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Abstract #4426

Development of a field camera system for a customized 1.5 T compact MRI system

Yuta Kobayashi1, Katsumi Kose1, and Yasuhiko Terada1

1University of Tsukuba, Tsukuba, Japan

We developed a field camera system for a 1.5T/280mm superconducting magnet system with unshielded gradient coils. K-space trajectories of a two-dimensional spiral scan were monitored using the field camera system and predicted based on a gradient impulse response function (GIRF). Image reconstruction with these trajectories was effective to recover artifact-free images, even in the presence of hardware imperfections. This result showed the validity of the system.

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