Search Results - "McCurdy, B. M. C."
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Dosimetric properties of an amorphous-silicon EPID used in continuous acquisition mode for application to dynamic and arc IMRT
Published in Medical physics (Lancaster) (01-07-2009)“…Dosimetric properties of an amorphous-silicon electronic portal imaging device (EPID) operated in a real-time acquisition mode were investigated. This mode…”
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A model-based 3D patient-specific pre-treatment QA method for VMAT using the EPID
Published in Physics in medicine & biology (21-02-2017)“…This study reports the development and validation of a model-based, 3D patient dose reconstruction method for pre-treatment quality assurance using EPID…”
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An in vivo dose verification method for SBRT–VMAT delivery using the EPID
Published in Medical physics (Lancaster) (01-12-2015)“…Purpose: Radiation treatments have become increasingly more complex with the development of volumetric modulated arc therapy (VMAT) and the use of stereotactic…”
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Model-based prediction of portal dose images during patient treatment
Published in Medical physics (Lancaster) (01-03-2013)“…Purpose: Dosimetric verification of radiation therapy is crucial when delivering complex treatments like intensity modulated radiation therapy (IMRT) or…”
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Frame average optimization of cine‐mode EPID images used for routine clinical in vivo patient dose verification of VMAT deliveries
Published in Medical physics (Lancaster) (01-01-2016)“…Purpose: The in vivo 3D dose delivered to a patient during volumetric modulated arc therapy (VMAT) delivery can be calculated using electronic portal imaging…”
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A Monte Carlo tool for evaluating VMAT and DIMRT treatment deliveries including planar detectors
Published in Physics in medicine & biology (07-06-2013)“…The aim of this work is to describe and validate a new general research tool that performs Monte Carlo (MC) simulations for volumetric modulated arc therapy…”
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Comprehensive fluence model for absolute portal dose image prediction
Published in Medical physics (Lancaster) (01-04-2009)“…Amorphous silicon ( a - Si ) electronic portal imaging devices (EPIDs) continue to be investigated as treatment verification tools, with a particular focus on…”
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A Monte Carlo investigation of contaminant electrons due to a novel in vivo transmission detector
Published in Physics in medicine & biology (21-02-2011)“…A novel transmission detector (IBA Dosimetry, Germany) developed as an IMRT quality assurance tool, intended for in vivo patient dose measurements, is studied…”
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Investigation of the spatial resolution of an online dose verification device
Published in Medical physics (Lancaster) (01-02-2012)“…Purpose: The aim of this work is to characterize a new online dose verification device, COMPASS transmission detector array (IBA Dosimetry, Schwarzenbruck,…”
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Investigation of tilted dose kernels for portal dose prediction in a - Si electronic portal imagers
Published in Medical physics (Lancaster) (01-09-2006)“…The effect of beam divergence on dose calculation via Monte Carlo generated dose kernels was investigated in an amorphous silicon electronic portal imaging…”
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Determination of equivalent photon fields through integrated 1D convolution kernels
Published in Physics in medicine & biology (01-12-1999)“…The equivalent fields concept has been studied using a variation of the convolution dose calculation method. This allows a better understanding of this…”
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Dosimetric investigation and portal dose image prediction using an amorphous silicon electronic portal imaging device
Published in Medical physics (Lancaster) (01-06-2001)“…A two step algorithm to predict portal dose images in arbitrary detector systems has been developed recently. The current work provides a validation of this…”
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A Comparison of Medical Physics Training and Education Programs - Canada and Australia
Published in Australasian physical & engineering sciences in medicine (01-12-2009)“…An overview and comparison of medical physics clinical training, academic education, and national certification/accreditation of individual professionals in…”
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A two-step algorithm for predicting portal dose images in arbitrary detectors
Published in Medical physics (Lancaster) (01-09-2000)“…Recently, portal imaging systems have been successfully demonstrated in dosimetric treatment verification applications, where measured and predicted images are…”
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Photon scatter in portal images: Physical characteristics of pencil beam kernels generated using the EGS Monte Carlo code
Published in Medical physics (Lancaster) (01-02-2000)“…Pencil beam kernels describing scattered photon fluence behind homogeneous water slabs at various air gap distances were generated using the EGS Monte Carlo…”
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Photon scatter in portal images: Accuracy of a fluence based pencil beam superposition algorithm
Published in Medical physics (Lancaster) (01-05-2000)“…The accuracy of a pencil beam algorithm to predict scattered photon fluence into portal imaging systems was studied. A data base of pencil beam kernels…”
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A COMPREHENSIVE FLUENCE MODEL FOR ABSOLUTE PORTAL DOSE IMAGE PREDICTION
Published in Australasian physical & engineering sciences in medicine (01-12-2008)“…The model predicts fluence entering the detector, which is then converted to dose by convolving the fluence distribution with appropriate EPID dose kernels…”
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