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Abstract #4305

B1- and B1+ based bias field correction for ultra-high field MRI

Yi-Cheng Hsu1, Patrick Liebig2, and Ying-Hua Chu1
1Siemens Healthineers Ltd., Shanghai, China, 2Siemens Healthcare GmbH, Erlangen, Germany


We proposed a method to approximate the magnitude of B1- and correct the bias field induced signal inhomogeneity at 7T. For 2D and 3D T2 weighted images, the signal intensity was more homogeneous and the signal void was recovered using the proposed method. This method can be implemented to correct bias field effect for other imaging methods using the estimated |B1-| and |B1+|.

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