Meeting Banner
Abstract #2415

Fast G-factor Estimation in Multi-band Acquisition Based on Sum of Inverse Distance Model

Mengye Lyu 1,2 , Victor B. Xie 1,2 , Patrick P. Gao 1,2 , Yilong Liu 1,2 , and Ed X. Wu 1,2

1 Laboratory of Biomedical Imaging and Signal Processing, The University of Hong Kong, Hong Kong, Hong Kong, China, 2 Department of Electrical and Electronic Engineering, The University of Hong Kong, Hong Kong, Hong Kong, China

Inter-slice shift is one of the most important factors for reducing g-factor in multi-band (MB) simultaneous multi-slice acquisition. Previous study1 has shown that the optimal distance of slice shift can deviate away from intuitive choices such as FOV/Nslice However, optimizing shift pattern is time-consuming because iterative algorithms have to be used. In this study, we propose a fast g-factor estimation model that can approximately estimate g-factor versus slice shift distance with closed form formula, with input of slice number and one parameter quantifying the coil sensitivity in slice direction.

This abstract and the presentation materials are available to members only; a login is required.

Join Here