Mr. Joseph N. Zalameda Profile

Joseph N. Zalameda

Electronics Engineer at NASA Langley Research Ctr

SPIE Involvement:

Conference Program Committee | Author | Editor

Publications (43)

Proceedings Article | 7 June 2024 Presentation + Paper

Thermal inspection of low emissivity surfaces using a pulsed light emitting diodes (PLED) heat source

Joseph Zalameda, Peter Spaeth, Samuel J. Hocker

Proceedings Volume 13047, 1304716 (2024) https://doi.org/10.1117/12.3016162

KEYWORDS: Inspection, Organic light emitting diodes, Emissivity, Aluminum, Infrared cameras, Image processing, Light emitting diodes, Thermography, Cameras, Reflection

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Proceedings Article | 7 June 2024 Presentation + Paper

Bond thickness estimation in composite structures using multiple inspection techniques

Peter Spaeth, Matthew Webster, Joseph Zalameda

Proceedings Volume 13047, 130470H (2024) https://doi.org/10.1117/12.3016309

KEYWORDS: Thermography, Inspection, Thermal modeling, Ultrasonography, Aluminum, Nondestructive evaluation, Composites

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Proceedings Article | 7 June 2024 Presentation + Paper

Near-infrared in-situ measurements for the detection of keyhole porosity in autogenous Ti-6Al-4V welds

Joseph Zalameda, Samuel J. Hocker, Peter Spaeth, Brandon Widener

Proceedings Volume 13047, 130470X (2024) https://doi.org/10.1117/12.3014612

KEYWORDS: Cameras, Near infrared, Porosity, Inspection, Nondestructive evaluation, Principal component analysis, Covariance matrices, Computed tomography, Image processing, Additive manufacturing

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Proceedings Article | 9 May 2024 Presentation + Paper

Assessment of segmentation-induced deviations of porosity metrics in powder bed fusion additively manufactured components

Peter Spaeth, Erik Frankforter, Samuel Hocker, Joseph Zalameda

Proceedings Volume 12950, 1295003 (2024) https://doi.org/10.1117/12.3010907

KEYWORDS: X-rays, Image segmentation, Porosity, X-ray computed tomography, X-ray imaging, Education and training, Image registration, Cross validation, Additive manufacturing

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Proceedings Article | 12 June 2023 Presentation + Paper

Flash thermal diffusivity measurements and inspection of additively manufactured Ti-6Al-4V specimens with varying process parameters

Joseph Zalameda, Samuel J. A. Hocker, Erik Frankforter, Peter Spaeth, Andrew Kitahara

Proceedings Volume 12536, 1253608 (2023) https://doi.org/10.1117/12.2663546

KEYWORDS: Inspection, Porosity, X-rays, X-ray computed tomography, Image fusion, Lamps, Data modeling, Additive manufacturing, Thermography, X-ray imaging

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Proceedings Article | 12 June 2023 Presentation + Paper

Composite bond line measurements based on a Bayesian analysis of flash thermography data

Peter Spaeth, Joseph Zalameda, James Bisgard, Tyler Hudson, Rodolfo Ledesma, Ricardo Huertas

Proceedings Volume 12536, 125360G (2023) https://doi.org/10.1117/12.2662824

KEYWORDS: Thermography, Thermal modeling, Composites, Adhesives, Data modeling, Infrared cameras, Inverse problems

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Proceedings Article | 27 May 2022 Presentation + Paper

Comparison of in-situ near infrared melt pool imagery to optical microscopy measurements

Joseph Zalameda, Samuel Hocker, Wesley Tayon, Joshua Fody, Brodan Richter

Proceedings Volume 12109, 1210902 (2022) https://doi.org/10.1117/12.2621037

KEYWORDS: Cameras, Optical microscopy, Near infrared, Sensors, Laser scanners, Calibration, Optical testing, Image filtering, Black bodies, Metals

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Proceedings Article | 27 May 2022 Paper

Active thermography based on tensor rank decomposition

Peter Spaeth, Joseph Zalameda, Peter Takunju

Proceedings Volume 12109, 121090O (2022) https://doi.org/10.1117/12.2618446

KEYWORDS: Thermography, Thermal modeling, Data modeling, Matrices, Inspection, Data compression, Systems modeling, Vector spaces

