Meeting Banner
Abstract #4315

Decomposition of off-resonance fields in brain MRI

Pei-Yan Li1, Pu-Yeh Wu1, Yi-Tien Li1,2, Ying-Hua Chu1, and Fa-Hsuan Lin1

1Institute of Biomedical Engineering, National Taiwan University, Taipei, Taiwan, 2Department of medical imaging, Taipei Medical University-Shuang Ho Hospital, New Taipei, Taiwan

We measured the off-resonance distributions from 31 subjects and decomposed these maps into orthogonal modes by Singular Value Decomposition. We found that the six SVD modes can account for the off-resonance up to 80%. Decomposed modes of off-resonance can be used for tailored shim coil design.

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

Join Here