Abstract #3221

Improved aliasing suppression in steady-state, parallel imaging using inner volume excitation Introduction

Tianrui Luo¹, Jon-Fredrik Nielsen¹, and Douglas C. Noll¹

¹University of Michigan, Ann Arbor, MI, United States

A method of suppressing incomplete aliasing artifacts in accelerated MRI by combining inner-volume steady-state imaging with parallel imaging (GRAPPA) is proposed. Its effectiveness is evaluated across different net acceleration factors (R=1.75-3.64). The normalized root mean squared error inside the region of interest is generally suppressed by approximately a factor of 2 when inner volume excitation is adopted.

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