Investigation of a water equivalent depth method for dosimetric accuracy evaluation of synthetic CT
Physica Medica(2023)
Abstract
•Conventional image similarity metrics are insufficient to assess the quality of sCT.•Water equivalent depth (WED) calculation can evaluate dosimetric quality of sCT.•The mean WED difference (ΔWED¯) between the sCT and reference CT can be calculated.•The ΔWED¯ can facilitate the development process of the new sCT generation method.
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Key words
Synthetic CT,Water equivalent depth,Dosimetric QA,MRI-only radiotherapy
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