Publications
Publications by categories in reversed chronological order. Generated by jekyll-scholar.
2025
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Joint Reconstruction of the Activity and the Attenuation in PET by Diffusion Posterior Sampling: a Feasibility StudyIn International Conference on Fully Three-Dimensional Image Reconstruction in Radiology and Nuclear Medicine, 2025
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Solving Blind Inverse Problems: Adaptive Diffusion Models for Motion-corrected Sparse-view 4DCTIn International Conference on Fully Three-Dimensional Image Reconstruction in Radiology and Nuclear Medicine, 2025
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MHUconnect: Multi-Head U-Net Connecting All Energy Bins For Synergistic Spectral CT ReconstructionIn International Conference on Fully Three-Dimensional Image Reconstruction in Radiology and Nuclear Medicine, 2025
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Out-of-database Diffusion Posterior Sampling for Spectral CT Material DecompositionIn International Conference on Fully Three-Dimensional Image Reconstruction in Radiology and Nuclear Medicine, 2025
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Evaluation of deep learning-based scatter correction on a long-axial field-of-view PET scannerEuropean journal of nuclear medicine and molecular imaging, 2025
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Direct3\gammaPET: A Pipeline for Direct Three-gamma PET Image ReconstructionIEEE Transactions on Radiation and Plasma Medical Sciences, 2025
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Multi-Branch Generative Models for Multichannel Imaging With an Application to PET/CT Synergistic ReconstructionIEEE Transactions on Radiation and Plasma Medical Sciences, 2025
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Joint Reconstruction of Activity and Attenuation in PET by Diffusion Posterior Sampling in Wavelet Coefficient SpacearXiv preprint arXiv:2505.18782, 2025
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Adaptive Diffusion Models for Motion-corrected Cone-beam Head CTarXiv preprint arXiv:2504.14033, 2025
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Material Decomposition in Photon-Counting Computed Tomography with Diffusion Models: Comparative Study and Hybridization with Variational RegularizersarXiv preprint arXiv:2503.15383, 2025
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Semi-Supervised Learning for Dose Prediction in Targeted Radionuclide: A Synthetic Data StudyarXiv preprint arXiv:2503.05367, 2025
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Dual-Input Dynamic Convolution for Positron Range Correction in PET Image ReconstructionarXiv preprint arXiv:2503.00587, 2025
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Direct Dual-Energy CT Material Decomposition using Model-based Denoising Diffusion ModelarXiv preprint arXiv:2507.18012, 2025
2024
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Spectral CT Two-step and One-step Material Decomposition using Diffusion Posterior SamplingIn European Signal Processing Conference (EUSIPCO), 2024
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Synergistic PET/MR reconstruction with VAE constraintIn EUSIPCO 2024-32nd European Signal Processing Conference, 2024
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Fast-track of F-18 positron paths simulations using GANsIn 2024 IEEE 21st international symposium on biomedical imaging (ISBI 2024), 2024
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Diffusion posterior sampling for synergistic reconstruction in spectral computed tomographyIn 2024 IEEE 21st international symposium on biomedical imaging (ISBI 2024). IEEE, 2024
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One Linear Layer is all you Need for Positron Range Estimation and CorrectionIn IEEE Nuclear Science Symposium, Medical Imaging Conference and Room Temperature Semiconductor Detectors Detector Conference, 2024
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Pre-therapy dose prediction in targeted radionuclide therapy using semi-supervised learning: An in-silico preliminary studyIn IEEE Nuclear Science Symposium, Medical Imaging Conference and Room Temperature Semiconductor Detectors Detector Conference, 2024
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Detector-Pixel Interactions via Transformer Encoders: A Direct Approach for PET Image ReconstructionIn IEEE Nuclear Science Symposium, Medical Imaging Conference and Room Temperature Semiconductor Detectors Detector Conference, 2024
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Bimodal PET/MRI generative reconstruction based on VAE architecturesPhysics in Medicine & Biology, 2024
