Abstract #3241

Multi-Step Joint-Blade SENSE Reconstruction for Simultaneous Multislice PROPELLER

Mengye Lyu^1,2, Yilong Liu^1,2, Victor B. Xie^1,2, Yanqiu Feng^1,2, Zhe Zhang³, Hua Guo³, and Ed X. Wu¹

¹Laboratory of Biomedical Imaging and Signal Processing, The University of Hong Kong, Hong Kong SAR, China, People's Republic of, ²Department of Electrical and Electronic Engineering, The University of Hong Kong, Hong Kong SAR, China, People's Republic of, ³Department of Biomedical Engineering, Tsinghua University, Beijing, China, People's Republic of

For simultaneous multislice (SMS) PROPELLER, we propose multi-step joint-blade (MJB) SENSE reconstruction. In MJB SENSE, all blades are jointly reconstructed in three steps without relying on iterations. Compared to separately reconstructing individual blades, MJB SENSE substantially reduces noise amplification and narrow-blade artifact. MJB SENSE is also compatible with motion correction. With these advantages, MJB SENSE can be used to achieve very high MB factors in SMS PROPELLER.

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