2024
Self-supervised Pre-training Tasks for an fMRI Time-Series Transformer in Autism Detection
Zhou Y, Duan P, Du Y, Dvornek N. Self-supervised Pre-training Tasks for an fMRI Time-Series Transformer in Autism Detection. Lecture Notes In Computer Science 2024, 15266: 145-154. DOI: 10.1007/978-3-031-78761-4_14.Peer-Reviewed Original ResearchSelf-supervised pre-training tasksPre-training tasksFunctional magnetic resonance imagingPre-training stepTransformer-based modelsTime-series fMRI dataTraining data availabilityAutism spectrum disorderTime series transformationsTransformation modelMachine learning methodsFunctional magnetic resonance imaging time-series dataClassification taskPublic datasetsTraining dataOver-fittingComputed functional connectivityLearning methodsModel performanceMasking strategyAutism detectionCross-validationTaskDatasetAverage improvement
2023
Learning Sequential Information in Task-Based fMRI for Synthetic Data Augmentation
Wang J, Dvornek N, Staib L, Duncan J. Learning Sequential Information in Task-Based fMRI for Synthetic Data Augmentation. Lecture Notes In Computer Science 2023, 14312: 79-88. PMID: 39281201, PMCID: PMC11395879, DOI: 10.1007/978-3-031-44858-4_8.Peer-Reviewed Original ResearchFunctional magnetic resonance imagesData augmentationClassification taskSpecific cognitive tasksMedical image analysisSynthetic data augmentationEffective data augmentationDownstream learning tasksCognitive tasksVariational autoencoder modelLearning taskTraining dataAutoencoder modelTemporal informationTraining datasetSequential informationSynthetic imagesTaskFMRI sequencesImage analysisMultiple perspectivesMagnetic resonance imagesImagesDifferent alternativesPersistent issue