Ms. Laura Mascio Kegelmeyer Profile

Laura Mascio Kegelmeyer

Electrical Engineer at Lawrence Livermore National Lab

SPIE Involvement:

Author

Publications (22)

Proceedings Article | 18 December 2024 Presentation + Paper

Combinatorial optimization methods for damage mitigation on National Ignition Facility final optics

Vade Shah, Chris Miller, Laura Kegelmeyer, Scott Trummer

Proceedings Volume 13190, 131900F (2024) https://doi.org/10.1117/12.3032780

KEYWORDS: National Ignition Facility, Laser systems engineering, Laser optics, Laser energy, Laser ablation, Beam diameter

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Proceedings Article | 2 December 2022 Presentation + Paper

An automated damage inspection microscopy system for National Ignition Facility optics

Christopher Miller, David Cross, Joshua Senecal, Raelyn Clark, Connor Amorin, Laura Kegelmeyer, Christopher Carr, Ernest Truscott

Proceedings Volume 12300, 1230007 (2022) https://doi.org/10.1117/12.2642181

KEYWORDS: Optics, National Ignition Facility, Inspection, Microscopy, Photomicroscopy, Laser induced damage, Image analysis, Image resolution, Decision trees, Silica

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Proceedings Article | 19 October 2021 Presentation

Practical guide to machine learning for managing Laser Damage

Laura Mascio-Kegelmeyer

Proceedings Volume 11910, 119100C (2021) https://doi.org/10.1117/12.2618345

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Proceedings Article | 11 September 2020 Presentation

Machine learning for managing damage on NIF optics

Laura Mascio-Kegelmeyer

Proceedings Volume 11514, 1151409 (2020) https://doi.org/10.1117/12.2571016

KEYWORDS: Machine learning, National Ignition Facility, Optical inspection, Inspection, Silica, Time metrology, Image analysis

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Proceedings Article | 16 November 2018 Paper

Characterization and repair of small damage sites and their impact on the lifetime of fused silica optics on the National Ignition Facility

Christopher Miller, Laura Kegelmeyer, Mike Nostrand, Rajesh Raman, David Cross, Zhi Liao, Raminder Garcha, Christopher Carr

Proceedings Volume 10805, 108051D (2018) https://doi.org/10.1117/12.2501839

KEYWORDS: National Ignition Facility, Silica, Image classification, Classification systems, Machine learning, Microscopy, Convolutional neural networks, Image resolution, Particles, Laser systems engineering

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Proceedings Article | 16 November 2018 Paper

Automated repair of laser damage on National Ignition Facility optics using machine learning

S. Trummer, G. Larkin, L. Kegelmeyer, M. Nostrand, C. Karkazis, D. Martin, R. Aboud, T. Suratwala

Proceedings Volume 10805, 108050L (2018) https://doi.org/10.1117/12.2501826

KEYWORDS: Inspection, National Ignition Facility, Laser induced damage, Machine learning, Image quality, Video, Image analysis, Data modeling, Silica, Databases

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Proceedings Article | 14 May 2017 Paper

Deep learning for evaluating difficult-to-detect incomplete repairs of high fluence laser optics at the National Ignition Facility

T. Nathan Mundhenk, Laura Kegelmeyer, Scott Trummer

Proceedings Volume 10338, 103380H (2017) https://doi.org/10.1117/12.2264000

KEYWORDS: Laser optics, National Ignition Facility, Process control, Neural networks, Visualization, RGB color model, Image classification, Fusion energy, Inspection, Machine learning, Video, Image processing

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Proceedings Article | 20 February 2013 Paper

Image processing methods for characterizing cryogenic target quality during ice layer formation at the National Ignition Facility (NIF)

Richard Leach, John Field, Laura Mascio-Kegelmeyer, Bernie Kozioziemski, Tanza Lee, Evan Mapoles, Randy Roberts, Rebecca Dylla-Spears, Tayyab Suratwala

Proceedings Volume 8602, 86020H (2013) https://doi.org/10.1117/12.2009413

KEYWORDS: Image segmentation, National Ignition Facility, Image quality, Image processing, Cryogenics, X-rays, Image registration, Solids, X-ray imaging, Crystals

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Proceedings Article | 2 December 2010 Paper

Effective and efficient optics inspection approach using machine learning algorithms

Ghaleb Abdulla, Laura Mascio Kegelmeyer, Zhi Liao, Wren Carr

Proceedings Volume 7842, 78421D (2010) https://doi.org/10.1117/12.867648

KEYWORDS: Machine learning, Inspection, Optical inspection, Data modeling, Image analysis, Image processing, Reflection, Data mining, National Ignition Facility, Signal processing

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Proceedings Article | 8 September 2010 Paper

Final optics damage inspection (FODI) for the National Ignition Facility

Alan Conder, Jim Chang, Laura Kegelmeyer, Mary Spaeth, Pam Whitman

Proceedings Volume 7797, 77970P (2010) https://doi.org/10.1117/12.862596

KEYWORDS: National Ignition Facility, Inspection, Optical inspection, Laser induced damage, Fusion energy, Pulsed laser operation, Radio optics, Image analysis, Laser energy, Telescopes

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Proceedings Article | 31 December 2009 Paper

Process for rapid detection of fratricidal defects on optics using linescan phase-differential imaging

