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Abstract #2204

Background Field Removal for Large Susceptibility Anatomical Structures in Human Brain with Orientation Variations

Jinsheng Fang1, Lijun Bao1, and Zhong Chen1

1Department of Electronic Science, Xiamen University, Xiamen, China

We propose a novel background field removal method for large susceptibility anatomical structures, e.g., tissues around paranasal sinuses and interfaces of the tissue and skull, under various scanning orientations. The proposed method employs the gradient and magnitude of the phase map, combined with a normalized wrap count. Experimental results were both validated on four-orientation numerical simulation and in vivo human brain, which demonstrated the proposed method suppressed the residual phase error better than the other methods.

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