Dr. Dilworth Y. Parkinson Profile

Dr. Dilworth Y. Parkinson

Beamline Scientist at Lawrence Berkeley National Lab

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Author

Publications (10)

Proceedings Article | 17 October 2024 Presentation + Paper

Mineralized tissue of shark vertebral centra studied with microCT under in situ load

Stuart Stock, Jason Parker, Michelle Passerotti, Lisa Natanson, Dilworth Parkinson

Proceedings Volume 13152, 131520S (2024) https://doi.org/10.1117/12.3027632

KEYWORDS: Deformation, Tissues, Voxels, Synchrotrons, Image segmentation, Cartilage, X-rays, Tomography

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Proceedings Article | 17 September 2019 Presentation

Operando multimodal x-ray tomography of transport in electrochemical energy-conversion and storage devices (Conference Presentation)

Iryna Zenyuk, Andrew Shum, Emily Leonard, Vincent De Andrade, Dilworth Parkinson, Xianghui Xiao

Proceedings Volume 11113, 111130Y (2019) https://doi.org/10.1117/12.2530007

KEYWORDS: X-rays, Tomography, X-ray computed tomography, Carbon, Humidity, Liquids, 3D image processing, Synchrotrons, Polymers, Physical phenomena

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Proceedings Article | 8 June 2018 Presentation + Paper

Achieving fast high-resolution 3D imaging by combining synchrotron x-ray microCT, advanced algorithms, and high performance data management

Dilworth Parkinson, Joseph Pacold, Miela Gross, Tristan McDougall, Chandler Jones, John Bows, Ian Hamilton, Danil Smiles, Stefano De Santis, Alessandro Ratti, Daniël Pelt, James Sethian, Harold Barnard, Joshua Peterson, Alvaro Ramirez-Hong, Alastair MacDowell, David Shuh

Proceedings Volume 10656, 106560S (2018) https://doi.org/10.1117/12.2307272

KEYWORDS: Image quality, Tomography, Cameras, X-rays, Image segmentation, Neural networks, Stereoscopy, Synchrotrons, Synchrotron x-ray imaging, X-ray imaging

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Proceedings Article | 26 September 2017 Presentation + Paper

Machine learning for micro-tomography

Dilworth Parkinson, Daniël Pelt, Talita Perciano, Daniela Ushizima, Harinarayan Krishnan, Harold Barnard, Alastair MacDowell, James Sethian

Proceedings Volume 10391, 103910J (2017) https://doi.org/10.1117/12.2274731

KEYWORDS: Machine learning, Image segmentation, Neural networks, Image retrieval, Nonlinear filtering, Cameras, Tomography, Data modeling, Image quality, Image visualization

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Proceedings Article | 3 October 2016 Paper

Developments in synchrotron x-ray micro-tomography for in-situ materials analysis at the Advanced Light Source

Harold Barnard, A. MacDowell, D. Parkinson, S. Venkatakrishnan, F. Panerai, N. Mansour

Proceedings Volume 9967, 99671H (2016) https://doi.org/10.1117/12.2238305

KEYWORDS: Tomography, Synchrotrons, X-rays, Light sources, Imaging systems, Cameras, Reconstruction algorithms, Microscopes, Scintillators, Carbon

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Proceedings Article | 17 September 2014 Paper

Reflection on multilayer mirrors: beam profile and coherence properties

A. Rack, C. Morawe, L. Mancini, D. Dreossi, D. Parkinson, A. MacDowell, F. Siewert, T. Rack, T. Holz, M. Krämer, R. Dietsch

Proceedings Volume 9207, 92070V (2014) https://doi.org/10.1117/12.2060801

KEYWORDS: Multilayers, Mirrors, Wavefronts, Reflection, X-rays, Light sources, Monochromators, Silicon, Reflectivity, Crystals

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Proceedings Article | 12 September 2014 Paper

High performance data management and analysis for tomography

Justin Blair, Richard Canon, Jack Deslippe, Abdelilah Essiari, Alexander Hexemer, Alastair MacDowell, Dilworth Parkinson, Simon Patton, Lavanya Ramakrishnan, Nobumichi Tamura, Brian Tierney, Craig Tull

Proceedings Volume 9212, 92121G (2014) https://doi.org/10.1117/12.2069862

KEYWORDS: Databases, Tomography, Data archive systems, Visualization, Data storage, Computing systems, Reconstruction algorithms, Light sources, Hard x-rays, Data processing

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Proceedings Article | 17 October 2012 Paper

X-ray micro-tomography at the Advanced Light Source

A. MacDowell, D. Parkinson, A. Haboub, E. Schaible, J. Nasiatka, C. Yee, J. Jameson, J. Ajo-Franklin, C. Brodersen, A. McElrone

Proceedings Volume 8506, 850618 (2012) https://doi.org/10.1117/12.930243

KEYWORDS: Cameras, X-rays, Monochromators, Scintillators, Image resolution, Tomography, Spatial resolution, Light sources, Carbon dioxide, Crystals

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Proceedings Article | 15 October 2012 Paper

Coded aperture imaging for fluorescent x-rays

A. Haboub, A. MacDowell, S. Marchesini, D. Parkinson

Proceedings Volume 8502, 850209 (2012) https://doi.org/10.1117/12.981244

KEYWORDS: Coded apertures, Coded aperture imaging, X-rays, Sensors, Algorithm development, X-ray imaging, Modulation transfer functions, Charge-coupled devices, Spatial resolution, X-ray detectors

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Proceedings Article | 13 September 2011 Paper

Statistical segmentation and porosity quantification of 3D x-ray microtomography

Daniela Ushizima, Dilworth Parkinson, Peter Nico, Jonathan Ajo-Franklin, Alastair MacDowell, Benjamin Kocar, Wes Bethel, James Sethian

Proceedings Volume 8135, 813502 (2011) https://doi.org/10.1117/12.892809

KEYWORDS: Image segmentation, Image filtering, Digital filtering, 3D image processing, Solids, X-rays, Image processing algorithms and systems, 3D modeling, Filtering (signal processing), Image processing

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Showing 5 of 10 publications

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