Frank Ravizza, Michael Nostrand, Laura Kegelmeyer, Ruth Hawley, Michael Johnson

Proceedings Volume 7504, 75041B (2009) https://doi.org/10.1117/12.836990

KEYWORDS: Light sources, Sensors, Line scan image sensors, Optical testing, Cameras, Image analysis, Data modeling, Light scattering, Laser induced damage, Image processing

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Proceedings Article | 1 September 2009 Paper

Signal and image processing research at the Lawrence Livermore National Laboratory

Randy Roberts, Lisa Poyneer, Laura Kegelmeyer, Carmen Carrano, David Chambers, James Candy

Proceedings Volume 7442, 744207 (2009) https://doi.org/10.1117/12.830916

KEYWORDS: Adaptive optics, Signal processing, Image processing, Imaging systems, National Ignition Facility, Point spread functions, Gemini Planet Imager, Spatial frequencies, Inspection, Atmospheric modeling

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Proceedings Article | 30 December 2008 Paper

Defect classification using machine learning

Adra Carr, L. Kegelmeyer, Z. Liao, G. Abdulla, D. Cross, W. Kegelmeyer, F. Ravizza, C. Carr

Proceedings Volume 7132, 713210 (2008) https://doi.org/10.1117/12.817418

KEYWORDS: Machine learning, Laser induced damage, Silica, National Ignition Facility, Signal to noise ratio, Microscopes, Inspection, Cameras, Distance measurement, Gas lasers

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Proceedings Article | 30 December 2008 Paper

The HMDS coating flaw removal tool

M. Monticelli, M. Nostrand, N. Mehta, L. Kegelmeyer, Mike Johnson, J. Fair, C. Widmayer

Proceedings Volume 7132, 71320V (2008) https://doi.org/10.1117/12.804458

KEYWORDS: Coating, Head-mounted displays, Modulation, National Ignition Facility, Geometrical optics, Head, Particles, Laser induced damage, Confocal microscopy, Laser optics

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Proceedings Article | 20 December 2007 Paper

Final optics damage inspection (FODI) for the National Ignition Facility

Alan Conder, Terry Alger, Stephen Azevedo, Jim Chang, Steven Glenn, Laura Kegelmeyer, Judith Liebman, Mary Spaeth, Pam Whitman

Proceedings Volume 6720, 672010 (2007) https://doi.org/10.1117/12.759131

KEYWORDS: National Ignition Facility, Inspection, Optical inspection, Laser induced damage, Fusion energy, Image analysis, Pulsed laser operation, Crystals, Integrated optics, Image acquisition

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Proceedings Article | 24 September 2007 Paper

Local area signal-to-noise ratio (LASNR) algorithm for image segmentation

Laura Mascio Kegelmeyer, Philip Fong, Steven Glenn, Judith Liebman

Proceedings Volume 6696, 66962H (2007) https://doi.org/10.1117/12.732493

KEYWORDS: Signal to noise ratio, Image segmentation, Interference (communication), Inspection, National Ignition Facility, Image processing algorithms and systems, Optical inspection, MATLAB, Gaussian filters, Boxcar filters

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Proceedings Article | 23 February 2006 Paper

Detection of laser optic defects using gradient direction matching

Barry Chen, Laura Kegelmeyer, Judith Liebman, J. Thaddeus Salmon, Jack Tzeng, David Paglieroni

Proceedings Volume 6101, 61011L (2006) https://doi.org/10.1117/12.659867

KEYWORDS: Diffraction, National Ignition Facility, Detection and tracking algorithms, Laser scattering, Scattering, Defect detection, Image processing, Laser optics, Inspection, Optical inspection

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Proceedings Article | 4 June 2001 Paper

Groundtruth approach to accurate quantitation of fluorescence microarrays

Laura Kegelmeyer, Lisa Tomascik-Cheeseman, Melinda Burnett, Paul van Hummelen, Andrew Wyrobek

Proceedings Volume 4266, (2001) https://doi.org/10.1117/12.427998

KEYWORDS: Image analysis, Image segmentation, Control systems, Luminescence, Calibration, Error analysis, Cameras, Image processing, Imaging systems, Glasses

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Proceedings Article | 7 May 1996 Paper

Effect of nonablative laser energy on joint capsular properties: an in-vitro study using a rabbit model

Kei Hayashi, Mark Markel, George Thabit, John Bogdanske, Robert Thielke, A. Cooley, Arthur Vailas, Laura Mascio, Ray Vanderby

Proceedings Volume 2681, (1996) https://doi.org/10.1117/12.239604

KEYWORDS: Laser energy, Collagen, Laser tissue interaction, In vitro testing, Tissues, Medicine, Laser therapeutics, Holmium, Transmission electron microscopy, Analytical research

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Proceedings Article | 14 September 1993 Paper

Automated analysis for microcalcifications in high-resolution digital mammograms

Laura Kegelmeyer, John Hernandez, Clinton Logan

Proceedings Volume 1898, (1993) https://doi.org/10.1117/12.154533

KEYWORDS: Mammography, Image processing, Digital mammography, Algorithm development, Image segmentation, Biological research, Breast cancer, Computer aided design, Computing systems, X-ray technology

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Proceedings Article | 1 July 1990 Paper

Automatic segmentation and measurement of cells in 3-D

Laura Mascio, Damir Sudar

Proceedings Volume 1206, (1990) https://doi.org/10.1117/12.17810

KEYWORDS: 3D image processing, 3D metrology, Image segmentation, Confocal microscopy, Signal detection, Image processing, Microscopes, Analytical research, Data acquisition

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