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FIX: Resample aseg with nearest-neighbor interpolation #268

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Oct 7, 2021
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FIX: Resample aseg with nearest-neighbor interpolation #268

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4 changes: 3 additions & 1 deletion smriprep/workflows/surfaces.py
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Original file line number Diff line number Diff line change
Expand Up @@ -522,7 +522,9 @@ def init_segs_to_native_wf(*, name='segs_to_native', segmentation='aseg'):
fssource = pe.Node(nio.FreeSurferSource(), name='fs_datasource')
# Resample from T1.mgz to T1w.nii.gz, applying any offset in fsnative2t1w_xfm,
# and convert to NIfTI while we're at it
resample = pe.Node(fs.ApplyVolTransform(transformed_file='seg.nii.gz'), name='resample')
resample = pe.Node(
fs.ApplyVolTransform(transformed_file='seg.nii.gz', interp='nearest'),
name='resample')

if segmentation.startswith('aparc'):
if segmentation == 'aparc_aseg':
Expand Down