Novel encoding method based on multi-spoke parallel transmission is presented for distortion-minimized high resolution single and multi- shot GRE-EPI. By jointly designing flip angle patterns and excitation phase dictated by a 32-channel receive array using an 8-channel transmit array, the acceleration ratio of parallel imaging is drastically increased, with x6 for ssEPI and x8 for msEPI, potentially enabling sub-mm resolution and motion insensitive fMRI and diffusion MRI at UHF.
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