2011
Experimental characterization of the dosimetric properties of a newly designed I-Seed model AgX100 125I interstitial brachytherapy source
Chen Z, Bongiorni P, Nath R. Experimental characterization of the dosimetric properties of a newly designed I-Seed model AgX100 125I interstitial brachytherapy source. Brachytherapy 2011, 11: 476-482. PMID: 22104352, PMCID: PMC3330133, DOI: 10.1016/j.brachy.2011.08.009.Peer-Reviewed Original ResearchAn integrated approach to segmentation and nonrigid registration for application in image-guided pelvic radiotherapy
Lu C, Chelikani S, Papademetris X, Knisely JP, Milosevic MF, Chen Z, Jaffray DA, Staib LH, Duncan JS. An integrated approach to segmentation and nonrigid registration for application in image-guided pelvic radiotherapy. Medical Image Analysis 2011, 15: 772-785. PMID: 21646038, PMCID: PMC3164526, DOI: 10.1016/j.media.2011.05.010.Peer-Reviewed Original ResearchAlgorithmsBayes TheoremFemaleHumansImaging, Three-DimensionalMaleProstatic NeoplasmsRadiographic Image EnhancementRadiographic Image Interpretation, Computer-AssistedRadiotherapy, Computer-AssistedReproducibility of ResultsSensitivity and SpecificitySubtraction TechniqueSystems IntegrationTomography, X-Ray ComputedUterine Cervical Neoplasms
2010
A photon spectrometric dose‐rate constant determination for the Advantage™ Pd‐103 brachytherapy source
Chen ZJ, Bongiorni P, Nath R. A photon spectrometric dose‐rate constant determination for the Advantage™ Pd‐103 brachytherapy source. Medical Physics 2010, 37: 672-674. PMID: 20229876, PMCID: PMC2821420, DOI: 10.1118/1.3298011.Peer-Reviewed Original ResearchIntegrated Segmentation and Nonrigid Registration for Application in Prostate Image-Guided Radiotherapy
Lu C, Chelikani S, Chen Z, Papademetris X, Staib LH, Duncan JS. Integrated Segmentation and Nonrigid Registration for Application in Prostate Image-Guided Radiotherapy. Lecture Notes In Computer Science 2010, 13: 53-60. PMID: 20879214, DOI: 10.1007/978-3-642-15705-9_7.Peer-Reviewed Original ResearchMeSH KeywordsAlgorithmsHumansImaging, Three-DimensionalMaleProstatic NeoplasmsRadiographic Image EnhancementRadiographic Image Interpretation, Computer-AssistedRadiotherapy, Computer-AssistedReproducibility of ResultsSensitivity and SpecificitySubtraction TechniqueSystems IntegrationTomography, X-Ray ComputedConceptsManual segmentationAutomatic segmentationImportant treatment parametersNonrigid registrationImage-guided radiotherapy systemReal patient dataNon-rigid registrationIntegrated SegmentationRegistration partRadiotherapy linear acceleratorSegmentationTreatment imagesImage qualityCone-beam CTTreatment parametersImagesPromising resultsPatient dataKey anatomical structuresLinear acceleratorRegistrationPrevious workRadiotherapy system
2009
2D‐3D registration for prostate radiation therapy based on a statistical model of transmission images
Munbodh R, Tagare HD, Chen Z, Jaffray DA, Moseley DJ, Knisely JP, Duncan JS. 2D‐3D registration for prostate radiation therapy based on a statistical model of transmission images. Medical Physics 2009, 36: 4555-4568. PMID: 19928087, DOI: 10.1118/1.3213531.Peer-Reviewed Original ResearchAlgorithmsData Interpretation, StatisticalHumansImage Interpretation, Computer-AssistedImaging, Three-DimensionalInformation Storage and RetrievalMalePattern Recognition, AutomatedPhantoms, ImagingProstatic NeoplasmsRadiographic Image EnhancementRadiotherapy, ConformalReproducibility of ResultsSensitivity and SpecificitySubtraction TechniqueConstrained non-rigid registration for use in image-guided adaptive radiotherapy
Greene WH, Chelikani S, Purushothaman K, Knisely JP, Chen Z, Papademetris X, Staib LH, Duncan JS. Constrained non-rigid registration for use in image-guided adaptive radiotherapy. Medical Image Analysis 2009, 13: 809-817. PMID: 19682945, PMCID: PMC2771756, DOI: 10.1016/j.media.2009.07.004.Peer-Reviewed Original ResearchAlgorithmsArtificial IntelligenceHumansMalePattern Recognition, AutomatedProstatic NeoplasmsRadiographic Image EnhancementRadiographic Image Interpretation, Computer-AssistedRadiotherapy, Computer-AssistedRadiotherapy, ConformalReproducibility of ResultsSensitivity and SpecificitySubtraction TechniqueTomography, X-Ray Computed
2008
Automated 2D–3D registration of portal images and CT data using line‐segment enhancement
