fScan Reference Manual, Chapter 2 (CmdLineOptions): lowfreq
usage: -lowfreq nnodes flag
For DETRENDING, a smooth curve is generated for each pixel timecourse as a cubic spline interpolation through NNODES points. The nodes are uniformly spaced along the timecourse; their values are calculated piecewise based on the FLAG argument.
See Also:
fScan Home,
fScan Manual,
CmdLineOptions,
Manual Help