Abstract

Images from Vidar scans were directly analyzed on a Tomotherapy DQA station. Images from the EPSON scanner were acquired and processed using FilmQAPro software with and without corrections for the characteristic response nonuniformity normal to the scan direction and transferred back to Tomotherapy DQA station for plan-film analysis. Gamma factor maps for five treatment plans (brain, abdomen, vulva and two prostates) were visually compared for EDR2 and EBT3 films scanned on Vidar as well as EBT3 films scanned on EPSON using the FilmQAPro software with and without the nonuniformity corrections 1. C. Fiandra, et al., Med. Phys. 33 4314-9

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