Abstract #2818

Combination of Narrow-band KWIC and GROWL for Multiple T1-weighted Images Reconstruction Based on 3D Golden Angle Radial MR Sequence

Yajie Wang¹, Haikun Qi¹, Yishi Wang¹, Feng Huang², and Huijun Chen¹

¹Center for Biomedical Imaging Research, School of Medicine, Tsinghua University, Beijing, China, ²Neusoft Medical System, Shanghai, China

Radial sampling has been an increased application due to its insensitivity to motion. A reconstruction method combined the 3D GRAPPA operator for wider radial bands (GROWL) and narrow-band k-space weighted image contrast (KWIC) was proposed and used in GOAL-SNAP sequence. The proposed reconstruction method showed lower image RMSE, accurate T1 map estimation in simulation and higher image quality in in-vivo experiments with shorter computation time.

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