Articles with "calculation" as a keyword



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Evaluation of a commercial Monte Carlo dose calculation algorithm for electron treatment planning

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Published in 2019 at "Journal of Applied Clinical Medical Physics"

DOI: 10.1002/acm2.12622

Abstract: Abstract The RayStation treatment planning system implements a Monte Carlo (MC) algorithm for electron dose calculations. For a TrueBeam accelerator, beam modeling was performed for four electron energies (6, 9, 12, and 15 MeV), and… read more here.

Keywords: phantom; algorithm electron; dose calculation; treatment planning ... See more keywords
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Evaluation of skin dose calculation factors in interventional fluoroscopy

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Published in 2019 at "Journal of Applied Clinical Medical Physics"

DOI: 10.1002/acm2.12725

Abstract: Abstract Purpose The purpose of this study was to measure fluoroscopic dose calculation factors for modern fluoroscopy‐guided interventional (FGI) systems, and to fit to analytical functions for peak skin dose (PSD) calculation. Methods Table transmission… read more here.

Keywords: kcf; dose calculation; calculation; field size ... See more keywords
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Impact of computed tomography (CT) reconstruction kernels on radiotherapy dose calculation

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Published in 2020 at "Journal of Applied Clinical Medical Physics"

DOI: 10.1002/acm2.12994

Abstract: Abstract Purpose To quantitatively evaluate the effect of computed tomography (CT) reconstruction kernels on various dose calculation algorithms with heterogeneity correction. Methods The gammex electron density (ED) Phantom was scanned with the Siemens PET/CT Biograph20… read more here.

Keywords: computed tomography; dose calculation; calculation; electron ... See more keywords
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Development of a virtual source model for Monte Carlo-based independent dose calculation for varian linac.

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Published in 2022 at "Journal of applied clinical medical physics"

DOI: 10.1002/acm2.13556

Abstract: Monte Carlo (MC) independent dose calculations are often based on phase-space files (PSF), as they can accurately represent particle characteristics. PSF generally are large and create a bottleneck in computation time. In addition, the number… read more here.

Keywords: monte carlo; virtual source; calculation; independent dose ... See more keywords
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Dosimetric assessment of patient dose calculation on a deep learning‐based synthesized computed tomography image for adaptive radiotherapy

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Published in 2022 at "Journal of Applied Clinical Medical Physics"

DOI: 10.1002/acm2.13595

Abstract: Abstract Purpose Dose computation using cone beam computed tomography (CBCT) images is inaccurate for the purpose of adaptive treatment planning. The main goal of this study is to assess the dosimetric accuracy of synthetic computed… read more here.

Keywords: computed tomography; deep learning; learning based; image ... See more keywords
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Clinical experience on patient-specific quality assurance for CBCT-based online adaptive treatment plan.

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Published in 2023 at "Journal of applied clinical medical physics"

DOI: 10.1002/acm2.13918

Abstract: PURPOSE Ethos CBCT-based adaptive radiotherapy (ART) system can generate an online adaptive plan by re-optimizing the initial reference plan based on the patient anatomy at the treatment. The optimization process is fully automated without any… read more here.

Keywords: art plans; plan; art; art plan ... See more keywords
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A comparison of spectral unmixing to conventional compensation for the calculation of fluorochrome abundances from flow cytometric data

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Published in 2022 at "Cytometry Part A"

DOI: 10.1002/cyto.a.24669

Abstract: Traditionally, flow cytometers acquired data using the same number of detectors as fluorochromes being measured in the experiment. More recently, spectral flow cytometers utilize a larger number of detectors than fluorochromes. This seemingly small difference… read more here.

Keywords: comparison spectral; spectral unmixing; compensation; fluorochrome abundances ... See more keywords
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Absolute Protein Binding Free Energy Simulations for Ligands with Multiple Poses, a Thermodynamic Path That Avoids Exhaustive Enumeration of the Poses

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Published in 2020 at "Journal of Computational Chemistry"

DOI: 10.1002/jcc.26078

Abstract: We propose a free energy calculation method for receptor–ligand binding, which have multiple binding poses that avoids exhaustive enumeration of the poses. For systems with multiple binding poses, the standard procedure is to enumerate orientations… read more here.

Keywords: binding poses; energy; calculation; binding free ... See more keywords
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Analytical calculation of the solvent‐accessible surface area and its nuclear gradients by stereographic projection: A general approach for molecules, polymers, nanotubes, helices, and surfaces

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Published in 2020 at "Journal of Computational Chemistry"

DOI: 10.1002/jcc.26191

Abstract: In this article, we explore an alternative to the analytical Gauss–Bonnet approach for computing the solvent‐accessible surface area (SASA) and its nuclear gradients. These two key quantities are required to evaluate the nonelectrostatic contribution to… read more here.

Keywords: solvent accessible; nuclear gradients; stereographic projection; calculation ... See more keywords
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The calculation of the sum of the spaces of the K‐method of real interpolation

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Published in 2020 at "Mathematische Nachrichten"

DOI: 10.1002/mana.201900237

Abstract: It is shown that the calculation of the sum of the spaces of the K‐Peetre interpolation method can be reduced to the calculation of the sum of the cones of the concave functions included by… read more here.

Keywords: spaces method; calculation; interpolation; calculation sum ... See more keywords
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The dynamics of the stock of workers at the firm level and threshold calculation

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Published in 2021 at "Mathematical Methods in the Applied Sciences"

DOI: 10.1002/mma.7206

Abstract: In this paper, we extend the state equations for the stock of unskilled and skilled workers by introducing internal training and study the dynamics of the number of skilled workers at the firm level. A… read more here.

Keywords: workers firm; level threshold; calculation; stock ... See more keywords