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Accelerating Hyperpolarized 13C Spiral Chemical Shift Imaging with Joint Spectral-Spatial Low Rank Plus Sparse Reconstruction
Minjie Zhu1, Stephen DeVience2, and Dirk Mayer1
1University of Maryland Baltimore, Baltimore, MD, United States, 2Scalar Magnetics, LLC, Cuyahoga Falls, OH, United States
The proposed Joint Spectral-Spatial Low Rank Plus Sparse Reconstruction method increases the flexibility of the application and significantly reduces reconstruction time compared with previously published method.
Fig. 4: Reconstructed metabolic maps for the in vivo 2D rat brain imaging data at selected time points with (a) fully sampled data (b) Two-fold randomly undersampled data using direct NUFFT (c) Two-fold randomly undersampled data using L+S reconstruction with one L+S process.
Fig. 2: Reconstructed metabolic maps for the digitally simulated 2D rat imaging data at selected time points with (a) fully sampled data (b) Two-fold randomly undersampled data using direct NUFFT (c) Two-fold randomly undersampled data using L+S reconstruction with one L+S process.