Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Sources of magnetic field inhomogeneity include linear and higher order terms of the background magnetic field and subject-specific induced variations.
| Field Map Variations | Computed In Vivo | Measured In Vivo | Reference Ball Phantom | Difference |
|---|---|---|---|---|
| Linear Background Magnet Field | X | X | ||
| Higher Order Background Magnet Field | X | X | X | |
| Linear + Higher Order Subject Specific | X | X | ||
| Residual Subject Specific | X | X |
