Abstract #3524

Uniform Combined Reconstruction (UNICORN) of Multi-channel Surface-coil Data at 7T without use of a Reference Scan

Venkata Veerendranadh Chebrolu¹, Peter Kollasch¹, Vibhas Deshpande², John Grinstead³, Thomas Benner⁴, Robin Heidemann⁴, Daniel Spence⁵, Joel Felmlee⁵, Matthew Frick⁵, and Kimberly K Amrami⁵

¹Siemens Healthineers, Rochester, MN, United States, ²Siemens Healthineers, Austin, TX, United States, ³Siemens Healthineers, Portland, OR, United States, ⁴Siemens Healthineers, Erlangen, Germany, ⁵Mayo Clinic, Rochester, MN, United States

An algorithm for correcting the intensity non-uniformity in MR images without the use of a calibration/reference scan was proposed and its efficacy was demonstrated at ultra-high-field in musculoskeletal MRI. The algorithm was shown to provide better sensitivity in the inferior/superior regions of the knee compared to state-of-the-art inhomogeneity correction filters. Without the use of a reference scan, the algorithm was also shown to provide image uniformity equivalent to calibration based methods.

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