Search Results - "De Moura, Hector L"

Updates on Compositional MRI Mapping of the Cartilage: Emerging Techniques and Applications by Zibetti, Marcelo V. W., Menon, Rajiv G., Moura, Hector L., Zhang, Xiaoxia, Kijowski, Richard, Regatte, Ravinder R.

“…Osteoarthritis (OA) is a widely occurring degenerative joint disease that is severely debilitating and causes significant socioeconomic burdens to society…”
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Optimization of spin-lock times for T1ρ mapping of human knee cartilage with bi- and stretched-exponential models by de Moura, Hector L., Menon, Rajiv G., Zibetti, Marcelo V. W., Regatte, Ravinder R.

“…Two optimization criteria based on Cramér-Rao Bounds are compared between each other and with non-optimized schedules for T 1ρ mapping using synthetic data,…”
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Emerging Trends in Fast MRI Using Deep-Learning Reconstruction on Undersampled k-Space Data: A Systematic Review by Singh, Dilbag, Monga, Anmol, de Moura, Hector L, Zhang, Xiaoxia, Zibetti, Marcelo V W, Regatte, Ravinder R

“…Magnetic Resonance Imaging (MRI) is an essential medical imaging modality that provides excellent soft-tissue contrast and high-resolution images of the human…”
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Emerging Trends in Magnetic Resonance Fingerprinting for Quantitative Biomedical Imaging Applications: A Review by Monga, Anmol, Singh, Dilbag, de Moura, Hector L, Zhang, Xiaoxia, Zibetti, Marcelo V W, Regatte, Ravinder R

“…Magnetic resonance imaging (MRI) stands as a vital medical imaging technique, renowned for its ability to offer high-resolution images of the human body with…”
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MR electrical properties mapping using vision transformers and canny edge detectors by Giannakopoulos, Ilias I, Carluccio, Giuseppe, Keerthivasan, Mahesh B, Koerzdoerfer, Gregor, Lakshmanan, Karthik, De Moura, Hector L, Cruz Serrallés, José E, Lattanzi, Riccardo

“…We developed a 3D vision transformer-based neural network to reconstruct electrical properties (EP) from magnetic resonance measurements. Our network uses the…”
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Optimization of spin-lock times for T 1ρ mapping of human knee cartilage with bi- and stretched-exponential models by de Moura, Hector L, Menon, Rajiv G, Zibetti, Marcelo V W, Regatte, Ravinder R

“…Two optimization criteria based on Cramér-Rao Bounds are compared between each other and with non-optimized schedules for T mapping using synthetic data, model…”
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Performance of MR learned pulse sequences for 3D bi-exponential, stretched-exponential, and mono-exponential T 2 and T 1ρ mapping of knee cartilage by Zibetti, Marcelo V W, De Moura, Hector L, Monga, Anmol, Keerthivasan, Mahesh B, Regatte, Ravinder R

“…To compare the performance of a learned magnetization-prepared gradient echo (L-MPGRE) sequence against a commonly used sequence for 3D T and T mapping of the…”
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Performance of MR learned pulse sequences for 3D bi-exponential, stretched-exponential, and mono-exponential T2 and T1ρ mapping of knee cartilage by Zibetti, Marcelo V W, De Moura, Hector L, Monga, Anmol, Keerthivasan, Mahesh B, Regatte, Ravinder R

“…To compare the performance of a learned magnetization-prepared gradient echo (L-MPGRE) sequence against a commonly used sequence for 3D T2 and T1ρ mapping of…”
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Repeatability of Quantitative Knee Cartilage T1, T2, and T1ρ Mapping With 3D‐MRI Fingerprinting by Zhang, Xiaoxia, Moura, Hector L., Monga, Anmol, Zibetti, Marcelo V. W., Kijowski, Richard, Regatte, Ravinder R.

