Weighted echo sharing technique (WEST) for highly undersampled multi-echo T2(*) weigthed data in Cartesian domain

This study demonstrates that the accurate T2* weighted images can be obtained from highly undersampled Cartesian MGRE data by using WEST. While conventional method such as model-based fitting or CS are work with the reduction factor up to 5, the WEST can increase the reduction factor up to 16 in Cartesian trajectory. This method will be well applied for other various multi-contrast imaging such as DTI, SWI, etc.

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