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Proceedings Article | 12 April 2021 Presentation + Paper

Melt pool imaging using a configurable architecture additive testbed system

Joseph Zalameda, Samuel J. Hocker, Joshua Fody, Wesley Tayon

Proceedings Volume 11743, 117430E (2021) https://doi.org/10.1117/12.2585791

KEYWORDS: Imaging systems, Laser welding, Near infrared, Cameras, Additive manufacturing, Temperature metrology, Process modeling, Titanium, Thermal modeling, Sensors

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Proceedings Article | 12 April 2021 Presentation

Welcome and Introduction to SPIE Conference 11743

Joseph Zalameda

Proceedings Volume 11743, 1174302 (2021) https://doi.org/10.1117/12.2597664

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Proceedings Article | 12 April 2021 Presentation

Estimation of delamination contact resistance in composites

William Winfree, Joseph Zalameda, Patricia Howell

Proceedings Volume 11743, 117430K (2021) https://doi.org/10.1117/12.2587633

KEYWORDS: Resistance, Composites, Computed tomography, Thermal modeling, Data acquisition, Computer simulations, 3D modeling

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Proceedings Article | 4 May 2020 Presentation + Paper

Quadrupole simulations of three-dimensional structures

William Winfree, Joseph Zalameda, Patricia Howell

Proceedings Volume 11409, 114090K (2020) https://doi.org/10.1117/12.2557417

KEYWORDS: Finite element methods, Resistance, Interfaces, Inspection, Diffusion, Composites, Thermography, Matrices, Chemical elements, Heat flux

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Proceedings Article | 28 April 2020 Presentation + Paper

Acquisition and processing of passive thermography fatigue test data

Joseph Zalameda, Wade Jackson

Proceedings Volume 11409, 114090R (2020) https://doi.org/10.1117/12.2557435

KEYWORDS: Thermography, Composites, Image processing, Inspection, Ultrasonics, Infrared cameras, Thermal modeling, Nondestructive evaluation, Data modeling

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Proceedings Article | 2 May 2019 Presentation + Paper

Quadrupole simulations of thermographic inspections of impacted composites

William Winfree, Joseph Zalameda, Patricia Howell

Proceedings Volume 11004, 110040F (2019) https://doi.org/10.1117/12.2520281

KEYWORDS: Composites, Computed tomography, Thermography, Inspection, X-ray computed tomography

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Proceedings Article | 2 May 2019 Presentation + Paper

Estimation of delamination crack depth using passive thermography

Joseph Zalameda, Wade Jackson, Cheryl Rose

Proceedings Volume 11004, 110040E (2019) https://doi.org/10.1117/12.2520390

KEYWORDS: Thermography, Data modeling, Composites, Thermal modeling, Inspection, X-rays, Infrared cameras, X-ray computed tomography, Ultrasonics, Interfaces

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Proceedings Article | 14 May 2018 Paper

Real time detection of damage during quasi-static loading of a single stringer panel using passive thermography

Joseph Zalameda, Michael Horne

Proceedings Volume 10661, 106610H (2018) https://doi.org/10.1117/12.2305613

KEYWORDS: Thermography, Acoustic emission, Inspection, Infrared cameras, Composites, Sensors, Nondestructive evaluation, Image processing, Ultrasonography

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Proceedings Article | 14 May 2018 Presentation + Paper

Second harmonic passive thermography generated by cyclic loading in composites

William Winfree, Joseph Zalameda , Elizabeth Gregory

Proceedings Volume 10661, 106610I (2018) https://doi.org/10.1117/12.2304048

KEYWORDS: Thermography, Composites, Ultrasonics, Thermal modeling, Diffusion, Fiber reinforced polymers, Temperature metrology, Data acquisition, Phase measurement, Chemical elements

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Proceedings Article | 5 May 2017 Presentation + Paper

Thermal inspection of a composite fuselage section using a fixed eigenvector principal component analysis method

