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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