Thibault Marin, PhD
Assistant Professor of Radiology and Biomedical ImagingCards
About
Research
Publications
2026
Characterization and Initial Optimization of Reconstruction Performance for Detector Crosstalk of Ultra-high Performance Brain PET Imager
Zhang J, Fontaine K, Li T, Gravel P, Toyonaga T, Hu Y, Gallezot J, Zeng T, Volpi T, Lu Y, Marin T, Qi J, Carson R. Characterization and Initial Optimization of Reconstruction Performance for Detector Crosstalk of Ultra-high Performance Brain PET Imager. IEEE Transactions On Radiation And Plasma Medical Sciences 2026, PP: 1-1. DOI: 10.1109/trpms.2026.3698769.Peer-Reviewed Original ResearchDepth of interactionDetector crosstalkSpatial resolutionHigh-resolution PET systemsCompton scatteringScintillation crystalsPET systemBrain phantomCrystal elementsPoint spread functionHigh-sensitivity requirementsOptical isolatorMeasured energyInteraction pointBrain PET imagingPET/CT systemReal phantomReconstruction performancePartial volume effectsImage contrastHigh image contrastSpread functionPhantomResolution characterizationCrosstalk eventsScan-wise generalized PET denoising with contrastive adversarial learning
Liu X, Marin T, Eslahi S, Tiss A, Chemli Y, Najmaoui Y, Jang S, Fakhri G, Ouyang J. Scan-wise generalized PET denoising with contrastive adversarial learning. Physics In Medicine And Biology 2026, 71: 105030. PMID: 42173146, PMCID: PMC13312193, DOI: 10.1088/1361-6560/ae7231.Peer-Reviewed Original ResearchConceptsAdversarial frameworkContrastive lossDomain generalizationCross-entropyPeak signal-to-noise ratioSuperior denoising performanceContrastive learning schemeStructural similarity indexNoise realizationsAdversarial learningAdversarial trainingDenoising performanceSignal-to-noise ratioLearning schemeNegative pairsDeep learningAdversarial methodsPositive pairsStandard baselinesMutual informationDenoisingPerformance degradationSimilarity indexDistribution shiftsDomain distributionDirect Cardiac T1 Mapping with Subspace Modeling and Free-breathing Data Acquisition
Marin T, Han P, Szezurek D, Zhuo Y, Mounime I, Djebra Y, Lee W, Fakhri G, Ma C. Direct Cardiac T1 Mapping with Subspace Modeling and Free-breathing Data Acquisition. IEEE Transactions On Biomedical Engineering 2026, PP: 1-10. PMID: 42184172, PMCID: PMC13249525, DOI: 10.1109/tbme.2026.3696845.Peer-Reviewed Original ResearchAlternating Direction Method of MultipliersAlternating Direction MethodSubspace modelTotal variationImage denoising problemLow-rank constraintEstimation frameworkImage reconstruction problemEnd-to-endMethod of MultipliersDenoising problemSparsity constraintData acquisitionReconstruction frameworkReconstruction problemImage reconstructionOptimization problemFree breathingNumerical simulationsSubspaceFree-breathing acquisitionRelaxation modelPhysical knowledgeFrameworkImagesLatent diffusion transformers for 3D head and neck tumor segmentation
Dong Y, Marin T, Grogg K, Beddok A, Liu X, Moteabbed M, Woo J, Ma C, Fakhri G. Latent diffusion transformers for 3D head and neck tumor segmentation. Progress In Biomedical Optics And Imaging 2026, 13926: 31. DOI: 10.1117/12.3085831.Peer-Reviewed Original ResearchGross tumor volumeFowlkes–Mallows scoreExpressive powerAccurate segmentationComputed tomographyTumor segmentationFluorodeoxyglucose positron emission tomographyMedical image dataRadiotherapy planningGlobal spatial dependenciesLatent representationVision TransformerTransformer architectureComprehensive experimentsPositron emission tomographyH tumorsTumor volumeFDG-PETBoundary accuracyMask generationClinical decision-makingDice scoreVolumetric inputSuperior performanceEmission tomographyPET Imaging in Head and Neck Squamous Cell Carcinoma: from Staging to Response Assessment
Beddok A, Prendergast C, Seban R, Safri S, Valika T, Ammari S, Bidault F, Sun R, Rozenblum L, Liao M, McGale J, Marin T, Tordjman M, Nguyen P, Naim A, Schwartz L, De Jong D, Papathanassiou D, Dercle L. PET Imaging in Head and Neck Squamous Cell Carcinoma: from Staging to Response Assessment. Current Oncology Reports 2026, 28: 13. PMID: 41661435, DOI: 10.1007/s11912-026-01745-y.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsHead and neck squamous cell carcinomaManagement of head and neck squamous cell carcinomaNeck squamous cell carcinomaSquamous cell carcinomaCell carcinomaPET imagingPositron Emission Tomography/Computed TomographyIndividualized radiotherapy plansMetabolic tumor volumeTotal lesion glycolysisEmission Tomography/Computed TomographyPersonalized managementPost-treatment settingCancer-associated fibroblastsLesion glycolysisNeck dissectionTomography/Computed TomographyTarget delineationDistant metastasisRadiotherapy planningTumor volumeAdvanced-stagePrognostic valueResponse assessmentAnatomic extentFree‐Running Three‐Dimensional Cardiac Extracellular Volume Mapping in a Single Scan With Mid‐Scan Contrast Injection
