Acquisition & Reconstruction Methods
In addition to numerous specific application areas, our group spends considerable time developing new MRI techniques that can be applied broadly. These include RF pulse design, MRI pulse sequences, reconstruction algorithms and image analysis tools, as well as "packages" that combine some of these elements.
SNR-Weighted Regularization of ADC Estimates from Double‐Echo in Steady‐State (DESS)
Osteoarthritis is a difficult condition that has painful and debilitating effects on many people, leading to high medical costs.
MR Imaging of Magnetic Ink Patterns via Off-Resonance Sensitivity
The magnetic susceptibility effects of magnetic ink in MRI can be exploited to visualize magnetic ink patterns placed on the skin.
Super-Resolution Musculoskeletal MRI Using Deep Learning
In this manuscript, we have demonstrated a method termed ‘DeepResolve’, which can transform low-resolution magnetic resonance images (MRI) into higher-resolution images.
Artifact-Reduced Imaging of Biopsy Needles with 2D Multispectral Imaging
We have validated the use of an MR imaging method that reduces the image artifacts due to metal objects for tracking biopsy needles in MR-guided procedures.
MRI Monitoring of Focused Ultrasound Sonications Near Metallic Hardware
We previously developed a method for imaging temperature changes in tissue near metal hardware; here we evaluate its use to monitor MR-guided focused ultrasound treatments.
Accelerated 3D Multispectral MRI with Robust Principal Component Analysis
We have developed a method to acquire diagnostic MR images in 2-3 minutes to help millions of people who have complications related to metal devices, commonly hip replacements, knee replacements or spinal fixations.
2D Multi-Spectral Imaging For Fast MRI Near Metal
This approach offers a fast (tens of seconds per slice) approach to MRI near metal while correcting much of the signal loss, distortion and abnormally bright signal that can occur near implanted metal.
Improved Field Mapping Near Metal
Reducing the noise and distortion in magnetic field maps near metal implants allows for better visualization of the anatomy near the implant.
Imaging and T2 Relaxometry of Short-T2 Connective Tissues in the Knee using UTEDESS
Osteoarthritis is a whole-joint disease, but it is currently challenging to image some of the tissues in the knee.
A Simple Analytic Method for Estimating T2 in the Knee from DESS
MRI measurements of the relaxation time T2 can help estimate the progression of diseases such as osteoarthritis and its associated tissue deterioration.