2021
Symmetric-Constrained Irregular Structure Inpainting for Brain MRI Registration with Tumor Pathology
Liu X, Xing F, Yang C, Kuo C, El Fakhri G, Woo J. Symmetric-Constrained Irregular Structure Inpainting for Brain MRI Registration with Tumor Pathology. Lecture Notes In Computer Science 2021, 12658: 80-91. PMID: 34013242, PMCID: PMC8130838, DOI: 10.1007/978-3-030-72084-1_8.Peer-Reviewed Original ResearchSimilarity measurePeak signal-to-noise ratioImage-to-image translationIncreased peak signal-to-noise ratioPatient imagesBrain MRI registrationMultimodal brain tumor segmentationStructural similarity indexRegistration similarity measurePatch-wise featuresBrain image registrationBrain tumor segmentationDeformable registrationStructure inpaintingInception ScoreRegistration of magnetic resonance imagesTumor regionInpainting frameworkInpainting methodRefinement moduleSignal-to-noise ratioSemantic relevanceMRI registrationOriginal patient dataSymmetry constraints
2020
High-performance rapid MR parameter mapping using model-based deep adversarial learning
Liu F, Kijowski R, Feng L, El Fakhri G. High-performance rapid MR parameter mapping using model-based deep adversarial learning. Magnetic Resonance Imaging 2020, 74: 152-160. PMID: 32980503, PMCID: PMC7669737, DOI: 10.1016/j.mri.2020.09.021.Peer-Reviewed Original ResearchConceptsConvolutional neural networkMR parameter mappingAdversarial learningState-of-the-art reconstruction methodsEnd-to-end convolutional neural networkUndersampled k-space dataConvolutional neural network approachAdversarial learning approachState-of-the-artStructural similarity indexImage reconstruction frameworkEnd-to-endImage sharpnessData consistencyConventional reconstruction approachesReconstruction approachK-space dataImprove image sharpnessImage reconstruction approachEstimated parameter mapsImage sparsityTexture restorationNetwork trainingImage datasetsReconstruction performance
2019
PET Image Deblurring and Super-Resolution With an MR-Based Joint Entropy Prior
Song T, Yang F, Chowdhury S, Kim K, Johnson K, Fakhri G, Li Q, Dutta J. PET Image Deblurring and Super-Resolution With an MR-Based Joint Entropy Prior. IEEE Transactions On Computational Imaging 2019, 5: 530-539. PMID: 31723575, PMCID: PMC6853071, DOI: 10.1109/tci.2019.2913287.Peer-Reviewed Original ResearchContrast-to-noise ratioStructural similarity indexHoffman phantomImage deblurringDigital phantomPhantom studyPeak signal-to-noise ratioSuper-resolution frameworkQuantitative accuracySimilarity indexSignal-to-noise ratioSpatial resolutionPhantomImage quantitationSuper-resolutionTau imaging studiesImage qualityPET imagingDeblurringHigh-resolution MR imagingRoot mean square errorSimulation studyBrainWebPost-processingPenalty function