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A Review on Low-Dose Emission Tomography Post-Reconstruction Denoising With Neural Network ApproachesIEEE Transactions on Radiation and Plasma Medical Sciences, 2024
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Uconnect: Synergistic Spectral CT Reconstruction With U-Nets Connecting the Energy BinsIEEE Transactions on Radiation and Plasma Medical Sciences, 2024
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Systematic Review on Learning-based Spectral CTIEEE Transactions on Radiation and Plasma Medical Sciences, 2024
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CConnect: Synergistic Convolutional Regularization for Cartesian T2* MappingarXiv preprint arXiv:2404.18182, 2024
2023
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Joint PET/CT Reconstruction Using a Double Variational AutoencoderIn IEEE Nuclear Science Symposium, Medical Imaging Conference and Room Temperature Semiconductor Detectors Conference, 2023
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Synergistic PET/CT Reconstruction Using a Joint Generative ModelIn International Conference on Fully Three-Dimensional Image Reconstruction in Radiology and Nuclear Medicine, 2023
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VAE constrained MR guided PET reconstructionIn International Conference on Fully Three-Dimensional Image Reconstruction in Radiology and Nuclear Medicine, 2023
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PET scatter estimation using deep learning U-Net architecturePhysics in Medicine & Biology, 2023
2022
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Synergistic Multi-Energy Reconstruction with a Deep Penalty “Connecting the Energies”In IEEE Nuclear Science Symposium, Medical Imaging Conference and Room Temperature Semiconductor Detectors Conference, 2022
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Three-gamma PET image reconstruction using Graph Neural NetworksIn IEEE Nuclear Science Symposium, Medical Imaging Conference and Room Temperature Semiconductor Detectors Conference, 2022
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C-DenseNet: A direct neural network-based approach for Total Body PET Image ReconstructionIn IEEE Nuclear Science Symposium, , Medical Imaging Conference and Room Temperature Semiconductor Detectors Conference, 2022
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LRR-CED: low-resolution reconstruction-aware convolutional encoder–decoder network for direct sparse-view CT image reconstructionPhysics in Medicine & Biology, 2022
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Multi-channel convolutional analysis operator learning for dual-energy CT reconstructionPhysics in Medicine & Biology, 2022
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2021
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Deep learning based Direct Sparse-View CT Image Reconstruction with Concatenated U-NetIn IEEE Nuclear Science Symposium, Medical Imaging Conference and Room Temperature Semiconductor Detectors Conference, 2021
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Dual-Energy CT Reconstruction with Convolutional Analysis Operator LearningIn IEEE Nuclear Science Symposium, Medical Imaging Conference and Room Temperature Semiconductor Detectors Conference, 2021
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Sparse-View Joint Reconstruction and Material Decomposition for Dual-Energy Cone-Beam Computed TomographyIn International Conference on Fully Three-Dimensional Image Reconstruction in Radiology and Nuclear Medicine, 2021
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Detection Efficiency Modelling and Joint Activity and Attenuation Reconstruction in non-TOF 3D PET from Multiple-Energy Window DataIEEE Transactions on Radiation and Plasma Medical Sciences, 2021
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A Pseudo-TOF Image Reconstruction Approach for Three-Gamma Small Animal ImagingIEEE Transactions on Radiation and Plasma Medical Sciences, 2021
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Penalized PET/CT Reconstruction Algorithms with Automatic Realignment for Anatomical PriorsIEEE Transactions on Radiation and Plasma Medical Sciences, 2021
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DUG-RECON: A Framework for Direct Image Reconstruction using Convolutional Generative NetworksIEEE Transactions on Radiation and Plasma Medical Sciences, 2021
2020
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A single dual-tracer PET imaging acquisition to provide information on tumor heterogeneitiesIn IEEE Nuclear Science Symposium, Medical Imaging Conference and Room Temperature Semiconductor Detectors Conference, 2020