“…Background Three‐dimensional MR fingerprinting (3D‐MRF) techniques have been recently described for simultaneous multiparametric mapping of knee cartilage…”
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Age and gender differences in lumbar intervertebral disk strain using mechanical loading magnetic resonance imaging by Menon, Rajiv G, de Moura, Hector L, Kijowski, Richard, Regatte, Ravinder R

“…The objective of the current study was to investigate age- and gender-related differences in lumbar intervertebral disk (IVD) strain with the use of static…”
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Optimizing variable flip angles in magnetization‐prepared gradient‐echo sequences for efficient 3D‐T1ρ mapping by Zibetti, Marcelo V. W., De Moura, Hector L., Keerthivasan, Mahesh B., Regatte, Ravinder R.

“…Purpose To optimize the choice of the flip angles of magnetization‐prepared gradient‐echo sequences for improved accuracy, precision, and speed of 3D‐T1ρ…”
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Feasibility of 3D MRI fingerprinting for rapid knee cartilage T1, T2, and T1ρ mapping at 0.55T: Comparison with 3T by De Moura, Hector L., Monga, Anmol, Zhang, Xiaoxia, Zibetti, Marcelo V. W., Keerthivasan, Mahesh B., Regatte, Ravinder R.

“…Low‐field strength scanners present an opportunity for more inclusive imaging exams and bring several challenges including lower signal‐to‐noise ratio (SNR)…”
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Repeatability of Quantitative Knee Cartilage T 1 , T 2 , and T 1ρ Mapping With 3D‐MRI Fingerprinting by Zhang, Xiaoxia, de Moura, Hector L., Monga, Anmol, Zibetti, Marcelo V. W., Kijowski, Richard, Regatte, Ravinder R.

“…Background Three‐dimensional MR fingerprinting (3D‐MRF) techniques have been recently described for simultaneous multiparametric mapping of knee cartilage…”
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Feasibility of 3D MRI fingerprinting for rapid knee cartilage T 1 , T 2, and T 1ρ mapping at 0.55T: Comparison with 3T by De Moura, Hector L, Monga, Anmol, Zhang, Xiaoxia, Zibetti, Marcelo V W, Keerthivasan, Mahesh B, Regatte, Ravinder R

“…Low-field strength scanners present an opportunity for more inclusive imaging exams and bring several challenges including lower signal-to-noise ratio (SNR)…”
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Repeatability of Quantitative Knee Cartilage T 1 , T 2 , and T 1ρ Mapping With 3D-MRI Fingerprinting by Zhang, Xiaoxia, de Moura, Hector L, Monga, Anmol, Zibetti, Marcelo V W, Kijowski, Richard, Regatte, Ravinder R

“…Three-dimensional MR fingerprinting (3D-MRF) techniques have been recently described for simultaneous multiparametric mapping of knee cartilage. However,…”
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Twin Direct-Imaging Sensor for Flow Velocity Profiling in Two-Phase Mixtures by Botton, Luis F. S., de Moura, Hector L., Wrasse, Aluisio N., Pipa, Daniel R., Morales, Rigoberto E. M., da Silva, Marco J.

“…This paper describes a method for processing the data of a capacitive multielectrode (ECT-like) twin sensor for extraction of velocity profiles, which is…”
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Optimizing Variable Flip-Angles in Magnetization-Prepared Gradient Echo Sequences for Efficient 3D-T1rho Mapping by Zibetti, Marcelo V W, De Moura, Hector L, Keerthivasan, Mahesh B, Regatte, Ravinder R

“…Purpose: To optimize the choice of the flip-angles of magnetization-prepared gradient echo (MP-GRE) sequences for improved accuracy, precision, and speed of…”
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Adaptive time corrected gain for ultrasound through time-varying Wiener deconvolution by Pipa, Daniel R., Guarneri, Giovanni A., de Moura, Hector L.

“…Ultrasound testing techniques, either nondestructive (NDT) or medical, suffer from spatial signal attenuation, where equivalent scatterers at different…”
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