Lee W, Han P, Marin T, Mounime I, Chi D, Bijari F, Normandin M, Fakhri G, Ma C. Free‐Running Three‐Dimensional Cardiac Extracellular Volume Mapping in a Single Scan With Mid‐Scan Contrast Injection. Magnetic Resonance In Medicine 2026, 95: 3360-3368. PMID: 41656589, PMCID: PMC13049254, DOI: 10.1002/mrm.70293.Peer-Reviewed Original ResearchSignal modelContrast injectionECV mapsMR signal modelCine imagesThree-dimensionalK-space dataInversion recoveryExtracellular volume mappingSpace alignmentContrast agent injectionCardiac MR imagesEjection fractionIn vivo studiesCardiac cine imagingEstimated ejection fractionHealthy subjectsHematocrit levelsAgent injectionMR imagingBlood samplesHeart motionGradient echo readout
2025
Physics-Informed List-Mode Deep Image Prior Reconstruction with Motion Correction in 3D Brain PET
Chemli Y, Najmaoui Y, Normandin M, Fakhri G, Marin T, Ouyang J. Physics-Informed List-Mode Deep Image Prior Reconstruction with Motion Correction in 3D Brain PET. 2025 IEEE Nuclear Science Symposium (NSS), Medical Imaging Conference (MIC) And Room Temperature Semiconductor Detector Conference (RTSD) 2025, 1-2. DOI: 10.1109/nss/mic/rtsd57106.2025.11287851.Peer-Reviewed Original ResearchDeep Image PriorList-modeContrast recoveryMotion correctionList-mode eventsReconstructed activity distributionHoffman brain phantomNoise-resolution trade-offML-EM reconstructionLow-count dataResolution phantomBrain phantomBrain positron emission tomographySuper-resolution effectActivity distributionModel attenuationML-EMBack-projection operationsFine structureDown-sampled dataNegative log-likelihoodImage registrationUnsupervised regularizerBack-projectionImage priorsMulticenter PET Image Harmonization Using Style-Guided CycleGAN in Primary Central Nervous System Lymphoma : InStyleGAN
Arzur D, Marin T, Horowitz T, Kas A, El Fakhri G, Mhiri I, Rozenblum L. Multicenter PET Image Harmonization Using Style-Guided CycleGAN in Primary Central Nervous System Lymphoma : InStyleGAN. Lecture Notes In Computer Science 2025, 16164: 126-138. DOI: 10.1007/978-3-032-07904-6_12.ChaptersRobust deep learning modelAdaptive instance normalizationTarget modalityDeep learning modelsInstance NormalizationDistribution alignmentDomain shiftImage harmonizationModel generalizationLatent domainsLearning modelsComputational costNon-scalableCycleGANImage dataData pairsPrimary central nervous system lymphomaAcquisition settingsFrameworkCentral nervous system lymphomaPET dataDomainDataNervous system lymphomaHarmonized frameworkLR-PET: A Subspace-Based Dynamic PET Imaging via Explicit Non-Negative Low-Rank Factorization
Djebra Y, Najmaoui Y, Chemli Y, Normandin M, Fakhri G, Ma C, Marin T. LR-PET: A Subspace-Based Dynamic PET Imaging via Explicit Non-Negative Low-Rank Factorization. 2025, 00: 1-1. DOI: 10.1109/nss/mic/rtsd57106.2025.11286709.Peer-Reviewed Original ResearchYRT-PET: An Open-Source GPU-Accelerated Image Reconstruction Engine for Positron Emission Tomography
Najmaoui Y, Chemli Y, Toussaint M, Petibon Y, Marty B, Fontaine K, Gallezot J, Razdevsek G, Orehar M, Dhaynaut M, Guehl N, Dolenec R, Pestotnik R, Johnson K, Ouyang J, Normandin M, Tetrault M, Lecomte R, Fakhri G, Marin T. YRT-PET: An Open-Source GPU-Accelerated Image Reconstruction Engine for Positron Emission Tomography. IEEE Transactions On Radiation And Plasma Medical Sciences 2025, 10: 535-546. PMID: 41424471, PMCID: PMC12714321, DOI: 10.1109/trpms.2025.3619872.Peer-Reviewed Original ResearchThis study introduces YRT-PET, an open-source GPU-accelerated software for PET image reconstruction, demonstrating high flexibility, speed, and compatibility with existing tools for dynamic imaging and motion correction.
News
News
- June 02, 2025
Zeng receives travel award for SNMMI
- March 05, 2025
PET mapping of receptor occupancy using joint direct parametric reconstruction
- February 03, 2025Source: Magnetic Resonance in Imaging
Free‐breathing 3D cardiac extracellular volume (ECV) mapping using a linear tangent space alignment (LTSA) model
- January 24, 2025
Welcome New Faculty, Fellows & Staff to Yale BIDS