Joseph Zalameda, Sean Bolduc, Rebecca Harman

Proceedings Volume 10214, 102140H (2017) https://doi.org/10.1117/12.2264093

KEYWORDS: Image processing, Infrared cameras, Inspection, Composites, Principal component analysis, Nondestructive evaluation, Thermography, Carbon, Data processing, Defect detection, Infrared radiation

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Proceedings Article | 5 May 2017 Presentation + Paper

Application of the quadrupole method for simulation of passive thermography

William Winfree, Joseph Zalameda, Elizabeth Gregory

Proceedings Volume 10214, 102140Y (2017) https://doi.org/10.1117/12.2264946

KEYWORDS: Convection, Interfaces, Multilayers, Inspection, Fiber reinforced polymers, Nondestructive evaluation, 3D modeling, Computer simulations, Thermography, Composites, Thermal modeling, Data modeling, Data acquisition, Infrared radiation, Infrared materials

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Proceedings Article | 11 May 2016 Paper

In-process thermal imaging of the electron beam freeform fabrication process

Karen Taminger, Christopher Domack, Joseph Zalameda, Brian Taminger, Robert Hafley, Eric Burke

Proceedings Volume 9861, 986102 (2016) https://doi.org/10.1117/12.2222439

KEYWORDS: Additive manufacturing, Electron beams, Thermography, Metals, Imaging systems, Near infrared, Cameras, Sensors, Short wave infrared radiation, CCD cameras

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Proceedings Article | 11 May 2016 Paper

Simulation of thermographic responses of delaminations in composites with quadrupole method

William Winfree, Joseph Zalameda, Patricia Howell, K. Elliott Cramer

Proceedings Volume 9861, 98610N (2016) https://doi.org/10.1117/12.2221994

KEYWORDS: Composites, Thermography, Interfaces, Data modeling, Computer simulations, Resistance, Chemical elements, Finite element methods, Computed tomography, Solids

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Proceedings Article | 11 May 2016 Paper

Combining passive thermography and acoustic emission for large area fatigue damage growth assessment of a composite structure

Joseph Zalameda, Michael Horne, Eric Madaras, Eric Burke

Proceedings Volume 9861, 98610G (2016) https://doi.org/10.1117/12.2220402

KEYWORDS: Acoustic emission, Thermography, Composites, Acoustics, Image processing, Distortion, Inspection, Infrared cameras, Sensors, Cameras

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Proceedings Article | 12 May 2015 Paper

Principal component analysis of thermographic data

William Winfree, K. Elliott Cramer, Joseph Zalameda, Patricia Howell, Eric Burke

Proceedings Volume 9485, 94850S (2015) https://doi.org/10.1117/12.2176285

KEYWORDS: Principal component analysis, Composites, Data modeling, Inspection, Thermal modeling, Thermography, Resistance, Data acquisition, Nondestructive evaluation, Data processing

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Proceedings Article | 12 May 2015 Paper

Measurement of flaw size from thermographic data

William Winfree, Joseph Zalameda, Patricia Howell

Proceedings Volume 9485, 94850D (2015) https://doi.org/10.1117/12.2176292

KEYWORDS: Composites, Chemical elements, Convolution, Image processing, Finite element methods, Computed tomography, Thermography, Binary data, Time metrology, Error analysis

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Proceedings Article | 12 May 2015 Paper

Real time fatigue damage growth assessment of a composite three-stringer panel using passive thermography

Joseph Zalameda, Eric Burke, Michael Horne, James Bly

Proceedings Volume 9485, 948502 (2015) https://doi.org/10.1117/12.2177719

KEYWORDS: Thermography, Inspection, Infrared cameras, Composites, Acoustic emission, Cameras, Image processing, Ultrasonics, Sensors, Ultrasonography

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Proceedings Article | 21 May 2014 Paper

Thermal inspection of composite honeycomb structures

Joseph Zalameda, F. Raymond Parker

Proceedings Volume 9105, 91050C (2014) https://doi.org/10.1117/12.2052938

KEYWORDS: Composites, Thermography, Inspection, Thermal modeling, Adhesives, Principal component analysis, X-ray computed tomography, Aluminum, Finite element methods, Nondestructive evaluation

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Proceedings Article | 21 May 2014 Paper

