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Abstract #5515

High resolution MRSI using compartmental low rank algorithm: demonstration using undersampled EPSI

Ipshita Bhattacharya1, Ralph Noeske2, Baolin Yang3, Rolf F Schulte4, and Mathews Jacob1

1Department of Electrical and Computer Engineering, The University of Iowa, Iowa City, IA, United States, 2GE Healthcare, Postdam, Germany, 3GE Healthcare, Waukesha, WI, United States, 4GE Global Research, Munich, Germany

Improved spatial resolution is the need of the hour for MRSI. In this work we propose an algorithm which provides a comprehensive and automatic approach to recover high resolution metabolite maps from highly undersampled acquisitions; the improved spatial resolution translates to improved spectral quality and reduced leakage artifacts. The proposed algorithm is also quite flexible and can be readily used in a variety of sequences, including EPSI, CSI, and spirals acquisition schemes.

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