IMRT 2017

QA: plan measurement

Pretreatment EPID dosimetry: Oncor SIMRT

In house calibration software, compatible with PTW software

• cF : EPID conversion factor signal/cGy • G(trad) : ghos9ng correc9on • Graw(x,y) : EPID raw image • BP(x,y) : uniformity correc9on • kG : radia9on sca>er kernel inside EPID. • kD : radia9on sca>er kernel in water

36

Made with FlippingBook flipbook maker