Abstract #0050

Robust Nyquist Ghost Correction by Incorporating Phase Errors Correction in SENSE

Victor B. Xie^1,2, Mengye Lyu^1,2, Yilong Liu^1,2, Yangqiu Feng^1,2, and Ed X. Wu^1,2

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

In this abstract, we proposed a novel method that can fully and robustly correct EPI Nyquist ghost by incorporating high-order phase error correction into SENSE reconstruction. More importantly, this method does not induce SNR loss, greatly benefiting the final reconstructed images. Phantom and in vivo imaging results clearly demonstrated the efficacy of this method in ghost correct as well as its superior SNR performance, particularly in accelerated data set that can suffer from amplified noise problems. This novel method has great potentials to be applied in all kinds of EPI-based MRI studies, such as fMRI and DTI.

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