A Dual-Polarity GRAPPA Kernel for the Robust Reconstruction of EPI Data

Hoge, W Scott ;   Polimeni, Jonathan

Tags Image reconstruction - analytical & iterative methodsMagnetic resonance imaging (MRI)Brain

The quality of high-resolution EPI images of the human brain has improved greatly in recent years, enabled by novel multi-channel receiver coil...

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Accelerate Single-Shot Data Acquisitions using Compressed Sensing and FRONSAC Imaging

Wang, Haifeng ;   Constable, R Todd ;   Galiana, Gigi

Tags Magnetic resonance imaging (MRI)Image reconstruction - analytical & iterative methodsCompressive sensing & sampling

Nonlinear spatial encoding magnetic (SEM) fields have been studied to complement multichannel RF encoding and accelerate MRI scans. Published...

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Reconstruction of Highly Under-Sampled Dynamic MRI using Sparse Representation of 1D Temporal Snippets

Plenge, Esben ;   Cooper, Mitchell A. ;   Prince, Martin ;   Wang, Yi ;   Spincemaille, Pascal ;   Elad, Michael

Tags Image reconstruction - analytical & iterative methodsMagnetic resonance imaging (MRI)Abdomen

This paper introduces a new empirical model for dynamic MRI and shows its application to reconstruction of highly under-sampled dynamic MRI....

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Super-Resolution MRI using Finite Rate of Innovation Curves

Ongie, Greg ;   Jacob, Mathews

Tags Image reconstruction - analytical & iterative methodsMagnetic resonance imaging (MRI)Compressive sensing & sampling

We propose a two-stage algorithm for the super-resolution of MR images from their low-frequency k-space samples. In the first stage we...

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Vectorial Non-Local Total Variation Regularization for Calibration-Free Parallel MRI Reconstruction

Lefkimmiatis, Stamatios ;   Saucedo, Andres ;   Osher, Stanley ;   Sung, Kyunghyun

Tags Magnetic resonance imaging (MRI)Image reconstruction - analytical & iterative methodsInverse methods

In this work we present a calibration-free parallel magnetic resonance imaging (pMRI) reconstruction approach by exploiting the fact that...

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