2025
An Investigation on Cross-Tracer Generalizability of Deep Learning-Based PET Attenuation Correction
Hou J, Chen T, Zhou Y, Chen X, Xie H, Liu Q, Xia M, Panin V, Toyonaga T, Liu C, Zhou B. An Investigation on Cross-Tracer Generalizability of Deep Learning-Based PET Attenuation Correction. IEEE Transactions On Radiation And Plasma Medical Sciences 2025, PP: 1-1. DOI: 10.1109/trpms.2025.3566630.Peer-Reviewed Original ResearchAttenuation mapAttenuation correctionPET attenuation correctionAC PET imagesPET imagingQuantitative PET imagingPET reconstructionNon-attenuationAttenuation-corrected (ACTracer typeRadiation doseDL modelsDeep learning (DL)-based methodsMLAADL model trainingCorrectionPET signalNetwork performanceCompetitive performanceModel trainingAttenuationRadiationTracer activityM-CTPET
2023
Attenuation correction for PET imaging using conditional denoising diffusion probabilistic model
Dong Y, Jang S, Han P, Johnson K, Ma C, Fakhri G, Li Q, Gong K. Attenuation correction for PET imaging using conditional denoising diffusion probabilistic model. 2023, 00: 1-1. DOI: 10.1109/nssmicrtsd49126.2023.10338188.Peer-Reviewed Original ResearchDiffusion probabilistic modelGenerative adversarial networkConditional encodingAttenuation correctionDenoising diffusion probabilistic modelLow-level featuresProbabilistic modelAttenuation coefficientAdversarial networkExtract featuresPET/MR systemsEncodingPET acquisitionNovel methodDiffusion encodingMagnetic resonanceImagesPET imagingCorrectionMR imagingUNetAttenuationNetworkFeaturesResonance
2015
Continuous MR bone density measurement using water- and fat-suppressed projection imaging (WASPI) for PET attenuation correction in PET-MR
Huang C, Ouyang J, Reese T, Wu Y, Fakhri G, Ackerman J. Continuous MR bone density measurement using water- and fat-suppressed projection imaging (WASPI) for PET attenuation correction in PET-MR. Physics In Medicine And Biology 2015, 60: n369-n381. PMID: 26405761, PMCID: PMC4607313, DOI: 10.1088/0031-9155/60/20/n369.Peer-Reviewed Original ResearchConceptsAttenuation correctionUltrashort echo timeMR-based attenuation correctionProjection imagesPET attenuation correctionMR attenuation correctionPET-MRPulse sequenceEcho timeDensity variationsPET imagingCorrectionBone density variationWASPIDensity measurementsAttenuation variationsPhantomMR sequencesLack of signalPulseAttenuation
2013
Bias Atlases for Segmentation-Based PET Attenuation Correction Using PET-CT and MR
Ouyang J, Chun Y, Petibon Y, Bonab A, Alpert N, Fakhri G. Bias Atlases for Segmentation-Based PET Attenuation Correction Using PET-CT and MR. IEEE Transactions On Nuclear Science 2013, 60: 3373-3382. PMID: 24966415, PMCID: PMC4067048, DOI: 10.1109/tns.2013.2278624.Peer-Reviewed Original ResearchAttenuation correctionBias imagesLung density variationsPET attenuation correctionPET-MR scannersAttenuation mapFat identificationOriginal CTPET reconstructionOverall standard deviationPET-MRMR imagingVariation of biasDensity variationsCT-based studyPET accuracyPET-CTStandard deviation of biasCorrectionFat segmentationTissue classesPatientsSoft tissueAttenuationLung
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 artifactsPhantomBeamAttenuationTruncationReduction 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. 1995, 4: 1563-1567 vol.4. DOI: 10.1109/nssmic.1994.474764.Peer-Reviewed Original ResearchAttenuation mapTruncation artifactsAttenuation coefficientCompton scattered photonsTransmission projection dataParallel hole collimatorTransmission image reconstructionScattered photonsHole collimatorSPECT systemBeam transmissionPhantom studyReprojection dataProjection angleTransmission dataProjection dataImage reconstructionEmissionReduction of truncation artifactsEmission dataPhotonsCollimatorAttenuationSimultaneous transmissionAugmented data
1994
Monte Carlo simulation of transmission studies using a planar source with a parallel collimator and a line source with a fan-beam collimator
Ljungberg M, Strand S, Rajeevan N, King M. Monte Carlo simulation of transmission studies using a planar source with a parallel collimator and a line source with a fan-beam collimator. IEEE Transactions On Nuclear Science 1994, 41: 1577-1584. DOI: 10.1109/23.322952.Peer-Reviewed Original ResearchFan-beam transmission imagingFan-beam collimatorsEnergy windowDown-scatterMonte Carlo methodMonte Carlo simulationsCorrection of attenuationTransmission measurementsTransmission imagesCollimatorAttenuation coefficientPlanar sourceCarlo methodNonhomogeneous regionsMonteRadionuclidesCorrectionAttenuationEmissionEnergyTransmission studiesParallel
1993
Monte Carlo simulation of transmission studies using planar source with parallel collimators and line source with fan-beam collimators
Ljungberg M, Strand S, Rajeevan N, King M. Monte Carlo simulation of transmission studies using planar source with parallel collimators and line source with fan-beam collimators. 1993, 1620-1624 vol.3. DOI: 10.1109/nssmic.1993.373564.Peer-Reviewed Original ResearchMonte Carlo simulationsFan-beam transmission imagingFan-beam collimatorsEnergy windowDown-scatterCorrection of attenuationTransmission measurementsTransmission imagesCollimatorAttenuation coefficientPlanar sourceCarlo simulationsNonhomogeneous regionsMonteRadionuclidesCorrectionAttenuationEmissionEnergyTransmission studiesParallel
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