Dr. Ivan Vazquez Profile

Dr. Ivan Vazquez

Postdoctoral Fellow

SPIE Involvement:

Author

Area of Expertise:

Phase Contrast Imaging , Photon Counting Detectors , Inverse Problems , Near Surface Geophysics

Publications (3)

Proceedings Article | 16 March 2020 Presentation + Paper

Low dose and high SNR phase retrieval and micro CT using a wide area photon counting detector

Ian Harmon, Ivan Vazquez, Mini Das

Proceedings Volume 11312, 113121C (2020) https://doi.org/10.1117/12.2550548

KEYWORDS: Sensors, Phase retrieval, Absorption, Signal to noise ratio, Photon counting, Phase contrast, Computed tomography, Signal attenuation, X-rays, Algorithm development

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Proceedings Article | 3 April 2019 Paper

Quantitative phase retrieval of heterogeneous samples from spectral x-ray measurements

Ivan Vazquez, Nathaniel Fredette, Mini Das

Proceedings Volume 10948, 109484R (2019) https://doi.org/10.1117/12.2513513

KEYWORDS: Phase retrieval, Data acquisition, Photon counting, Sensors, Free space, Coded apertures, Tissues, Bone, Polymethylmethacrylate, Aluminum

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Proceedings Article | 13 March 2019 Paper

Contribution of scatter and beam hardening to phase contrast imaging

Cale Lewis, Ivan Vazquez, Stefano Vespucci, Mini Das

Proceedings Volume 10948, 109485G (2019) https://doi.org/10.1117/12.2513512

KEYWORDS: Sensors, Phase contrast, X-rays, Absorption, Signal attenuation, Polymethylmethacrylate, X-ray imaging, Phase measurement, X-ray sources, Beam propagation method, Compton scattering

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