Expand description
Laplacian Boundary Value (LBV) background field removal
LBV removes background fields by solving the Laplace equation inside the mask with Dirichlet boundary conditions from the total field at the mask boundary.
The method exploits that background fields satisfy nabla^2 b = 0 inside the ROI.
Reference: Zhou, D., Liu, T., Spincemaille, P., Wang, Y. (2014). “Background field removal by solving the Laplacian boundary value problem.” NMR in Biomedicine, 27(3):312-319. https://doi.org/10.1002/nbm.3064
Reference implementation: https://github.com/kamesy/QSM.jl
Structs§
- LbvParams
- LBV algorithm parameters