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Abstract #0881

Fast $$$T_{2}^{*}$$$ Mapping Using Complementary Poisson Disk Sampling and ADMM Reconstruction

Charles Iglehart1, Ali Bilgin1, Evan Levine2, and Manojkumar Saranathan3
1Electrical and Computer Engineering, University of Arizona, Tucson, AZ, United States, 2Microsoft Research, Redmond, WA, United States, 3Department of Medical Imaging, University of Arizona, Tucson, AZ, United States

Using Complementary Poisson Disk (CPD) sampling, we accelerate multi-echo gradient recalled echo acquisitions (ME GRE) by efficiently undersampling k-space in such a way that lends itself to practically realizable sampling trajectories. We reconstruct $$$T_{2}^{*}$$$ maps from these undersampled acquisitions and validate against fully sampled data.

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