Development of an Electronic Portal Imaging Device Dosimetry Method

Development of an Electronic Portal Imaging Device Dosimetry Method

Support arm backscatter and off-axis effects of an electronic portal imaging device (EPID) are challenging for radiotherapy quality assurance. Aiming at the issue, we proposed a simple yet effective method with correction matrices to rectify backscatter and off-axis responses for EPID images. First,...

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Bibliographic Details
Main Authors: Jun Zhang, Ziting Fan, Xile Zhang, Ruijie Yang, Junhai Wen
Format: Article
Language:English
Published: MDPI AG 2021-09-01
Series:Diagnostics
Subjects:
radiotherapy
quality assurance
EPID
portal dosimetry
backscatter
off-axis
Online Access:https://www.mdpi.com/2075-4418/11/9/1654

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