Dear Experts.
I am using fslmaths to create ROIs using the following command:
fslmaths /Users/fg00/fsl/data/standard/MNI152_T1_1mm -mul 0 -add 1 -roi 81 1 141 1 127 1 0 1 -kernel sphere 10 -fmean rSFG10mm -odt float
However the output has an unusual artifact with streaks radiating away from the ROI and a a few other mirror ROIs are also created elsewhere.
I have previously used the same script (as far as I can tell) and managed to create the ROI with no problem. Can you help me with figuring out where I am going wrong please?
I am happy to upload the images if you would like to see it.
Best wishes
Fatemeh
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