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Abstract #1432

Robust and fast phase unwrapping strategy to improve SWI quality

Yongquan Ye1, Jinguang Zong2, and Weiguo Zhang2

1United Imaging of Healthcare America, Houston, TX, United States, 2Shanghai United Imaging of Healthcare, Shanghai, People's Republic of China

A robust and fast phase unwrapping strategy was developed for multi-echo SWI, to improve image quality where classic SWI fails, such as cavity vicinity regions, as well as to provide pristine field map for subsequent QSM applications. A smoothing and a seed prioritizing method were proposed, which was demonstrated to provide very robust unwrapping on phase difference map between neighboring echoes. And with a high quality unwrapped phase difference map, the phase of all echoes can be robustly unwrapped in seconds.

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