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Normalisation factor estimation in non-TOF 3D PET from multiple-energy window dataIn IEEE Nuclear Science Symposium, Medical Imaging Conference and Room Temperature Semiconductor Detectors Conference, 2020
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A Coupled Image-Motion Dictionary Learning algorithm for Motion Estimation-Compensation in Cone-Beam Computed TomographyIn IEEE Nuclear Science Symposium, Medical Imaging Conference and Room Temperature Semiconductor Detectors Conference, 2020
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Deep Learning based scatter correction for PET imagingIn IEEE Nuclear Science Symposium, Medical Imaging Conference and Room Temperature Semiconductor Detectors Conference, 2020
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Improved PET/CT Respiratory Motion Compensation by Incorporating Changes in Lung DensityIEEE Transactions on Radiation and Plasma Medical Sciences, 2020
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Joint Activity, Attenuation and Scatter Estimation from Multiple Energy Window Data in non-TOF 3D PET: a preliminary studyIEEE Transactions on Radiation and Plasma Medical Sciences, 2020
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Effect of Attenuation Mismatches in Time of Flight PET ReconstructionPhysics in Medicine & Biology, 2020
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PET Reconstruction with non-Negativity Constraints in Projection Space: Optimization Through Hypo-ConvergenceIEEE Transactions on Medical Imaging, 2020
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Benefits of Using a Spatially-variant Penalty Strength with Anatomical Priors in PET ReconstructionIEEE Transactions on Medical Imaging, 2020
2019
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Direct Image Reconstruction using Generative Deep Learning NetworksIn IEEE Nuclear Science Symposium, Medical Imaging Conference and Room Temperature Semiconductor Detectors Conference, 2019
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Mass Preservation for Respiratory Motion Registration in both PET and CTIn IEEE Nuclear Science Symposium, Medical Imaging Conference and Room Temperature Semiconductor Detectors Conference, 2019
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Respiratory Motion Correction in Dynamic PET with a Single Attenuation MapIn IEEE Nuclear Science Symposium, Medical Imaging Conference and Room Temperature Semiconductor Detectors Conference, 2019
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Ensemble of Neural Networks for 3D Position Estimation in Monolithic PET DetectorsIn IEEE Nuclear Science Symposium, Medical Imaging Conference and Room Temperature Semiconductor Detectors Conference, 2019
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Dependence Of Error Propagation Due To An Incorrect Attenuation Map On PET Time-of-Flight ResolutionIn Eur. Assoc. Nucl. Med., 2019
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Ensemble of Neural Networks for 3D Position Estimation in Monolithic PET DetectorsPhysics in Medicine & Biology, 2019
2018
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Markov random field and Gaussian mixture for segmented MRI-based partial volume correction in PETIn IEEE Nuclear Science Symposium, Medical Imaging Conference and Room Temperature Semiconductor Detectors Conference, 2018
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Maximum-likelihood estimation of emission and attenuation images in 3D PET from multiple energy window measurementsIn IEEE Nuclear Science Symposium, Medical Imaging Conference and Room Temperature Semiconductor Detectors Conference, 2018
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PET Reconstruction with non-Negativity Constraints in Projection Space: Optimization Through Hypo-ConvergenceIn IEEE Nuclear Science Symposium, Medical Imaging Conference and Room Temperature Semiconductor Detectors Conference, 2018
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Algorithms for Solving Misalignment Issues in Penalized PET/CT Reconstruction Using Anatomical PriorsIn IEEE Nuclear Science Symposium, Medical Imaging Conference and Room Temperature Semiconductor Detectors Conference, 2018
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Fast Quasi-Newton Algorithms for Penalized Reconstruction in Emission Tomography and Further Improvements via PreconditioningIEEE Transactions on Medical Imaging, 2018
2017
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Spatially-variant Strength for Anatomical Priors in PET ReconstructionIn IEEE Nuclear Science Symposium, Medical Imaging Conference and Room Temperature Semiconductor Detectors Conference, 2017
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Potential benefits of incorporating energy information when estimating attenuation from PET dataIn IEEE Nuclear Science Symposium, Medical Imaging Conference and Room Temperature Semiconductor Detectors Conference, 2017
