PETRA sequence, with ultra-short TE and ultra-low acoustic noise, has wide applications such as dental imaging, lung imaging, bone imaging, pediatric imaging as well as the routine anatomical imaging. However, the long scanning time and the vulnerability to motion hampered its usage. In this study, the combining non-Cartesian parallel imaging and Compressed sensing technique is adapted for the hybrid trajectory PETRA sequence. The image quality is clinically adequate for 2-5 folds acceleration.
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