Computational reduction of specimen noise to enable improved thermography characterization of flaws in graphite polymer composites

William Winfree, Patricia Howell, Joseph Zalameda

Proceedings Volume 9105, 91050O (2014) https://doi.org/10.1117/12.2051356

KEYWORDS: Composites, Thermography, Inspection, Polymers, Data acquisition, Infrared imaging, Radon, Infrared radiation, Image processing, Nondestructive evaluation

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Proceedings Article | 22 May 2013 Paper

Thermal imaging for assessment of electron-beam freeform fabrication (EBF3) additive manufacturing deposits

Joseph Zalameda, Eric Burke, Robert Hafley, Karen Taminger, Christopher Domack, Amy Brewer, Richard Martin

Proceedings Volume 8705, 87050M (2013) https://doi.org/10.1117/12.2018233

KEYWORDS: Near infrared, Cameras, Additive manufacturing, Electron beams, Neodymium, Nondestructive evaluation, Calibration, Solids, Control systems, Image quality

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Proceedings Article | 18 May 2012 Paper

Thermographic imaging of the space shuttle during re-entry using a near-infrared sensor

Joseph Zalameda, Thomas Horvath, Robbie Kerns, Eric Burke, Jeff Taylor, Tom Spisz, David Gibson, Edward Shea, C. David Mercer, Richard Schwartz, Steve Tack, Brett Bush, Ronald Dantowitz, Marek Kozubal

Proceedings Volume 8354, 83540F (2012) https://doi.org/10.1117/12.918127

KEYWORDS: Near infrared, Image analysis, Imaging systems, Image resolution, Calibration, Thermography, Vignetting, Signal attenuation, Data modeling, Image processing

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Proceedings Article | 18 May 2012 Paper

Processing ground-based near-infrared imagery of space shuttle re-entries

Thomas Spisz, Jeff Taylor, Stephen Kennerly, Kwame Osei-Wusu, David Gibson, Thomas Horvath, Joseph Zalameda, Robert Kerns, Edward Shea, C. David Mercer, Richard Schwartz, Ronald Dantowitz, Marek Kozubal

Proceedings Volume 8354, 83540G (2012) https://doi.org/10.1117/12.919232

KEYWORDS: Calibration, Image quality, Image processing, Sensors, Data modeling, Image enhancement, Temperature metrology, Black bodies, Signal to noise ratio, Near infrared

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Proceedings Article | 18 May 2012 Paper

Thermography inspection for early detection of composite damage in structures during fatigue loading

Joseph Zalameda, Eric Burke, F. Raymond Parker, Jeff Seebo, Christopher Wright, James Bly

Proceedings Volume 8354, 835403 (2012) https://doi.org/10.1117/12.918126

KEYWORDS: Composites, Inspection, Thermography, Nondestructive evaluation, Ultrasonics, Data acquisition, Thermal modeling, X-rays, Neodymium, Structural analysis

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Proceedings Article | 10 May 2011 Paper

Improved flaw detection and characterization with difference thermography

William Winfree, Joseph Zalameda, Patricia Howell

Proceedings Volume 8013, 80130U (2011) https://doi.org/10.1117/12.883472

KEYWORDS: Composites, Thermography, Image registration, Resistance, Polymers, Infrared radiation, Infrared imaging, Thermal modeling, Data acquisition, Inspection

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Proceedings Article | 4 May 2010 Paper

Processing near-infrared imagery of hypersonic space shuttle reentries

Thomas Spisz, Jeff Taylor, David Gibson, Kwame Osei-Wusu, Thomas Horvath, Joseph Zalameda, Deborah Tomek, Alan Tietjen, Steve Tack, Richard Schwartz

Proceedings Volume 7661, 76610I (2010) https://doi.org/10.1117/12.849741

KEYWORDS: Image quality, Image processing, Sensors, Image registration, Calibration, Thermography, Temperature metrology, Transmittance, Turbulence, Signal to noise ratio

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Proceedings Article | 6 May 2009 Paper

Application of air-coupled acoustic thermography (ACAT) for inspection of honeycomb sandwich structures

Joseph Zalameda, William Winfree, Charles Pergantis, Daniel DeSchepper, David Flanagan