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Fast Gated PET Direct Motion Estimation Using Ordered SubsetsIn International Conference on Fully Three-Dimensional Image Reconstruction in Radiology and Nuclear Medicine, 2017
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Evaluation of a Direct Motion Estimation/Correction Method in Respiratory-Gated PET/MRI with Motion-Adjusted AttenuationMedical Physics, 2017
2016
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Joint Activity/Attenuation Reconstruction in SPECT Using Photopeak and Scatter SinogramsIn IEEE Nuclear Science Symposium, Medical Imaging Conference and Room Temperature Semiconductor Detectors Conference, 2016
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Joint Reconstruction of Activity and Attenuation in Dynamic PETIn IEEE Nuclear Science Symposium, Medical Imaging Conference and Room Temperature Semiconductor Detectors Conference, 2016
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Performance Improvement and Validation of a New MAP Reconstruction AlgorithmIn IEEE Nuclear Science Symposium, Medical Imaging Conference and Room Temperature Semiconductor Detectors Conference, 2016
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Maximum-Likelihood Joint Image Reconstruction/Motion Estimation in Attenuation-Corrected Respiratory Gated PET/CT using a Single Attenuation MapIEEE Transactions on Medical Imaging, 2016
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Maximum-Likelihood Joint Image Reconstruction and Motion Estimation with Misaligned Attenuation in TOF-PET/CTPhysics in Medicine & Biology, 2016
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Direct parametric reconstruction with joint motion estimation/correction for dynamic brain PET dataIEEE Transactions on Medical Imaging, 2016
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PETPVC: a toolbox for performing partial volume correction techniques in positron emission tomographyPhysics in Medicine & Biology, 2016
2015
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Performance evaluation of MAP algorithms with different penalties, object geometries and noise levelsIn IEEE Nuclear Science Symposium, Medical Imaging Conference and Room Temperature Semiconductor Detectors Conference, 2015
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Direct joint motion estimation/image reconstruction in attenuation-corrected gated PET/CT without gated CTIn International Conference on Fully Three-Dimensional Image Reconstruction in Radiology and Nuclear Medicine, 2015
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2014
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An algorithm for direct 4-D PET image reconstruction/non-rigid motion estimation with limited MRI prior informationIn IEEE Nuclear Science Symposium, Medical Imaging Conference and Room Temperature Semiconductor Detectors Conference, 2014
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4-D PET joint image reconstruction/non-rigid motion estimation with limited MRI prior informationIn EJNMMI physics, 2014
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Joint parametric reconstruction and motion correction framework for dynamic PET dataIn Medical Image Computing and Computer-Assisted Intervention–MICCAI 2014: 17th International Conference, Boston, MA, USA, September 14–18, 2014, Proceedings, Part I 17, 2014
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Framework for the construction of a Monte Carlo simulated brain PET-MR image databaseNuclear Instruments and Methods in Physics Research Section A, 2014
2013
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Variance prediction in SPECT reconstruction based on the Fisher information using a novel angular blurring algorithm for computation of the system matrixIn IEEE Nuclear Science Symposium, Medical Imaging Conference and Room Temperature Semiconductor Detectors Conference, 2013
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Design optimization and evaluation of a human brain SPECT-MRI insert based on high-resolution detectors and slit-slat collimatorsIn IEEE Nuclear Science Symposium, Medical Imaging Conference and Room Temperature Semiconductor Detectors Conference, 2013
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Angular rebinning for geometry independent SPECT reconstructionIn International Conference on Fully Three-Dimensional Image Reconstruction in Radiology and Nuclear Medicine, 2013
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What approach to brain partial volume correction is best for PET/MRI?Nuclear Instruments and Methods in Physics Research Section A, 2013
2012
