2004
A general-spectral method for improved quantitative SPECT imaging of indium-111
Moore S, Park M, Fakhri G, Gerbaudo V, Zimmerman R. A general-spectral method for improved quantitative SPECT imaging of indium-111. 2004, 6: 3682-3684. DOI: 10.1109/nssmic.2004.1466680.Peer-Reviewed Original ResearchRadiotherapy treatment planningList-mode dataFree of scatterQuantitative SPECT imagingScatter compensation methodsList-mode acquisitionDown-scatterScattered photonsPhoton scatteringPhotopeakQuantitative SPECTOSEM reconstructionSPECT imagesLeastsquares procedureDose specificationAttenuation projectionNoisy projectionsScatteringTreatment planningSphere activitySphere locationIndium-111PhotonsContrast valuesSphere position
2003
The Effects of Compensation for Scatter, Lead X-Rays, and High-Energy Contamination on Tumor Detectability and Activity Estimation in Ga-67 Imaging
Fakhri G, Kijewski M, Maksud P, Moore S. The Effects of Compensation for Scatter, Lead X-Rays, and High-Energy Contamination on Tumor Detectability and Activity Estimation in Ga-67 Imaging. IEEE Transactions On Nuclear Science 2003, 50: 439. DOI: 10.1109/tns.2003.812446.Peer-Reviewed Original ResearchLead X-raysHigh-energy contaminationPresence of scatteringOptimal energy windowSignal-to-noise ratioAnthropomorphic torso phantomHigh-energy photonsMonte Carlo programGa-67 imagingSpherical tumorCompton scatteringPhoton interactionsEnergy windowScattered photonsEnergy photonsPhotopeak windowTorso phantomActivity estimationHigh energyFactors affecting image qualityX-rayScatter correctionPhotopeakGa-67Photons
2002
Optimization of Ga‐67 imaging for detection and estimation tasks: Dependence of imaging performance on spectral acquisition parameters
Fakhri G, Moore S, Kijewski M. Optimization of Ga‐67 imaging for detection and estimation tasks: Dependence of imaging performance on spectral acquisition parameters. Medical Physics 2002, 29: 1859-1866. PMID: 12201433, DOI: 10.1118/1.1493214.Peer-Reviewed Original ResearchConceptsIdeal signal-to-noise ratioEnergy windowSignal-to-noise ratioMonte Carlo programDetection of spheresTorso phantomPhantom acquisitionsSphere of radiusEstimation taskPhantom dataLower-energyGa-67 imagingPhantomAcquisition parametersActivity concentrationsSpectral acquisition parametersGa-67Sphere sizeEnergyPhotopeakTumor imagingOptimal windowTaskClinicMonte
2001
Optimization of Ga-67 Imaging for Detection and Estimation Tasks: Dependence of Imaging Performance on Choice of Energy Windows
Fakhri G, Moore S, Kijewski M. Optimization of Ga-67 Imaging for Detection and Estimation Tasks: Dependence of Imaging Performance on Choice of Energy Windows. 2001, 3: 1355-1357. DOI: 10.1109/nssmic.2001.1008588.Peer-Reviewed Original ResearchEnergy windowSignal-to-noise ratioMonte Carlo programDetection of spheresIdeal signal-to-noise ratioTorso phantomEstimation taskDetection signal-to-noise ratioPhantom acquisitionsSphere of radiusPhantom dataLower-energyPhotopeakImaging performancePhantomGa-67Detection metricsGa-67 imagingSphere sizeOptimal window widthWindow widthEnergyTaskQuantitative tasksOptimal window
1995
Reduction of truncation artifacts in fan beam transmission by using parallel beam emission data
Pan T, King M, Penney B, Rajeevan N, Luo D, Case J. Reduction of truncation artifacts in fan beam transmission by using parallel beam emission data. IEEE Transactions On Nuclear Science 1995, 42: 1310-1320. DOI: 10.1109/23.467864.Peer-Reviewed Original ResearchTruncated attenuation mapAttenuation mapTruncation artifactsEnergy window imagesReconstructed emission dataAttenuation map reconstructionTruncated projection dataProjection dataBeam transmission systemMissing projection dataBeam collimationBeam transmissionPhantom studyEmission dataPatient studiesWindow imagesPhotopeakMap reconstructionCollimatorDensely sampled regionReduction of truncation artifactsPhantomBeamAttenuationTruncation
1991
A scatter reduction method for In-111 scintigrams using five energy windows
Penney B, Rajeevan N, Bushe K, Hademenos G, King M, de Vries D, Moore S. A scatter reduction method for In-111 scintigrams using five energy windows. 1991, 1866-1873 vol.3. DOI: 10.1109/nssmic.1991.259239.Peer-Reviewed Original Research
This site is protected by hCaptcha and its Privacy Policy and Terms of Service apply