fScan Reference Manual, Chapter 2 (CmdLineOptions:Expr): Volmin
usage: -e volmin [flag]
Replace each non-zero value in the data set with the minimum value in its 3x3x3 neighborhood.
If FLAG is nonzero, find minimum values around 0 voxels as well.
See Also:
fScan Home,
fScan Manual,
CmdLineOptions,
Expression Command,
Manual Help