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A comparison of the options for brain partial volume correction using PET/MRIIn IEEE Nuclear Science Symposium, Medical Imaging Conference and Room Temperature Semiconductor Detectors Conference, 2012
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Monotonic algorithm for joint entropy-based anatomical priors in parametric PET image reconstructionIn IEEE Nuclear Science Symposium, Medical Imaging Conference and Room Temperature Semiconductor Detectors Conference, 2012
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Unifying global and local statistical measures for anatomy-guided emission tomography reconstructionIn IEEE Nuclear Science Symposium, Medical Imaging Conference and Room Temperature Semiconductor Detectors Conference, 2012
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An anatomically driven anisotropic diffusion filtering method for 3D SPECT reconstructionPhysics in Medicine & Biology, 2012
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Markov random field and Gaussian mixture for segmented MRI-based partial volume correction in PETPhysics in Medicine & Biology, 2012
2011
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Edge preserving Bowsher prior with nonlocal weighting for 3D SPECT reconstructionIn IEEE Int. Symp. on Bio-med. Imag.: From Nano to Macro, 2011
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4-D generative model for PET/MRI reconstructionIn Medical Image Computing and Computer-Assisted Intervention–MICCAI 2011: 14th International Conference, Toronto, Canada, September 18–22, 2011, Proceedings, Part I 14, 2011
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Robust anisotropic diffusion prior with anatomical regularization for 3D SPECT reconstructionIn International Conference on Fully Three-Dimensional Image Reconstruction in Radiology and Nuclear Medicine, 2011
2010
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GPU accelerated rotation-based emission tomography reconstructionIn IEEE Nuclear Science Symposium, Medical Imaging Conference and Room Temperature Semiconductor Detectors Conference, 2010
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Weighted MRI-Based Bowsher priors for SPECT brain image reconstructionIn IEEE Nuclear Science Symposium, Medical Imaging Conference and Room Temperature Semiconductor Detectors Conference, 2010
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Class conditional entropic prior for MRI enhanced SPECT reconstructionIn IEEE Nuclear Science Symposium, Medical Imaging Conference and Room Temperature Semiconductor Detectors Conference, 2010
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ET Bayesian reconstruction using automatic bandwidth selection for joint entropy optimizationIn IEEE Nuclear Science Symposium, Medical Imaging Conference and Room Temperature Semiconductor Detectors Conference, 2010
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Estimating an attenuation map from measured scatter for 180o cardiac SPECTIn Soc. of Nuclear. Med. Abstracts, 2010
2009
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Motion compensated tomography reconstruction of coronary arteries in rotational angiographyIEEE Transactions on Biomedical Engineering, 2009
2008
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A blob-based tomographic reconstruction of 3D coronary trees from rotational X-ray angiographyIn Medical Imaging 2008: Physics of Medical Imaging, 2008
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Motion estimation in X-ray rotational angiography using a 3-D Deformable coronary tree modelIn Comp. in Cardio., 2008
2007
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Simulation Environment for the Evaluation of 3D Coronary Tree Reconstruction Algorithms in Rotational AngiographyIn International Conference of the IEEE Engineering in Medicine and Biology Society, 2007
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A Bayesian MAP-EM algorithm for PET image reconstruction using wavelet transformIEEE Transactions on Nuclear Science, 2007
2006
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A multiscale tracking algorithm for the coronary extraction in MSCT angiographyIn International Conference of the IEEE Engineering in Medicine and Biology Society, 2006
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Temporal tracking of coronaries in MSCTA by means of 3D geometrical momentsIn International Conference of the IEEE Engineering in Medicine and Biology Society, 2006
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2005
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A level set method for vessel segmentation in coronary angiographyIn International Conference of the IEEE Engineering in Medicine and Biology Society, 2005