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Optimizing Patient-specific Quality Assurance Workload with Neural Network Analysis of Log Files and Complexity Indices. [PDF]
J Med PhysBanos-Capilla MC, Lago-Martin JD, Gil P.
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Detection and correction for EPID and gantry sag during arc delivery using cine EPID imaging
Medical Physics, 2012Electronic portal imaging devices (EPIDs) have been studied and used for pretreatment and in-vivo dosimetry applications for many years. The application of EPIDs for dosimetry in arc treatments requires accurate characterization of the mechanical sag of the EPID and gantry during rotation. Several studies have investigated the effects of gravity on the
Peter Greer +2 more
exaly +3 more sources
EPID with Malicious Revocation
2021EPID systems are anonymous authentication protocols where a device can be revoked by including one of its signatures in a revocation list. Such protocols are today included in the ISO/IEC 20008-2 standard and are embedded in billions of chips, which make them a flagship of advanced cryptographic tools.
Olivier Sanders, Jacques Traoré
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Medical physics, 2012
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Van Herk, Marcel; id_orcid 0000-0001-6448-898X +9 more
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Van Herk, Marcel; id_orcid 0000-0001-6448-898X +9 more
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Displays, 2006
Electrophoretic image displays (EPIDs) are a very promising solution in the search for low-power, paper like reflective displays. While the technology is already mature, little is known about the internal physical properties. In this paper, we will describe which elements contribute to the charge transport and give an explanation of the steady state ...
Tom Bert +3 more
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Electrophoretic image displays (EPIDs) are a very promising solution in the search for low-power, paper like reflective displays. While the technology is already mature, little is known about the internal physical properties. In this paper, we will describe which elements contribute to the charge transport and give an explanation of the steady state ...
Tom Bert +3 more
openaire +2 more sources
Medical Physics, 2001
There has been an increasing interest in the application of electronic portal imaging devices (EPIDs) to dosimetric verification, particularly for intensity modulated radiotherapy. Although not water equivalent, the phantom scatter factor of an EPID, is generally assumed to be that of a full phantom, a slab phantom, or a mini phantom.
J, Chang +3 more
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There has been an increasing interest in the application of electronic portal imaging devices (EPIDs) to dosimetric verification, particularly for intensity modulated radiotherapy. Although not water equivalent, the phantom scatter factor of an EPID, is generally assumed to be that of a full phantom, a slab phantom, or a mini phantom.
J, Chang +3 more
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Catching errors with in vivo EPID dosimetry
Medical Physics, 2010The potential for detrimental incidents and the ever increasing complexity of patient treatments emphasize the need for accurate dosimetric verification in radiotherapy. For this reason, all curative treatments are verified, either pretreatment or in vivo, by electronic portal imaging device (EPID) dosimetry in the Radiation Oncology Department of the ...
Van Herk, Marcel; id_orcid 0000-0001-6448-898X +9 more
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WE‐G‐BRB‐02: MU‐EPID an EPID Based Tool for IMRT Quality Assurance
Medical Physics, 2012Purpose: A software program (MU‐EPID) has been developed to perform patient specific IMRT pre‐treatment QA verification using an electronic portal imaging device. Methods: The software converts measured images of intensity modulated beams delivered to an EPID, into fluence maps that can be imported in the treatment planning system. The dose can then be
L Vazquez, Quino +5 more
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Generalized EPID calibration for in vivo transit dosimetry
Physica Medica, 2011Many researchers are studying new in vivo dosimetry methods based on the use of Elelctronic portal imaging devices (EPIDs) that are simple and efficient in their daily use. However the need of time consuming implementation measurements with solid water phantoms for the in vivo dosimetry implementation can discourage someone in their use.
Andrea, Fidanzio +6 more
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