Search Results - "Gonzalez Lopez, Antonio"

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    Technical note: Characteristics of the energy spread kernels of scattered radiation in an x‐ray room by GonzálezLópez, Antonio

    Published in Medical physics (Lancaster) (01-01-2023)
    “…Purpose To describe the scattered radiation spectra inside an x‐ray room for different scattering conditions. Methods Monte Carlo simulations of an x‐ray room…”
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    Journal Article
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    Detectability assessment of an x‐ray imaging system using the nodes in a wavelet packet decomposition of a star–bar object by GonzálezLópez, Antonio

    Published in Medical physics (Lancaster) (01-06-2021)
    “…Purpose Using linear transformations of the acquired data can expand the study of detectability in an imaging system. From one image, an appropriate…”
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    Effect of noise on MTF calculations using different phantoms by GonzálezLópez, Antonio

    Published in Medical physics (Lancaster) (01-05-2018)
    “…Purpose In this work, the effect of noise on the precision in the modulation transfer function (MTF) calculation using different phantoms is investigated…”
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    Safety and immunogenicity of a respiratory syncytial virus fusion glycoprotein F subunit vaccine in healthy adults: Results of a phase 1, randomized, observer-blind, controlled, dosage-escalation study by Leroux-Roels, Geert, De Boever, Fien, Maes, Cathy, Nguyen, Thi Lien-Anh, Baker, Sherryl, Gonzalez Lopez, Antonio

    Published in Vaccine (06-05-2019)
    “…•A RSV F subunit vaccine was developed to protect infants via maternal immunization.•Different formulations of this vaccine in men and non-pregnant women were…”
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    Performance of a new star‐bar phantom designed for MTF calculations in x‐ray imaging systems by GonzálezLópez, Antonio, Campos‐Morcillo, Pedro‐Antonio, Vera‐Sánchez, Juan Antonio, Ruiz‐Morales, Carmen

    Published in Medical physics (Lancaster) (01-10-2020)
    “…Purpose A new phantom, designed and manufactured for modulation transfer function (MTF) calculations is presented in this work. The phantom has a star‐bar…”
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    Technical Note: MTF determination from a star bar pattern image by GonzálezLópez, Antonio, Ruiz‐Morales, Carmen

    Published in Medical physics (Lancaster) (01-09-2015)
    “…Purpose: A procedure to obtain the MTF of an image system from a star bar pattern image is presented. The results obtained are compared to the standard…”
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    Sarcopenia and Mortality in Older Hemodialysis Patients by Sánchez-Tocino, M Luz, Miranda-Serrano, Blanca, López-González, Antonio, Villoria-González, Silvia, Pereira-García, Mónica, Gracia-Iguacel, Carolina, González-Ibarguren, Isabel, Ortíz-Arduan, Alberto, Mas-Fontao, Sebastian, González-Parra, Emilio

    Published in Nutrients (05-06-2022)
    “…(1) Sarcopenia is a progressive loss of skeletal muscle mass and strength. The aim of this study was to determine the association of sarcopenia, defined…”
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    Technical Note: An oversampling procedure to calculate the MTF of an imaging system from a bar-pattern image by González-López, Antonio, Campos-Morcillo, Pedro Antonio, Lago-Martín, José Domingo

    Published in Medical physics (Lancaster) (01-10-2016)
    “…Purpose: Line-pair resolution phantoms are used to determine the spatial resolution of medical imaging systems. In some cases, these phantoms are used to…”
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    Technical Note: Statistical dependences between channels in radiochromic film readings. Implications in multichannel dosimetry by González-López, Antonio, Vera-Sánchez, Juan Antonio, Ruiz-Morales, Carmen

    Published in Medical physics (Lancaster) (01-05-2016)
    “…Purpose: This note studies the statistical relationships between color channels in radiochromic film readings with flatbed scanners. The same relationships are…”
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    Impact of non-routine rotavirus vaccination on hospitalizations for diarrhoea and rotavirus infections in Spain by Gil-Prieto, Ruth, Gonzalez-Escalada, Alba, Alvaro-Meca, Alejandro, Garcia-Garcia, Laura, San-Martin, Maria, González-López, Antonio, Gil-de-Miguel, Angel

    Published in Vaccine (09-10-2013)
    “…Highlights • We conducted a retrospective study using the national information system for hospital data. • We analyzed hospital discharge data for children up…”
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    Increasing the precision in the estimates of noise power spectrum in digital x-ray imaging systems by González-López, Antonio

    Published in Physics in medicine & biology (05-12-2019)
    “…The noise power spectrum (NPS) of a digital x-ray imaging device is usually estimated from the average of periodograms of ROIs in images obtained with uniform…”
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    High frequency residues: A new set of signals for detectability studies of an X-ray imaging system by González-López, Antonio

    Published in Physica medica (01-11-2021)
    “…•In this work, a new set of signals for detectability studies is presented.•New signals are obtained by removing low frequency components from line…”
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    Uncertainties of a window mixing estimator for the noise power spectrum of digital signals by González-López, Antonio

    Published in Physica medica (01-04-2020)
    “…•A new window mixing (WM) estimator for the NPS, obtained as a convex combination of windowed periodograms, is presented.•Mathematical derivations show that WM…”
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