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non-Cartesian Parallel imaging and compressed sensing adapted for accelerating hybrid trajectory PETRA

Fang Dong¹, Dehe Weng¹, and Nan Xiao¹
¹Siemens Shenzhen Magnetic Resonance Ltd., Shen Zhen, China

The technique combining non-Cartesian parallel imaging and Compressed sensing can be adapted and applied to accelerate the PETRA with hybrid trajectory for 2-5 folds.

Fig.3: Images reconstructed from different under-sampled datasets with Standard nuFFT reconstruction methods (A) (B) and the modified PICS reconstruction methods(C)(D), (G) is the fully sampled image with Standard nuFFT reconstruction.

Fig.2: Flowchart of PETRA data reconstruction with PICS algorithm