Articles with "scatter" as a keyword



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Performance optimization of a tri-hybrid method for estimation of patient scatter into the EPID.

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Published in 2021 at "Journal of applied clinical medical physics"

DOI: 10.1002/acm2.13439

Abstract: On-treatment EPID images are contaminated with patient-generated scattered photons. If this component can be accurately estimated, its effect can be removed, and therefore a corresponding in vivo patient dose estimate will be more accurate. Our… read more here.

Keywords: photon; hybrid method; scatter; patient scatter ... See more keywords
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Need for winning combinations of modalities in cytometry of stem cells

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Published in 2017 at "Cytometry Part A"

DOI: 10.1002/cyto.a.23087

Abstract: CONVENTIONAL flow cytometry provides population-level cross-section of cellular features at the time of measurements. However, cellular properties might change dynamically. Cosette et al. (1), emphasize the importance of understanding the possible dynamics of population-level morphology… read more here.

Keywords: cell; microscopy; time; scatter ... See more keywords
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Fluorescence and Light Scatter Calibration Allow Comparisons of Small Particle Data in Standard Units across Different Flow Cytometry Platforms and Detector Settings

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Published in 2020 at "Cytometry Part A"

DOI: 10.1002/cyto.a.24029

Abstract: Flow cytometers have been utilized for the analysis of submicron‐sized particles since the late 1970s. Initially, virus analyses preceded extracellular vesicle (EV), which began in the 1990s. Despite decades of documented use, the lack of… read more here.

Keywords: fluorescence light; light scatter; calibration; scatter ... See more keywords
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Improved quantitative 90Y bremsstrahlung SPECT/CT reconstruction with Monte Carlo scatter modeling

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Published in 2017 at "Medical Physics"

DOI: 10.1002/mp.12597

Abstract: Purpose: In 90Y microsphere radioembolization (RE), accurate post‐therapy imaging‐based dosimetry is important for establishing absorbed dose versus outcome relationships for developing future treatment planning strategies. Additionally, accurately assessing microsphere distributions is important because of concerns… read more here.

Keywords: reconstruction; 90y bremsstrahlung; scatter modeling; scatter ... See more keywords
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Deep Scatter Estimation (DSE): Accurate Real-Time Scatter Estimation for X-Ray CT Using a Deep Convolutional Neural Network

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Published in 2018 at "Journal of Nondestructive Evaluation"

DOI: 10.1007/s10921-018-0507-z

Abstract: X-ray scatter is a major cause of image quality degradation in dimensional CT. Especially, in case of highly attenuating components scatter-to-primary ratios may easily be higher than 1. The corresponding artifacts which appear as cupping… read more here.

Keywords: scatter; deep scatter; real time; scatter estimation ... See more keywords
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Using aluminum for scatter control in mammography: preliminary work using measurements of CNR and FOM

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Published in 2019 at "Radiological Physics and Technology"

DOI: 10.1007/s12194-019-00545-3

Abstract: Full-field digital mammography (FFDM) systems provide the current gold standard in mammographic examinations. Although FFDM provides the lowest mammographic doses, the radiation dose to the breast during mammographic examinations is still a concern. Thus, image… read more here.

Keywords: work; image; image quality; mammography ... See more keywords
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Thoughts on two approaches for accounting for the scatter in fatigue delamination growth curves

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Published in 2020 at "Composite Structures"

DOI: 10.1016/j.compstruct.2020.113175

Abstract: Abstract This paper discusses two approaches that have been proposed to account for the data scatter observed in delamination growth tests under cyclic-fatigue loading and thereby enable an estimate of a worst-case delamination growth curve… read more here.

Keywords: scatter; two approaches; approach; delamination growth ... See more keywords
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[P099] Comparative assessment of three scatter correction techniques in 99M-TC and 131-I planar imaging

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Published in 2018 at "Physica Medica"

DOI: 10.1016/j.ejmp.2018.06.417

Abstract: Purpose The purpose of this study is to evaluate and compare single (SEW), dual (DEW) and triple energy window (TEW) scatter correction techniques, on 99mTc and 131I planar images, based on signal-to-noise ratio (SNR) criterion.… read more here.

Keywords: planar; energy; scatter; scatter correction ... See more keywords
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Decomposing a prior-CT-based cone-beam CT projection correction algorithm into scatter and beam hardening components

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Published in 2017 at "Physics and Imaging in Radiation Oncology"

DOI: 10.1016/j.phro.2017.09.002

Abstract: Abstract A scatter correction algorithm (SCA) for cone beam CT (CBCT) projections, making use of prior information obtained by deformable image registration of CT to CBCT, has recently been proposed and tested for particle therapy… read more here.

Keywords: beam hardening; correction; cone beam; correction algorithm ... See more keywords
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Mie scatter spectra-based device for instant, contact-free, and specific diagnosis of bacterial skin infection

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Published in 2017 at "Scientific Reports"

DOI: 10.1038/s41598-017-05061-1

Abstract: Rapid and specific diagnostic techniques are needed to expedite specific treatment of bacterial skin infections with narrow-spectrum antibiotics, rather than broad-spectrum. Through this work a device was developed to determine the presence of and species… read more here.

Keywords: mie scatter; infection; scatter spectra; scatter ... See more keywords
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Does high scatter on the Wechsler Adult Intelligence Scale-Fourth Edition general ability index reduce validity in predicting Wechsler Memory Scale-Fourth Edition indexes?

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Published in 2022 at "Applied neuropsychology. Adult"

DOI: 10.1080/23279095.2021.2021412

Abstract: We examined whether significant scatter in WAIS-IV GAI will reduce its validity to predict performance on WMS-IV indexes. Participants were 330 individuals with neurological, psychiatric, or neurodevelopmental disorders and 59 referrals who were found to… read more here.

Keywords: scatter; scale fourth; fourth edition; significant scatter ... See more keywords