Dr. David P. Haefner Profile

Dr. David P. Haefner

Publications (42)

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 | 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 | 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

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 | 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 | 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 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 | 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 | 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 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 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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