Article ; Online: Development of a dosimeter prototype with machine learning based 3-D dose reconstruction capabilities.
Biomedical physics & engineering express
2021 Volume 8, Issue 1
Abstract: A 3-D dosimeter fills the need for treatment plan and delivery verification required by every modern radiation-therapy method used today. This report summarizes a proof-of-concept study to develop a water-equivalent solid 3-D dosimeter that is based on ... ...
Abstract | A 3-D dosimeter fills the need for treatment plan and delivery verification required by every modern radiation-therapy method used today. This report summarizes a proof-of-concept study to develop a water-equivalent solid 3-D dosimeter that is based on novel radiation-hard scintillating material. The active material of the prototype dosimeter is a blend of radiation-hard peroxide-cured polysiloxane plastic doped with scintillating agent P-Terphenyl and wavelength-shifter BisMSB. The prototype detector was tested with 6 MV and 10 MV x-ray beams at Ohio State University's Comprehensive Cancer Center. A 3-D dose distribution was successfully reconstructed by a neural network specifically trained for this prototype. This report summarizes the material production procedure, the material's water equivalency investigation, the design of the prototype dosimeter and its beam tests, as well as the details of the utilized machine learning approach and the reconstructed 3-D dose distributions. |
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MeSH term(s) | Humans ; Machine Learning ; Radiation Dosage ; Radiation Dosimeters ; Radiometry ; Water |
Chemical Substances | Water (059QF0KO0R) |
Language | English |
Publishing date | 2021-11-23 |
Publishing country | England |
Document type | Journal Article ; Research Support, Non-U.S. Gov't ; Research Support, U.S. Gov't, Non-P.H.S. |
ISSN | 2057-1976 |
ISSN (online) | 2057-1976 |
DOI | 10.1088/2057-1976/ac396c |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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