2025
Combining Rule-based NLP-lite with Rapid Iterative Chart Adjudication for Creation of a Large, Accurately Curated Cohort from EHR data: A Case Study in the Context of a Clinical Trial Emulation.
Mutalik P, Cheung K, Green J, Buelt-Gebhardt M, Anderson K, Jeanpaul V, McDonald L, Wininger M, Li Y, Rajeevan N, Jessel P, Moore H, Adabag S, Raitt M, Aslan M. Combining Rule-based NLP-lite with Rapid Iterative Chart Adjudication for Creation of a Large, Accurately Curated Cohort from EHR data: A Case Study in the Context of a Clinical Trial Emulation. AMIA Annual Symposium Proceedings 2025, 2024: 847-856. PMID: 40417550, PMCID: PMC12099393.Peer-Reviewed Original ResearchConceptsCorporate Data WarehouseNon-expertsClinical AI applicationsData warehouseAI applicationsVirtual emulationEHR dataClinical decision criteriaExtract informationCurated datasetComputational algorithmDecision criteriaTraining toolEmulationClinical notesStructural dataCase studyAlgorithmEHRDatasetWarehouseComputerInclusion/exclusion decisions
2006
BioImage Suite: An integrated medical image analysis suite: An update.
Papademetris X, Jackowski MP, Rajeevan N, DiStasio M, Okuda H, Constable RT, Staib LH. BioImage Suite: An integrated medical image analysis suite: An update. Insight Journal 2006, 2006: 209. PMID: 25364771, PMCID: PMC4213804, DOI: 10.54294/2g80r4.Peer-Reviewed Original ResearchVisualization ToolkitInsight ToolkitUser-friendly user interfaceTcl scripting languageArea of segmentationAnalysis software suiteScripting languageUser interfaceImage processingBioImage SuiteSoftware suiteAdditional algorithmsAnalysis suiteBeta versionImage analysisToolkitSuiteSegmentationDownloadAlgorithmLanguageYaleRegistrationProcessingUpdate
1992
Quantitative SPECT imaging: compensation for nonuniform attenuation, scatter, and detector divergence
Rajeevan N, Penney B, King M. Quantitative SPECT imaging: compensation for nonuniform attenuation, scatter, and detector divergence. 1992, 995-997 vol.2. DOI: 10.1109/nssmic.1992.301080.Peer-Reviewed Original ResearchPosition-dependent point-spread functionAttenuation mapNonuniform attenuationNonuniform attenuation mapReconstructed SPECT imagesRobust estimation techniquesThree-headed SPECT systemBeam collimationSPECT systemPoint spread functionPhysical phantomChange algorithmEstimation techniquesQuantitative accuracyTransmission dataFocal lineAttenuating mediaScatteringReconstruction algorithmSpread functionScattering responseDetectorSource of activityAlgorithmReconstruction method
1991
An accelerated 3D maximum likelihood SPECT image reconstruction
Rajeevan N, Penney B, Byrne C. An accelerated 3D maximum likelihood SPECT image reconstruction. 1991, 1963-1968 vol.3. DOI: 10.1109/nssmic.1991.259260.Peer-Reviewed Original ResearchVector extrapolation techniquesMLE algorithmImage reconstructionProjector-backprojector pairSPECT image reconstructionIterative algorithmAlgorithmComputation timeScheme resultsMaximum likelihood estimationAcceleration schemeSPECT systemExtrapolation techniquePatient dataBlurComputerTwo-DimensionalScheme
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