Results 91 to 100 of about 7,410 (208)
, 2014 Background]In modern radiotherapy, it is crucial to monitor the performance of all linac components including gantry, collimation system and electronic portal imaging device (EPID) during arc deliveries.
Conor K McGarry +9 more
core +1 more source
Journal of Medical Physics, 2019 Objective: This study demonstrates a novel electronic portal imaging device (EPID)-based forward dosimetry approach for pretreatment quality assurance aided by a treatment planning system (TPS).
Arjunan Manikandan +3 more
doaj +1 more source
EPID image prediction using a U-net model.
, 2020 Radiation therapy is one of the most common treatment methods for cancer today, with an estimated half of patients requiring it at some point in the course of their illness.
Liu, Felix
core
Multi-parametric Improvements in the CCD Camera-based EPID for Portal Dosimetry
Journal of Medical Signals and Sensors, 2017 Dosimetric verification of radiation treatment has recently been extended by the introduction of electronic portal imaging devices (EPIDs). Detailed dose response specifications of EPID should be addressed prior to any dosimetric application. The present
Vahideh Nazari +6 more
doaj
EPID-based dosimetry to verify IMRT planar dose distribution for the aS1200 EPID and FFF beams
We proposed to perform a basic dosimetry commissioning on a new imager system, the Varian aS1200 electronic portal imaging device (EPID) and TrueBeam 2.0 linear accelerator for flattened (FF) and flattening filter-free (FFF) beams, then to develop an ...
Narges Miri (5755259) +3 more
core
Energy response correction for EPID dosimetry in photon radiation therapy
, 2017 Purpose Electronic portal imaging device (EPID) is a popular tool for a verification of the patient setup for radiation therapy. Recently, it is grabbing attention as a tool for in vivo dosimetry.
715574 +3 more
core
In vivo dosimetry of a photon radiotherapy beam with the use of an a-Si EPID
, 2015 Purpose: The aim of this study is the validation of a new easily applicable EPID dosimetry method based on the back projection approach and the comparison of this method with the EBT2 film dosimetry method.Methods: The dosimetric characteristics of the ...
Kalliopi, Mandourari +1 more
core +1 more source
, 2012 This study used a homogeneous water-equivalent model of an electronic portal imaging device (EPID), contoured as a structure in a radiotherapy treatment plan, to produce reference dose images for comparison with in vivo EPID dosimetry images.
Trapp, J. V. +8 more
core +1 more source
Epid. II, IV y VI: composición de sus historias clínicas
, 2019 This paper consists of an analysis of the clinical histories of Epidemics II, IV and VI, especially as regards its structure, based on a fixed set of data relating to the patient identity and environment, as well as those concerning the disease: cause ...
Esteban Santos, Alicia
core
Schematic diagram of EPID-based 3D in vivo dose reconstruction.
, 2019 Schematic diagram of EPID-based 3D in vivo dose reconstruction.
Yinghui Li (237776) +4 more
core +1 more source