Munbodh R, Chen Z, Jaffray DA, Moseley DJ, Knisely JP, Duncan JS. Automated 2D–3D registration of portal images and CT data using line‐segment enhancement. Medical Physics 2008, 35: 4352-4361. PMID: 18975681, PMCID: PMC3910153, DOI: 10.1118/1.2975143.Peer-Reviewed Original ResearchAlgorithmsArtificial IntelligenceHumansImaging, Three-DimensionalMalePattern Recognition, AutomatedProstatic NeoplasmsRadiographic Image EnhancementRadiographic Image Interpretation, Computer-AssistedRadiotherapy, Computer-AssistedReproducibility of ResultsSensitivity and SpecificitySubtraction TechniqueTomography, X-Ray ComputedA Constrained Non-rigid Registration Algorithm for Use in Prostate Image-Guided Radiotherapy
Greene W, Chelikani S, Purushothaman K, Chen Z, Knisely J, Staib L, Papademetris X, Duncan J. A Constrained Non-rigid Registration Algorithm for Use in Prostate Image-Guided Radiotherapy. Lecture Notes In Computer Science 2008, 11: 780-788. PMID: 18979817, PMCID: PMC2790815, DOI: 10.1007/978-3-540-85988-8_93.Peer-Reviewed Original ResearchMeSH KeywordsAlgorithmsArtificial IntelligenceHumansImaging, Three-DimensionalMalePattern Recognition, AutomatedProstatic NeoplasmsRadiographic Image EnhancementRadiographic Image Interpretation, Computer-AssistedRadiotherapy, Computer-AssistedReproducibility of ResultsSensitivity and SpecificitySubtraction TechniqueTomography, X-Ray ComputedConceptsTreatment planProstate image-guided radiotherapyOriginal treatment planRadiation dosageImage-guided radiotherapyTreatment daysRadiotherapy treatment plansCritical organsDifferent patientsPatient dataDifferent treatment daysBladderRectumProstateFemurBone motionCT imagesDosageReal patient dataPatientsRadiotherapy
2007
Photon spectrometry for the determination of the dose‐rate constant of low‐energy photon‐emitting brachytherapy sources
Chen ZJ, Nath R. Photon spectrometry for the determination of the dose‐rate constant of low‐energy photon‐emitting brachytherapy sources. Medical Physics 2007, 34: 1412-1430. PMID: 17500473, DOI: 10.1118/1.2713217.Peer-Reviewed Original ResearchMeSH KeywordsAlgorithmsBrachytherapyHalf-LifeKineticsPhotonsRadiometryRadiotherapy DosageReproducibility of ResultsSensitivity and SpecificitySpectrum AnalysisConceptsPhoton spectrometry techniquePhoton spectrometryHigh-resolution gamma-ray spectrometerDosimetry techniquesLow-energy photonsPhoton energy spectrumMono-energetic photonsGamma-ray spectrometerLow-energy photon-emitting brachytherapy sourcesBrachytherapy sourcesLow-energy sourcesAbsolute dosimeterPhoton characteristicsEnergy dependenceDetector sensitivityDetector sizeSolid phantomDose rate measurementsPhotonsDosimetric propertiesRadiation dosimetryDose rate constantDose rateSpectrometry techniquesAccurate measurement
2006
Limitations of silicon diodes for clinical electron dosimetry
Song H, Ahmad M, Deng J, Chen Z, Yue NJ, Nath R. Limitations of silicon diodes for clinical electron dosimetry. Radiation Protection Dosimetry 2006, 120: 56-59. PMID: 16772305, DOI: 10.1093/rpd/ncj007.Peer-Reviewed Original ResearchEvaluation of the EDR-2 film for relative dosimetry of high-energy photon and electron beams
Ahmad M, Chen Z, Song H, Deng J, Nath R. Evaluation of the EDR-2 film for relative dosimetry of high-energy photon and electron beams. Radiation Protection Dosimetry 2006, 120: 159-162. PMID: 16644932, DOI: 10.1093/rpd/ncj006.Peer-Reviewed Original ResearchConceptsEDR-2 filmsElectron beamRelative dosimetryHigh-energy photonsClinical radiation dosimetryDose profilesPhotonsRadiation dosimetryBeamDose distributionRadiographic filmsSensitometric studyFilmsDosimetryTreatment planning techniquesElectronsDiodesSymmetryKVFlatnessPlanning techniquesDistributionAutomated 2D‐3D registration of a radiograph and a cone beam CT using line‐segment enhancementa)
Munbodh R, Jaffray DA, Moseley DJ, Chen Z, Knisely JP, Cathier P, Duncan JS. Automated 2D‐3D registration of a radiograph and a cone beam CT using line‐segment enhancementa). Medical Physics 2006, 33: 1398-1411. PMID: 16752576, PMCID: PMC2796183, DOI: 10.1118/1.2192621.Peer-Reviewed Original ResearchPotential impact of prostate edema on the dosimetry of permanent seed implants using the new (model CS‐1) seeds
Chen Z, Deng J, Roberts K, Nath R. Potential impact of prostate edema on the dosimetry of permanent seed implants using the new (model CS‐1) seeds. Medical Physics 2006, 33: 968-975. PMID: 16696473, DOI: 10.1118/1.2179170.Peer-Reviewed Original Research
2002
Independent monitor unit calculation for intensity modulated radiotherapy using the MIMiC multileaf collimator
Chen Z, Xing L, Nath R. Independent monitor unit calculation for intensity modulated radiotherapy using the MIMiC multileaf collimator. Medical Physics 2002, 29: 2041-2051. PMID: 12349925, DOI: 10.1118/1.1500397.Peer-Reviewed Original Research