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Abstract #3032

Improved Compressed Sensing Reconstruction & Optimised Sampling Patterns for Very Fast Acquisition of Hyperpolarised 3He Images

Salma Ajraoui1, Steven Parnell1, Juan Parra-Robles1, Robert Ireland1, Jim Wild1

1University of Sheffield, Sheffield, United Kingdom

Compressed Sening reconstruction of lung 3He images is improved through the introduction of prior knowldge. Here coregistered 1H MRI image and the knowledge of the hyperpolarised gas depolarisation through the k-space filter are used for a more accurate reconstruction at higher reduction factor.