A multi-institutional EPID-based 3D dose reconstruction model in a virtual phantom for standardized patient QA, benchmarking and auditing for stereotactic radiosurgery [PDF]
Physics and Imaging in Radiation OncologyBackground and Purpose: For single-isocentre multi-target (SIMT) stereotactic radiosurgery (SRS), benchmarking, auditing and inter-institutional standardisation of dose verification remain challenging as they require specialized equipment and expertise ...
Benjamin Zwan +19 more
doaj +2 more sources
Evaluation of Dose Distribution at the Level of Electronic Portal Imaging Device using Treatment Planning System [PDF]
Journal of Biomedical Physics and EngineeringBackground: Treatment Planning Systems (TPS) are designed to calculate dose distributions within the CT imaging field of view. However, the Electronic Portal Imaging Device (EPID) is positioned outside this area, making it challenging to use standard TPS
Amene Bagheri +6 more
doaj +2 more sources
CacheQuote: Efficiently Recovering Long-term Secrets of SGX EPID via Cache Attacks [PDF]
Transactions on Cryptographic Hardware and Embedded Systems, 2018 Intel Software Guard Extensions (SGX) allows users to perform secure computation on platforms that run untrusted software. To validate that the computation is correctly initialized and that it executes on trusted hardware, SGX supports attestation ...
Fergus Dall +6 more
doaj +2 more sources
Setup Error Differences and Margin Expansion Among Rectal Cancer Segments: Consistency Evaluation Between EPID and iSCOUT [PDF]
Cancer ReportsPurpose To analyze the differences in setup errors among patients with rectal cancer in the upper, middle and lower segments and evaluate the consistency between electronic portal imaging device (EPID) and iSCOUT image‐guided techniques.
Bao Wan +10 more
doaj +2 more sources
Development of a new VMAT QA framework for Mobius3D using control-point specific EPID images [PDF]
Frontiers in OncologyPurposeThis study presents novel quality assurance (QA) approach for volumetric modulated arc therapy (VMAT) that leverages frame-by-frame electronic portal imaging device (EPID) images integrated into Mobius3D for accurate three-dimensional dose ...
JaeHyun Seok +13 more
doaj +2 more sources
Development of Artificial Intelligence as a Conversion Tool for Cine Electronic Portal Imaging Device Images to Radiotherapy Dosimetry: Preliminary Study [PDF]
Iranian Journal of Medical Physics, 2022 Introduction: This research is a preliminary study of the development of Artificial Intelligence (AI) as a conversion tool from the pixel value of Cine a-Si 1000 Electronic Portal Imaging Device (EPID) images to dose.
Muhammad Ramadhan +2 more
doaj +1 more source
Development of an Electronic Portal Imaging Device Dosimetry Method
Diagnostics, 2021 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 ...
Jun Zhang +4 more
doaj +1 more source
Implementation and preliminary evaluation of a practical digital workflow for routine laser-radiation field coincidence quality assurance on the CyberKnife M6. [PDF]
Precis Radiat OncolAn MLC QA tool–QASC–CKQA workflow achieved the lowest laser‐radiation field coincidence deviations on CyberKnife M6, supporting a simpler, more reproducible routine QA strategy. When QASC is unavailable, the film‐based MLC QA tool workflow provides a practical alternative.
Hu L +8 more
europepmc +2 more sources