Shim optimization with region of interest-specific Tikhonov regularization: Application to second-order slice-wise shimming of the brain.
Yuhang ShiStuart ClareSigne Johanna VannesjoPublished in: Magnetic resonance in medicine (2021)
Slice-wise variable Tikhonov regularization yielded reduced current norm and current steps to a negligible cost in field inhomogeneity. The method holds promise to increase the robustness, and thereby the utility, of higher-order shim updating.