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January 10, 2017 04:03AM
Hi
I am using 3dmaskdump -o out.txt -quiet all_runs.a+orig.HEAD to extract the time series for each voxel. The procedure works fine and it generates a very large file. But I'm almost sure that non-brain parts are also included in this file, Because each picture has the dimension 64*64 and I have 48 slices. 3dmaskdump also extract time series for 196608 voxels.
Is there a way to exclude the non-brain parts?
I have several subjects and I want the exact number of voxels for each subjects, so if you are suggesting that I should use a mask, will this mask generate the same number of voxels for each subject?



Edited 1 time(s). Last edit at 01/10/2017 04:53AM by heretic133.
Subject Author Posted

3dmaskdump, ++ 196608 voxels in the entire dataset (no mask)

heretic133 January 10, 2017 04:03AM

Re: 3dmaskdump, ++ 196608 voxels in the entire dataset (no mask)

rick reynolds January 10, 2017 07:59AM