Proceedings Volume 7299, 72990R (2009) https://doi.org/10.1117/12.819493

KEYWORDS: Acoustics, Inspection, Thermography, Skin, Composites, Thermal modeling, Imaging systems, Aluminum, Adhesives, Sensors

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Proceedings Article | 18 April 2006 Paper

Signal to noise studies on thermographic data with fabricated defects for defense structures

Joseph Zalameda, Nik Rajic, Marc Genest

Proceedings Volume 6205, 620518 (2006) https://doi.org/10.1117/12.669134

KEYWORDS: Signal to noise ratio, Principal component analysis, Composites, Inspection, Aluminum, Thermography, Image processing, Defense and security, Nondestructive evaluation, Infrared cameras

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Proceedings Article | 28 March 2005 Paper

Compression techniques for improved algorithm computational performance

Joseph Zalameda, Patricia Howell, William Winfree

Proceedings Volume 5782, (2005) https://doi.org/10.1117/12.609024

KEYWORDS: Principal component analysis, Inspection, Data modeling, Image compression, Composites, Signal to noise ratio, Nondestructive evaluation, Temperature metrology, Data processing, Image processing

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Proceedings Article | 12 April 2004 Paper

Improved sampling of thermal transients using focal plane array infrared imagers

Joseph Zalameda, William Winfree

Proceedings Volume 5405, (2004) https://doi.org/10.1117/12.547453

KEYWORDS: Data modeling, Infrared cameras, Cameras, Aluminum, Staring arrays, Thermography, Inspection, Thermal modeling, Temperature metrology, Lamps

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Proceedings Article | 10 November 2003 Paper

Computational analysis for thermal NDE of composites

Patricia Howell, Joseph Zalameda

Proceedings Volume 5191, (2003) https://doi.org/10.1117/12.507800

KEYWORDS: Nondestructive evaluation, Microbolometers, Diffusion, Cameras, Detection and tracking algorithms, Composites, Anisotropic diffusion, Inspection, Infrared cameras, Staring arrays

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Proceedings Article | 1 April 2003 Paper

A comparison of image processing algorithms for thermal nondestructive evaluation

Joseph Zalameda, Nikolas Rajic, William Winfree

Proceedings Volume 5073, (2003) https://doi.org/10.1117/12.485869

KEYWORDS: Signal to noise ratio, Thermography, Thermal modeling, Image processing, Principal component analysis, Nondestructive evaluation, Algorithm development, Camera shutters, Inspection, Data modeling

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Proceedings Article | 1 April 2003 Paper

Thermographic determination of delamination depth in composites

William Winfree, Joseph Zalameda

Proceedings Volume 5073, (2003) https://doi.org/10.1117/12.485866

KEYWORDS: Composites, Thermal modeling, Resistance, Camera shutters, Data modeling, Imaging systems, Lamps, Thermography, Diffusion, Calibration

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Proceedings Article | 15 March 2002 Paper

Single-sided thermal diffusivity imaging in composites with a shuttered thermographic inspection system

William Winfree, Joseph Zalameda

Proceedings Volume 4710, (2002) https://doi.org/10.1117/12.459604

KEYWORDS: Imaging systems, Camera shutters, Composites, Lamps, Infrared imaging, Infrared radiation, Thermography, Resistance, Head, Optical spheres

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Proceedings Article | 15 March 2002 Paper

Quantitative thermal nondestructive evaluation using an uncooled microbolometer infrared camera

Joseph Zalameda, William Winfree

Proceedings Volume 4710, (2002) https://doi.org/10.1117/12.459614

KEYWORDS: Microbolometers, Infrared cameras, Cameras, Thermal effects, Lamps, Camera shutters, Sensors, Inspection, Nondestructive evaluation, Staring arrays

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Proceedings Article | 23 March 2001 Paper

Synchronized electronic shutter system (SESS) for thermal nondestructive evaluation

Joseph Zalameda

Proceedings Volume 4360, (2001) https://doi.org/10.1117/12.421044

KEYWORDS: Camera shutters, Lamps, Image processing, Inspection, Cameras, Thermography, Infrared cameras, Corrosion, Aluminum, Nondestructive evaluation

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