systems, Monte Carlo methods, Sensors, Modulation transfer functions, Targeting Task Performance metric, RGB color model, Optical filters, Eye

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Proceedings Article | 3 May 2016 Paper

An imaging system detectivity metric using energy and power spectral densities

Bradley Preece, David Haefner, Georges Nehmetallah

Proceedings Volume 9820, 98200Q (2016) https://doi.org/10.1117/12.2223849

KEYWORDS: Performance modeling, Visual process modeling, Monte Carlo methods, Systems modeling, Signal to noise ratio, Target detection, Imaging systems, Sensors, Modulation transfer functions, Signal detection

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Proceedings Article | 3 May 2016 Paper

Noise measurement on thermal systems with narrow band

Stephen Burks, David Haefner, Joshua Doe

Proceedings Volume 9820, 98200W (2016) https://doi.org/10.1117/12.2224051

KEYWORDS: Imaging systems, Black bodies, Mid-IR, Temperature metrology, Sensors, Thermography, Environmental sensing, Infrared imaging, Nitrogen, Interference (communication)

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Proceedings Article | 3 May 2016 Paper

Thermal system field performance predictions from laboratory and field measurements

Stephen Burks, David Haefner, Brian Teaney, Joshua Doe

Proceedings Volume 9820, 98200U (2016) https://doi.org/10.1117/12.2224054

KEYWORDS: Sensors, Imaging systems, Modulation transfer functions, 3D metrology, Performance modeling, Data modeling, Electro optical modeling, Sensor performance, Environmental sensing, 3D modeling

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Proceedings Article | 3 May 2016 Paper

Measured system component development for the night vision integrated performance model (NV-IPM)

Brian Teaney, David Haefner

Proceedings Volume 9820, 982007 (2016) https://doi.org/10.1117/12.2224734

KEYWORDS: Systems modeling, Performance modeling, Visual process modeling, Imaging systems, Sensors, Modulation transfer functions, Interference (communication), Signal to noise ratio, Temperature metrology, 3D modeling

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Proceedings Article | 12 May 2015 Paper

Signal intensity transfer function determination on thermal systems with stray light or scattering present

Stephen Burks, David Haefner, Thomas Burks

Proceedings Volume 9452, 945206 (2015) https://doi.org/10.1117/12.2178150

KEYWORDS: Stray light, Sensors, Collimators, Signal to noise ratio, Imaging systems, Modulation transfer functions, Reflectivity, Light scattering, Scattering, Black bodies

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Proceedings Article | 12 May 2015 Paper

Blackbox imager characterization, from measurements to modeling range performance

David Haefner, Stephen Burks, Brian Teaney

Proceedings Volume 9452, 945202 (2015) https://doi.org/10.1117/12.2180386

KEYWORDS: Signal to noise ratio, Systems modeling, Interference (communication), Performance modeling, Imaging systems, Modulation transfer functions, Visual process modeling, Temperature metrology, Mid-IR, Eye models

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Proceedings Article | 12 May 2015 Paper

Custom component generation in the night vision integrated performance model

Brian Teaney, David Haefner, Stephen Burks

Proceedings Volume 9452, 94520Q (2015) https://doi.org/10.1117/12.2180249

KEYWORDS: Modulation transfer functions, Systems modeling, Contrast transfer function, Visual process modeling, Sensors, Performance modeling, Night vision, Signal processing, Integrated modeling, Transmittance

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Proceedings Article | 29 May 2014 Paper

Comparing and contrasting different broadband MTF definitions and the relationship to range performance predictions

Jonathan Hixson, David Haefner, Brian Teaney

Proceedings Volume 9071, 907105 (2014) https://doi.org/10.1117/12.2050362

KEYWORDS: Modulation transfer functions, Imaging systems, Systems modeling, Diffraction, Sensors, Performance modeling, Contrast transfer function, Visual process modeling, Modulation, Spatial frequencies

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Proceedings Article | 29 May 2014 Paper

Performance assessment of compressive sensing imaging

Todd Du Bosq, David Haefner, Bradley Preece

Proceedings Volume 9071, 90710G (2014) https://doi.org/10.1117/12.2051435

KEYWORDS: Modulation transfer functions, Cameras, Compressed sensing, Performance modeling, Image processing, Stars, Image compression, Visual process modeling, Sensors, Systems modeling

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Proceedings Article | 29 May 2014 Paper

NVLabCAP: an NVESD-developed software tool to determine EO system performance

Stephen Burks, Joshua Doe, David Haefner, Brian Teaney

Proceedings Volume 9071, 90710X (2014) https://doi.org/10.1117/12.2053582

KEYWORDS: Sensors, Modulation transfer functions, Systems modeling, Data modeling, Performance modeling, Video, Image sensors, Cameras, Software development, Imaging systems

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Proceedings Article | 29 May 2014 Paper

Color camera measurement and modeling for use in the Night Vision Integrated Performance Model (NV-IPM)

David Haefner, Jonathan Fanning, Brian Teaney, Stephen Burks

Proceedings Volume 9071, 90710I (2014) https://doi.org/10.1117/12.2050402

KEYWORDS: Modulation transfer functions, Cameras, Interference (communication), Performance modeling, Sensors, Quantum efficiency, RGB color model, Visual process modeling, Imaging systems, Systems modeling

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SPIE Journal Paper | 28 April 2014

Human vision noise model validation for the U.S. Army sensor performance metric

Bradley Preece, Jeffrey Olson, Joseph Reynolds, Jonathan Fanning, David Haefner

OE, Vol. 53, Issue 06, 061712, (April 2014) https://doi.org/10.1117/12.10.1117/1.OE.53.6.061712

KEYWORDS: Contrast transfer function, Eye, Eye models, Modulation transfer functions, Visual process modeling, Targeting Task Performance metric, Data modeling, Performance modeling, Imaging systems, Calibration

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Proceedings Article | 18 May 2012 Paper

Modeling boost performance using a two dimensional implementation of the targeting task performance metric

Bradley Preece, David Haefner, Jonathan Fanning

Proceedings Volume 8355, 83550Y (2012) https://doi.org/10.1117/12.920998

KEYWORDS: Targeting Task Performance metric, Modulation transfer functions, Interference (communication), Contrast transfer function, Image filtering, Performance modeling, Optical filters, Electronic filtering, Systems modeling, Signal to noise ratio

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Proceedings Article | 18 May 2012 Paper

Noise estimation of an MTF measurement

David Haefner, Stephen Burks

Proceedings Volume 8355, 835506 (2012) https://doi.org/10.1117/12.917723

KEYWORDS: Modulation transfer functions, Interference (communication), Signal to noise ratio, Imaging systems, Fourier transforms, Spatial frequencies, Systems modeling, Sensors, Performance modeling, 3D metrology

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Proceedings Article | 10 May 2011 Paper

Performance assessment of treating aliased signal as target-dependent noise

Bradley Preece, David Haefner

Proceedings Volume 8014, 80140H (2011) https://doi.org/10.1117/12.885216

KEYWORDS: Modulation transfer functions, Systems modeling, Targeting Task Performance metric, Performance modeling, Imaging systems, Interference (communication), Sensors, Visual process modeling, Image processing, Spatial frequencies

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Proceedings Article | 10 May 2011 Paper

Modeling human performance with low light sparse color imagers

David Haefner, Joseph Reynolds, Jae Cha, Van Hodgkin

Proceedings Volume 8014, 801404 (2011) https://doi.org/10.1117/12.885152

KEYWORDS: Sensors, Signal to noise ratio, Optical filters, RGB color model, Performance modeling, Imaging systems, Image sensors, Low light imagers, Calibration, Cameras

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