Hi,
I'm trying to test a range of smoothing kernels with susan: 1mm, 3mm, 5mm FWHM. It works as expected for the 3mm and 5mm values, but something strange is happening with the 1mm smoothing value. The image looks like it has been extremely smoothed with a massive kernel. This happens when I use susan in the command line, the susan gui, and do spatial smoothing through the feat gui. Is this an error on my end or with susan? Or is there a reason that smoothing with a kernel this small can't actually be done?
Cheers,
Luke.
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