A novel approach to EPID-based 3D volumetric dosimetry for IMRT and VMAT QA

A Alhazmi, C Gianoli, S Neppl, J Martins… - Physics in Medicine …, 2018 - iopscience.iop.org
Intensity modulated radiation therapy (IMRT) and volumetric modulated arc therapy (VMAT)
are relatively complex treatment delivery techniques and require quality assurance (QA) …

A regression‐based approach to compute the pixels sensitivity map of linear accelerator portal imaging devices

M Ahmad, H Nourzadeh, J Siebers - Medical Physics, 2021 - Wiley Online Library
Purpose To determine the pixel sensitivity map (PSM) for amorphous silicon electronic portal
imaging devices (EPIDs) using a single flood field signal. Method and materials A raw EPID …

A simple algorithm to convert EPID gray values into absorbed dose to water without prior knowledge

C Boutry, A Sors, J Fontaine, N Delaby… - Medical …, 2017 - Wiley Online Library
Purpose Full integration of EPID‐based dosimetry in a global quality control workflow is still
complicated. All the actual solutions are based on a relation between image gray‐level …

[PDF][PDF] EPID-based 3D dosimetry for pre-treatment IMRT/VMAT quality assurance

A Alhazmi - 2018 - edoc.ub.uni-muenchen.de
Abstract Treatment of cancer using photon radiation has rapidly developed in the last few
decades. The development has aimed at improving the therapeutic ratio by delivering a …

Análisis del control de calidad dosimétrico para tratamiento de arcoterapia volumétrica de intensidad modulada comparando un arreglo cilíndrico de diodos y …

JM Moscoso Carrasco - 2022 - 190.12.84.13
La Arcoterapia Volumétrica Modulada (Volumetric Modulated Arc Therapy, VMAT) es una
de las técnicas modernas más usadas para brindar tratamiento oncológico dentro del área …

System and method to compute a pixel sensitivity map of an imaging device

JV Siebers, M Ahmed - US Patent 11,850,448, 2023 - Google Patents
An image calibration method includes capturing and correcting a flood field image for
background signal and effects of known image-panel features (dead/bad pixels). The …

System and method to compute a pixel sensitivity map of an imaging device

JV Siebers, M Ahmed - US Patent 11,565,133, 2023 - Google Patents
An image calibration method includes capturing and correcting a flood field image for
background signal and effects of known image-panel features (dead/bad pixels). The …

Development of a Fluence Generating Programme for Patient-Specific Quality Assurance and Calibration of an Amorphous Silicon EPID

CF Yeap, WL Jong, NM Ung - Journal of Physics: Conference …, 2020 - iopscience.iop.org
Patient-specific quality assurance (QA) is an essential part of intensity-modulated
radiotherapy (IMRT) and volumetric arc therapy (VMAT) treatments. This study aims to …

[引用][C] 电子射野影像系统在测量调强放疗三维剂量上的应用

胡银祥, 王志勇, 金海洁, 苏胜发, 毕婷, 罗元强, 金风… - 肿瘤预防与治疗, 2021