Description Usage Arguments Value References
SPM: computes the number of resels in a volume - a compiled routine
1 | R = spm_resels_vol(V,W)
|
V |
a memory mapped image volume. Finite and non-zero values are considered to be part of the search volume. |
W |
smoothness of the component fields FWHM in voxels. |
Resel counts, where: R(1) - Euler Characteristic of the volume (number of connected components - number of holes). R(2) - Resel Diameter (average over all rotations of the distance between two parallel planes tangent to the volume in resel space). R(3) - Resel Surface Area (half the surface area of the volume in resel space). R(4) - Resel Volume (the volume in resel space).
Worsley KJ et al 1996, Hum Brain Mapp. 4:58-73
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