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Abstract #3661

Retrospective MRI non-uniformity correction: quantitative assessment of two methods

Artem Mikheev1, Louisa Bokacheva1, Heesoo Yang1, Jeremy Sobel1, Carlos Fernandez-Granda2, Hersh Chandarana1, and Henry Rusinek1
1Radiology, NYU School of Medicine, New York City, NY, United States, 2Courant Institute of Mathematical Science, New York University, New York City, NY, United States

We have implemented a method (BiCal) for correction of image nonuniformity. Using objective criteria we have compared BiCal to widely used N4 algorithm in several challenging clinical MRI applications. There was a significant advantage of BiCal over N4 for 7T brain MRI and for accelerated radial GRASP of the abdomen. The performance of BiCal and N4 were comparable in breast imaging.

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