2022
PHSOR05 Presentation Time: 12:50 PM The Effect of Quantum Noise on a Novel Multilateration-Based Brachytherapy Source Localization Approach
Jensen P, Tien C, Chen Z. PHSOR05 Presentation Time: 12:50 PM The Effect of Quantum Noise on a Novel Multilateration-Based Brachytherapy Source Localization Approach. Brachytherapy 2022, 21: s25-s26. DOI: 10.1016/j.brachy.2022.09.023.Peer-Reviewed Original ResearchQuantum noiseSource positionAcquisition timePixel sizePhoton-counting systemParticle detectorsImage fluxesLarge pixel sizeDominant sourceAchievable resolutionPhysics principlesSource strengthAxis displacementCamera systemPoint sourcesParameter rangeSingle camera systemSecond cameraDose reconstructionSystem setupRadiation doseCentral axisDual-camera systemPhotonsSetup
2012
SU‐E‐T‐289: On the Use of a Diode Array for the Commissioning of Dynamically‐Wedged Asymmetric Fields Generated by Varian EDW's in the Pinnacle Treatment Planning System
Ahmad M, Liu W, Deng J, Nguyen K, Wu D, Chen Z, Moran M, Nath R. SU‐E‐T‐289: On the Use of a Diode Array for the Commissioning of Dynamically‐Wedged Asymmetric Fields Generated by Varian EDW's in the Pinnacle Treatment Planning System. Medical Physics 2012, 39: 3770-3770. PMID: 28517261, DOI: 10.1118/1.4735357.Peer-Reviewed Original ResearchArray systemMonte Carlo code BEAMnrcEnhanced dynamic wedgeDiode arrayCylindrical chamberSolid waterDose profilesCentral axisVirtual waterAcceptable accuracyPinnacle3 treatment planning systemBeamDiode array systemOutput factorsWedge angleSegmented treatment tablesAsymmetric fieldsSimulationsConvolution calculationMC predictionWater phantomWaterAxis dose profilesCentral axis percentage depth dosesPercentage depth doses