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Abstract #0866

Compressive Parametric Manifold Recovery (PARMA) from Multi-channel Acquisition for Fast Parameter Mapping

Chaoyi Zhang1, Yihang Zhou1, Jingyuan Lyu1, Ukash Nakarmi1, and Leslie Ying1,2

1Electrical Engineering, State University at buffalo,SUNY, Buffalo, NY, United States, 2Biomedical Engineering, State University at Buffalo,SUNY, Buffalo, NY, United States

MR parameter mapping has shown great potential but is still limited in clinical application due to the lengthy acquisition time. To address this issue, we proposed a novel image reconstruction method(PARMA) to accelerate parameter mapping with reduced multi-channel acquisition using alternating projections on the single-exponential parametric manifold, the subspace data consistancy, and the convex of the regularized coil sensitivities. The experimental results show the potential of highly accelerated quantitative imaging by the proposed method.

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